CN105295963A - Crude gas cleaning device for coke oven discharging pipe and control method thereof - Google Patents
Crude gas cleaning device for coke oven discharging pipe and control method thereof Download PDFInfo
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- CN105295963A CN105295963A CN201510718455.1A CN201510718455A CN105295963A CN 105295963 A CN105295963 A CN 105295963A CN 201510718455 A CN201510718455 A CN 201510718455A CN 105295963 A CN105295963 A CN 105295963A
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- coke oven
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Abstract
The embodiment of the invention discloses a crude gas cleaning device for a coke oven discharging pipe and a control method thereof. The crude gas cleaning device comprises a cleaning gas path switch, a nitrogen supply device and a nitrogen pipeline. The cleaning gas path switch and the nitrogen pipeline each comprise a gas inlet and a gas outlet, the gas inlet of the cleaning gas path switch is communicated with the nitrogen supply device, the gas outlet of the cleaning gas path switch is communicated with the gas inlet of the nitrogen pipeline, and the gas outlet of the nitrogen pipeline is embedded into the coke oven discharging pipe. When the coke oven discharging pipe completes discharging, the cleaning gas path switch is turned on, nitrogen generated by the nitrogen supply device can enter the nitrogen pipeline through the cleaning gas path switch and enter the coke oven discharging pipe finally so as to remove crude gas in the coke oven discharging pipe completely, and then potential safety hazards caused when the crude gas accumulates in the discharging pipe are eliminated.
Description
Technical field
The present invention relates to coking industry coking technology field, particularly relate to a kind of coke oven emission pipe raw gas clearing apparatus and control method thereof.
Background technology
Can produce a large amount of raw gas in coke oven production process accumulates in coke oven collecting main, and coke oven emission pipe is exactly the pipeline of periodic exhaustion raw gas.When the air pressure that the raw gas deposited in coke oven collecting main produces exceedes normal value, by opening the flap valve between coke oven collecting main and coke oven emission pipe, raw gas in coke oven collecting main is discharged, also has portfire in the raw gas outlet of bleeder simultaneously, for raw gas is lighted, preventing pollution environment.
In prior art, after the complete raw gas of coke oven emission tube drainage, owing to there is no clearing apparatus, part raw gas is caused to get rid of, accumulate between flap valve to diffusion mouth, this part raw gas can only rely on buoyancy to be slowly diffused in air and go, and causes environmental pollution like this.And the diffusion process time length is long, raw gas has the features such as inflammable and explosive again, very easily produces security incident in diffusion process.
Summary of the invention
Provide a kind of coke oven emission pipe raw gas clearing apparatus and control method thereof in the embodiment of the present invention, raw gas cannot be discharged problem completely to solve coke oven emission pipe in prior art.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses following technical scheme:
A kind of coke oven emission pipe raw gas clearing apparatus, comprising: cleaning air circuit breaker, nitrogen air feeder and nitrogen pipeline, wherein:
Described cleaning air circuit breaker and nitrogen pipeline include inlet mouth and air outlet;
The inlet mouth of described cleaning air circuit breaker is connected with described nitrogen air feeder, air outlet is connected with the inlet mouth of described nitrogen pipeline, and the air outlet of described nitrogen pipeline embeds and is arranged in coke oven emission pipe.
Preferably, described cleaning air circuit breaker comprises magnetic valve;
Described nitrogen pipeline comprises the first nitrogen pipeline and the second nitrogen pipeline, and the two ends of described first nitrogen pipeline are communicated with the inlet mouth of described nitrogen air feeder and described magnetic valve respectively; The air outlet of described magnetic valve is connected with the inlet mouth of described second nitrogen pipeline, and the air outlet of described second nitrogen pipeline embeds and is arranged in coke oven emission pipe.
Preferably, also comprise Controlling System, described Controlling System is electrically connected with described magnetic valve;
Preferably, also comprise by-pass valve, described by-pass valve two ends are connected with the second nitrogen tube with described first nitrogen tube respectively.
Preferably, described Controlling System comprises pressure unit and DCS system and output module, and described pressure unit is electrically connected with described DCS system and output module.
Preferably, described pressure unit comprises pressure transmitter, and described pressure transmitter is electrically connected with described DCS system and output module, and described pressure transmitter is fixedly installed in coke oven collecting main.
Preferably, described by-pass valve is provided with by-pass valve switch, and by-pass valve described in described by-pass valve on-off control opens or cuts out.
Preferably, also comprise local controlling box, described local controlling box is electrically connected with described magnetic valve and pressure unit respectively.
Preferably, described Controlling System also comprises time setting module, and described time setting module is electrically connected with described DCS system and output module.
A kind of coke oven emission pipe raw gas clearing apparatus control method, described method comprises:
Pressure unit detects the atmospheric pressure value in coke oven collecting main in real time, and described atmospheric pressure value is sent to Controlling System;
Described Controlling System, according to the described atmospheric pressure value obtained, generates and sends different steering orders;
Magnetic valve receives described steering order, and opens or closes electromagnetic valve switch according to described steering order, thus control nitrogen enters coke oven emission pipe or cut-off.
Preferably, described Controlling System, according to the atmospheric pressure value in the coke oven collecting main obtained, generates and sends different steering orders, comprising:
Preset an air pressure threshold value;
Judge the size of described atmospheric pressure value and described air pressure threshold value, and export judged result;
Generate according to described judged result and send steering order.
Preferably, described magnetic valve receives described steering order, and opens or closes electromagnetic valve switch according to described steering order, comprising:
Magnetic valve receives and judges the type of described steering order;
If described steering order is magnetic valve OPEN, control to open magnetic valve; Or,
If described steering order is closed electromagnetic valve instruction, control shut electromagnetic valve.
From above technical scheme, a kind of coke oven emission pipe raw gas clearing apparatus that the embodiment of the present invention provides and control method thereof, comprise: cleaning air circuit breaker, nitrogen air feeder and nitrogen pipeline, wherein: described cleaning air circuit breaker and nitrogen pipeline include inlet mouth and air outlet, the inlet mouth of described cleaning air circuit breaker is connected with described nitrogen air feeder, air outlet is connected with the inlet mouth of described nitrogen pipeline, and the air outlet of described nitrogen pipeline embeds and is arranged in coke oven emission pipe.After coke oven emission pipe diffuses, open cleaning air circuit breaker, the nitrogen that described nitrogen air feeder produces can by cleaning air circuit breaker, enter into nitrogen pipeline, finally enter into coke oven emission pipe, raw gas in coke oven emission pipe is got rid of clean, eliminate the potential safety hazard that raw gas produces in bleeder inner accumulated.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of coke oven emission pipe raw gas clearing apparatus that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the another kind of coke oven emission pipe raw gas clearing apparatus that Fig. 2 provides for the embodiment of the present invention.
In Fig. 1-2, symbol is expressed as:
1-Controlling System, 2-magnetic valve, 3-nitrogen air feeder, 401-first nitrogen pipeline, 402-second nitrogen pipeline, 5-by-pass valve, 6-pressure unit, 7-DCS system and output module, 8-pressure transmitter, 9-by-pass valve switch, the local controlling box of 10-, 11-time setting module.
Embodiment
Technical scheme in the present invention is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
See Fig. 1, for the structural representation of a kind of coke oven emission pipe raw gas clearing apparatus that the embodiment of the present invention provides, described coke oven emission pipe changes coal gas clearing apparatus and comprises: Controlling System 1, cleaning air circuit breaker, nitrogen air feeder 3, nitrogen pipeline and local controlling box 10.Cleaning air circuit breaker in the coke oven emission pipe raw gas clearing apparatus that the present embodiment provides is magnetic valve 2, described Controlling System 1 is for controlling described magnetic valve 2, described magnetic valve 2 and nitrogen pipeline include inlet mouth and air outlet, the inlet mouth of described magnetic valve 2 is connected with described nitrogen air feeder 3, air outlet is connected with the inlet mouth of described nitrogen pipeline, and the air outlet of described nitrogen pipeline embeds and is arranged in coke oven emission pipe.
Described Controlling System 1 comprises pressure unit 6, DCS system and output module 7 and time setting module 11, and described pressure unit 6 and time set certain block 11 and is all electrically connected with DCS system and output module 7;
Pressure unit 6 comprises again pressure transmitter 8, and described pressure transmitter 8 is fixedly installed in coke oven emission pipe, and described pressure transmitter 8 is for detecting the atmospheric pressure value in coke oven emission pipe in real time;
DCS system and output module 7 transmit for pressure unit described in real-time reception 6 the atmospheric pressure value of coming, and judge, send different steering orders and export, and are used for controlling the switch of described magnetic valve 2.
Time setting module 11, for inputting setting-up time, and by the time tranfer of setting in described DCS system and output module 7, for controlling the time of nitrogen purging coke oven emission pipe.
Nitrogen pipeline comprises again the first nitrogen pipeline 401 and the second nitrogen pipeline 402, and the two ends of described first nitrogen pipeline 401 are communicated with the inlet mouth of described nitrogen air feeder 3 and described magnetic valve 2 respectively; The air outlet of described magnetic valve 2 is connected with the inlet mouth of described second nitrogen pipeline 402, the air outlet of described second nitrogen pipeline 402 embeds and is arranged in coke oven emission pipe, nitrogen flows through magnetic valve 2 by described first nitrogen pipeline 401, enter into coke oven emission pipe by the second nitrogen pipeline 402, the raw gas of remnants is got rid of clean.
Coke oven emission pipe raw gas clearing apparatus in the present embodiment is provided with local controlling box 10, and described local controlling box 10 is electrically connected with described magnetic valve 2 and pressure unit 6 respectively.PLC, trip switch and rly. etc. are provided with in described local controlling box 10.If encounter power failure or fault, DCS system and output module 7 cannot control described magnetic valve 2 switch normally, now the pressure data in coke oven collecting main is transferred to the PLC in described local controlling box 10 by described pressure unit 6, after described PLC analyzing and processing, then operator are according to operation instruction, by magnetic valve 2 described in described trip switch, complete raw gas cleaning works.
In the present embodiment, coke oven emission pipe raw gas clearing apparatus control method is specially:
Pressure unit 6 detects atmospheric pressure value in coke oven collecting main by pressure transmitter 8 and sends DCS system and output module 7 to, has preset air pressure threshold value in DCS system and output module 7.
If coke oven emission does not also terminate, described DCS system and output module 7 receive the force value come from pressure unit 6 transmission and are greater than the air pressure threshold value preset, now DCS system and output module 7 send closed electromagnetic valve instruction, because now magnetic valve 2 is in closing condition, therefore magnetic valve 2 can keep original state constant.
If after coke oven emission pipe diffuses, coke oven emission flap valve cuts out, described DCS system and output module 7 receive the force value come from pressure unit 6 transmission and are less than the air pressure threshold value preset, now DCS system and output module 7 send magnetic valve 2 OPEN to magnetic valve 2, described magnetic valve 2 receives the switch opens of Controlling solenoid valve 2 after OPEN, the nitrogen that now nitrogen air feeder 3 produces flows through magnetic valve 2 by the first nitrogen pipeline 401 and enters the second nitrogen pipeline 402, then coke oven emission pipe is entered into, raw gas in bleeder is purged.
After the closedown of coke oven emission flap valve, raw gas gathers, air pressure now in coke oven collecting main is inevitable can become again large, described DCS system and output module 7 receive the force value come from pressure unit 6 transmission and are greater than the air pressure threshold value preset, now DCS system and output module 7 send closed electromagnetic valve instruction, because now magnetic valve 2 is in opened condition, therefore magnetic valve 2 can cut out.
But in order to ensure to clean effect, the nitrogen purging time can be set by time setting module 11, and the general setting nitrogen purging time is 2-3 minute, is certainly not limited to described numerical value.Such magnetic valve 2 after purging 2-3 minute, can complete shutoff operation.
If said process cannot complete automatically, also by the open and close of local controlling box 10 Non-follow control magnetic valve 2, complete whole purge.
As seen from the above-described embodiment, the coke oven emission pipe raw gas clearing apparatus provided in the present embodiment comprises Controlling System 1, magnetic valve 2, nitrogen air feeder 3, nitrogen pipeline and local controlling box 10, and the inlet end of described magnetic valve 2 is connected with described nitrogen air feeder 3, outlet side is connected with the inlet end of described nitrogen pipeline.Described Controlling System 1 detects in real time atmospheric pressure value in coke oven collecting main and Controlling solenoid valve 2 opens and closes, the nitrogen gas stream produced in nitrogen air feeder 3 is made to enter coke oven emission pipe through magnetic valve 2, after purging, magnetic valve 2 cuts out, nitrogen is circulated end, magnetic valve 2 can also be opened and closed by local controlling box 10 manual hand manipulation, complete the purging to raw gas in coke oven bleeder.The automatization of described automatic cleaning device and Long-distance Control, raw gas residual in coke oven emission pipe is got rid of clean by nitrogen, eliminate the potential safety hazard that raw gas produces in bleeder inner accumulated, simultaneously, using nitrogen as cleaning medium, make use of nitrogen stable chemical nature and the low advantage of cost, ensure that the security of cleaning process.
Corresponding with a kind of coke oven emission pipe raw gas clearing apparatus embodiment provided by the invention, present invention also offers the embodiment of another kind of coke oven emission pipe raw gas clearing apparatus.
See Fig. 2, for the structural representation of the another kind of coke oven emission pipe raw gas clearing apparatus that the embodiment of the present invention provides, the coke oven emission pipe provided in the present embodiment as described in Figure changes coal gas clearing apparatus and comprises: Controlling System 1, cleaning air circuit breaker, nitrogen air feeder 3, nitrogen pipeline and local controlling box 10.
Compared with above-described embodiment, the cleaning air circuit breaker in the coke oven emission pipe raw gas clearing apparatus that the present embodiment provides comprises magnetic valve 2 and by-pass valve 5, identical all with above-mentioned coke oven emission pipe raw gas clearing apparatus of other structures.
Described by-pass valve 5 two ends are connected with the second nitrogen tube (402) with described first nitrogen tube (401) respectively, and described by-pass valve 5 is provided with by-pass valve switch 9, and described by-pass valve switch 9 is for opening and closing by-pass valve 5.
If when magnetic valve 2 breaks down or circuit goes wrong, nitrogen can be controlled enter coke oven emission pipe by opening by-pass valve 5, after then purging 2-3 minute, manually close by-pass valve 5.
Other structures of the coke oven emission pipe raw gas clearing apparatus provided in the present embodiment and apparatus control method, same with the above-mentioned embodiment, see above-described embodiment, can not repeat them here.
As seen from the above-described embodiment, the coke oven emission pipe raw gas clearing apparatus provided in the present embodiment is provided with by-pass valve 5, described by-pass valve 5 is provided with by-pass valve switch 9, and the inlet end of described by-pass valve 5 is connected with described nitrogen air feeder 3 by the first nitrogen tube 401, outlet side is connected with the inlet end of described second nitrogen tube 402.Like this when running into power failure or automatic control system fault, not exclusively can rely on described magnetic valve 2, open by-pass valve 5 manually and just can complete purging to raw gas residual in coke oven bleeder, then Artificial Control purge time, close by-pass valve 5, whole purge is convenient and swift.
Each embodiment in this specification sheets all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.Device embodiment described above is only schematic, the wherein said unit illustrated as separating component or can may not be and physically separates, parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple NE.Some or all of module wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
It should be noted that, in this article, the such as relational terms of " first " and " second " etc. and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the specific embodiment of the present invention, those skilled in the art is understood or realizes the present invention.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (12)
1. a coke oven emission pipe raw gas clearing apparatus, is characterized in that, comprising: cleaning air circuit breaker, nitrogen air feeder (3) and nitrogen pipeline, wherein:
Described cleaning air circuit breaker and nitrogen pipeline include inlet mouth and air outlet;
The inlet mouth of described cleaning air circuit breaker is connected with described nitrogen air feeder (3), air outlet is connected with the inlet mouth of described nitrogen pipeline, and the air outlet of described nitrogen pipeline embeds and is arranged in coke oven emission pipe.
2. coke oven emission pipe raw gas clearing apparatus according to claim 1, it is characterized in that, described cleaning air circuit breaker comprises magnetic valve (2);
Described nitrogen pipeline comprises the first nitrogen pipeline (401) and the second nitrogen pipeline (402), and the two ends of described first nitrogen pipeline (401) are communicated with the inlet mouth of described nitrogen air feeder (3) and described magnetic valve (2) respectively; The air outlet of described magnetic valve (2) is connected with the inlet mouth of described second nitrogen pipeline (402), and the air outlet of described second nitrogen pipeline (402) embeds and is arranged in coke oven emission pipe.
3. coke oven emission pipe raw gas clearing apparatus according to claim 2, is characterized in that, also comprise Controlling System (1), described Controlling System (1) is electrically connected with described magnetic valve (2).
4. coke oven emission pipe raw gas clearing apparatus according to claim 2, it is characterized in that, also comprise by-pass valve (5), described by-pass valve (5) two ends are connected with the second nitrogen tube (402) with described first nitrogen tube (401) respectively.
5. coke oven emission pipe raw gas clearing apparatus according to claim 3, it is characterized in that, described Controlling System (1) comprises pressure unit (6) and DCS system and output module (7), and described pressure unit (6) is electrically connected with described DCS system and output module (7).
6. coke oven emission pipe raw gas clearing apparatus according to claim 5, it is characterized in that, described pressure unit (6) comprises pressure transmitter (8), described pressure transmitter (8) is electrically connected with described DCS system and output module (7), and described pressure transmitter (8) is fixedly installed in coke oven collecting main.
7. coke oven emission pipe raw gas clearing apparatus according to claim 4, it is characterized in that, described by-pass valve (5) is provided with by-pass valve switch (9), and described by-pass valve switch (9) controls described by-pass valve (5) and opens or close.
8. coke oven emission pipe raw gas clearing apparatus according to claim 5, it is characterized in that, also comprise local controlling box (10), described local controlling box (10) is electrically connected with described magnetic valve (2) and pressure unit (6) respectively.
9. coke oven emission pipe raw gas clearing apparatus according to claim 5, it is characterized in that, described Controlling System also comprises time setting module (11), and described time setting module (11) is electrically connected with described DCS system and output module (7).
10. a coke oven emission pipe raw gas clearing apparatus control method, is characterized in that, described method comprises:
Pressure unit (6) detects the atmospheric pressure value in coke oven collecting main in real time, and described atmospheric pressure value is sent to Controlling System (1);
Described Controlling System (1), according to the described atmospheric pressure value obtained, generates and sends different steering orders;
Magnetic valve (2) receives described steering order, and opens or closes electromagnetic valve switch according to described steering order, thus control nitrogen enters coke oven emission pipe or cut-off.
11. coke oven emission pipe raw gas clearing apparatus control methods according to claim 10, is characterized in that, described Controlling System (1), according to the atmospheric pressure value in the coke oven collecting main obtained, generates and sends different steering orders, comprising:
Preset an air pressure threshold value;
Judge the size of described atmospheric pressure value and described air pressure threshold value, and export judged result;
Generate according to described judged result and send steering order.
12. coke oven emission pipe raw gas clearing apparatus control methods according to claim 10, it is characterized in that, described magnetic valve (2) receives described steering order, and opens or closes electromagnetic valve switch according to described steering order, comprising:
Magnetic valve (2) receives and judges the type of described steering order;
If described steering order is magnetic valve OPEN, control to open magnetic valve (2); Or,
If described steering order is closed electromagnetic valve instruction, control shut electromagnetic valve (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510718455.1A CN105295963A (en) | 2015-10-29 | 2015-10-29 | Crude gas cleaning device for coke oven discharging pipe and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510718455.1A CN105295963A (en) | 2015-10-29 | 2015-10-29 | Crude gas cleaning device for coke oven discharging pipe and control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109590293A (en) * | 2018-12-10 | 2019-04-09 | 长沙中联消防机械有限公司 | Gas purge system, fire fighting truck and control method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3685950A (en) * | 1969-06-23 | 1972-08-22 | Mitsubishi Electric Corp | Combustion apparatus for mixing fuel and air in divided portions |
| CN101575525A (en) * | 2008-05-07 | 2009-11-11 | 中冶焦耐自动化系统有限公司 | Device and method for controlling diffusion of gas collecting pipe |
| CN201433236Y (en) * | 2009-07-16 | 2010-03-31 | 新疆八一钢铁股份有限公司 | Emergency shut-down and automatic purging device for gas-fired furnace |
| CN101725997A (en) * | 2009-12-15 | 2010-06-09 | 攀枝花新钢钒股份有限公司 | Hearth safety monitoring method |
| CN201737913U (en) * | 2010-07-19 | 2011-02-09 | 启东市海信机械有限公司 | Coal gas processing device for ignition |
| CN103980919A (en) * | 2014-05-19 | 2014-08-13 | 攀钢集团西昌钢钒有限公司 | Coke oven gas pipeline of boiler and cleaning method thereof |
| CN205046044U (en) * | 2015-10-29 | 2016-02-24 | 山东钢铁股份有限公司 | Coke oven exhaust stack raw coke oven gas cleaning device |
-
2015
- 2015-10-29 CN CN201510718455.1A patent/CN105295963A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3685950A (en) * | 1969-06-23 | 1972-08-22 | Mitsubishi Electric Corp | Combustion apparatus for mixing fuel and air in divided portions |
| CN101575525A (en) * | 2008-05-07 | 2009-11-11 | 中冶焦耐自动化系统有限公司 | Device and method for controlling diffusion of gas collecting pipe |
| CN201433236Y (en) * | 2009-07-16 | 2010-03-31 | 新疆八一钢铁股份有限公司 | Emergency shut-down and automatic purging device for gas-fired furnace |
| CN101725997A (en) * | 2009-12-15 | 2010-06-09 | 攀枝花新钢钒股份有限公司 | Hearth safety monitoring method |
| CN201737913U (en) * | 2010-07-19 | 2011-02-09 | 启东市海信机械有限公司 | Coal gas processing device for ignition |
| CN103980919A (en) * | 2014-05-19 | 2014-08-13 | 攀钢集团西昌钢钒有限公司 | Coke oven gas pipeline of boiler and cleaning method thereof |
| CN205046044U (en) * | 2015-10-29 | 2016-02-24 | 山东钢铁股份有限公司 | Coke oven exhaust stack raw coke oven gas cleaning device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109590293A (en) * | 2018-12-10 | 2019-04-09 | 长沙中联消防机械有限公司 | Gas purge system, fire fighting truck and control method |
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Application publication date: 20160203 |