CN202382259U - Raw coke oven gas ignition diffusing control device - Google Patents

Raw coke oven gas ignition diffusing control device Download PDF

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Publication number
CN202382259U
CN202382259U CN2011205536089U CN201120553608U CN202382259U CN 202382259 U CN202382259 U CN 202382259U CN 2011205536089 U CN2011205536089 U CN 2011205536089U CN 201120553608 U CN201120553608 U CN 201120553608U CN 202382259 U CN202382259 U CN 202382259U
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China
Prior art keywords
burning torch
control
burning
valve
burner
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Expired - Lifetime
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CN2011205536089U
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Chinese (zh)
Inventor
汪安逸
尤春雨
亢晓嵘
惠秦川
宋洁
尹萍
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Polytron Technologies Inc in Beijing
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BEIJING BESTPOWER ELECTRICAL TECHNOLOGY Co Ltd
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Priority to CN2011205536089U priority Critical patent/CN202382259U/en
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Publication of CN202382259U publication Critical patent/CN202382259U/en
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Abstract

The utility model discloses a raw coke oven gas ignition diffusing control device, which comprises a PLC (programmable logic control) cabinet, a combustor, an igniter, burning torches, burning torch protectors, a cylinder control device, nitrogen purging burning torch devices, a fire gathering device, a fire suppressing device, a diffusing valve, an actuating mechanism, a UPS (uninterrupted power supply) system and a nitrogen and steam pipeline. The linear cylinder control device is connected with the two H-shaped redundant burning torches, during ignition, the H-shaped redundant burning torches are driven by cylinders to extend into an ignition region in the combustor to ignite, the H-shaped redundant burning torches are driven by the cylinders to withdraw into the burning torch protectors after ignition is successful, deformation and damage of the burning torches and ignition plugs due to high-temperature corrosion for a long time are effectively avoided, and impurities such as dust, rain and mud, coke oven compounds and the like which are attached onto the ignition plugs of the burning torches can be reduced. In addition, the nitrogen purging burning torch devices are assembled in the burning torch protectors, and an ignition performance and stability of the protectors are improved. Besides, the reliability and the stability of a traditional device are improved, the service life of the traditional device is prolonged, and safe and effective ignition diffusion of raw coke oven gas is realized by means of adopting the PLC cabinet as a core.

Description

Control device is diffused in a kind of coal oven dithio-gas igniting
Technical field
The utility model relates to a kind of Ignition Bleeding Devices of Coke Oven Crude Gas, relates in particular to make the more reliable and more stable coal oven dithio-gas igniting of igniting bleeding device diffuse control device in the application of burning torch resist technology.
Background technology
In the last few years; The particularly rapid expansion of steel industry of continuous development along with China's industry; The demand of STRENGTH ON COKE and auxiliary product thereof grows with each passing day, and big and small coke oven in all parts of the country constantly builds up and puts into operation, and how protecting environment to reduce and polluting becomes a sharp-pointed topic.
Coal oven dithio-gas is its main accessory substance and pollution sources in process of coking; When the raw coal gas recovery process section breaks down or has a power failure; Coal oven dithio-gas just needs the outer atmosphere that enter, for reduce pollute coking industry general adopt to set up get into atmosphere after an igniting bleeding device makes raw coke oven gas completing combustion.Yet traditional Ignition Bleeding Devices of Coke Oven Crude Gas effect is unsatisfactory and the later maintenance amount is big; Often the igniting bleeding device occurs and after putting into operation in a year or so, just misfire situation about can not normally move; To such an extent as to once tobacco was billowing on the coke oven of normal operation, and environment for human survival is caused very big destruction.
After the repeated multiple times on-the-spot investigation, find; The burning torch of the igniting bleeding device on the traditional handicraft is fixed on the burner ignition zone; Back burning torch sparking plug does not withdraw from the combustion zone lighting a fire successfully, and the burning torch sparking plug burns corrosion for a long time in raging fire, cause it to be easy to deformed damaged; Burning torch sparking plug long term exposure is in the coke oven adverse circumstances simultaneously, and a large amount of dusts, coke oven dust, rain mud are attached on the ignition electric nozzle, and electrode can not the arcing discharge can not diffuse by normal ignition it.
Summary of the invention
For solving problem and the defective that exists in above-mentioned, the utility model provides a kind of new Type Coke Oven raw coke oven gas igniting that is to overcome the defective of traditional coke oven igniting bleeding device to diffuse control device.Said technical scheme is following:
Control device is diffused in a kind of coal oven dithio-gas igniting, comprising:
PLC switch board, burner, igniter, burning torch, burning torch protective device, cylinder control unit, nitrogen purge the burning torch device, hold together fiery device, extinguishing device, diffuse valve and executing agency, UPS electric power system and nitrogen and jet chimney; The power supply of said PLC switch board is connected with said ups power system, and said burner is positioned at and diffuses valve top, and with diffuse valve and be connected; Valve and the fire valve of device and extinguishing device of lighting a coal fire with firewood is installed on the jet chimney and is communicated with burner; Said igniter is installed in the guard box and through cable and is connected with burning torch, and said burning torch is nested with in the burning torch protective device and through bindiny mechanism and is connected with cylinder piston rod; Said burning torch protective device purges the burning torch device with said nitrogen and is connected through purge hole.
The beneficial effect of the technical scheme that the utility model provides is:
Improved reliability, stability and the service life of conventional apparatus,, realized that coal oven dithio-gas is lighted a fire safely and effectively to diffuse through being core with the PLC switch board.
Description of drawings
Fig. 1 is that the control device structural representation is diffused in the coal oven dithio-gas igniting;
Fig. 2 is that cylinder, burning torch, burning torch protective device are connected sketch map with burner.
The specific embodiment
The characteristics of the coke oven collecting main igniting bleeding device that present embodiment provides are exactly to connect two H type redundant points firelocks through the straight line cylinder control device; Cylinder drives H type redundant points firelock and stretches in the burner ignition zone and light a fire in the process of igniting; When driving H type redundant points firelock, the successful exhaust hood of igniting returns to burning torch protective device inside; Reduce the meaningless arcing discharge time of burning torch sparking plug; Deformation and the damage effectively having avoided burning torch and sparking plug to be ablated and caused by long term high temperature, and can reduce impurity such as dust, rain mud and coke oven compound attached on the burning torch sparking plug; In the burning torch protective device, be furnished with simultaneously nitrogen and purge the burning torch device, package unit all adopts the UPS power supply, improves the stability of ignition performance and device.
For the purpose, technical scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model embodiment is done to describe in detail further below:
As shown in Figure 1; Showed the structure that control device is diffused in the coal oven dithio-gas igniting, comprised that PLC switch board 15, burner 1, igniter 2, burning torch 3, burning torch protective device 4, cylinder control unit 10, nitrogen purge burning torch device 11, hold together fiery device, extinguishing device, diffuse valve and executing agency 13, UPS electric power system 14 and nitrogen pipeline 18, jet chimney 19 and pressure temperature measuring unit; Above-mentionedly hold together fiery device and comprise holding together fire ring nozzle 6 and hold together fiery control valve 8 that said extinguishing device is made up of fire extinguishing ring nozzle 9 and fire extinguishing control valve 12.Said pressure temperature measuring unit comprises temperature detection thermocouple 5, and the temperature detection thermocouple is installed in the said burner.The power supply of said PLC switch board is connected with said ups power system, and said burner is positioned at and diffuses valve top, and with diffuse valve and be connected; Valve and the fire valve of device and extinguishing device of lighting a coal fire with firewood is installed on the jet chimney and is communicated with burner; Said igniter is installed in the guard box and through cable and is connected with burning torch, and said burning torch is nested with in the burning torch protective device and through bindiny mechanism and is connected with cylinder piston rod; Said burning torch protective device purges the burning torch device with said nitrogen and is connected through purge hole.
Above-mentioned burning torch is a H type redundant points firelock, and this burning torch is telescopic moving formula burning torch, and stretches out protective device through cylinder moving and connect into ignition zone in the burner.The burning torch protective device is the fan-shaped cylinder shape; And the pulley of draining guiding gutter, purge hole and support fixation burning torch device arranged in burning torch protective device set inside; Cylinder piston moves the drive burning torch and does stretching motion, and purge hole is connected with nitrogen purging device, and protective device is installed on horizontal plane and becomes 30 ℃ of angles and parallel with burning torch; Cylinder piston rod and burning torch protective device are on same inclined plane; The outlet of fan-shaped cambered surface is connected with burner, and H type redundant points firelock is installed in the protective device through pulley, and can drive burning torch through cylinder moving and export from fan-shaped cambered surface and stretch in the burner; Above-mentioned igniter is installed in the guard box on the spot, diffuses burner and pass through cable away from igniting to be connected with the burning torch afterbody.
Above-mentioned nitrogen purges the burning torch device and comprises nitrogen pipeline, control valve and two purge holes, and said purge hole is installed in the middle and upper part of burning torch protective device, and said control valve is installed in the lower position on the nitrogen pipeline.In burning torch is in protective device during static position, two purge holes over against the sparking plug position of two burning torches to purge the burning torch sparking plug through valve control nitrogen.
Said burner comprises cylindrical shell, flange, hurricane globe, interior pipe, honeycomb sheet, the device of lighting a coal fire with firewood, extinguishing device, support and temperature-detecting device; Burner and the welding of burning torch protective device; Said burner adopts high-quality heatproof, corrosion resistant stainless steel material to make, and burner is through two circular burning torch holes and the welding of burning torch protective device, and H type redundant points firelock can extend into the burner ignition zone through circular hole; The cover that leaks informaton is positioned at burner top; Cylindrical shell with diffuse the valve flange and be connected, hold together fiery device and extinguishing device spare be installed in the top and the bottom of pipe, and all be connected with control valve and control by holding together fiery valve and fire valve respectively with jet chimney; Temperature detecting unit is made up of K type thermocouple, and its measuring point is installed in the flame zone central point.The said burner combustion zone can make raw coke oven gas fully mix with air and reach the ideal burning effect.
The external 220V electric main of above-mentioned ups power system, output are access to the power unit of PLC control, and the ups power capacity is 3000VA, after plant area has a power failure, can power supply be provided for installing each equipment.
Device has PLC control system in the above-mentioned PLC switch board; This PLC control system comprises lighting a fire diffuses control device, Displaying Meter and control button; Said igniting is diffused control device and is stored in the CPU storage card, and Displaying Meter and control button device are on PLC switch board panel.
The control core that above-mentioned PLC switch board is a device; The S7-300PLC of Siemens control system and relay control circuit are housed in the cabinet; Control program is stored in the storage card of central processor CPU; The bottom is the binding post that is connected with each equipment in the cabinet, and action button and Displaying Meter are installed on the panel of switch board, can select the method for operation of igniting bleeding device through selector switch: automatic, semi-automatic, manual; Coke oven collecting main raw coke oven gas pressure is presented on the switch board panel meter through measuring instrument, and the burner temperature is presented on the control panel instrument through the thermocouple measurement unit.
At first, through the raw coke oven gas manometer igniting is set and diffuses pressure value P 1, finish igniting and diffuse pressure value P 2, P1 should be greater than the normal value of collecting main pressure, and P2 should be slightly less than the collecting main pressure normal value.
Then, select igniting bleeding device control model:
Elect as when automatic when control model, the raw coke oven gas pressure value P is kept watch on automatically through pressure measuring instruments by PLC control system, when pressure value P greater than P1 and time-delay 4s after the time, process is diffused in the starting ignition of giving an order of PLC control system; When pressure value P less than P2 and time-delay 2s after the time, PLC control system gives an order to start and stops igniting and diffuse process;
When control model is chosen as when semi-automatic, the PLC control system pattern of diffusing that stops to light a fire automatically gets into semi-automatic pattern, as long as when the collecting main pressure value is big, just can on the control panel of PLC switch board, a key starting ignition diffuse process; As long as the collecting main pressure value hour, just can start the process of diffusing of lighting a fire that finishes by a key on the control panel of PLC switch board;
When control model is chosen as when manual, PLC control system stops to diffuse pattern entering manual mode with half-automatic ignition automatically, under manual mode; Can come through the band button on the PLC cabinet control panel each equipment in the device is operated separately; Press and open the band button that diffuses valve, diffuse and open gradually after valve receives signal, reach the display lamp of back, position unlatching band button and light; Press and close the band button that diffuses valve; Diffuse and close gradually after valve receives signal, close the display lamp of closing the band button after putting in place and light, thereby each control appliance all has startup and stop button to control separately each equipment; Control loop under the manual mode is realized not relying on the PLC system through relay circuit, also can normally use when breaking down in the PLC system, thereby improve the reliability of system.
Process is diffused in igniting: the control system sends after starting ignition diffuses process, diffuse valve and open through executing agency, the higher raw coke oven gas of pressure from discharge through diffusing valve and get into burner and mixing with air; Cylinder control unit is done and is stretched out motion simultaneously; Stretch out from the ignition protection device through jockey H type redundant points firelock; Enter into begin after the burner ignition zone puts in place the igniting, H type Redundancy Design makes two burning torch sparking plugs at the ignition zone diverse location, thereby has improved ignition effectiveness; Temperature detection thermocouple in the burner detects the temperature back PLC control system identification that sharply raises and lights a fire successfully; Burning torch quits work; Retraction movement is done by cylinder control system; H type redundant points firelock returns in the burning torch protective device through jockey, thereby has avoided flame that the long term high temperature of burning torch is scorched the influence to the burning torch sparking plug of corrosion and dust, coke oven dust, rain mud, reduces the meaningless arcing discharge time of burning torch sparking plug; 10s opens the fiery valve retention flame later on, and igniting is diffused process and accomplished.
Finish igniting and diffuse process: the control system send start finish igniting and diffuse process after, diffuse valve and close through executing agency, hold together fiery valve simultaneously and close fire valve and open, steam gets into the inner knock down the flame of burner and prevents that also flame from getting into discharge; Time-delay 30s closes fire valve after temperature detecting unit detects flame and extinguished, and finishes the igniting process of diffusing and accomplishes.
Because the burning torch protective device is not a complete closed, has small amount of dust and coke oven dust inlet point firelock protective device attached on the sparking plug yet, influences ignition ability; When burning torch is in the static position in the protective device; Can manually boot nitrogen and purge the burning torch device, purge hole is over against the burning torch sparking plug, owing to adhering to of the mud that do not rain; Dust and dust can be clean by effective purging, thereby improved the ability to work of burning torch.
As shown in Figure 2; For cylinder, burning torch, burning torch protective device are connected diagrammatic sketch with burner; Burning torch is a H type redundant points firelock, and this H type redundant points firelock 3, cylinder piston rod 17, burning torch protective device 4 are on same inclined plane, and this inclined plane is horizontal by 30 ℃ of angles; Drive the redundant firelock of H type through cylinder moving and in burning torch protective device 4, do the linear telescopic motion, and can extend into burner 1 ignition zone that is provided with extinguishing device 9 and holds together fiery device 6 to the burning torch sparking plug.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and is all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims (7)

1. control device is diffused in a coal oven dithio-gas igniting; It is characterized in that said device comprises: PLC switch board, burner, igniter, burning torch, burning torch protective device, cylinder control unit, nitrogen purge the burning torch device, hold together fiery device, extinguishing device, diffuse valve and executing agency, UPS electric power system and nitrogen and jet chimney; The power supply of said PLC switch board is connected with said ups power system, and said burner is positioned at and diffuses valve top, and with diffuse valve and be connected; Valve and the fire valve of device and extinguishing device of lighting a coal fire with firewood is installed on the jet chimney and is communicated with burner; Said igniter is installed in the guard box and through cable and is connected with burning torch, and said burning torch is nested with in the burning torch protective device and through bindiny mechanism and is connected with cylinder piston rod; Said burning torch protective device purges the burning torch device with said nitrogen and is connected through purge hole.
2. control device is diffused in coal oven dithio-gas igniting according to claim 1; It is characterized in that; Said device also comprises the pressure temperature measuring unit, and this pressure temperature measuring unit comprises the temperature detection thermocouple, and the temperature detection thermocouple is installed in the said burner.
3. control device is diffused in coal oven dithio-gas igniting according to claim 1; It is characterized in that; Said burning torch is a H type redundant points firelock, and this burning torch is telescopic moving formula burning torch, and stretches out protective device through cylinder moving and connect into ignition zone in the burner.
4. control device is diffused in coal oven dithio-gas igniting according to claim 1; It is characterized in that; Said burning torch protective device is the fan-shaped cylinder shape, and in burning torch protective device set inside the pulley of draining guiding gutter, purge hole and support fixation burning torch device is arranged.
5. control device is diffused in coal oven dithio-gas igniting according to claim 1; It is characterized in that; Said nitrogen purges the burning torch device and comprises nitrogen pipeline, control valve and two purge holes; Said purge hole is installed in the middle and upper part of burning torch protective device, and said control valve is installed in the lower position on the nitrogen pipeline, to purge the burning torch sparking plug through valve control nitrogen.
6. control device is diffused in coal oven dithio-gas igniting according to claim 1; It is characterized in that; Said burner comprises cylindrical shell, flange, hurricane globe, interior pipe, honeycomb sheet, the device of lighting a coal fire with firewood, extinguishing device, support and temperature-detecting device, burner and the welding of burning torch protective device; The said cover that leaks informaton is positioned at burner top; Cylindrical shell with diffuse the valve flange and be connected, hold together fiery device and extinguishing device be installed in the top and the bottom of pipe, and all be connected with control valve with jet chimney; Temperature-detecting device is made up of K type thermocouple, and is installed in the flame zone central point.
7. control device is diffused in coal oven dithio-gas igniting according to claim 1; It is characterized in that; Device has PLC control system in the said PLC switch board; This PLC control system comprises lighting a fire diffuses control device, Displaying Meter and control button, and said igniting is diffused control device and is stored in the CPU storage card, and Displaying Meter and control button device are on PLC switch board panel.
CN2011205536089U 2011-12-27 2011-12-27 Raw coke oven gas ignition diffusing control device Expired - Lifetime CN202382259U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103851621A (en) * 2014-03-11 2014-06-11 徐秋苹 Automatic fire-controlled combustor
CN104791843A (en) * 2015-04-08 2015-07-22 马钢(集团)控股有限公司 Cold-state prefiring gas replacement operation method of full gas fired boiler
CN104893744A (en) * 2015-05-27 2015-09-09 济钢集团国际工程技术有限公司 Diffusing device at top of dry coke quenching furnace
CN105299658A (en) * 2015-10-29 2016-02-03 山东钢铁股份有限公司 Raw coal gas emission ignition device
CN105299659A (en) * 2015-10-29 2016-02-03 山东钢铁股份有限公司 Automatic coke oven emission ignition control system and control method
CN107327855A (en) * 2017-07-26 2017-11-07 柳州钢铁股份有限公司 Coal oven dithio-gas is diffused and igniter
CN107641517A (en) * 2017-10-23 2018-01-30 马鞍山钢铁股份有限公司 A kind of emergent ignition bleeding system of coal oven dithio-gas and its releasing method
CN109611884A (en) * 2018-10-31 2019-04-12 广东全过程工程咨询有限公司 A kind of closed coal burning room of coal-fired plant's fire coal with purification function
CN112393272A (en) * 2019-08-13 2021-02-23 中国石油化工股份有限公司 Changming lamp ignition gun with protection device and preparation process thereof

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103851621A (en) * 2014-03-11 2014-06-11 徐秋苹 Automatic fire-controlled combustor
CN104791843A (en) * 2015-04-08 2015-07-22 马钢(集团)控股有限公司 Cold-state prefiring gas replacement operation method of full gas fired boiler
CN104893744A (en) * 2015-05-27 2015-09-09 济钢集团国际工程技术有限公司 Diffusing device at top of dry coke quenching furnace
CN104893744B (en) * 2015-05-27 2017-03-15 济钢集团国际工程技术有限公司 A kind of dry coke quenching furnace roof bleeding device
CN105299659B (en) * 2015-10-29 2018-09-28 山东钢铁股份有限公司 A kind of coke oven automatic relief Iganition control system and control method
CN105299658A (en) * 2015-10-29 2016-02-03 山东钢铁股份有限公司 Raw coal gas emission ignition device
CN105299659A (en) * 2015-10-29 2016-02-03 山东钢铁股份有限公司 Automatic coke oven emission ignition control system and control method
CN107327855A (en) * 2017-07-26 2017-11-07 柳州钢铁股份有限公司 Coal oven dithio-gas is diffused and igniter
CN107327855B (en) * 2017-07-26 2023-06-06 柳州钢铁股份有限公司 Raw coke oven gas diffusing and igniting device
CN107641517A (en) * 2017-10-23 2018-01-30 马鞍山钢铁股份有限公司 A kind of emergent ignition bleeding system of coal oven dithio-gas and its releasing method
CN107641517B (en) * 2017-10-23 2023-11-03 马鞍山钢铁股份有限公司 Emergency ignition diffusing system and diffusing method for raw coke oven gas
CN109611884A (en) * 2018-10-31 2019-04-12 广东全过程工程咨询有限公司 A kind of closed coal burning room of coal-fired plant's fire coal with purification function
CN112393272A (en) * 2019-08-13 2021-02-23 中国石油化工股份有限公司 Changming lamp ignition gun with protection device and preparation process thereof
CN112393272B (en) * 2019-08-13 2022-05-24 中国石油化工股份有限公司 Changming lamp ignition gun with protection device and preparation process thereof

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Effective date of registration: 20171107

Address after: 100096, 18, 5, 518, East Building Road, Xisanqi, Beijing, Haidian District

Patentee after: Beijing Bestpower Worthysky Technology Co., Ltd.

Address before: 100096, Beijing Haidian District Xisanqi building materials East Road, No. 18, can Bai building

Patentee before: Beijing Bestpower Electrical Technology Co., Ltd.

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 100096 Beijing Haidian District Xisanqi building materials East Road 18, 5, 518 room.

Patentee after: Polytron Technologies Inc in Beijing

Address before: 100096 Beijing Haidian District Xisanqi building materials East Road 18, 5, 518 room.

Patentee before: Beijing Bestpower Worthysky Technology Co., Ltd.

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CX01 Expiry of patent term

Granted publication date: 20120815