阅读说明：本技术 烧结机微负压点火自动化分区控制装置 (Sintering machine tiny structure igniting automation zone control device ) 是由 田强 李秀玲 于 2019-08-28 设计创作，主要内容包括：本发明公开了一种烧结机微负压点火自动化分区控制装置,其中的阀门包括阀体、固定阀瓣、转轴和活动阀瓣；阀体为两端开口的框体结构；固定阀瓣的边沿径向固定在阀体的内壁上,且固定阀瓣的横切面长度占框体内部腔体的横切面长度的10％至90％；转轴两端转动连接在阀体的内壁上,且一端穿出阀体,与用于驱动转轴转动的驱动部连接；转轴的一侧轴向边沿与固定阀瓣的非连接边沿贴合；活动阀瓣的一侧边沿与转轴的另一侧轴向边沿固定,活动阀瓣的其它边沿与框体内壁贴合；并将该阀门应用至烧结机微负压点火自动化分区控制装置和系统中,结合驱动电机、传动机构、PLC综合计算机和工控机进行控制,操控简单、调节方便、燃烧效率高。(It lights a fire the invention discloses a kind of sintering machine tiny structure and automates zone control device, valve therein includes valve body, fixed flap, shaft and movable flap；Valve body is the frame structure of both ends open；The side of fixed flap is radially fixed on the inner wall of valve body, and the cross section length of fixed flap accounts for the 10% to 90% of the cross section length of framework internal cavity；Both ends of the shaft is rotatably connected on the inner wall of valve body, and one end is pierced by valve body, is connect with the driving portion rotated for drive shaft；The side axial direction edge of shaft is bonded with the disconnected edge of fixed flap；A side of movable flap is fixed along the other side axial direction edge with shaft, and other edges of movable flap are bonded with framework inner wall；And the valve is applied in sintering machine tiny structure igniting automation zone control device and system, it is controlled in conjunction with driving motor, transmission mechanism, PLC all round computer and industrial personal computer, manipulates simple, easy to adjust, high combustion efficiency.)

1. a kind of valve characterized by comprising valve body (1), fixed flap (2), shaft (3) and movable flap (4)；

The valve body (1) is the frame structure of both ends open；

The side of the fixed flap (2) is radially fixed on the inner wall of the valve body (1), and the cross of the fixed flap (2) Section length accounts for the 10% to 90% of the cross section length of the framework (1) internal cavity；

Shaft (3) both ends are rotatably connected on the inner wall of the valve body (1), and one end is pierced by the valve body (1), and are used for The driving portion connection for driving the shaft (3) to rotate；The side axial direction edge of the shaft (3) and the fixed flap (2) Disconnected edge fitting；

A side of the activity flap (4) is fixed along the other side axial direction edge with the shaft (3), the activity flap (4) other edges are bonded with the framework (1) inner wall.

2. a kind of valve according to claim 1, which is characterized in that the valve body (1) is cylindrical structure, and two end edges Along with the ring flange (11) outwardly protruded.

3. a kind of valve according to claim 2, which is characterized in that the fixed flap (2) and the movable flap (4) For semicircle or class semi-circular shape, and the extended line on the fixed flap (2) and the movable flap (4) arcuately side being capable of split It is formed round.

4. a kind of valve according to claim 1-3, which is characterized in that the inner wall of the valve body (1) has diameter To the rib (12) of protrusion, surface of the rib (12) respectively with the fixed flap (2) and the movable flap (4) is pasted It closes.

5. a kind of sintering machine tiny structure igniting automation zone control device characterized by comprising driving motor (5), transmission Mechanism (6) and the described in any item valves of Claims 1-4；

One end of the transmission mechanism (6) is connect with the power output end of the driving motor (5), shaft described in the other end (3) Stretch out one end connection of the valve body (1)；The driving motor (5) can drive the transmission mechanism (6) to drive the shaft (3) it rotates.

6. a kind of sintering machine tiny structure igniting automation zone control device according to claim 5, which is characterized in that institute Stating transmission mechanism (6) includes master connecting-rod (61), slave connecting rod (62) and short connecting rod (63)；Described master connecting-rod (61) one end and the drive The power output end of dynamic motor (5) is fixedly connected；The valve body (1) is stretched out in described slave connecting rod (62) one end and the shaft (3) One end be fixedly connected；The both ends of the short connecting rod (63) freedom with the master connecting-rod (61) and the slave connecting rod (62) respectively End is hinged.

7. a kind of sintering machine tiny structure igniting automation zone control device according to claim 6, which is characterized in that institute State the junction of master connecting-rod (61) and the short connecting rod (63) and the connection of the slave connecting rod (62) and the short connecting rod (63) Place's pad is equipped with wear-resisting steel plate (64).

8. a kind of sintering machine tiny structure igniting automation zone control system characterized by comprising PLC all round computer (7), industrial personal computer (8) and the described in any item sintering machine tiny structure igniting automation zone control devices of claim 5 to 7, The PLC all round computer (7) respectively with the driving in the industrial personal computer (8) and the sintering machine tiny structure ignition control device The control terminal of motor (5) is electrically connected；The PLC all round computer (7) is used to be analyzed and processed sintering machine burning data, And guarantees that burner hearth is under zero positive pressure or micro-vacuum state and be sintered.

9. a kind of sintering machine tiny structure igniting automation zone control system according to claim 8, which is characterized in that institute PLC all round computer (7) are stated using TH-XX-5 control system, the data of comprehensive analysis include sintering machine main exhauster air quantity, point Fiery temperature, burning outlet temperature, exhaust gas temperature, lighting section bellows negative pressure and temperature, sintering machine machine speed, gas pressure and calorific value, One mixes two mixed moisture, mixture temperature, comburant (-rent) thickness, grate-layer material thickness, active combustion length and bellows quantity, column Plate height and drum strength.

10. a kind of sintering machine tiny structure igniting automation zone control system according to claim 8 or claim 9, feature exist In, further include with the industrial personal computer (8) be electrically connected phonetic alarm (9).

Technical field

The present invention relates to ignition of sintering process technical field, more particularly to a kind of valve and the sintering machine with it Tiny structure ignition control device and automatic control zone control system.

Background technique

Sintering machine is suitable for the sintering work of large-scale iron and steel industry sintering plant, it is that main body during down draft sintering is set It is standby, can be by different components, varigrained concentrate powder, rich ore powder sintering is blocking, and partially remove sulphur contained in ore, phosphorus etc. Objectionable impurities.Sintering machine is not a machine, but an engineering being made of several procedures, and main body includes that quick lime is broken The broken machine of glassware, heat, sieve, ingredient library, primary mixer room, second drum mixer room, sintering machine room, are pricked at coal (coke) powder crushing chamber in room Locellus etc..During sintering machine burning, the control for air feed of lighting a fire plays a key effect for combustion efficiency.

But the Boiler pressure control effect of the igniting wind control system of existing sintering machine is poor, and each region wind in burner hearth Pressure condition is unstable, is unfavorable for burning, and there are poor air permeability, coal gas to waste serious, sintering coke ratio content height, sinter return fine etc. Problem.

Therefore, the good valve of ignition Boiler pressure control effect can be guaranteed by how providing one kind, and can control it The sintering machine tiny structure igniting automation zone control device and system of valve regulated, are those skilled in the art's urgent need to resolve Problem.

Summary of the invention

In view of this, the present invention provides a kind of valve, suitable for the various places to air quantity with regulatory demand, manipulation Simply, easy to adjust.

To achieve the goals above, the present invention adopts the following technical scheme:

A kind of valve, comprising: valve body, fixed flap, shaft and movable flap；

The valve body is the frame structure of both ends open；

The side of the fixed flap is radially fixed on the inner wall of the valve body, and the cross section of the fixed flap is long Degree accounts for the 10% to 90% of the cross section length of the framework internal cavity；

The both ends of the shaft is rotatably connected on the inner wall of the valve body, and one end is pierced by the valve body, and for driving The driving portion connection of the shaft rotation；The side axial direction edge of the shaft and the disconnected edge of the fixed flap paste It closes；

A side of the activity flap along and the other side axial direction edge of the shaft fix, the activity flap its Its edge is bonded with the framework inner wall.

Through the above technical solutions, it is various right to be useful in the present invention provides a kind of valve adjusted for air quantity Air quantity has the place of demand for control, can be designed according to different use requirements to valve body shape；Meanwhile for shaft Position setting can also be installed according to the size of fixed flap；It can be realized by adjusting shaft rotation to movable flap The control of size is opened, it is easy to operate, easy to control.

Preferably, in a kind of above-mentioned valve, the valve body is cylindrical structure, and both ends edge has and outwardly protrudes Ring flange.Cylindrical structure is easy to by ring flange convenient for the shape of fixed flap and movable flap is arranged and needs to fix Position installation.

Preferably, in a kind of above-mentioned valve, the fixed flap and the movable flap are semicircle or class semi-circular shape, And the fixed flap and the movable flap arcuately side extended line can split form circle.It can guarantee fixed flap With closed performance when movable flap closure.

Preferably, in a kind of above-mentioned valve, the inner wall of the valve body has the rib of radial protrusion, the rib difference It is bonded with the surface of the fixed flap and the movable flap.The sealing of fixed flap and movable flap can be further increased Performance, while movable flap can be limited, open and close it in the same direction.

It lights a fire the present invention also provides a kind of sintering machine tiny structure and automates zone control device, above-mentioned valve is applied In sintering machine air feed, it can make to keep tiny structure fired state, high combustion efficiency in sintering machine burner hearth.

To achieve the goals above, the present invention adopts the following technical scheme:

A kind of sintering machine tiny structure igniting automation zone control device, comprising: driving motor, transmission mechanism, Yi Jishang The valve stated；

One end of the transmission mechanism is connect with the power output end of the driving motor, and shaft described in the other end stretches out institute State one end connection of valve body；The driving motor can drive the transmission mechanism to drive the shaft rotation.

Through the above technical solutions, the valve is applied in the air feed control device that sintering machine burns by the present invention, pass through The adjusting that tiny structure is realized to the air pressure inside burner hearth, the controllability adjusted due to the valve to air quantity are realized to the adjusting of valve It is relatively strong, it ensure that the reasonable effective of air feed, can guarantee that the present invention will be set inside burner hearth always in micro-vacuum state in burner hearth Micro-vacuum state is set to have the advantage that

(1) a large amount of cold airs are reduced to enter in burner hearth；

(2) it avoids lighting section charge level and is taken out tight situation, improve the gas permeability of the lighting section bed of material；

(3) Proper Match of air quantity, a large amount of coal gas needed for reducing igniting；

(4) bed of material is being improved, while increasing yield, sintering coke ratio content can be reduced；

(5) ignition results can be improved；

(6) sinter return fine can be reduced.

Preferably, in a kind of above-mentioned sintering machine tiny structure igniting automation zone control device, the transmission mechanism packet Include master connecting-rod, slave connecting rod and short connecting rod；Described master connecting-rod one end is fixedly connected with the power output end of the driving motor；It is described Slave connecting rod one end is fixedly connected with one end that the shaft stretches out the valve body；The both ends of the short connecting rod respectively with the main company The free end of bar and the slave connecting rod is hinged.It can quickly and easily realize the control to shaft, and setting by short connecting rod It sets, greatly shortens manipulation distance, driving stability is stronger.

Preferably, in a kind of above-mentioned sintering machine tiny structure igniting automation zone control device, the master connecting-rod and institute The junction of the junction and the slave connecting rod and the short connecting rod of stating short connecting rod, which is padded, is equipped with wear-resisting steel plate.It can be effective Prevent the movement between connecting rod from wearing.

It lights a fire the present invention also provides a kind of sintering machine tiny structure and automates zone control system, above-mentioned control device is answered In sintering machine air feed, the tiny structure fired state automatically kept in sintering machine burner hearth, high combustion efficiency can be made.

To achieve the goals above, the present invention adopts the following technical scheme:

A kind of sintering machine tiny structure igniting automation zone control system, comprising: PLC all round computer, industrial personal computer and Above-mentioned sintering machine tiny structure igniting automation zone control device, the PLC all round computer respectively with the industrial personal computer and The control terminal of driving motor in the sintering machine tiny structure ignition control device is electrically connected；The PLC all round computer is used It is analyzed and processed in sintering machine burning data, and guarantees that burner hearth is under zero positive pressure or micro-vacuum state and be sintered.

Through the above technical solutions, the present invention provides a kind of control sintering machine tiny structure igniting automatic controls of automation remote System is difficult to realize tiny structure igniting using scene input or simple long-range control before general sintering fan, while with falling Occurs card resistance when grid section, sintered ore materials are stifled, and the risks such as buy securities with all one's capital exist, and maintenance intensity is big.The automation control dress that the present invention uses It sets, sintering machine burning data can be analyzed and processed by PLC all round computer, the open state of valve is carried out in real time It adjusts, and then adjusts volume of air supply, realize the real-time adjusting control of micro-vacuum state in burner hearth, and then improve combustion efficiency.

Preferably, in a kind of above-mentioned sintering machine tiny structure igniting automation zone control system, the PLC COMPREHENSIVE CALCULATING Machine uses TH-XX-5 control system, and the data of comprehensive analysis include sintering machine main exhauster air quantity, firing temperature, burning terminal Temperature, exhaust gas temperature, lighting section bellows negative pressure and temperature, sintering machine machine speed, gas pressure and calorific value, one mix two mixed moisture, Mixture temperature, comburant (-rent) thickness, grate-layer material thickness, active combustion length and bellows quantity, breast board height and rotary drum are strong Degree.

It should be noted that above-mentioned state modulator is measured by following tool:

Sintering machine main exhauster air quantity is measured by anemobiagraph；

Firing temperature, burning outlet temperature, exhaust gas temperature and lighting section box temperature are measured by temperature sensor；

Lighting section bellows negative pressure is measured by anemobiagraph；

Sintering machine machine speed is the speed of machine set；

Gas pressure and calorific value are measured by pressure sensor and temperature sensor；

One two mixed moisture of mixing are measured by humidity sensor；

Mixture temperature is measured by temperature sensor；

Comburant (-rent) thickness, grate-layer material thickness, active combustion length are measured by infrared induction probe；

Bellows quantity, breast board height and drum strength are machine set numerical value.

The TH-XX-5 system that the present invention uses, the data and preset data that can be acquired to the sensor are divided Analysis, and valve is controlled by the transmission mechanism in sintering machine tiny structure igniting automation zone control device, this system It can be realized by using existing sintering machine control system, if the applying date is on April 10th, 2012, Authorization Notice No. is CN202675883U, patent name are the utility model patent of sintering machine main exhauster automatic control system, and which provide one Kind of sintering machine main exhauster automatic control system, including sensor unit, executing agency, PLC, industrial personal computer, sensor unit with The connection of PLC control signal, executing agency connect with the control output end PLC, and PLC is connect by Industrial Ethernet with industrial personal computer, The signal of acquisition is inputted PLC by sensor unit, and signal generates command adapted thereto control execution machine after carrying out calculation process in PLC The signal that the sensor unit acquires is sent to industrial personal computer by Industrial Ethernet simultaneously and stored by structure movement, PLC And display, PLC also receives the signal from industrial personal computer, and generates command adapted thereto control execution after carrying out calculation process according to signal Mechanism action.It is i.e. identical as the principle of TH-XX-5 system provided by the invention, it can be realized the corresponding function of the present invention.Meanwhile This system has following features:

(1) this system is independent series of products, can be with systems such as Siemens used by current sintering plant, Schneider, AB Docking, accessible its function of realization, system is with strong points, and has non-reproduction.

(2) this system docking sintering data and live preset data combine, by calculating, to guarantee automated system operation It is stable in the process, lasting, effective.

(3) when there is deviation for live real data and feedback, main system is equipped with exclusive subsystem: wrong data every From system；Automatic identification and confirmation, the isolation and exclusion of wrong data and the use of correct data and application, avoid mistake Data generate the calculated result of mistake to whole system.

(4) this system changes frequent feature for sintering operating condition, is equipped with man-machine interface, Field Force's needle by industrial personal computer It frequently can Freely input, modification respective surfaces data to operating condition variation.

(5) it is the stability and timeliness for ensuring system, in conjunction with actual working conditions, is implanted into BCS combustion optimizing system.

Preferably, in a kind of above-mentioned sintering machine tiny structure igniting automation zone control system, further include and the work The phonetic alarm that control machine is electrically connected.It is accurate to prompt for position of failure point, and keep a record, it, can be certainly after the completion of to be processed It is dynamic to eliminate alarm, and record, in order to improve the working efficiency of post work.

It can be seen via above technical scheme that compared with prior art, it is micro- negative that the present disclosure provides a kind of sintering machines Pressure point fire automates zone control device, has the advantages that

1, the present invention provides it is a kind of for air quantity adjust valve, can be useful in it is various to air quantity have demand for control Place, valve body shape can be designed according to different use requirements；Meanwhile it can also be with for the setting of the position of shaft It is installed according to the size of fixed flap；The control that can be realized to movable flap unlatching size is rotated by adjusting shaft, It is easy to operate, easy to control.

2, the valve is applied in the air feed control device of sintering machine burning by the present invention, is realized by the adjusting to valve The adjusting of tiny structure, which ensure that air feed since the controllability that the valve adjusts air quantity is stronger, to be realized to the air pressure inside burner hearth It is reasonable effectively, can guarantee in burner hearth always in micro-vacuum state.

3, micro-vacuum state of the invention burning has the advantage that reducing a large amount of cold airs enters in burner hearth；It avoids Lighting section charge level is taken out tight situation, improves the gas permeability of the lighting section bed of material；The Proper Match of air quantity reduces needed for igniting A large amount of coal gas；The bed of material is being improved, while increasing yield, sintering coke ratio content can be reduced；Ignition results can be improved；It can reduce Sinter return fine.

4, by setting short connecting rod, it can quickly and easily realize the control to shaft, greatly shorten manipulation distance, drive Dynamic stability is stronger.

5, the present invention provides a kind of automation remote control sintering machine tiny structure igniting automatic control system, general sintering changes Using scene input or simple long-range control before making, it is difficult to realize tiny structure igniting, while card resistance occur with when falling grid section, Sintered ore materials are stifled, and the risks such as buy securities with all one's capital exist, and maintenance intensity is big.The automatic control device that the present invention uses, can be comprehensive by PLC It closes computer to be analyzed and processed sintering machine burning data, the open state of valve is adjusted in real time, and then adjust and supply Air quantity, realizes the real-time adjusting control of micro-vacuum state in burner hearth, and then improves combustion efficiency.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.

Fig. 1 attached drawing is structural schematic diagram when valve provided by the invention is closed；

Structural schematic diagram when Fig. 2 attached drawing is valve opening provided by the invention；

Fig. 3 attached drawing is the side view of sintering machine tiny structure provided by the invention igniting automation zone control device；

Fig. 4 attached drawing is the top view of sintering machine tiny structure provided by the invention igniting automation zone control device；

When Fig. 5 attached drawing is valve closure in sintering machine tiny structure provided by the invention igniting automation zone control device Cross-sectional view；

When Fig. 6 attached drawing is valve opening in sintering machine tiny structure provided by the invention igniting automation zone control device Cross-sectional view；

Fig. 7 attached drawing is sintering machine tiny structure provided by the invention igniting automation zone control system connection schematic diagram.

Wherein:

1- valve body；

11- ring flange；

12- rib；

2- fixes flap；

3- shaft；

4- activity flap；

5- driving motor；

6- transmission mechanism；

61- master connecting-rod；

62- slave connecting rod；

63- short connecting rod；

64- wear-resisting steel plate；

7-PLC all round computer；

8- industrial personal computer；

9- phonetic alarm.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.