阅读说明：本技术 一种高温管道预热装置 (High-temperature pipeline preheating device ) 是由 唐焱 梁冰 邵留宝 李坤 殷豪 汪元胜 洪填宝 王松浩 于 2021-08-12 设计创作，主要内容包括：本发明公开了一种高温管道预热装置,包括移动底板,所述移动底板的上表面分别固定安装有加热箱、移动电源和收卷框,且移动底板的上表面通过安装座和安装杆分别固定安装有风机和回风箱,风机的出风端延伸至加热箱的内部,风机的进风端延伸至回风箱的内部,加热箱的上表面分别设置有燃烧器和PLC控制器,燃烧器的出火端延伸至加热箱的内部。该高温管道预热装置,通过设置收卷框、转动气管、连接管、密封轴承、收卷盘和转动舵,使该装置在对高温管道进行预热的前后,能够通过转动转动舵带动转动气管转动,转动气管的转动带动收卷盘对回风管进行卷放,从而避免了采用人工拉扯的方式进行卷放,为工作人员提供了便利且有效的提高了工作效率。(The invention discloses a high-temperature pipeline preheating device which comprises a movable bottom plate, wherein a heating box, a mobile power supply and a winding frame are respectively and fixedly arranged on the upper surface of the movable bottom plate, a fan and an air return box are respectively and fixedly arranged on the upper surface of the movable bottom plate through a mounting seat and a mounting rod, the air outlet end of the fan extends into the heating box, the air inlet end of the fan extends into the air return box, a burner and a PLC (programmable logic controller) are respectively arranged on the upper surface of the heating box, and the fire outlet end of the burner extends into the heating box. This high temperature pipeline preheating device, through setting up the frame of rolling up, rotate trachea, connecting pipe, sealed bearing, rolling dish and rotation rudder, make the device around preheating high temperature pipeline, can rotate the rudder through rotating and drive and rotate the trachea and rotate, rotate tracheal rotation and drive the rolling dish and roll up the backwind pipe and put to avoided adopting the artifical mode of dragging to roll up and put, for the staff provides convenience and effectual work efficiency that has improved.)

1. The utility model provides a high temperature pipeline preheating device, includes removal bottom plate (1), its characterized in that: the upper surface of the movable bottom plate (1) is respectively and fixedly provided with a heating box (2), a mobile power supply and a winding frame (3), the upper surface of the movable bottom plate (1) is respectively and fixedly provided with a fan (4) and an air return box (5) through a mounting seat and a mounting rod, the air outlet end of the fan (4) extends into the heating box (2), the air inlet end of the fan (4) extends into the air return box (5), the upper surface of the heating box (2) is respectively provided with a burner (6) and a PLC (programmable logic controller) (7), the fire outlet end of the burner (6) extends into the heating box (2), the left side surface of the heating box (2) is provided with an air outlet pipe (8), the surface of the air outlet pipe (8) is fixedly provided with a sealed inflatable airbag (9), one inner wall of the winding frame (3) is rotatably connected with a rotating air pipe (10), the other inner wall of the winding frame (3) is fixedly provided with a connecting pipe (11), the inner wall fixed mounting of connecting pipe (11) has sealed bearing (12), and the interior anchor ring of sealed bearing (12) is connected with the fixed surface who rotates trachea (10), and the fixed surface who rotates trachea (10) installs rolling dish (13), and the surface winding of rolling dish (13) has return air pipe (14).

2. A high temperature pipeline preheating device according to claim 1, wherein: the left side face of the heating box (2) is provided with a small air pump (15), and the air outlet end of the small air pump (15) is communicated with the sealed inflatable air bag (9) through a hose.

3. A high temperature pipeline preheating device according to claim 1, wherein: one end of the air return pipe (14) extends to the inside of the rotating air pipe (10), the other end of the air return pipe (14) is provided with an installation pipe (16), the inner wall of the installation pipe (16) is provided with an air speed sensor (17) and a temperature sensor (18) respectively, and the air speed sensor (17), the temperature sensor (18), the combustor (6) and the fan (4) are all in signal connection with the PLC (7).

4. A high temperature pipeline preheating device according to claim 1, wherein: the right side face of the air return box (5) is provided with a connecting pipe (19), and one end, far away from the air return box (5), of the connecting pipe (19) extends to the inside of the connecting pipe (11).

5. A high temperature pipeline preheating device according to claim 1, wherein: the front surface of the coiling frame (3) is rotationally connected with a rotating rudder (20) used for rotating the rotating air pipe (10).

6. A high temperature pipeline preheating device according to claim 1, wherein: the lower surface of the movable bottom plate (1) is provided with four movable pulleys (21), and the four movable pulleys (21) are arranged on the lower surface of the movable bottom plate (1) in a rectangular array.

Technical Field

The invention relates to the technical field of high-temperature pipeline preheating, in particular to a high-temperature pipeline preheating device.

Background

The high-temperature pipeline preheating means that before the pipeline is integrally backfilled, a part of expansion deformation generated after the pipeline is heated is released in advance, so that the axial force and the axial stress of the pipeline are reduced, the displacement of a pipeline sliding section is reduced, and the running stability of a pipe network is improved.

The preheating method to the high temperature pipeline at present adopts hot-blast preheating mostly, but the device that has hot-blast preheating is connected comparatively loaded down with trivial details between the in-process play tuber pipe that uses and the high temperature pipeline, when installing the return air pipeline, still relies on the manpower mostly to pull the book to the return air pipeline and put, and work efficiency is lower when having increased workman work load moreover.

Therefore, we propose a high temperature pipeline preheating device.

Disclosure of Invention

The present invention is directed to a high temperature pipe preheating device to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a high-temperature pipeline preheating device comprises a movable bottom plate, wherein a heating box, a movable power supply and a winding frame are fixedly mounted on the upper surface of the movable bottom plate respectively, a fan and an air return box are fixedly mounted on the upper surface of the movable bottom plate respectively through a mounting seat and a mounting rod, the air outlet end of the fan extends into the heating box, the air inlet end of the fan extends into the air return box, a burner and a PLC (programmable logic controller) are arranged on the upper surface of the heating box respectively, the fire outlet end of the burner extends into the heating box, an air outlet pipe is arranged on the left side surface of the heating box, a sealed inflatable airbag is fixedly mounted on the surface of the air outlet pipe, one inner wall of the winding frame is rotatably connected with a rotating air pipe, a connecting pipe is fixedly mounted on the other inner wall of the winding frame, a sealing bearing is fixedly mounted on the inner wall of the connecting pipe, the inner ring surface of the sealing bearing is fixedly connected with the surface of the rotating air pipe, and a winding disc is fixedly mounted on the surface of the rotating air pipe, and the surface of the winding disc is wound with an air return pipe.

Preferably, a small air pump is arranged on the left side face of the heating box, and an air outlet end of the small air pump is communicated with the sealed inflatable air bag through a hose.

Preferably, the one end of return air hose extends to the inside that rotates the trachea, and the other end of return air hose is provided with the installation pipe, and the inner wall of installation pipe is provided with air velocity transducer and temperature sensor respectively, and air velocity transducer, temperature sensor, combustor and fan all with PLC controller signal connection.

Preferably, a connecting pipe is arranged on the right side surface of the air return box, and one end of the connecting pipe, which is far away from the air return box, extends to the inside of the connecting pipe.

Preferably, the front surface of the winding frame is rotatably connected with a rotating rudder for rotating the rotating air pipe.

Preferably, the lower surface of the movable bottom plate is provided with four movable pulleys, and the four movable pulleys are arranged on the lower surface of the movable bottom plate in a rectangular array.

Advantageous effects

The invention provides a high-temperature pipeline preheating device, which has the following beneficial effects:

1. this high temperature pipeline preheating device, through setting up the frame of rolling up, rotate trachea, connecting pipe, sealed bearing, rolling dish and rotation rudder, make the device around preheating high temperature pipeline, can rotate the rudder through rotating and drive and rotate the trachea and rotate, rotate tracheal rotation and drive the rolling dish and roll up the backwind pipe and put to avoided adopting the artifical mode of dragging to roll up and put, for the staff provides convenience and effectual work efficiency that has improved.

2. This high temperature pipeline preheating device, through setting up sealed gasbag and small-size air pump of aerifing, make the device when installing air-out pipe and high temperature pipeline, can make the inner wall of sealed gasbag and high temperature pipeline of aerifing support tightly through small-size air pump, thereby realize the quick installation of air-out pipe and high temperature pipeline, and can adapt to the high temperature piping erection of different pipe diameters, simultaneously through setting up air velocity transducer, temperature sensor, the fan, combustor and PLC controller, make this preheating device can carry out the accurate regulation to the temperature and the wind speed of preheating.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side sectional view of the winding frame according to the present invention;

fig. 3 is a schematic view of a three-dimensional structure of an air outlet pipe of the present invention.

In the figure: the device comprises a movable bottom plate 1, a heating box 2, a winding frame 3, a fan 4, an air return box 5, a combustor 6, a PLC 7, an air outlet pipe 8, a sealed inflatable air bag 9, a rotating air pipe 10, a connecting pipe 11, a sealed bearing 12, a winding disc 13, an air return pipe 14, a small air pump 15, a mounting pipe 16, an air speed sensor 17, a temperature sensor 18, a connecting pipe 19, a rotating rudder 20 and a movable pulley 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a high temperature pipeline preheating device, is provided with four removal pulleys 21 including removing bottom plate 1, the lower surface that removes bottom plate 1, and four removal pulleys 21 are the lower surface of rectangle array setting at removing bottom plate 1.

The upper surface of moving bottom plate 1 is fixed mounting respectively has heating cabinet 2, portable power source and rolling frame 3, and the upper surface of moving bottom plate 1 passes through mount pad and installation pole respectively fixed mounting have fan 4 and return air case 5, the air-out end of fan 4 extends to the inside of heating cabinet 2, the air inlet end of fan 4 extends to the inside of return air case 5, the upper surface of heating cabinet 2 is provided with combustor 6 and PLC controller 7 respectively, the end of putting out a fire of combustor 6 extends to the inside of heating cabinet 2, the left surface of heating cabinet 2 is provided with out tuber pipe 8, the fixed surface that goes out tuber pipe 8 installs sealed air bag 9, the left surface of heating cabinet 2 is provided with small-size air pump 15, the end of giving vent to anger of small-size air pump 15 is through hose and sealed air bag 9 intercommunication.

A rotating air pipe 10 is rotatably connected to one inner wall of the winding frame 3, and a rotating rudder 20 for rotating the rotating air pipe 10 is rotatably connected to the front surface of the winding frame 3.

A connecting pipe 11 is fixedly arranged on the other inner wall of the winding frame 3, a connecting pipe 19 is arranged on the right side surface of the air return box 5, and one end of the connecting pipe 19 far away from the air return box 5 extends to the inside of the connecting pipe 11.

The inner wall of the connecting pipe 11 is fixedly provided with a sealing bearing 12, the inner ring surface of the sealing bearing 12 is fixedly connected with the surface of the rotating air pipe 10, the surface of the rotating air pipe 10 is fixedly provided with a winding disc 13, and the surface of the winding disc 13 is wound with an air return pipe 14.

The one end of return air duct 14 extends to the inside that rotates trachea 10, through setting up the coiling frame 3, rotate trachea 10, connecting pipe 11, sealing bearing 12, coiling dish 13 and rotation rudder 20, make the device around preheating high temperature tube, can rotate 20 drives through rotating the rudder and rotate trachea 10 rotations, the rotation that rotates trachea 10 drives coiling dish 13 and rolls up and put return air duct 14, thereby avoided adopting the artifical mode of dragging to roll up and put, for the staff provides convenience and effectual work efficiency that has improved.

The other end of the return air pipe 14 is provided with a mounting pipe 16, the inner wall of the mounting pipe 16 is respectively provided with an air speed sensor 17 and a temperature sensor 18, and the air speed sensor 17, the temperature sensor 18, the combustor 6 and the fan 4 are in signal connection with the PLC 7.

Through setting up sealed air bag 9 and small-size air pump 15 of aerifing, make the device when installing play tuber pipe 8 and high temperature pipeline, can make the inner wall of sealed air bag 9 and high temperature pipeline support tightly through small-size air pump 15, thereby realize the quick installation of play tuber pipe 8 and high temperature pipeline, and can adapt to the high temperature piping erection of different pipe diameters, simultaneously through setting up air velocity transducer 17, temperature sensor 18, fan 4, combustor 6 and PLC controller 7, make this preheating device can carry out the accuracy to the temperature and the wind speed of preheating and adjust.

The working principle is as follows: the device is around preheating high temperature pipeline, can rotate trachea 10 rotation through rotating rudder 20 drive rotation, the rotation that rotates trachea 10 drives rolling disc 13 and rolls up put return air duct 14, thereby avoided adopting the artifical mode of dragging to roll up and put, for the staff provides convenience and effectual improvement work efficiency, and the device is when installing play tuber pipe 8 and high temperature pipeline, can make the inner wall of sealed air bag 9 and high temperature pipeline support tightly through small-size air pump 15, thereby realize the quick installation of play tuber pipe 8 and high temperature pipeline, and can adapt to the high temperature pipe installation of different pipe diameters, simultaneously through air velocity transducer 17, temperature sensor 18, fan 4, combustor 6 and PLC controller 7, make this preheating device can carry out the accurate regulation to the temperature and the wind speed of preheating.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.