CN204824947U - Converter gas recovery and diffusion control device - Google Patents
Converter gas recovery and diffusion control device Download PDFInfo
- Publication number
- CN204824947U CN204824947U CN201520455439.3U CN201520455439U CN204824947U CN 204824947 U CN204824947 U CN 204824947U CN 201520455439 U CN201520455439 U CN 201520455439U CN 204824947 U CN204824947 U CN 204824947U
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- China
- Prior art keywords
- gas
- coal gas
- valve
- gas diffusion
- coal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009792 diffusion process Methods 0.000 title claims abstract description 33
- 238000011084 recovery Methods 0.000 title claims abstract description 20
- 239000003034 coal gas Substances 0.000 claims abstract description 84
- 239000007789 gas Substances 0.000 claims abstract description 43
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910002091 carbon monoxide Inorganic materials 0.000 claims abstract description 20
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 20
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000001301 oxygen Substances 0.000 claims abstract description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 11
- 238000010926 purge Methods 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 1
- 238000011897 real-time detection Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Regulation And Control Of Combustion (AREA)
Abstract
The utility model provides a converter coal gas retrieves diffuses controlling means, include by the coal gas person in charge, three-way valve, water seal valve, gas chamber, nitrogen gas purging pipe, cut valve soon, by pass line, bypass valve, coal gas diffuse pipeline, carbon monoxide and oxygen detector, coal gas diffuse tower, diffuse torch head, major control system, high pressure generator, flame detection subassembly and ignition companion and burn the controlling means that the ware is constituteed, CO and O and the O of detector to coal gas through carbon monoxide and oxygen detector2And (3) carrying out real-time detection, judging the gas recovery or the gas diffusion by the main control system according to the detection signal, carrying out the gas recovery and the gas diffusion and nitrogen purging of the diffusion tower and the gas diffusion pipeline by controlling the opening and closing of the three-way valve, the water seal valve, the quick-cutting valve and the bypass valve, and automatically realizing the ignition and the gas diffusion of the diffused gas. The utility model discloses can effectively reduce the operation of ignition companion system of burningThe cost is reduced, the safety and the reliability of the ignition system are improved, the energy is greatly saved, the maintenance cost is reduced, and the environmental pollution is reduced.
Description
Technical field
The utility model belongs to energy-conserving and environment-protective systems technology field, particularly relates to the control device that a kind of RECOVERY OF CONVERTER GAS is diffused.
Background technology
Coal gas of converter is the byproduct of converter steelmaking, and principal combustible composition is CO, H
2with a small amount of hydrocarbon polymer, there is a large amount of N
2and CO
2, its transmission & distribution are undertaken by airtight pipe network.In coal gas of converter, CO concentration can reach about 50 ~ 70%, is secondary energy important in iron and steel enterprise.But the discontinuity produced due to coal gas of converter and coal-gas recovering technique are to features such as gas quality requirements; having the coal gas of converter do not met in a large number under recovering condition or improper recovery state is diffused in atmospheric environment; and qualified coal gas of converter; can be recovered in converter gas cabinet, and supply coal gas user use.In the steel-making cycle that converter is complete, only have converting process to have coal gas of converter to produce, in this process, in coal gas of converter, CO concentration is raised to 70% ~ 80% from above freezing rapidly, and then reduces to zero.Whole process CO change in concentration is violent, and hot-restriking die is very large; O in coal gas of converter
2concentration can be down to less than 0.8% from 21%, and then rises to a high position.Therefore, reclaim and just the satisfactory coal gas of converter of above process interlude is reclaimed, judge that main standard is exactly CO and O
2concentration.
Diffuse safety for what guarantee coal gas of converter, need, at coal gas diffusion top of tower, high-altitude ignition is carried out to emission coal gas and diffuse.And the coal gas of converter calorific value diffused is lower, general coal gas of converter calorific value is about 1200-1400KCAL/m3, very difficult generation can complete stability, certainly tie up burned flame, therefore usually need high heating value gas to carry out lighting a fire and accompanying burning.Domestic traditional way retains ever-burning flame at each diffusing tower top.The point partner of ever-burning flame burns coke-oven gas, Sweet natural gas or oil liquefied gas etc. that source of the gas is generally high heating value, and even some belongs to outsourcing combustion gas.These ever-burning flames not only consume a large amount of high heating value combustion gas of enterprise, cause iron and steel enterprise's production cost to increase, and cause larger pollution to environment.
Patent publication No. CN102978333A discloses a kind of converter gas recovery system and method thereof, and the method is carried out point cabinet according to CO concentration difference in coal gas and reclaimed, and achieves the maximization of RECOVERY OF CONVERTER GAS.But the method will set multiple gas chamber for storing different concns CO according to the CO concentration ranges divided, and can increase the complicacy of RECOVERY OF CONVERTER GAS technique, strengthens facility investment expense.
Article " improvement of 100t coal gas of converter bleeding device " uses the coal gas of converter reclaimed in converter gas cabinet to burn source of the gas as a partner.Which employs relative clean, low-calorie coal gas of converter substitutes coke-oven gas, reduces coal gas diffusion cost, but needs connection gas line to diffusing tower top, and easily in pipeline, be partially formed moisture film, that causes system to light a fire is unreliable.
Summary of the invention
The utility model provides a kind of RECOVERY OF CONVERTER GAS to diffuse control device, and what its object was intended to reduce coal gas of converter diffuses cost, improves coal gas of converter and diffuses the safe reliability of igniting, and reduces coal gas of converter and diffuse disadvantageous effect to surrounding enviroment.
For this reason, the solution that the utility model is taked is:
A kind of RECOVERY OF CONVERTER GAS diffuses control device, comprises coal gas supervisor, T-valve, water-sealed valve, gas chamber, nitrogen sparge tube, cuts valve, by-pass line, by-pass valve, coal gas diffusion pipeline, carbon monoxide and oxygen detector, coal gas diffusion tower soon, diffuses flare tip, master control system, high pressure producer, fire defector assembly and put partner's burner; The upper T-valve one end of installing of coal gas supervisor connects water-sealed valve, water-sealed valve rear portion is provided with gas chamber, the other end connects coal gas diffusion tower by coal gas diffusion pipeline, coal gas diffusion pipeline is connected to band and cuts the nitrogen sparge tube of valve and the by-pass line of band by-pass valve soon; Coal gas supervisor is equipped with carbon monoxide and oxygen detector, carbon monoxide is connected master control system with the oxygen detector the other end, master control system is connected with high pressure producer, each high pressure producer is connected in corresponding some partner burner by high-tension cable, flame detecting assembly is all equipped with on each some partner's burner side, what flame detecting assembly was fixed on coal gas diffusion tower top diffuses on flare tip, and the other end of flame detecting assembly is connected with master control system.
The using method that the utility model RECOVERY OF CONVERTER GAS diffuses control device is:
CO and O of coal gas in coal gas being responsible for by carbon monoxide and oxygen detector
2content detects in real time, and can the signal that master control system transmits according to carbon monoxide and oxygen detector and gas chamber the judgement carrying out coal-gas recovering or diffuse of the state of gas recovery:
When the CO concentration in coal gas is higher than preset value 30% ~ 40%, O
2concentration lower than preset value 1% ~ 2% time, meet coal-gas recovering condition, and gas chamber is when also meeting recovering condition, master control system starts to perform coal-gas recovering operation: first open water-sealed valve, close by-pass valve, after master control system confirmation puts in place, control T-valve and switch to coal-gas recovering orientation, start to carry out coal-gas recovering; Coal gas of converter enters water-sealed valve by T-valve, after dust removal process, enter gas chamber.
When master control system performs coal-gas recovering operation, when water-sealed valve breaks down or T-valve switches unsuccessful, master control system can control by-pass valve and automatically open, and carries out coal gas diffusion, and does not carry out coal-gas recovering; After Failure elimination, by-pass valve cuts out automatically, stops coal gas diffusion.
As CO and O in coal gas
2content does not reach recovering condition, or when occurring that cabinet expired by gas chamber, T-valve is switched to from recovery position and diffuses position by master control system, makes coal gas enter diffusing tower and diffuses; After T-valve is switched to and diffuses position, water-sealed valve starts to close.
When coal-gas recovering bleeding device is switched to the state of diffusing by the state of recovery or is switched to recovery state by the state of diffusing, all carry out nitrogen purging, cut valve soon to open, nitrogen enters coal gas diffusion pipeline, carries out nitrogen purging to whole diffusing tower and coal gas diffusion pipeline.
When master control system judges that coal gas diffuses, carbon monoxide and oxygen detector detect CO concentration in coal gas supervisor, when CO concentration higher than 15% ~ 18% time, master control system provides alternating-current to high pressure producer, feed point partner burner produces planar electric arc, light the emission coal gas of inlet point partner burner, and jet out flames from partner's burner top, the flame ignition of ejection is from flare tip emission coal gas out; The sustainable emission coal gas of lighting of some partner's burner, until coal gas diffusion tower stops diffusing.
The beneficial effects of the utility model are:
The automatic control that the utility model can realize RECOVERY OF CONVERTER GAS and diffuse, greatly reduce on coal gas of converter diffusing tower and put the running cost that partner burns system, improve the safe reliability reclaiming and diffuse ignition system, energy is save energy greatly, reduce maintenance cost, reduce environmental pollution, there is higher economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is that RECOVERY OF CONVERTER GAS diffuses control device structural representation.
In figure: coal gas supervisor 1, T-valve 2, water-sealed valve 3, gas chamber 4, nitrogen sparge tube 5, cut valve 6, by-pass line 7, by-pass valve 8, coal gas diffusion pipeline 9, carbon monoxide and oxygen detector 10, coal gas diffusion tower 11 soon, diffuse flare tip 12, master control system 13, high pressure producer 14, fire defector assembly 15, some partner burner 16.
Embodiment
As seen from Figure 1, the utility model RECOVERY OF CONVERTER GAS diffuses control device, be mainly responsible for 1 by coal gas, T-valve 2, water-sealed valve 3, gas chamber 4, nitrogen sparge tube 5, cut valve 6, by-pass line 7, by-pass valve 8, coal gas diffusion pipeline 9, carbon monoxide and oxygen detector 10, coal gas diffusion tower 11 soon, diffuse flare tip 12, master control system 13, high pressure producer 14, fire defector assembly 15, some partner burner 16 formed.
The one end of the T-valve 2 that coal gas supervisor 1 installs connects water-sealed valve 3, and water-sealed valve 3 rear portion is provided with gas chamber 4; The other end of T-valve 2 connects coal gas diffusion tower 11 by coal gas diffusion pipeline 9, coal gas diffusion pipeline 9 is connected to band and cuts the nitrogen sparge tube 5 of valve 6 and the by-pass line 7 of band by-pass valve 8 soon.Coal gas supervisor 1 is equipped with carbon monoxide and oxygen detector 10, carbon monoxide is connected master control system 13 with the other end of oxygen detector 10, master control system 13 is connected with high pressure producer 14, each high pressure producer 14 is connected in corresponding some partner burner 16 by high-tension cable, flame detecting assembly 15 is all equipped with on each some partner's burner 16 side, what flame detecting assembly 15 was fixed on coal gas diffusion tower 11 top diffuses on flare tip 12, and the other end of flame detecting assembly 15 is connected with master control system 13.
Claims (1)
1. a RECOVERY OF CONVERTER GAS diffuses control device, it is characterized in that, comprise coal gas supervisor, T-valve, water-sealed valve, gas chamber, nitrogen sparge tube, cut valve, by-pass line, by-pass valve, coal gas diffusion pipeline, carbon monoxide and oxygen detector, coal gas diffusion tower soon, diffuse flare tip, master control system, high pressure producer, fire defector assembly and some partner burner; The upper T-valve one end of installing of coal gas supervisor connects water-sealed valve, water-sealed valve rear portion is provided with gas chamber, the other end connects coal gas diffusion tower by coal gas diffusion pipeline, coal gas diffusion pipeline is connected to band and cuts the nitrogen sparge tube of valve and the by-pass line of band by-pass valve soon; Coal gas supervisor is equipped with carbon monoxide and oxygen detector, carbon monoxide is connected master control system with the oxygen detector the other end, master control system is connected with high pressure producer, each high pressure producer is connected in corresponding some partner burner by high-tension cable, flame detecting assembly is all equipped with on each some partner's burner side, what flame detecting assembly was fixed on coal gas diffusion tower top diffuses on flare tip, and the other end of flame detecting assembly is connected with master control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520455439.3U CN204824947U (en) | 2015-06-26 | 2015-06-26 | Converter gas recovery and diffusion control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520455439.3U CN204824947U (en) | 2015-06-26 | 2015-06-26 | Converter gas recovery and diffusion control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204824947U true CN204824947U (en) | 2015-12-02 |
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ID=54682566
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520455439.3U Expired - Fee Related CN204824947U (en) | 2015-06-26 | 2015-06-26 | Converter gas recovery and diffusion control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204824947U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106319142A (en) * | 2015-06-26 | 2017-01-11 | 鞍钢股份有限公司 | Converter gas recycling and diffusing control device and method |
| CN108071931A (en) * | 2016-11-14 | 2018-05-25 | 上海梅山钢铁股份有限公司 | A kind of constant cabinet of Wiggins gas holder houses changing device and method of replacing |
| CN108397793A (en) * | 2018-02-07 | 2018-08-14 | 李承忠 | A kind of explosion-proof combined system of gas furnace valve anti-leak |
| CN110551531A (en) * | 2019-10-08 | 2019-12-10 | 唐山科源环保技术装备有限公司 | Device and process for dedusting flue gas emitted by gas producer |
-
2015
- 2015-06-26 CN CN201520455439.3U patent/CN204824947U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106319142A (en) * | 2015-06-26 | 2017-01-11 | 鞍钢股份有限公司 | Converter gas recycling and diffusing control device and method |
| CN108071931A (en) * | 2016-11-14 | 2018-05-25 | 上海梅山钢铁股份有限公司 | A kind of constant cabinet of Wiggins gas holder houses changing device and method of replacing |
| CN108397793A (en) * | 2018-02-07 | 2018-08-14 | 李承忠 | A kind of explosion-proof combined system of gas furnace valve anti-leak |
| CN108397793B (en) * | 2018-02-07 | 2019-10-29 | 义乌市吉龙科技有限公司 | A kind of explosion-proof combined system of gas furnace valve anti-leak |
| CN110551531A (en) * | 2019-10-08 | 2019-12-10 | 唐山科源环保技术装备有限公司 | Device and process for dedusting flue gas emitted by gas producer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20210626 |