CN109897654A - Coke oven automatic relief ignition control device and control method - Google Patents
Coke oven automatic relief ignition control device and control method Download PDFInfo
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- CN109897654A CN109897654A CN201711310643.6A CN201711310643A CN109897654A CN 109897654 A CN109897654 A CN 109897654A CN 201711310643 A CN201711310643 A CN 201711310643A CN 109897654 A CN109897654 A CN 109897654A
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Abstract
The present invention relates to a kind of coke oven automatic relief ignition control devices, it is characterized in that, the control device includes controller, release igniting side wireless communication apparatus, coal vehicle side wireless communication apparatus, 1# air-introduced machine state detection signal, 2# air-introduced machine state detection signal, gas piping, coal gas detection device, redundancy igniter and gas piping electrically-controlled valve, the release igniting side wireless communication apparatus installation is on the controller, coal vehicle side wireless communication apparatus is mounted on coal vehicle, heat (batch) number information and coal status information are passed to controller by wireless communication apparatus by coal vehicle, the control device judges automatically whether carry out release igniting by a kind of reliable control method, avoiding raw coke oven gas from not overflowing by release igniting leads to serious air pollution episode.
Description
Technical field
The present invention relates to a kind of coke oven automatic relief ignition control device and control methods, belong to Electrical Control Technology neck
Domain.
Background technique
Coke oven emission igniter is installed on the gas collecting tube of oven top of coke oven, structure chart and trigger flow figure such as Fig. 1 and Fig. 2 institute
Show, when the pressure regulating system of gas collecting tube 4 occurs abnormal, gas collecting tube mesohigh raw coke oven gas will be diffused by diffusing tower 6 and point
Fire is burnt, and the high pressure raw coke oven gas without burning is avoided to wash tedge 5 open and be directly discharged to cause serious environment in atmosphere
Contamination accident.Because device interlock protection is insufficient, the degree of automation is low, there are following some problems: 1) adding in actual use in it
For coal car 3 during 1 furnace roof coal of coke oven, raw coke oven gas fluctuation of pressure is larger in neighbouring gas collecting tube 4, will lead to release igniting dress
Setting 6, frequently unexpected triggering release, the pressure that the raw coke oven gas of release will lead to gas collecting tube further fluctuate exception；2) under normal circumstances
Raw coke oven gas in gas collecting tube 4 draws system 7 by chemical industry and takes away, and chemical industry 1# air-introduced machine 8 and 2# air-introduced machine 9 cooperate, and passes through gas collection
Pipe pressure regulating mechanism keeps raw coke oven gas pressure in gas collecting tube 4 to maintain 0-300Pa or so, once there is event in chemical industry induced draught system
Hinder (single air-introduced machine failure or two equal failures of air-introduced machine), the pressure of raw coke oven gas will be ramping up in gas collecting tube 4, diffused
Before igniter movement, has a large amount of high pressure raw coke oven gas and open the lid of tedge 5 and be discharged, lead to serious atmosphere pollution
Event；3) after ignition bleeding occurs, due to the failure of device itself, the raw coke oven gas reliable ignition that cannot will be diffused out causes tight
The air pollution episode of weight.In the case where environmental protection control is increasingly strict, the non-automated control of ignition bleeding device and exception
Huge hidden danger will be brought to safety in production and environmental protection.
Summary of the invention
The present invention exactly for the technical problems in the prior art, provides a kind of coke oven automatic relief ignition control dress
It sets, which judges automatically whether carry out release igniting by a kind of reliable control method, and raw coke oven gas is avoided not pass through
Release igniting overflows and leads to serious air pollution episode.
To achieve the goals above, technical scheme is as follows, a kind of coke oven automatic relief ignition control device,
Be characterized in that, the control device include controller, release igniting side wireless communication apparatus, coal vehicle side wireless communication apparatus,
1# air-introduced machine state detection signal, 2# air-introduced machine state detection signal, gas piping, coal gas detection device, redundancy igniter
With gas piping electrically-controlled valve, the release igniting side wireless communication apparatus is installed on the controller, coal vehicle side channel radio
News device is mounted on coal vehicle, and heat (batch) number information and coal status information are passed to control by wireless communication apparatus by coal vehicle
Device, 1# air-introduced machine state detection signal and 2# air-introduced machine state detection signal respectively indicate the operation of 1# air-introduced machine and 2# air-introduced machine
State is transmitted in controller for logic judgment, and the nozzle position that coal gas detection device is installed on desorption tube is attached for detecting
Whether closely with the presence of coal gas, while to lay a gas piping by each desorption tube, coal gas outgassing direction is desorption tube pipe
Mouthful position is equipped with gas piping electrically-controlled valve on the gas piping, and redundancy igniter is mounted on gas piping and desorption tube
Nozzle near, coal gas for discharging gas piping and desorption tube, which overflow the raw coke oven gas emergency without burning, to be lighted, wherein
Gas piping electrically-controlled valve and redundancy igniter are controlled by controller, for the urgent igniting of desorption tube nozzle position, by coal gas
The remaining gas-fired that detection device detects is fallen.Controller acquisition fluctuates related various information with collecting main pressure, is used for
Release igniter is carried out automatically controlling；Air-introduced machine state detection signal is used for controller transmitting chemical industry air-introduced machine state letter
Number (partial fault and whole failures)；Gas piping is used to at the top of diffusing tower provide emergency gas for ignition, coal gas detection device
Nearby whether there is the raw coke oven gas without burning to overflow for detecting diffusing tower nozzle, redundancy igniter is for releasing gas piping
The coal gas and gas collecting tube put, which overflow the raw coke oven gas emergency without burning, to be lighted, and gas piping electrically-controlled valve is for on-off gas piping
Coal gas,
A kind of coke oven automatic relief ignition control method, the control method are as follows: controller detects gas collecting tube pressure P, works as pressure
P is more than the 300Pa of setting and is continued above 15 seconds by force, and at this moment triggering release is lighted a fire to discharge the high pressure raw coke oven gas in gas collecting tube,
High pressure raw coke oven gas is avoided to pass through the non-burning discharges in positions such as tedge；It is shut down if chemical industry air-introduced machine has one i.e. part to break down
When, then release igniting is carried out immediately when gas collecting tube pressure reaches 300Pa or more, raw coke oven gas pressure in gas collecting tube is avoided persistently to rise
Height, if chemical industry air-introduced machine two are when being all disorderly closedown, to carry out release igniting immediately；Coal vehicle is carrying out coal work
When industry, the heat (batch) number information of coal operation and coal status information are passed to controller by coal vehicle, if controlling in release ignition process
Device processed detects that this section of collecting main pressure lower than 100Pa, then automatically cuts off the valve of desorption tube, stop ignition bleeding；When having not
I.e. Novel interior ignition fails when raw coke oven gas through burning overflows diffusing tower, and signal is passed to controller by coal gas detection device, controls
Device turns on the gas-fire pipeline electrically-controlled valve and redundancy igniter, and the Chang Minghuo lighted will burn the raw coke oven gas overflowed from diffusing tower
Fall, it is avoided to enter atmosphere pollution environment.Such as coal vehicle, in 1# carbonizing chamber position coal, the diffusing tower on side is A diffusing tower,
During coal in gas collecting tube raw coke oven gas pressure can the of short duration raising because of the variation of process conditions, if being put by normal flow
If scatterplot fire, it will lead to the big ups and downs of raw coke oven gas pressure in gas collecting tube around, be unfavorable for the adjusting of pressure in gas collecting tube, because
This, in this case, control system will carry out specially treated to the A diffusing tower release ignition condition beside coal vehicle, collect
Intratracheal pressure is more than 300Pa and is less than the maximum pressure that 350Pa(tedge lid remains turned-off permission) and maintain 15S or more
Release igniting is carried out, once gas collection intraductal pressure is more than 350Pa, to avoid in gas collecting tube high pressure raw coke oven gas from overflowing from tedge,
A diffusing tower is then subjected to release igniting immediately.
Compared with the existing technology, the invention has the advantages that, the program is by providing a kind of coke oven automatic relief igniting
Control device, and judge automatically whether carry out release igniting by a kind of reliable control method, it avoids raw coke oven gas from not passing through and puts
Scatterplot fire overflows and leads to serious air pollution episode.Chemical industry air-introduced machine state is participated in chain control, early to famine
Gas pressure is adjusted, and avoids the accident release of burst；Coal car state information is participated in chain control, is reduced to famine
Gas piping pressure is adjusted repeatedly, avoids the frequent fluctuation of pipeline pressure；Increase redundancy igniter, it is ensured that raw coke oven gas can
By lighting.
Detailed description of the invention
Fig. 1 ignition bleeding structure drawing of device；
Fig. 2 ignition bleeding device trigger flow figure；
Fig. 3 autoignition bleeding control device structure chart；
Fig. 4 autoignition bleeding control device trigger flow figure；
Wherein 1- coke oven ontology；2- stoke hole；3- coal vehicle；4- gas collecting tube；5- tedge；6- desorption tube；7- chemical industry induced duct
Road；8-1# air-introduced machine；9-2# air-introduced machine；10- control device；11- release igniting side wireless communication apparatus；The coal vehicle side 12- without
Line communication device；13-1# air-introduced machine state detection signal；14-2# air-introduced machine state detection signal；15- gas piping；16- coal
Gas detection device；17- redundancy igniter；18- gas piping electrically-controlled valve.
Specific embodiment:
In order to deepen the understanding of the present invention, the present embodiment is described in detail with reference to the accompanying drawing.
Embodiment: referring to Fig. 3, a kind of coke oven automatic relief ignition control device is mainly filled by controller 10, wireless telecommunications
Set 11 and 12,1# air-introduced machine state detection signal 13,2# air-introduced machine state detection signal 14, gas piping 15, coal gas detection dress
The composition such as 16, redundancy igniter 17 and gas piping electrically-controlled valve 18 is set, the release igniting side wireless communication apparatus 11 is installed
On controller 10, coal vehicle side wireless communication apparatus 12 is mounted on coal vehicle 3, and coal vehicle is by heat (batch) number information and coal
Status information passes to controller 10,1# air-introduced machine state detection signal 13 and the inspection of 2# air-introduced machine state by wireless communication apparatus
The operating status that signal 14 respectively indicates 1# air-introduced machine and 2# air-introduced machine is surveyed, is transmitted in controller 10 for logic judgment, coal
Whether gas detection device 16 is installed on the nozzle position of desorption tube 6 and puts for detecting nearby with the presence of coal gas, while for each
A gas piping 15 is laid by separate tube, coal gas outgassing direction is 6 nozzle position of desorption tube, is installed on the gas piping 15
There is gas piping electrically-controlled valve 18, redundancy igniter 17 is mounted near the nozzle of gas piping 15 and desorption tube 6, is used for coal
The coal gas and desorption tube 6 that feed channel 15 discharges, which overflow the raw coke oven gas emergency without burning, to be lighted, wherein gas piping electrically-controlled valve 18
It is controlled by controller 10 with redundancy igniter 17, for the urgent igniting of 6 nozzle position of desorption tube, by coal gas detection device 16
The remaining gas-fired detected is fallen.The acquisition of controller 10 fluctuates related various information with collecting main pressure, for release
Igniter carries out automatically controlling；Chemical industry air-introduced machine state detection signal 13 and 14, by taking the system containing two air-introduced machines as an example,
For transmitting chemical industry air-introduced machine status signal (partial fault and whole failures) to controller 10；Gas piping 15 is used for release
Top of tower provides emergency gas for ignition, and coal gas detection device 16 is for detecting whether diffusing tower nozzle nearby has the famine without burning
Coal gas overflows, and the coal gas and gas collecting tube that redundancy igniter 17 is used to discharge gas piping 15 overflow the raw coke oven gas without burning
Emergency is lighted, and gas piping electrically-controlled valve 18 is used for the coal gas of on-off gas piping 15.Automatic relief ignition control method flow chart
As shown in figure 4, coke oven automatic relief ignition control device acquires chemical industry air-introduced machine state detection signal, and pass through wireless telecommunications system
The status information of coal vehicle in system collection work, judges automatically whether raw coke oven gas pressure in gas collecting tube occurs by logical operation
It is abnormal, once judging that abnormal raising occurs in gas collection intraductal pressure, then starts starting release ignition system and carry out pressure release.
In coke oven normally produces, the raw coke oven gas pressure in gas collecting tube 4 stablizes fluctuation within the scope of 0-300Pa, in pressure
Desorption tube 6 could be opened more than 300Pa or more and after maintaining 15 seconds and carries out release igniting pressure release, avoid high pressure raw coke oven gas from rising
It is overflowed in the pipelines such as pipe 5.If cancel closedown occurs in chemical industry air-introduced machine 1# air-introduced machine 8, in gas collecting tube 4 and chemical industry air inducing pipeline 7
Raw coke oven gas pressure will necessarily rise, for avoid pressure acquisition lag caused by raw coke oven gas overflowed from tedge 5, at this moment control
Gas collecting tube internal pressure is powerful that release igniting is carried out as long as 300Pa as long as detection for system 10, if chemical industry air-introduced machine 1# air-introduced machine 8 and 2# draw
There is cancel closedown simultaneously in blower 9, then the pressure in gas collecting tube 4 and chemical industry air inducing pipeline 7 will necessarily steeply rise, to avoid pressing
Raw coke oven gas caused by power acquisition lag is overflowed from tedge, and at this moment control system 10 carries out release igniting immediately.
During oven top of coke oven coal 3 coal of vehicle, the raising that the raw coke oven gas fluctuation of pressure upper limit can be of short duration in gas collecting tube 4,
If will cause raw coke oven gas pressure in the gas collecting tube near stoke hole 2 by normal triggering release igniting process and sharply declined, gas collection
Pipe pressure regulating mechanism frequently will be adjusted substantially, be unfavorable for the stabilization of gas pressure intensity in gas collecting tube, and therefore, control system 10 passes through
Wireless communication apparatus 11 and 12 detects current location and the coal status information of coal vehicle, if detecting coal vehicle just in certain section
Gas collecting tube nearby carries out coal operation, and this section of collecting main pressure is fluctuated within the scope of 300Pa-350Pa more than 15S, then is carried out
Automatic relief igniting, if this section of collecting main pressure is more than 350Pa, to avoid tedge 5 from being opened by high pressure raw coke oven gas, then immediately into
The igniting of row automatic relief.
If control system 10 detects that this section of collecting main pressure lower than 100Pa, automatically cuts off and put in release ignition process
The valve of separate tube 6 stops ignition bleeding.In any link, if coal gas detection device 16 still detects have around desorption tube nozzle
Remaining raw coke oven gas exists, then starts the electrically-controlled valve 18 on gas piping 15 and be used to provide emergency gas for ignition to bleeder top,
Redundancy igniter 17 starts with a coal gas, and the raw coke oven gas of leakage is lighted, it is avoided to be directly discharged in atmosphere.
Specific implementation: referring to Fig. 3, the hardware platform of automatic relief igniter is established on desorption tube 6.Release igniting side
Wireless communication apparatus 11 and coal vehicle side wireless communication apparatus 12 are separately mounted on control device 10 and coal vehicle 3, coal vehicle 3
Can by during coal heat (batch) number information and status information control device 10,1# air-introduced machine passed to by wireless communication apparatus
State detection signal 13 and 2# air-introduced machine state detection signal 14 are transmitted in control device 10, and coal gas detection device 16 is installed on
The nozzle position of desorption tube 6, while a gas piping 15 is laid on each desorption tube 6, gas exit direction is being diffused
6 nozzle position of pipe is equipped with gas piping electrically-controlled valve 18 on gas piping 15, and redundancy igniter 17 is mounted on gas piping 15
Near 6 nozzle of desorption tube, coal gas and desorption tube 6 for discharging gas piping 15 overflow the raw coke oven gas emergency without burning
It lights, wherein gas piping electrically-controlled valve 18 and redundancy igniter 17 are controlled by control device 10.
After hardware device installs, automatic relief Iganition control system program is established to realize according to the control flow of Fig. 4
Diffuse the automatic control of igniting.Control system 10 detects gas collecting tube pressure P, when pressure P is more than the 300Pa of setting and is continued above
15 seconds, at this moment triggering release igniting avoided high pressure raw coke oven gas from passing through the portions such as tedge to discharge the high pressure raw coke oven gas in gas collecting tube
The non-burning discharge in position.If chemical industry air-introduced machine has one (part) failure to shut down, gas collecting tube pressure reach 300Pa with
Release igniting was carried out when upper immediately, raw coke oven gas pressure in gas collecting tube is avoided persistently to increase, if chemical industry air-introduced machine two (whole) equal
When for disorderly closedown, then release igniting is carried out immediately.For coal vehicle 3 when carrying out coal operation, coal vehicle is by the furnace of coal operation
Number information and coal status information pass to control system 10, such as coal vehicle in 1# carbonizing chamber position coal, the release on side
Tower is A diffusing tower, during coal in gas collecting tube raw coke oven gas pressure can the of short duration raising because of the variation of process conditions, if by just
If Chang Liucheng carries out release igniting, it will lead to the big ups and downs of raw coke oven gas pressure in gas collecting tube around, be unfavorable in gas collecting tube
The adjusting of pressure, therefore, in this case, control system 10 by beside coal vehicle A diffusing tower diffuse ignition condition into
Row specially treated is more than 300Pa in gas collection intraductal pressure and remains turned-off the maximum pressure of permission less than 350Pa(tedge lid)
And 15S or more is maintained just to carry out release igniting, once gas collection intraductal pressure is more than 350Pa, to avoid high pressure famine coal in gas collecting tube
Gas is overflowed from tedge, then A diffusing tower is carried out release igniting immediately.If control system detects the section in release ignition process
Collecting main pressure is lower than 100Pa, then automatically cuts off the valve of desorption tube 6, stops ignition bleeding.When there is the raw coke oven gas without burning
When overflowing diffusing tower (Novel interior ignition failure), signal is passed to control system 10 by coal gas detection device 16, and control system 10 is beaten
Turn on the gas pipeline electrically-controlled valve 18 and redundancy igniter 17, the Chang Minghuo lighted will burn the raw coke oven gas overflowed from diffusing tower
Fall, it is avoided to enter atmosphere pollution environment.
It should be noted that above-described embodiment, is not intended to limit the scope of protection of the present invention, in above-mentioned technical proposal
On the basis of made equivalents or substitution each fall within the range that the claims in the present invention are protected.
Claims (2)
1. a kind of coke oven automatic relief ignition control device, which is characterized in that the control device includes controller, release igniting
Side wireless communication apparatus, coal vehicle side wireless communication apparatus, 1# air-introduced machine state detection signal, 2# air-introduced machine state-detection letter
Number, gas piping, coal gas detection device, redundancy igniter and gas piping electrically-controlled valve, the release lights a fire side wireless telecommunications
Device is installed on the controller, and coal vehicle side wireless communication apparatus is mounted on coal vehicle, coal vehicle by heat (batch) number information and
Coal status information passes to controller, 1# air-introduced machine state detection signal and the inspection of 2# air-introduced machine state by wireless communication apparatus
The operating status that signal respectively indicates 1# air-introduced machine and 2# air-introduced machine is surveyed, is transmitted in controller for logic judgment, coal gas inspection
Survey device is installed on the nozzle position of desorption tube for whether detecting nearby with the presence of coal gas, while being deposited by each desorption tube
If a gas piping, coal gas outgassing direction is desorption tube nozzle position, and it is automatically controlled to be equipped with gas piping on the gas piping
Valve, redundancy igniter are mounted near the nozzle of gas piping and desorption tube, the coal gas for discharging gas piping and are put
Raw coke oven gas emergency of the separate tube spilling without burning is lighted, and wherein gas piping electrically-controlled valve and redundancy igniter are controlled by control
Device, for the urgent igniting of desorption tube nozzle position, the remaining gas-fired that coal gas detection device is detected is fallen.
2. a kind of coke oven automatic relief ignition control method, which is characterized in that the control method is as follows: controller detects gas collection
Pipe pressure P, when pressure P is more than the 300Pa of setting and is continued above 15 seconds, at this moment triggering release igniting is to discharge in gas collecting tube
High pressure raw coke oven gas avoids high pressure raw coke oven gas from passing through the non-burning discharges in positions such as tedge；If chemical industry air-introduced machine has one i.e. part
When failure is shut down, then release igniting is carried out immediately when gas collecting tube pressure reaches 300Pa or more, avoid waste coal in gas collecting tube
Air pressure persistently increases by force, if chemical industry air-introduced machine two are when being all disorderly closedown, to carry out release igniting immediately；Coal vehicle
When carrying out coal operation, the heat (batch) number information of coal operation and coal status information are passed to controller by coal vehicle, diffuse point
If controller detects that this section of collecting main pressure lower than 100Pa, automatically cuts off the valve of desorption tube, stop igniting during fire
Release；When there is the raw coke oven gas without burning to overflow diffusing tower, i.e. Novel interior ignition fails, and coal gas detection device passes to signal
Controller, controller turn on the gas-fire pipeline electrically-controlled valve and redundancy igniter, and the Chang Minghuo lighted will be overflowing from diffusing tower
Raw coke oven gas is burnt, it is avoided to enter atmosphere pollution environment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711310643.6A CN109897654B (en) | 2017-12-11 | 2017-12-11 | Automatic diffusion ignition control device and control method for coke oven |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711310643.6A CN109897654B (en) | 2017-12-11 | 2017-12-11 | Automatic diffusion ignition control device and control method for coke oven |
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| CN109897654A true CN109897654A (en) | 2019-06-18 |
| CN109897654B CN109897654B (en) | 2021-04-06 |
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| US4045299A (en) * | 1975-11-24 | 1977-08-30 | Pennsylvania Coke Technology, Inc. | Smokeless non-recovery type coke oven |
| US4399361A (en) * | 1981-05-29 | 1983-08-16 | Rca Corporation | Device for multisample infrared analysis of materials in microgram quantity |
| JPH08193194A (en) * | 1995-01-18 | 1996-07-30 | Nkk Corp | Gas igniter for charging car for coke oven |
| CN102191369A (en) * | 2011-04-25 | 2011-09-21 | 宝钢工程技术集团有限公司 | Ignition control system of cold-rolling continuous annealing furnace |
| CN102358705A (en) * | 2011-08-17 | 2012-02-22 | 范峪铭 | Process for producing sintered ceramsite by using solid waste materials, and system thereof |
| CN203837018U (en) * | 2014-03-27 | 2014-09-17 | 上海梅山钢铁股份有限公司 | Safe diffusing and igniting device for bleeder of coke oven |
| CN106191371A (en) * | 2015-05-26 | 2016-12-07 | 上海梅山钢铁股份有限公司 | Revolving furnace sublance automatic control system and control method |
| CN106753444A (en) * | 2016-11-30 | 2017-05-31 | 宝山钢铁股份有限公司 | The control method and system of a kind of coke oven coke oven uprising tube |
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2017
- 2017-12-11 CN CN201711310643.6A patent/CN109897654B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4045299A (en) * | 1975-11-24 | 1977-08-30 | Pennsylvania Coke Technology, Inc. | Smokeless non-recovery type coke oven |
| US4399361A (en) * | 1981-05-29 | 1983-08-16 | Rca Corporation | Device for multisample infrared analysis of materials in microgram quantity |
| JPH08193194A (en) * | 1995-01-18 | 1996-07-30 | Nkk Corp | Gas igniter for charging car for coke oven |
| CN102191369A (en) * | 2011-04-25 | 2011-09-21 | 宝钢工程技术集团有限公司 | Ignition control system of cold-rolling continuous annealing furnace |
| CN102358705A (en) * | 2011-08-17 | 2012-02-22 | 范峪铭 | Process for producing sintered ceramsite by using solid waste materials, and system thereof |
| CN203837018U (en) * | 2014-03-27 | 2014-09-17 | 上海梅山钢铁股份有限公司 | Safe diffusing and igniting device for bleeder of coke oven |
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