阅读说明：本技术 一种模块化装配式低噪音无石棉硅酸钙板防火风管 (Modular assembly type low-noise asbestos-free calcium silicate board fireproof air duct ) 是由 安焕涛 魏国强 蔡世凯 刘肖 孙娟 段玉民 李军卫 党军 于 2020-12-31 设计创作，主要内容包括：本发明公开了一种模块化装配式低噪音无石棉硅酸钙板防火风管,包括风管四通管、风管三通管、风管转向管和风管变道管,防火风管管路包括多节连接的直风管节段,直风管节段上预留有出风管,直风管节段为矩形管式直风管节段,矩形管式直风管节段沿长度方向的两端均设置有直管法兰,防火板均为无石棉硅酸钙平板。本发明利用无石棉硅酸钙平板与法兰和防火板连接件的装配形成任意拓扑结构的防火风管,且组装简单、快捷、稳定、自重轻,无石棉硅酸钙平板具有一定的厚度在风力作用下,不会发生抖动,噪音小,内部支撑件、法兰和防火板连接件可以重复利用,在保证强度的情况下,利用无石棉硅酸钙板代替石棉板,避免石棉板老化会释放出石棉纤维,健康环保。(The invention discloses a modular assembled low-noise asbestos-free calcium silicate board fireproof air duct which comprises an air duct four-way duct, an air duct three-way duct, an air duct steering duct and an air duct variable duct, wherein the fireproof air duct pipeline comprises a plurality of sections of connected straight air duct sections, an air outlet duct is reserved on each straight air duct section, each straight air duct section is a rectangular tubular straight air duct section, straight pipe flanges are arranged at two ends of each rectangular tubular straight air duct section along the length direction, and fireproof plates are asbestos-free calcium silicate flat plates. The invention utilizes the assembly of the asbestos-free calcium silicate flat plate, the flange and the fireproof plate connecting piece to form the fireproof air pipe with any topological structure, and has the advantages of simple, quick and stable assembly and light dead weight.)

1. The utility model provides a modularization assembled low noise does not have asbestos calcium silicate board fire prevention tuber pipe, includes tuber pipe four-way pipe (8) of intercommunication four ways fire prevention tuber pipe way, the tuber pipe three-way pipe (3) of intercommunication three ways fire prevention tuber pipe way, turns to tuber pipe steering tube (4) that the fire prevention tuber pipe way turned to and carry out tuber pipe lane change pipe (5) that turns to the fire prevention tuber pipe way, fire prevention tuber pipe way includes straight tuber pipe segment (1) that the multisection connects gradually, and it has air-out pipe (9), its characterized in that to reserve on straight tuber pipe segment (1): the straight air duct section (1) is a rectangular duct type straight air duct section, the rectangular duct type straight air duct section comprises a first straight air duct section fire prevention plate (11-1) and a second straight air duct section fire prevention plate (11-2) which are arranged in parallel, a third straight air duct section fire prevention plate (11-3) and a fourth straight air duct section fire prevention plate (11-4) which are arranged in parallel, the first straight air duct section fire prevention plate (11-1) and the third straight air duct section fire prevention plate (11-3) are connected through a first straight air duct fire prevention plate connecting piece (12-1), the first straight air duct section fire prevention plate (11-1) and the fourth straight air duct section fire prevention plate (11-4) are connected through a second straight air duct fire prevention plate connecting piece (12-2), and the second straight air duct section fire prevention plate (11-2) and the third straight air duct section fire prevention plate (11-3) are connected through a third straight air duct section fire prevention plate connecting piece (12-2) 3) The straight pipe section second fire-proof plate (11-2) and the straight pipe section fourth fire-proof plate (11-4) are connected through a straight pipe section fourth connecting piece (12-4), straight pipe flanges are arranged at two ends of the rectangular pipe type straight pipe section along the length direction, and each straight pipe flange comprises a straight pipe first flange piece (13-1) matched with the straight pipe section first fire-proof plate (11-1), a straight pipe second flange piece (13-2) matched with the straight pipe section second fire-proof plate (11-2), a straight pipe third flange piece (13-3) matched with the straight pipe section third fire-proof plate (11-3), and a straight pipe fourth flange piece (13-4) matched with the straight pipe section fourth fire-proof plate (11-4);

the air pipe three-way pipe (3) comprises a first fire-proof plate (11-5) of the air pipe three-way pipe and a second fire-proof plate (11-6) of the air pipe three-way pipe which are arranged in parallel and oppositely, one side of the first fire-proof plate (11-5) of the air pipe three-way pipe and the second fire-proof plate (11-6) of the air pipe three-way pipe is provided with an air pipe three-way pipe third fire-proof plate (11-7) and a fourth fire-proof plate (11-8) which incline towards the inside of the pipeline, the other side of the first fire-proof plate (11-5) of the air pipe three-way pipe and the second fire-proof plate (11-6) of the air pipe three-way pipe is provided with an air pipe three-way pipe fifth fire-proof plate (11-9) and a sixth fire-proof plate (11-10) of the air pipe three-way pipe, the third fire-proof plate (11-7) and the first fire-proof plate (11-, the third fireproof plate (11-7) of the air pipe three-way pipe and the second fireproof plate (11-6) of the air pipe three-way pipe are connected through a second connecting piece (12-6) of the three-way pipe fireproof plate, the fifth fireproof plate (11-9) of the air pipe three-way pipe and the first fireproof plate (11-5) of the air pipe three-way pipe are connected through a third connecting piece (12-7) of the three-way pipe fireproof plate, the fifth fireproof plate (11-9) of the air pipe three-way pipe and the second fireproof plate (11-6) of the air pipe three-way pipe are connected through a fourth connecting piece (12-8) of the three-way pipe fireproof plate, the fourth fireproof plate (11-8) of the air pipe three-way pipe and the first fireproof plate (11-5) of the air pipe three-way pipe are connected through a fifth connecting piece (12-9) of the three-way pipe fireproof plate, the fourth fireproof plate (11-8) of the air pipe three-way pipe and the second fireproof plate (11-6) of the air A sixth fireproof plate (11-10) of the three-way pipe of the air pipe and a first fireproof plate (11-5) of the three-way pipe of the air pipe are connected through a seventh connecting piece (12-11) of the fireproof plate of the three-way pipe of the air pipe, the sixth fireproof plate (11-10) of the three-way pipe of the air pipe and a second fireproof plate (11-6) of the three-way pipe of the air pipe are connected through an eighth connecting piece of the fireproof plate of the three-way pipe, the third fireproof plate (11-7) of the three-way pipe of the air pipe and the fourth fireproof plate (11-8) of the three-way pipe of the air pipe are connected through an I-shaped guide clamping plate piece (19) bent towards the inside of the pipeline, a first ventilation end of the three-way pipe (3) is formed between one end, far away from the fourth fireproof plate (11-8) of the three-way pipe of the air pipe, of the third fireproof plate (11-9) of the three-way, a second port end of the air pipe three-way pipe (3) is formed between one end of the fourth fireproof plate (11-8) of the air pipe three-way pipe, which is far away from the third fireproof plate (11-7) of the air pipe three-way pipe, and one end of the sixth fireproof plate (11-10) of the air pipe three-way pipe, which is close to the fourth fireproof plate (11-8) of the air pipe three-way pipe, a third port end of the air pipe three-way pipe (3) is formed between the fifth fireproof plate (11-9) of the air pipe three-way pipe and the sixth fireproof plate (11-10) of the air pipe three-way pipe, a first port end of the air pipe three-way pipe (3) is provided with a first port interface flange of which the outer end surface is flush with the end surface of the first port end, a second port interface flange of which the outer end surface is flush with the end surface of the second port is arranged at the second port end surface, a third port flange of which the outer end surface is flush, the first tee joint flange comprises a tee pipe first flange piece (13-5) matched with a third fireproof plate (11-7) of the air pipe tee pipe, a tee pipe second flange piece (13-6) matched with a fifth fireproof plate (11-9) of the air pipe tee pipe, a tee pipe fifth flange piece matched with the first fireproof plate (11-5) of the air pipe tee pipe and a tee pipe sixth flange piece matched with the second fireproof plate (11-6) of the air pipe tee pipe; the second tee joint flange comprises a tee pipe first flange piece (13-5) matched with a fourth fireproof plate (11-8) of the air pipe tee pipe, a tee pipe third flange piece (13-7) matched with a sixth fireproof plate (11-10) of the air pipe tee pipe, a tee pipe seventh flange piece matched with the first fireproof plate (11-5) of the air pipe tee pipe, and a tee pipe eighth flange piece matched with a second fireproof plate (11-6) of the air pipe tee pipe; the third tee joint flange comprises a tee pipe second flange piece (13-6) matched with a fifth fireproof plate (11-9) of the air pipe tee pipe, a tee pipe third flange piece (13-7) matched with a sixth fireproof plate (11-10) of the air pipe tee pipe, a tee pipe ninth flange piece matched with a first fireproof plate (11-5) of the air pipe tee pipe, and a tee pipe tenth flange piece matched with the second fireproof plate (11-6) of the air pipe tee pipe;

a first connecting piece (12-1) of a straight air pipe fire-proof plate, a second connecting piece (12-2) of the straight air pipe fire-proof plate, a third connecting piece (12-3) of the straight air pipe fire-proof plate, a fourth connecting piece (12-4) of the straight air pipe fire-proof plate, a first connecting piece (12-5) of a tee pipe fire-proof plate, a second connecting piece (12-6) of the tee pipe fire-proof plate, a third connecting piece (12-7) of the tee pipe fire-proof plate, a fourth connecting piece (12-8) of the tee pipe fire-proof plate, a fifth connecting piece (12-9) of the tee pipe fire-proof plate, a sixth connecting piece (12-10) of the tee pipe fire-proof plate, a seventh connecting piece (12-11) of the tee pipe fire-proof plate and an eighth connecting piece of the tee pipe fire-proof plate respectively comprise a U-shaped clamping plate (12) and two right-angle steering, the two right-angle steering clamping plates (18) are arranged in parallel, and oblique first assembling surfaces are arranged at two ends of a straight wind pipe fire-proof plate first connecting piece (12-1), a straight wind pipe fire-proof plate second connecting piece (12-2), a straight wind pipe fire-proof plate third connecting piece (12-3), a straight wind pipe fire-proof plate fourth connecting piece (12-4), a three-way pipe fire-proof plate third connecting piece (12-7), a three-way pipe fire-proof plate fourth connecting piece (12-8), a three-way pipe fire-proof plate seventh connecting piece (12-11), a U-shaped clamping plate (12) of a three-way pipe fire-proof plate eighth connecting piece and the right-angle steering clamping plates (18) along the length direction; an inclined first assembling surface is arranged at one end, away from a guide clamping plate piece (19), of a first connecting piece (12-5) of a three-way pipe fire-proof plate, a fifth connecting piece (12-9) of the three-way pipe fire-proof plate, a second connecting piece (12-6) of the three-way pipe fire-proof plate, a U-shaped clamping plate (12) of a sixth connecting piece (12-10) of the three-way pipe fire-proof plate and a right-angle steering clamping plate (18);

the first fireproof plate (11-1) of the straight air pipe section, the second fireproof plate (11-2) of the straight air pipe section, the third fireproof plate (11-3) of the straight air pipe section, the fourth fireproof plate (11-4) of the straight air pipe section, the first fireproof plate (11-5) of the air pipe three-way pipe, the second fireproof plate (11-6) of the air pipe three-way pipe, the third fireproof plate (11-7) of the air pipe three-way pipe, the fourth fireproof plate (11-8) of the air pipe three-way pipe, the fifth fireproof plate (11-9) of the air pipe three-way pipe and the sixth fireproof plate (11-10) of the air pipe three-way pipe are all asbestos-free calcium silicate flat plates (11).

2. The modular fabricated low-noise asbestos-free calcium silicate board fireproof air duct of claim 1, wherein: the air pipe three-way pipe (3) is communicated with a fireproof air pipe pipeline through a straight air pipe butt joint section (2), the air pipe four-way pipe (8) is communicated with the fireproof air pipe pipeline through the straight air pipe butt joint section (2), the air pipe steering pipe (4) is communicated with the fireproof air pipe pipeline through the straight air pipe butt joint section (2), the air pipe channel changing pipe (5) is communicated with the fireproof air pipe pipeline through the straight air pipe butt joint section (2), and the structure of the straight air pipe butt joint section (2) is the same as that of the straight air pipe section (1).

3. The modular fabricated low-noise asbestos-free calcium silicate board fireproof air duct of claim 1, wherein: the fireproof air pipe pipeline further comprises a reducing pipe for converting the reducing of the straight air pipe segment (1) into a straight air pipe reducing segment (10) with a rectangular pipe structure, the reducing pipe comprises a reducing pipe first fireproof plate (11-11) and a reducing pipe second fireproof plate (11-12) which are arranged in parallel and just opposite, the reducing pipe first fireproof plate (11-11) is connected with a reducing pipe third fireproof plate (11-13) through a reducing pipe fireproof plate first connecting piece, the reducing pipe first fireproof plate (11-11) is connected with a reducing pipe fourth fireproof plate (11-14) through a reducing pipe fireproof plate second connecting piece, the reducing pipe third fireproof plate (11-13) is connected with a reducing pipe second fireproof plate (11-12) through a reducing pipe fireproof plate third connecting piece, and the reducing pipe second fireproof plate (11-12) is connected with a reducing pipe fourth fireproof plate (11-14) through a reducing pipe fireproof plate fourth connecting piece, the structure of the first connecting piece of the reducing pipe fire-proof plate, the second connecting piece of the reducing pipe fire-proof plate, the third connecting piece of the reducing pipe fire-proof plate and the fourth connecting piece of the reducing pipe fire-proof plate are the same as the structure of the first connecting piece (12-1) of the straight air pipe fire-proof plate, the third fire-proof plate (11-13) of the reducing pipe is not parallel to the fourth fire-proof plate (11-14) of the reducing pipe, and the first fire-proof plate (11-11) of the reducing pipe is parallel to the first fire-proof plate (11-1) of the straight air pipe section (1) connected with the first fire-proof plate of the straight air pipe section;

when the third fire prevention plate (11-13) and the fourth fire prevention plate (11-14) of the reducer pipe are not parallel to the third fire prevention plate (11-3) of the straight air pipe section of the connected straight air pipe section (1), the reducer pipe is a first reducer pipe (6);

when the third fire prevention plate (11-13) or the fourth fire prevention plate (11-14) of the reducer pipe is parallel to the third fire prevention plate (11-3) of the straight air pipe section of the connected straight air pipe section (1), the reducer pipe is a second reducer pipe (7).

4. The modular fabricated low-noise asbestos-free calcium silicate board fireproof air duct of claim 1, wherein: the first fireproof plate (11-1) of the straight air duct section comprises a first fireproof plate jointed plate (11-1-1) and a second fireproof plate jointed plate (11-1-2), the second fireproof plate (11-2) of the straight air duct section comprises a first fireproof plate jointed plate (11-2-1) and a second fireproof plate jointed plate (11-2-2), the first fireproof plate jointed plate (11-1-1) and the second fireproof plate jointed plate (11-1-2) are connected with each other through a straight I-shaped widening clamp plate component (15), a plurality of support rods (16) are arranged on the two widening clamp plate components (15) along the length direction, two end plate components (15) of each support rod (16) respectively penetrate through the two widening clamp plate components (15), one end of the support rod (16) penetrating through the widening splint component (15) is provided with a locking nut (17).

5. The modular fabricated low-noise asbestos-free calcium silicate board fireproof air duct of claim 1, wherein: the straight air pipe fire-proof plate first connecting piece (12-1) and the straight air pipe fire-proof plate second connecting piece (12-2) are symmetrically arranged, the straight air pipe fire-proof plate third connecting piece (12-3) and the straight air pipe fire-proof plate fourth connecting piece (12-4) are symmetrically arranged, the straight air pipe fire-proof plate first connecting piece (12-1) and the straight air pipe fire-proof plate third connecting piece (12-3) are symmetrically arranged, and the straight air pipe fire-proof plate second connecting piece (12-2) and the straight air pipe fire-proof plate fourth connecting piece (12-4) are symmetrically arranged.

6. The modular fabricated low-noise asbestos-free calcium silicate board fireproof air duct of claim 1, wherein: the first straight air duct flange piece (13-1) and the second straight air duct flange piece (13-2) are identical in structural size, the third straight air duct flange piece (13-3) and the fourth straight air duct flange piece (13-4) are identical in structural size, the first straight air duct flange piece (13-1) comprises a flange outward turning plate positioning plate (13) and a first flange outward turning plate (14-1) which is arranged on the outer side surface of the flange outward turning plate positioning plate (13) and is isometric and vertical to the flange outward turning plate positioning plate (13), and the outer end surface of the first flange outward turning plate (14-1) is flush with the outer end surface of the flange outward turning plate positioning plate (13); the third flange part (13-3) of the straight air duct comprises a flange outward turning plate positioning plate (13) and a second flange outward turning plate (14-2) vertically arranged on the outer side surface of the flange outward turning plate positioning plate (13), and the length of the second flange outward turning plate (14-2) is longer than that of the flange outward turning plate positioning plate (13);

the first flange piece (13-5) of the three-way pipe comprises a flange outward turning plate positioning plate (13) and a third flange outward turning plate (14-3) arranged on the outer side surface of the flange outward turning plate positioning plate (13), and an included angle between the third flange outward turning plate (14-3) and the flange outward turning plate positioning plate (13) is an obtuse angle;

the second flange piece (13-6) of the three-way pipe comprises a flange outward turning plate positioning plate (13) and a fourth flange outward turning plate (14-4) arranged on the outer side surface of the flange outward turning plate positioning plate (13), and an included angle between the fourth flange outward turning plate (14-4) and the flange outward turning plate positioning plate (13) is an acute angle;

the third flange piece (13-7) of the three-way pipe comprises a flange outward turning plate positioning plate (13) and a fifth flange outward turning plate arranged on the outer side surface of the flange outward turning plate positioning plate (13), and an included angle between the fifth flange outward turning plate and the flange outward turning plate positioning plate (13) is an acute angle;

the flange outward turning plate positioning plate (13) is a U-shaped flange outward turning plate positioning plate, and second assembling surfaces matched with the oblique first assembling surfaces are arranged at two ends of the U-shaped flange outward turning plate positioning plate along the length direction.

7. The modular fabricated low-noise asbestos-free calcium silicate board fireproof air duct of claim 6, wherein: the structures of the third flange piece of the three-way pipe, the sixth flange piece of the three-way pipe, the seventh flange piece of the three-way pipe, the eighth flange piece of the three-way pipe, the ninth flange piece of the three-way pipe and the tenth flange piece of the three-way pipe are the same as those of the third flange piece (13-3) of the straight air pipe.

8. The modular fabricated low-noise asbestos-free calcium silicate board fireproof air duct of claim 1, wherein: the air pipe four-way pipe (8) comprises two octagonal air pipe four-way pipe fire-proof plates which are arranged in parallel and just opposite to each other, and the circumferential edges of the two octagonal air pipe four-way pipe fire-proof plates are connected through four-way pipe side plates (8-1) which are arranged at intervals.

9. The modular fabricated low-noise asbestos-free calcium silicate board fireproof air duct of claim 1, wherein: the air outlet pipe (9) comprises an air outlet plate connecting piece (9-1) which is arranged on the side wall of the air outlet of the air pipe and is used for connecting an air outlet plate (9-2), the air outlet of the air pipe is a rectangular air outlet, the number of the air plate connecting pieces (9-1) and the number of the air outlet plates (9-2) on each rectangular air outlet are four, one end of each air outlet plate (9-2) far away from the air outlet plate connecting piece (9-1) is provided with an outward turning type air inlet flange, the outward turning type tuyere flange comprises four air outlet plate flange parts (9-3), the air outlet plates (9-2) are asbestos-free calcium silicate plates, and the air outlet plate connecting parts (9-1) comprise U-shaped clamping plates (12) and two right-angle steering clamping plates (18) which are vertically arranged on the end faces of the U-shaped clamping plates (12) on the same side along the length direction of the U-shaped clamping plates (12).

10. The modular fabricated low-noise asbestos-free calcium silicate board fireproof air duct of claim 1, wherein: fireproof glue is coated at the connecting positions of the asbestos-free calcium silicate flat plate (11) and the straight pipe flange, the first tee joint flange, the second tee joint flange, the third tee joint flange and the fireproof plate connecting piece; the straight pipe flange, the first tee joint flange, the second tee joint flange, the third tee joint flange and the fireproof plate connecting piece are all made of aluminum alloy.

Technical Field

The invention belongs to the technical field of fireproof air pipe assembly, and particularly relates to a modular assembled low-noise asbestos-free calcium silicate board fireproof air pipe.

Background

In the electromechanical engineering of buildings, the fire-proof plate air pipe is mainly used for protecting a basement smoke exhaust system or an air exhaust and smoke exhaust system, an air-conditioning ventilation system and an air pipe penetrating a fire-proof subarea of the engineering. Especially the air duct with the system wind pressure above the medium pressure or with the cleaning requirement. Generally, the air quantity is large, the size of the air pipe is large, and the processing and installation difficulty is also large. The large fireproof air duct is difficult to process, connect and install, the installation quality of bracket manufacture, fireproof plate encapsulation and the like is difficult to control, or the control is unstable, and the galvanized steel plate air duct is required to be wrapped with the fireproof plate. The fireproof plate is a fireproof plate containing asbestos fiber, and the asbestos fiber is released after the asbestos plate is aged, so that the harm to a respiratory system of a human body is large.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a modular assembly type low-noise asbestos-free calcium silicate board fireproof air duct, aiming at the defects in the prior art, the design is novel and reasonable, the fireproof air duct with any topological structure is formed by assembling an asbestos-free calcium silicate flat plate, a flange and a fireproof plate connecting piece, the assembly is simple, quick, stable and light in self weight, the asbestos-free calcium silicate flat plate has a certain thickness, cannot shake under the action of wind power, has low noise, the internal supporting piece, the flange and the fireproof plate connecting piece can be repeatedly utilized, the cost is low, meanwhile, the asbestos-free calcium silicate board is used for replacing an asbestos board under the condition of ensuring the strength, the asbestos fiber is prevented from being released due to aging of the asbestos board, and the modular assembly type low-noise asbestos-free calcium silicate board.

In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a modularization assembled low noise does not have asbestos calcium silicate board fire prevention tuber pipe, includes tuber pipe four-way pipe of intercommunication four ways fire prevention tuber pipe way, the tuber pipe three-way pipe of intercommunication three ways fire prevention tuber pipe way, the tuber pipe steering tube that turns to fire prevention tuber pipe way and the tuber pipe that changes the way to fire prevention tuber pipe way and become the way pipe, fire prevention tuber pipe way includes the straight tuber pipe festival section that the multisection connects gradually, and it has air-out pipe, its characterized in that to reserve on the straight tuber pipe festival section: the straight air duct section is a rectangular duct type straight air duct section, the rectangular duct type straight air duct section comprises a first straight air duct section fire-proof plate and a second straight air duct section fire-proof plate which are arranged in parallel, and a third straight air duct section fire-proof plate and a fourth straight air duct section fire-proof plate which are arranged in parallel, the first straight air duct section fire-proof plate and the third straight air duct section fire-proof plate are connected through a first straight air duct section fire-proof plate connecting piece, the first straight air duct section fire-proof plate and the fourth straight air duct section fire-proof plate are connected through a second straight air duct section fire-proof plate connecting piece, the second straight air duct section fire-proof plate and the third straight air duct section fire-proof plate are connected through a third straight air duct section fire-proof plate connecting piece, the second straight air duct section fire-proof plate and the fourth straight air duct section fire-proof plate are connected through a fourth straight air duct section fire-proof plate connecting piece, straight ducts are arranged at two ends of the rectangular duct type straight air duct section along the length direction, the straight pipe flange comprises a straight air pipe first flange piece matched with the straight air pipe section first fireproof plate, a straight air pipe second flange piece matched with the straight air pipe section second fireproof plate, a straight air pipe third flange piece matched with the straight air pipe section third fireproof plate and a straight air pipe fourth flange piece matched with the straight air pipe section fourth fireproof plate;

the air pipe three-way pipe comprises a first air pipe three-way pipe fireproof plate and a second air pipe three-way pipe fireproof plate which are arranged in parallel and just opposite to each other, one side of the first air pipe three-way pipe fireproof plate and one side of the second air pipe three-way pipe fireproof plate are provided with a third air pipe three-way pipe fireproof plate and a fourth air pipe three-way pipe fireproof plate which incline towards the inside of the pipeline, the other side of the first air pipe three-way pipe fireproof plate and the other side of the second air pipe three-way pipe fireproof plate are provided with a fifth air pipe three-way pipe fireproof plate and a sixth air pipe three-way pipe fireproof plate which incline towards the outside of the pipeline, the third air pipe three-way pipe fireproof plate and the first air pipe three-way pipe fireproof plate are connected through a first three-way pipe fireproof plate connecting piece, the third air pipe three-way pipe fireproof plate and the second air pipe three-way pipe fireproof plate are connected through a second three-way pipe connecting piece, the, the air pipe three-way pipe fifth fireproof plate and the air pipe three-way pipe second fireproof plate are connected through a three-way pipe fireproof plate fourth connecting piece, the air pipe three-way pipe fourth fireproof plate and the air pipe three-way pipe first fireproof plate are connected through a three-way pipe fireproof plate fifth connecting piece, the air pipe three-way pipe fourth fireproof plate and the air pipe three-way pipe second fireproof plate are connected through a three-way pipe fireproof plate sixth connecting piece, the air pipe three-way pipe sixth fireproof plate and the air pipe three-way pipe first fireproof plate are connected through a three-way pipe fireproof plate seventh connecting piece, the air pipe three-way pipe sixth fireproof plate and the air pipe three-way pipe second fireproof plate are connected through a three-way pipe fireproof plate eighth connecting piece, the air pipe three-way pipe third fireproof plate and the air pipe three-way pipe third fireproof plate are connected through an I-shaped guide clamping plate bent towards the inside of the pipeline, one end, far away from the air pipe three-way pipe fourth fireproof plate, of the air pipe three-way pipe third fireproof plate, of the three-way pipe third fireproof plate The first through port end, the second through port end of the air pipe three-way pipe are formed between one end, away from the third fireproof plate of the air pipe three-way pipe, of the fourth fireproof plate of the air pipe three-way pipe and one end, close to the fourth fireproof plate of the air pipe three-way pipe, of the sixth fireproof plate of the air pipe three-way pipe, the third through port end of the air pipe three-way pipe is formed between the fifth fireproof plate of the air pipe three-way pipe and the sixth fireproof plate of the air pipe three-way pipe, the first through port end of the air pipe three-way pipe is provided with a first tee joint flange with the outer end surface parallel to the end surface of the first through port end, the second through port end of the air pipe three-way pipe is provided with a second tee joint flange with the outer end surface parallel to the end surface of the second through port, the third through joint flange with the outer end surface parallel to the end surface of the third through port end is arranged at, The three-way pipe third flange piece is matched with the third fireproof plate of the air pipe three-way pipe; the second tee joint flange comprises a tee pipe first flange piece matched with a fourth fireproof plate of the air pipe tee pipe, a tee pipe third flange piece matched with a sixth fireproof plate of the air pipe tee pipe, a tee pipe seventh flange piece matched with the first fireproof plate of the air pipe tee pipe and a tee pipe eighth flange piece matched with the second fireproof plate of the air pipe tee pipe; the third tee joint flange comprises a tee pipe second flange piece matched with a fifth fireproof plate of the air pipe tee pipe, a tee pipe third flange piece matched with a sixth fireproof plate of the air pipe tee pipe, a tee pipe ninth flange piece matched with the first fireproof plate of the air pipe tee pipe and a tee pipe tenth flange piece matched with the second fireproof plate of the air pipe tee pipe;

the first connecting piece of the straight air pipe fire-proof plate, the second connecting piece of the straight air pipe fire-proof plate, the third connecting piece of the straight air pipe fire-proof plate, the fourth connecting piece of the straight air pipe fire-proof plate, the first connecting piece of the three-way pipe fire-proof plate, the second connecting piece of the three-way pipe fire-proof plate, the third connecting piece of the three-way pipe fire-proof plate, the fourth connecting piece of the three-way pipe fire-proof plate, the fifth connecting piece of the three-way pipe fire-proof plate, the sixth connecting piece of the three-way pipe fire-proof plate, the seventh connecting piece of the three-way pipe fire-proof plate and the eighth connecting piece of the three-way pipe fire-proof plate all comprise U-shaped clamping plates and two right-angle steering clamping plates vertically arranged on the same side end faces of the U-shaped clamping plates along the length direction of the U-shaped clamping plates, the two right-angle steering clamping plates are arranged in, The two ends of the U-shaped clamping plate and the right-angle steering clamping plate of the fourth connecting piece, the seventh connecting piece and the eighth connecting piece of the three-way pipe fireproof plate along the length direction are respectively provided with an oblique first assembling surface; an inclined first assembling surface is arranged at one end, away from the guide clamping plate part, of the first connecting piece of the three-way pipe fireproof plate, the fifth connecting piece of the three-way pipe fireproof plate, the second connecting piece of the three-way pipe fireproof plate, the U-shaped clamping plate of the sixth connecting piece of the three-way pipe fireproof plate and the right-angle steering clamping plate;

the first fireproof plate of the straight air duct section, the second fireproof plate of the straight air duct section, the third fireproof plate of the straight air duct section, the fourth fireproof plate of the straight air duct section, the first fireproof plate of the air duct three-way pipe, the second fireproof plate of the air duct three-way pipe, the third fireproof plate of the air duct three-way pipe, the fourth fireproof plate of the air duct three-way pipe, the fifth fireproof plate of the air duct three-way pipe and the sixth fireproof plate of the air duct three-way pipe are asbestos-free calcium silicate flat plates.

Foretell modularization assembled low noise does not have asbestos calcium silicate board fire prevention tuber pipe, its characterized in that: the air pipe tee joint is communicated with a fireproof air pipe pipeline through a straight air pipe butt joint section, the air pipe tee joint is communicated with the fireproof air pipe pipeline through a straight air pipe butt joint section, the air pipe steering pipe is communicated with the fireproof air pipe pipeline through a straight air pipe butt joint section, the air pipe variable-path pipe is communicated with the fireproof air pipe pipeline through a straight air pipe butt joint section, and the structure of the straight air pipe butt joint section is the same as that of the straight air pipe segment.

Foretell modularization assembled low noise does not have asbestos calcium silicate board fire prevention tuber pipe, its characterized in that: the fireproof air pipe pipeline also comprises a reducing pipe for converting the reducing of the straight air pipe section into the straight air pipe reducing section with a rectangular pipe structure, wherein the reducing pipe comprises a reducing pipe first fireproof plate and a reducing pipe second fireproof plate which are arranged just in parallel, the reducing pipe first fireproof plate is connected with a reducing pipe third fireproof plate through a reducing pipe fireproof plate first connecting piece, the reducing pipe first fireproof plate is connected with a reducing pipe fourth fireproof plate through a reducing pipe fireproof plate second connecting piece, the reducing pipe third fireproof plate is connected with the reducing pipe second fireproof plate through a reducing pipe fireproof plate third connecting piece, the reducing pipe second fireproof plate is connected with a reducing pipe fourth fireproof plate through a reducing pipe fireproof plate fourth connecting piece, the structures of the reducing pipe first connecting piece, the reducing pipe second connecting piece, the reducing pipe fireproof plate third connecting piece and the reducing pipe fourth connecting piece are the same as the structures of the straight air pipe first connecting piece, the third fire prevention plate of the reducer pipe is not parallel to the fourth fire prevention plate of the reducer pipe, and the first fire prevention plate of the reducer pipe is parallel to the first fire prevention plate of the straight air pipe section of the connected straight air pipe section;

when the third fire prevention plate of the reducer pipe and the fourth fire prevention plate of the reducer pipe are not parallel to the third fire prevention plate of the straight air pipe section of the connected straight air pipe section, the reducer pipe is a first reducer pipe;

when the third fire prevention plate of the reducer pipe or the fourth fire prevention plate of the reducer pipe is parallel to the third fire prevention plate of the straight wind pipe section of the connected straight wind pipe section, the reducer pipe is a second reducer pipe.

Foretell modularization assembled low noise does not have asbestos calcium silicate board fire prevention tuber pipe, its characterized in that: the first fireproof plate of straight tuber pipe section includes first fireproof plate makeup one and first fireproof plate makeup two, straight tuber pipe section second fireproof plate includes second fireproof plate makeup one and second fireproof plate makeup two, first fireproof plate makeup one and first fireproof plate makeup two, and second fireproof plate makeup one and second fireproof plate makeup two distribute and connect through the extension splint spare of straight I shape, two extension splint spares are provided with a plurality of bracing pieces along length direction, two extension splint spares are passed respectively at the both ends of bracing piece, locking nut is installed to the one end that the bracing piece passed extension splint spare.

Foretell modularization assembled low noise does not have asbestos calcium silicate board fire prevention tuber pipe, its characterized in that: the first connecting piece of straight tuber pipe PLASTIC LAMINATED and straight tuber pipe PLASTIC LAMINATED second connecting piece are the symmetry and set up, and straight tuber pipe PLASTIC LAMINATED third connecting piece and straight tuber pipe PLASTIC LAMINATED fourth connecting piece are the symmetry and set up, and straight tuber pipe PLASTIC LAMINATED first connecting piece and straight tuber pipe PLASTIC LAMINATED third connecting piece are the symmetry and set up, and straight tuber pipe PLASTIC LAMINATED second connecting piece and straight tuber pipe PLASTIC LAMINATED fourth connecting piece are the symmetry and set up.

Foretell modularization assembled low noise does not have asbestos calcium silicate board fire prevention tuber pipe, its characterized in that: the first flange piece of the straight air pipe and the second flange piece of the straight air pipe are identical in structural size, the third flange piece of the straight air pipe and the fourth flange piece of the straight air pipe are identical in structural size, the first flange piece of the straight air pipe comprises a flange outward turning plate positioning plate and a first flange outward turning plate which is arranged on the outer side surface of the flange outward turning plate positioning plate and is isometric and vertical to the flange outward turning plate positioning plate, and the outer end surface of the first flange outward turning plate is flush with the outer end surface of the flange outward turning plate positioning plate; the third flange part of the straight air duct comprises a flange outward turning plate positioning plate and a second flange outward turning plate vertically arranged on the outer side surface of the flange outward turning plate positioning plate, and the length of the second flange outward turning plate is longer than that of the flange outward turning plate positioning plate;

the first flange piece of the three-way pipe comprises a flange outward turning plate positioning plate and a third flange outward turning plate arranged on the outer side surface of the flange outward turning plate positioning plate, and an included angle between the third flange outward turning plate and the flange outward turning plate positioning plate is an obtuse angle;

the second flange piece of the three-way pipe comprises a flange outward turning plate positioning plate and a fourth flange outward turning plate arranged on the outer side surface of the flange outward turning plate positioning plate, and an included angle between the fourth flange outward turning plate and the flange outward turning plate positioning plate is an acute angle;

the third flange piece of the three-way pipe comprises a flange outward turning plate positioning plate and a fifth flange outward turning plate arranged on the outer side surface of the flange outward turning plate positioning plate, and an included angle between the fifth flange outward turning plate and the flange outward turning plate positioning plate is an acute angle;

the flange outward turning plate positioning plate is a U-shaped flange outward turning plate positioning plate, and two ends of the U-shaped flange outward turning plate positioning plate in the length direction are both provided with second assembling surfaces matched with the oblique first assembling surfaces.

Foretell modularization assembled low noise does not have asbestos calcium silicate board fire prevention tuber pipe, its characterized in that: the structures of the third flange piece of the three-way pipe, the sixth flange piece of the three-way pipe, the seventh flange piece of the three-way pipe, the eighth flange piece of the three-way pipe, the ninth flange piece of the three-way pipe and the tenth flange piece of the three-way pipe are the same as those of the third flange piece of the straight wind pipe.

Foretell modularization assembled low noise does not have asbestos calcium silicate board fire prevention tuber pipe, its characterized in that: the air pipe four-way pipe comprises two octagonal air pipe four-way pipe fire-proof plates which are parallel and are just opposite to each other, and the circumferential edges of the two octagonal air pipe four-way pipe fire-proof plates are connected through four-way pipe side plates which are arranged at intervals.

Foretell modularization assembled low noise does not have asbestos calcium silicate board fire prevention tuber pipe, its characterized in that: the air outlet pipe comprises an air outlet plate connecting piece which is arranged on the side wall of the air outlet pipe and is used for connecting an air outlet plate, the air outlet pipe is a rectangular air outlet pipe, the number of the air outlet plate connecting piece and the number of the air outlet plate are four, the air outlet plate is far away from one end of the air outlet plate connecting piece, an outward-turning type air port flange is arranged, the outward-turning type air port flange comprises four air outlet plate flange pieces, the air outlet plate is a non-asbestos calcium silicate plate, and the air outlet plate connecting piece comprises a U-shaped clamping plate and two right-angle steering clamping plates which are vertically arranged on the end faces of the same side of the U-.

Foretell modularization assembled low noise does not have asbestos calcium silicate board fire prevention tuber pipe, its characterized in that: the connection positions of the asbestos-free calcium silicate flat plate and the straight pipe flange, the first tee joint flange, the second tee joint flange, the third tee joint flange and the fireproof plate connecting piece are coated with fireproof glue; the straight pipe flange, the first tee joint flange, the second tee joint flange, the third tee joint flange and the fireproof plate connecting piece are all made of aluminum alloy.

The invention has the advantages that the design is novel and reasonable, the assembly of the asbestos-free calcium silicate flat plate, the flange and the fireproof plate connecting piece is utilized to form the fireproof air pipe with any topological structure, the assembly is simple, quick and stable, the dead weight is light, the asbestos-free calcium silicate flat plate has certain thickness, the vibration cannot occur under the action of wind power, the noise is low, the internal supporting piece, the flange and the fireproof plate connecting piece can be repeatedly utilized, the cost is low, meanwhile, the asbestos-free calcium silicate plate is utilized to replace the asbestos plate under the condition of ensuring the strength, the asbestos fiber can be prevented from being released due to the aging of the asbestos plate, the environment is protected, and the popularization and the use are.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

FIG. 1 is a topological diagram of the fireproof air duct of the present invention.

Fig. 2 is a schematic structural diagram of the straight duct segment of the present invention.

FIG. 3 is a schematic structural view of the straight pipe flanges installed at two ends of the straight pipe segment according to the present invention.

Fig. 4 is a schematic structural view of widening of the straight air duct section.

Fig. 5 is a schematic structural view of the mounting support rod for the widened windpipe segment of the present invention.

FIG. 6 is a schematic structural view of the invention showing the installation of straight pipe flanges at two ends of the widened straight wind pipe segment.

Fig. 7 is a schematic structural view of a first connecting member of the fire-proof plate for the direct wind pipe according to the present invention.

Fig. 8 is a schematic structural view of the first flange member of the straight duct of the present invention.

Fig. 9 is a schematic structural view of the second flange member of the straight duct of the present invention.

FIG. 10 is a schematic structural diagram of the three-way pipe of the air duct of the present invention.

FIG. 11 is a schematic structural diagram of a first flange piece of a tee pipe for mounting an air pipe tee pipe, a second flange piece of the tee pipe and a third flange piece of the tee pipe.

Fig. 12 is an enlarged view of fig. 11 at a.

Fig. 13 is an enlarged view of fig. 11 at B.

FIG. 14 is a schematic structural view of the four-way pipe of the air hose of the present invention.

Fig. 15 is a schematic structural view of an air outlet pipe of the present invention.

Fig. 16 is a cross-sectional view C-C of fig. 15.

Fig. 17 is a schematic structural view of the reducer pipe of the present invention.

Description of reference numerals:

1-straight air duct section; 2-a straight wind pipe butt joint section; 3-three-way pipe of air duct;

4-air pipe steering pipe; 5, changing the duct of the air duct; 6, a first reducer pipe;

7, a second reducer pipe; 8-air pipe four-way pipe; 8-1-four-way pipe side plate;

9-air outlet pipe; 9-1-air outlet plate connecting piece; 9-2-air outlet plate;

9-3-air outlet plate flange parts; 10-a straight wind pipe reducing section; 11-asbestos-free calcium silicate flat plate;

11-1-a first fire-proof plate of a straight wind pipe section; 11-1-1-first fireproof plate jointed plate I;

11-1-2-a second fireproof plate jointed board; 11-2-a second fire-proof plate of the straight wind pipe section;

11-2-1-a first splicing plate of a second fireproof plate; 11-2-a second fireproof plate splicing plate II;

11-3-third fire prevention plate of the straight wind pipe section; 11-4-a fourth fire shield of the straight wind pipe section;

11-5-a first fireproof plate of the three-way pipe of the air pipe; 11-6-air duct three-way pipe second fireproof plate;

11-7-third fire prevention plate of the air pipe three-way pipe; 11-8-fourth fireproof plate of the three-way pipe of the air duct;

11-9-fifth fireproof plate of the three-way pipe of the air duct; 11-10-a sixth fireproof plate of the air pipe three-way pipe;

11-a first fire-proof plate of the reducer pipe; 11-12, a second fire-proof plate of the reducer pipe;

11-13-a third fire prevention plate of the reducer pipe; 11-14, a fourth fireproof plate of the reducer pipe;

12-a U-shaped splint; 12-1-a first connector of a fire-proof plate of a straight wind pipe;

12-2-a second connector of the fire-proof plate of the straight wind pipe; 12-3-a third connecting piece of the fire-proof plate of the straight wind pipe;

12-4-a fourth connecting piece of the fire-proof plate of the straight wind pipe; 12-5, a first connecting piece of a three-way pipe fireproof plate;

12-6-a tee pipe fire-proof plate second connecting piece; 12-7, a third connecting piece of the three-way pipe fireproof plate;

12-8-a fourth connecting piece of the three-way pipe fireproof plate; 12-9-a fifth connecting piece of the three-way pipe fire-proof plate;

12-10-a sixth connecting piece of the three-way pipe fire-proof plate; 12-11-a seventh connecting piece of the three-way pipe fire-proof plate;

13-flange external turning plate positioning plate; 13-1-a first flange member of the down-draft tube;

13-2-a second flange member of the down wind pipe; 13-3-a third flange part of the vertical air pipe;

13-4-a fourth flange piece of the straight wind pipe; 13-5, a first flange piece of the three-way pipe;

13-6-tee pipe second flange piece; 13-7, a third flange piece of the three-way pipe;

14-1-a first flange outer turning plate; 14-2-a second flange outer turning plate;

14-3-a third flange outer turning plate; 14-4-a fourth flange outer turning plate;

15-widening the splint part; 16-a support bar;

17-a lock nut; 18-right angle steering cleats; 19-guide jaw element.

Detailed Description

As shown in fig. 1 to 17, the present invention comprises a four-way duct 8 for communicating with four-way fireproof air duct pipelines, a three-way duct 3 for communicating with three-way fireproof air duct pipelines, an air duct turning duct 4 for turning the fireproof air duct pipelines, and an air duct changing duct 5 for changing the fireproof air duct pipelines, wherein the fireproof air duct pipelines comprise a plurality of sections of straight air duct segments 1 connected in sequence, an air outlet duct 9 is reserved on each straight air duct segment 1, each straight air duct segment 1 is a rectangular tubular straight air duct segment, each rectangular tubular straight air duct segment comprises a first fire prevention plate 11-1 and a second fire prevention plate 11-2 of the straight air duct segment, which are arranged in parallel, and a first fire prevention plate 11-3 of the straight air duct segment and a fourth fire prevention plate 11-4 of the straight air duct segment, which are arranged in parallel, the first fire prevention plate 11-1 of the straight air duct segment and the third fire prevention plate 11-3 of the straight air duct segment are connected by a first connecting piece 12-1 of the straight air duct fire prevention plate, the straight air pipe section first fire-proof plate 11-1 and the straight air pipe section fourth fire-proof plate 11-4 are connected through a straight air pipe fire-proof plate second connecting piece 12-2, the straight air pipe section second fire-proof plate 11-2 and the straight air pipe section third fire-proof plate 11-3 are connected through a straight air pipe fire-proof plate third connecting piece 12-3, the straight air pipe section second fire-proof plate 11-2 and the straight air pipe section fourth fire-proof plate 11-4 are connected through a straight air pipe fire-proof plate fourth connecting piece 12-4, straight pipe flanges are arranged at two ends of the rectangular tubular straight air pipe section along the length direction, each straight pipe flange comprises a straight air pipe first flange piece 13-1 matched with the straight air pipe section first fire-proof plate 11-1, a straight air pipe second flange piece 13-2 matched with the straight air pipe section second fire-proof plate 11-2, a straight air pipe flange piece 13-2, A third flange part 13-3 of the straight air duct matched with the third fire prevention plate 11-3 of the straight air duct section and a fourth flange part 13-4 of the straight air duct matched with the fourth fire prevention plate 11-4 of the straight air duct section;

the air pipe three-way pipe 3 comprises a first air pipe three-way pipe fire prevention plate 11-5 and a second air pipe three-way pipe fire prevention plate 11-6 which are arranged in parallel and oppositely, one side of the first air pipe three-way pipe fire prevention plate 11-5 and one side of the second air pipe three-way pipe fire prevention plate 11-6 are provided with an air pipe three-way pipe third fire prevention plate 11-7 and an air pipe three-way pipe fourth fire prevention plate 11-8 which incline towards the inside of the pipeline, the other side of the first air pipe three-way pipe fire prevention plate 11-5 and the second air pipe three-way pipe fire prevention plate 11-6 is provided with an air pipe three-way pipe fifth fire prevention plate 11-9 and an air pipe three-way pipe sixth fire prevention plate 11-10 which incline towards the outside of the pipeline, the air pipe three-way pipe third fire prevention plate 11-7 and the first air pipe fire prevention plate 11-5 are connected through a first three-way pipe fire prevention plate connecting piece 12-5, and the third air pipe The through pipe fire-proof plate second connecting piece 12-6 is connected, the air pipe tee pipe fifth fire-proof plate 11-9 and the air pipe tee pipe first fire-proof plate 11-5 are connected through the tee pipe fire-proof plate third connecting piece 12-7, the air pipe tee pipe fifth fire-proof plate 11-9 and the air pipe tee pipe second fire-proof plate 11-6 are connected through the tee pipe fire-proof plate fourth connecting piece 12-8, the air pipe tee pipe fourth fire-proof plate 11-8 and the air pipe tee pipe first fire-proof plate 11-5 are connected through the tee pipe fire-proof plate fifth connecting piece 12-9, the air pipe tee pipe fourth fire-proof plate 11-8 and the air pipe tee pipe second fire-proof plate 11-6 are connected through the tee pipe fire-proof plate sixth connecting piece 12-10, the tee pipe sixth fire-proof plate 11-10 and the air pipe tee pipe first fire-proof plate 11-5 are connected through the tee pipe fire-proof plate seventh connecting piece 12-11, a sixth fireproof plate 11-10 of the three-way pipe of the air pipe and a second fireproof plate 11-6 of the three-way pipe of the air pipe are connected through an eighth connecting piece of the fireproof plate of the three-way pipe of the air pipe, the third fireproof plate 11-7 of the three-way pipe of the air pipe and the fourth fireproof plate 11-8 of the three-way pipe of the air pipe are connected through an I-shaped guide clamping plate piece 19 which is bent towards the inner part of the pipeline, a first through end of the three-way pipe 3 is formed between one end of the third fireproof plate 11-8 of the three-way pipe of the air pipe and one end of the fifth fireproof plate 11-9 of the three-way pipe of the air pipe and close to the third fireproof plate 11-7 of the three-way pipe, a second through end of the three-way pipe 3 is formed between one end of the fourth fireproof plate 11-8 of the three-way pipe and far away from the third fireproof plate 11-7 of the three-way pipe and one end of the sixth fireproof, a third tee joint end of the air pipe three-way pipe 3 is formed between the fifth fireproof plate 11-9 of the air pipe three-way pipe and the sixth fireproof plate 11-10 of the air pipe three-way pipe, the first tee joint end of the air pipe three-way pipe 3 is provided with a first tee joint flange of which the outer end surface is flush with the end surface of the first tee joint end, the second tee joint end of the air pipe three-way pipe 3 is provided with a second tee joint flange of which the outer end surface is flush with the end surface of the second tee joint end, the third tee joint end of the air pipe three-way pipe 3 is provided with a third tee joint flange of which the outer end surface is flush with the end surface of the third tee joint end, and the first tee joint flange comprises a three-way pipe first flange piece 13-5 matched with the third fireproof plate 11-7 of the air pipe three-way pipe, a three-way pipe second flange piece 13-6 matched with the fifth fireproof plate 11-9 of the air pipe three-way, A third flange piece of the three-way pipe matched with the second fireproof plate 11-6 of the three-way pipe of the air pipe; the second tee joint flange comprises a tee pipe first flange piece 13-5 matched with a fourth fireproof plate 11-8 of the air pipe tee pipe, a tee pipe third flange piece 13-7 matched with a sixth fireproof plate 11-10 of the air pipe tee pipe, a tee pipe seventh flange piece matched with the first fireproof plate 11-5 of the air pipe tee pipe and a tee pipe eighth flange piece matched with a second fireproof plate 11-6 of the air pipe tee pipe; the third tee joint flange comprises a tee pipe second flange piece 13-6 matched with a fifth fireproof plate 11-9 of the air pipe tee pipe, a tee pipe third flange piece 13-7 matched with a sixth fireproof plate 11-10 of the air pipe tee pipe, a tee pipe ninth flange piece matched with a first fireproof plate 11-5 of the air pipe tee pipe and a tee pipe tenth flange piece matched with the second fireproof plate 11-6 of the air pipe tee pipe;

the straight air pipe fire-proof plate first connecting piece 12-1, the straight air pipe fire-proof plate second connecting piece 12-2, the straight air pipe fire-proof plate third connecting piece 12-3, the straight air pipe fire-proof plate fourth connecting piece 12-4, the tee pipe fire-proof plate first connecting piece 12-5, the tee pipe fire-proof plate second connecting piece 12-6, the tee pipe fire-proof plate third connecting piece 12-7, the tee pipe fire-proof plate fourth connecting piece 12-8, the tee pipe fire-proof plate fifth connecting piece 12-9, the tee pipe fire-proof plate sixth connecting piece 12-10, the tee pipe fire-proof plate seventh connecting piece 12-11 and the tee pipe fire-proof plate eighth connecting piece all comprise a U-shaped clamping plate 12 and two right-angle steering clamping plates 18 which are vertically arranged on the same side end face of the U-shaped clamping plate 12 along the length direction of the U-shaped clamping plate 12, the two right-, the two ends of the straight air pipe fire-proof plate first connecting piece 12-1, the straight air pipe fire-proof plate second connecting piece 12-2, the straight air pipe fire-proof plate third connecting piece 12-3, the straight air pipe fire-proof plate fourth connecting piece 12-4, the three-way pipe fire-proof plate third connecting piece 12-7, the three-way pipe fire-proof plate fourth connecting piece 12-8, the three-way pipe fire-proof plate seventh connecting piece 12-11 and the U-shaped clamping plate 12 and the right-angle steering clamping plate 18 of the three-way pipe fire-proof plate eighth connecting piece in the length direction are respectively provided with an oblique first assembling surface; an inclined first assembling surface is arranged at one end, far away from the guide splint piece 19, of the first connecting piece 12-5 of the three-way pipe fire-proof plate, the fifth connecting piece 12-9 of the three-way pipe fire-proof plate, the second connecting piece 12-6 of the three-way pipe fire-proof plate, the U-shaped splint 12 of the sixth connecting piece 12-10 of the three-way pipe fire-proof plate and the right-angle steering splint 18;

the first fire-proof plate 11-1 of the straight air pipe section, the second fire-proof plate 11-2 of the straight air pipe section, the third fire-proof plate 11-3 of the straight air pipe section, the fourth fire-proof plate 11-4 of the straight air pipe section, the first fire-proof plate 11-5 of the air pipe three-way pipe, the second fire-proof plate 11-6 of the air pipe three-way pipe, the third fire-proof plate 11-7 of the air pipe three-way pipe, the fourth fire-proof plate 11-8 of the air pipe three-way pipe, the fifth fire-proof plate 11-9 of the air pipe three-way pipe and the sixth fire-proof plate 11-10 of the air pipe three-way pipe are all asbestos-free.

In actual use, the matching end faces of the first connecting piece 12-5 of the three-way pipe fire-proof plate and the fifth connecting piece 12-9 of the three-way pipe fire-proof plate are abutted, the second connecting piece 12-6 of the three-way pipe fire-proof plate and the sixth connecting piece 12-10 of the three-way pipe fire-proof plate are abutted, so that the air pipe three-way pipe third fire-proof plate 11-7 and the air pipe three-way pipe fourth fire-proof plate 11-8 form an inward-sinking type folding surface, ventilation resistance is reduced, and the preferable air pipe three-way pipe third fire-proof plate 11-7 and the air pipe three-way pipe fourth fire-proof plate 11-8 are arranged in a.

In this embodiment, tuber pipe three-way pipe 3 is through straight tuber pipe butt joint section 2 and fire prevention tuber pipe pipeline intercommunication, tuber pipe four-way pipe 8 is through straight tuber pipe butt joint section 2 and fire prevention tuber pipe pipeline intercommunication, and tuber pipe steering tube 4 is through straight tuber pipe butt joint section 2 and fire prevention tuber pipe pipeline intercommunication, and tuber pipe becomes saying pipe 5 through straight tuber pipe butt joint section 2 and fire prevention tuber pipe pipeline intercommunication, and the structure of straight tuber pipe butt joint section 2 is the same with the structure of straight tuber pipe festival section 1.

In the in-service use, the structure of straight tuber pipe butt joint section 2 is the same with the structure of straight tuber pipe festival section 1, just is shorter than straight tuber pipe festival section 1 in length dimension, realizes the reliable swift installation of straight tuber pipe festival section 1 and tuber pipe three-way pipe 3, tuber pipe steering tube 4, tuber pipe change way pipe 5, tuber pipe four-way pipe 8, is convenient for simultaneously the dismantlement of tuber pipe three-way pipe 3, tuber pipe steering tube 4, tuber pipe change way pipe 5, tuber pipe four-way pipe 8 is overhauld.

In the embodiment, the fireproof air duct pipeline further comprises a reducing pipe for reducing the straight air duct section 1 into a straight air duct reducing section 10 with a rectangular pipe structure, the reducing pipe comprises a reducing pipe first fire-proof plate 11-11 and a reducing pipe second fire-proof plate 11-12 which are arranged oppositely in parallel, the reducing pipe first fire-proof plate 11-11 is connected with a reducing pipe third fire-proof plate 11-13 through a reducing pipe fire-proof plate first connecting piece, the reducing pipe first fire-proof plate 11-11 is connected with a reducing pipe fourth fire-proof plate 11-14 through a reducing pipe fire-proof plate second connecting piece, the reducing pipe third fire-proof plate 11-13 is connected with the reducing pipe second fire-proof plate 11-12 through a reducing pipe fire-proof plate third connecting piece, the reducing pipe second fire-proof plate 11-12 is connected with a reducing pipe fourth fire-proof plate 11-14 through a reducing pipe fourth connecting piece, the structures of the first connecting piece of the reducing pipe fire-proof plate, the second connecting piece of the reducing pipe fire-proof plate, the third connecting piece of the reducing pipe fire-proof plate and the fourth connecting piece of the reducing pipe fire-proof plate are the same as the structure of the first connecting piece 12-1 of the straight air pipe fire-proof plate, the third fire-proof plate 11-13 of the reducing pipe is not parallel to the fourth fire-proof plate 11-14 of the reducing pipe, and the first fire-proof plate 11-11 of the reducing pipe is parallel to the first fire-proof plate 11-1 of the straight air pipe section 1 connected with the first fire-proof plate;

when the third fire prevention plate 11-13 of the reducer pipe and the fourth fire prevention plate 11-14 of the reducer pipe are not parallel to the third fire prevention plate 11-3 of the straight air pipe section of the connected straight air pipe section 1, the reducer pipe is the first reducer pipe 6;

when the third fire prevention plate 11-13 or the fourth fire prevention plate 11-14 of the reducer pipe is parallel to the third fire prevention plate 11-3 of the straight wind pipe section of the connected straight wind pipe section 1, the reducer pipe is the second reducer pipe 7.

In the in-service use, the reducer pipe structure that the most suitable installation is selected according to the condition in actual place in a flexible way, when the upside and the downside of the 1 extending direction of straight tuber pipe section appear hindering, select first reducer pipe 6 structure, when the upside or the downside of the 1 extending direction of straight tuber pipe section appear hindering, select second reducer pipe 7 structure.

In the embodiment, the first fire prevention plate 11-1 of the straight air duct segment comprises a first fire prevention plate jointed plate I11-1-1 and a first fire prevention plate jointed plate II 11-1-2, the second fire prevention plate 11-2 of the straight air duct segment comprises a second fire prevention plate jointed plate I11-2-1 and a second fire prevention plate jointed plate II 11-2-2, the first fire prevention plate jointed plate I11-1-1 and the first fire prevention plate jointed plate II 11-1-2, and the second fireproof plate jointed board I11-2-1 and the second fireproof plate jointed board II 11-2-2 are connected through straight I-shaped widening splint parts 15, a plurality of support rods 16 are arranged on the two widening splint parts 15 along the length direction, two ends of each support rod 16 respectively penetrate through the two widening splint parts 15, and one end of each support rod 16 penetrating through the widening splint part 15 is provided with a locking nut 17.

In this embodiment, the straight air duct fire plate first connecting member 12-1 and the straight air duct fire plate second connecting member 12-2 are symmetrically arranged, the straight air duct fire plate third connecting member 12-3 and the straight air duct fire plate fourth connecting member 12-4 are symmetrically arranged, the straight air duct fire plate first connecting member 12-1 and the straight air duct fire plate third connecting member 12-3 are symmetrically arranged, and the straight air duct fire plate second connecting member 12-2 and the straight air duct fire plate fourth connecting member 12-4 are symmetrically arranged.

In the embodiment, the structural sizes of the first flange piece 13-1 of the straight air duct and the second flange piece 13-2 of the straight air duct are the same, the structural sizes of the third flange piece 13-3 of the straight air duct and the fourth flange piece 13-4 of the straight air duct are the same, the first flange piece 13-1 of the straight air duct comprises a flange outer turning plate positioning plate 13 and a first flange outer turning plate 14-1 which is arranged on the outer side surface of the flange outer turning plate positioning plate 13 and is isometric and vertical to the flange outer turning plate positioning plate 13, and the outer end surface of the first flange outer turning plate 14-1 is flush with the outer end surface of the flange outer turning plate positioning plate 13; the third flange part 13-3 of the straight air duct comprises a flange outward turning plate positioning plate 13 and a second flange outward turning plate 14-2 vertically arranged on the outer side surface of the flange outward turning plate positioning plate 13, and the length of the second flange outward turning plate 14-2 is longer than that of the flange outward turning plate positioning plate 13;

the first flange piece 13-5 of the three-way pipe comprises a flange outward turning plate positioning plate 13 and a third flange outward turning plate 14-3 arranged on the outer side surface of the flange outward turning plate positioning plate 13, and an included angle between the third flange outward turning plate 14-3 and the flange outward turning plate positioning plate 13 is an obtuse angle;

the second flange piece 13-6 of the three-way pipe comprises a flange outward turning plate positioning plate 13 and a fourth flange outward turning plate 14-4 arranged on the outer side surface of the flange outward turning plate positioning plate 13, and an included angle between the fourth flange outward turning plate 14-4 and the flange outward turning plate positioning plate 13 is an acute angle;

the third flange piece 13-7 of the three-way pipe comprises a flange outward turning plate positioning plate 13 and a fifth flange outward turning plate arranged on the outer side surface of the flange outward turning plate positioning plate 13, and an included angle between the fifth flange outward turning plate and the flange outward turning plate positioning plate 13 is an acute angle;

the flange outward turning plate positioning plate 13 is a U-shaped flange outward turning plate positioning plate, and two ends of the U-shaped flange outward turning plate positioning plate along the length direction are both provided with second assembling surfaces matched with the oblique first assembling surfaces.

In actual installation, when the end flanges of two adjacent pipe joints on the air pipe are connected, a fireproof pad is arranged between the end flanges of the two adjacent pipe joints to be connected, and each pipe joint comprises a straight air pipe section 1, a straight air pipe butt joint section 2, an air pipe three-way pipe 3, an air pipe steering pipe 4, an air pipe variable-path pipe 5, a first variable-diameter pipe 6, a second variable-diameter pipe 7 and an air pipe four-way pipe 8.

In this embodiment, the structures of the fifth flange piece of the three-way pipe, the sixth flange piece of the three-way pipe, the seventh flange piece of the three-way pipe, the eighth flange piece of the three-way pipe, the ninth flange piece of the three-way pipe and the tenth flange piece of the three-way pipe are the same as those of the third flange piece 13-3 of the straight wind pipe.

In this embodiment, the air duct four-way pipe 8 includes two octagonal air duct four-way pipe fire-proof plates which are arranged in parallel and just opposite to each other, and the circumferential edges of the two octagonal air duct four-way pipe fire-proof plates are connected through four-way pipe side plates 8-1 which are arranged at intervals.

In actual use, the four-way pipe side plates 8-1 are connected with two octagonal air pipe four-way pipe fire-proof plates which are arranged in parallel and just opposite through eight three-way pipe fire-proof plate third connecting pieces 12-7, the four-way pipe side plates 8-1 and the two octagonal air pipe four-way pipe fire-proof plates form four ports, port flanges are arranged on the four ports, the port flanges are connected with the octagonal air pipe four-way pipe fire-proof plates and adopt straight air pipe first flange pieces 13-1, the port flanges are connected with the four-way pipe side plates 8-1 and adopt three-way pipe third flange pieces 13-7, and the preferred octagonal air pipe four-way pipe fire-proof plates are of a central symmetry structure.

In this embodiment, the air outlet pipe 9 includes an air outlet plate connecting member 9-1 installed on a side wall of an air outlet pipe and used for connecting an air outlet plate 9-2, the air outlet pipe is a rectangular air outlet pipe, the number of the air outlet plate connecting member 9-1 and the air outlet plate 9-2 at each rectangular air outlet pipe is four, an outward turning type air port flange is installed at one end of the air outlet plate 9-2 away from the air outlet plate connecting member 9-1, the outward turning type air port flange includes four air outlet plate flange members 9-3, the air outlet plate 9-2 is a calcium silicate plate without asbestos, and the air outlet plate connecting member 9-1 includes a U-shaped clamping plate 12 and two right-angle turning clamping plates 18 vertically arranged on the same side end face of the U-shaped clamping plate 12 along the length direction of the.

In actual installation, the air outlet plate connecting piece 9-1 is subjected to applicability cutting according to assembly.

In this embodiment, fire-resistant glue is coated at the connection positions of the asbestos-free calcium silicate flat plate 11, the straight pipe flange, the first tee joint flange, the second tee joint flange, the third tee joint flange and the fire-proof plate connecting piece; the straight pipe flange, the first tee joint flange, the second tee joint flange, the third tee joint flange and the fireproof plate connecting piece are all made of aluminum alloy.

The fire-proof plate connecting pieces comprise a first straight wind pipe fire-proof plate connecting piece 12-1, a second straight wind pipe fire-proof plate connecting piece 12-2, a third straight wind pipe fire-proof plate connecting piece 12-3, a fourth straight wind pipe fire-proof plate connecting piece 12-4, a first three-way pipe fire-proof plate connecting piece 12-5, a second three-way pipe fire-proof plate connecting piece 12-6, a third three-way pipe fire-proof plate connecting piece 12-7, a fourth three-way pipe fire-proof plate connecting piece 12-8, a fifth three-way pipe fire-proof plate connecting piece 12-9, a sixth three-way pipe fire-proof plate connecting piece 12-10, a seventh three-way pipe fire-proof plate connecting piece 12-11, an eighth three-way pipe fire-proof plate connecting piece and an air outlet.

When the special-shaped pipe steering device is used, the air pipe steering pipe 4 is a 90-degree air pipe steering pipe, the air pipe diversion pipe 5 is a 180-degree air pipe steering pipe, the sections of the air pipe steering pipe 4 and the air pipe diversion pipe 5 in the pipeline extending direction are both rectangular rings, the air pipe steering pipe 4 and the air pipe diversion pipe 5 both comprise a plurality of special-shaped pipes, two side plates of each special-shaped pipe are rectangular plates with unequal areas, the other two side plates of each special-shaped pipe are rectangular plates with equal areas, and the end parts of the special-shaped pipes are provided with flange pieces parallel to the outer end surfaces and the end surfaces of the special-shaped pipes;

utilize the assembly of non-asbestos calcium silicate flat board and flange and PLASTIC LAMINATED connecting piece to form the fire prevention tuber pipe of arbitrary topological structure, and the equipment is simple, swiftly, stable, the dead weight is light, non-asbestos calcium silicate flat board has certain thickness under the wind-force effect, can not take place the shake, the noise is little, inside support piece, flange and PLASTIC LAMINATED connecting piece can reuse, and is with low costs, simultaneously under the condition of guaranteeing intensity, utilize non-asbestos calcium silicate board to replace asbestos board, avoid asbestos fibre that asbestos board ageing can release, it is healthy and environment-friendly.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.