CN105802639A - Coke dry quenching furnace diffused gas treatment method - Google Patents
Coke dry quenching furnace diffused gas treatment method Download PDFInfo
- Publication number
- CN105802639A CN105802639A CN201610308864.9A CN201610308864A CN105802639A CN 105802639 A CN105802639 A CN 105802639A CN 201610308864 A CN201610308864 A CN 201610308864A CN 105802639 A CN105802639 A CN 105802639A
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- gas
- coke oven
- coke
- quenching furnace
- dry quenching
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B21/00—Heating of coke ovens with combustible gases
- C10B21/06—Heating of coke ovens with combustible gases in coke ovens suitable for the use of lean gas or rich gas
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B21/00—Heating of coke ovens with combustible gases
- C10B21/08—Heating of coke ovens with combustible gases by applying special heating gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Coke Industry (AREA)
Abstract
The invention relates to a coke dry quenching furnace diffused gas treatment method. A diffused gas leading main tube and a rotation speed adjustable draft fan which are connected with a coke dry quenching furnace diffusion tube are adopted to feed a coke dry quenching furnace diffused gas into a coke oven heating system; the coke oven heating system is a lean gas heating system or rich gas heating system; the flow of the coke dry quenching furnace diffused gas fed into the coke oven heating system is adjusted through a diffused gas flow control valve on the diffused gas leading main tube. As the coke dry quenching furnace diffused gas is introduced into a coke oven combustion chamber to participate in combustion again, so that not only is the problem of emission of the coke dry quenching furnace diffused gas solved, but also the content of nitric oxide in a coke oven emission waste gas can be effectively reduced, the environment pollution of a coking plant can be reduced, and environment-friendly operation of the coking plant can be achieved.
Description
Technical field
The present invention relates to coking environmental technology field, particularly relate to a kind of processing method being capable of coke dry quenching furnace dispersing gas clean utilization.
Background technology
Along with the development of coking technology, current coke-oven plant all auxiliary construction dry coke quenching equipments, cryogenic inert gas is utilized to cool down red Jiao.In dry coke quenching process, for keeping the even running of whole dry coke quenching equipment, it is necessary to constantly supplement air, part recyclegas is diffused simultaneously.Coke dry quenching furnace dispersing gas contains nitrogen, hydrogen, sulfur dioxide, carbon monoxide and dust etc..At present this part dispersing gas is recycled but without effective method, can only directly discharge, cause environmental pollution, not meet national environmental protection policy.Therefore, the process of this partial discharge gas is just seemed particularly urgent.
On the other hand, national policy is also more and more higher to the environmental requirement of coking industry, especially that the emission limit of coke oven nitrogen oxides is more and more stricter.Current coke oven discharge waste gas controls to control in technology mainly burning technology and burning post-control technology, is wherein not met by the discharge standard of coke oven discharge nitrogen oxides of exhaust gas based on control technology in the burning of waste gas circulation and zone heating etc.；And to adopt catalyst decomposition technique that nitrogen oxides of exhaust gas carries out the resolution process technology of denitration, its disadvantage is that process plant investment is huge, operating cost is high, limits the universal of this technology.
Summary of the invention
The invention provides a kind of coke dry quenching furnace dispersing gas processing method, coke dry quenching furnace dispersing gas is introduced coke oven combustion chamber and again participates in burning, it is possible not only to solve the emission problem of coke dry quenching furnace dispersing gas, can also effectively reduce the amount of nitrogen oxides in coke oven discharge waste gas, reduce the environmental pollution of coke-oven plant, it is achieved the green operation of coke-oven plant.
In order to achieve the above object, the present invention realizes by the following technical solutions:
A kind of coke dry quenching furnace dispersing gas processing method, derives supervisor and the adjustable air-introduced machine of rotating speed by connecting the dispersing gas of coke dry quenching furnace exhaust stack, coke dry quenching furnace dispersing gas is sent into coke oven heating system；Described coke oven heating system is poor gas heating system or rich gas heating system；The coke dry quenching furnace dispersing gas flow introducing coke oven heating system is adjusted by the dispersing gas flow control valve on dispersing gas derivation supervisor.
When described coke oven heating system is poor gas heating system, coke dry quenching furnace dispersing gas introduces coke oven combustion chamber by poor gas supervisor, coke oven shutter, bell and spigot and bottom flue.
When described coke oven heating system is rich gas heating system, coke dry quenching furnace dispersing gas introduces coke oven combustion chamber through coke oven shutter, bell and spigot and bottom flue.
When described coke oven heating system is poor gas heating system, the dispersing gas before poor gas supervisor is derived and is set dispersing gas flow control valve on supervisor, and the connection pipeline between poor gas supervisor and coke oven shutter sets flow-through orifice；Coke dry quenching furnace dispersing gas is derived supervisor by dispersing gas flow control valve from dispersing gas and is incorporated into poor gas supervisor, enter in the coke oven shutter with air door after being regulated by flow-through orifice, the poor gas and the air that are mixed into coke dry quenching furnace dispersing gas enter in bottom flue respectively through bell and spigot, finally import coke oven combustion chamber and burn.
When described coke oven heating system is rich gas heating system, the dispersing gas before coke oven shutter is derived and is set dispersing gas flow control valve on supervisor；Coke oven combustion chamber connects rich gas supervisor additionally by lower jet pipe, and rich gas supervisor sets preheater, rich gas flow control valve and cock；Coke dry quenching furnace dispersing gas is derived supervisor either directly through dispersing gas flow control valve from dispersing gas and is incorporated into the coke oven shutter with air door, is mixed into the air after coke dry quenching furnace dispersing gas and dilution and enters in bottom flue through bell and spigot, finally enters coke oven combustion chamber；After rich gas flow control valve and cock regulate, entered the air mixed combustion after coke oven combustion chamber and dilution respectively by lower jet pipe after rich gas preheated device preheating in rich gas supervisor.
Compared with prior art, the invention has the beneficial effects as follows:
1) realize recycling of dry coke quenching dispersing gas, solve coke-oven plant's coke dry quenching furnace dispersing gas and directly discharge the energy waste and problem of environmental pollution that bring；
2) relevant device small investment, does not additionally increase construction land, and operating cost is low；
3) can effectively reduce the concentration of coke oven discharge nitrogen oxides of exhaust gas, alleviate the environmental protection pressure of coke-oven plant, it is achieved the Green Operation of coke-oven plant.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of coke dry quenching furnace dispersing gas processing method of the present invention.
Fig. 2 is the structural representation that coke dry quenching furnace dispersing gas of the present invention introduces poor gas heating system.
Fig. 3 is the structural representation that coke dry quenching furnace dispersing gas of the present invention introduces rich gas heating system.
In figure: 1. coke dry quenching furnace dispersing gas pipeline 2. air-introduced machine 3. dispersing gas derivation supervisor 4. dispersing gas flow control valve 5. poor gas are responsible for 6. air door 7. flow-through orifice 8. coke oven shutter 9. bell and spigot 10. bottom flue 11. coke oven combustion chamber 12. rich gas and are responsible for 13. 16. times jet pipe 17. coke oven heating systems of preheater 14. rich gas flow control valve 15. cock
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
As it is shown in figure 1, a kind of coke dry quenching furnace dispersing gas processing method of the present invention, derive supervisor 3 and the adjustable air-introduced machine 2 of rotating speed by connecting the dispersing gas of coke dry quenching furnace exhaust stack 1, coke dry quenching furnace dispersing gas is sent into coke oven heating system 17；Described coke oven heating system 17 is poor gas heating system or rich gas heating system；The coke dry quenching furnace dispersing gas flow introducing coke oven heating system 17 is adjusted by the dispersing gas flow control valve 4 on dispersing gas derivation supervisor 3.
When described coke oven heating system 17 is poor gas heating system, coke dry quenching furnace dispersing gas introduces coke oven combustion chamber 11 by poor gas supervisor 5, coke oven shutter 8, bell and spigot 9 and bottom flue 10.
When described coke oven heating system 17 is rich gas heating system, coke dry quenching furnace dispersing gas introduces coke oven combustion chamber 11 through coke oven shutter 8, bell and spigot 9 and bottom flue 10.
As in figure 2 it is shown, when described coke oven heating system 17 is poor gas heating system, the dispersing gas before poor gas supervisor 5 is derived and set dispersing gas flow control valve 4 on supervisor 3, the connection pipeline between poor gas supervisor 5 and coke oven shutter 8 sets flow-through orifice 7；Coke dry quenching furnace dispersing gas is derived supervisor 3 by dispersing gas flow control valve 4 from dispersing gas and is incorporated into poor gas supervisor 5, enter in the coke oven shutter 8 with air door 6 after being regulated by flow-through orifice 7, the poor gas and the air that are mixed into coke dry quenching furnace dispersing gas enter in bottom flue 10 respectively through bell and spigot 9, finally import coke oven combustion chamber 11 and burn.
As it is shown on figure 3, when described coke oven heating system 17 is rich gas heating system, the dispersing gas before coke oven shutter 8 is derived and is set dispersing gas flow control valve 4 on supervisor 3；Coke oven combustion chamber 11 connects rich gas supervisor 12 additionally by lower jet pipe 16, and rich gas supervisor 12 sets preheater 13, rich gas flow control valve 14 and cock 15；Coke dry quenching furnace dispersing gas is derived supervisor 3 either directly through dispersing gas flow control valve 4 from dispersing gas and is incorporated into the coke oven shutter 8 with air door 6, it is mixed into the air after coke dry quenching furnace dispersing gas and dilution to enter in bottom flue 10 through bell and spigot 9, finally enters coke oven combustion chamber 11；After rich gas flow control valve 14 and cock 15 regulate, entered the air mixed combustion after coke oven combustion chamber 11 and dilution respectively by lower jet pipe 16 after rich gas preheated device 13 preheating in rich gas supervisor 12.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; it is equal to replacement according to technical scheme and inventive concept thereof or is changed, all should be encompassed within protection scope of the present invention.
Claims (5)
1. a coke dry quenching furnace dispersing gas processing method, it is characterised in that derive supervisor and the adjustable air-introduced machine of rotating speed by connecting the dispersing gas of coke dry quenching furnace exhaust stack, coke dry quenching furnace dispersing gas is sent into coke oven heating system；Described coke oven heating system is poor gas heating system or rich gas heating system；The coke dry quenching furnace dispersing gas flow introducing coke oven heating system is adjusted by the dispersing gas flow control valve on dispersing gas derivation supervisor.
2. a kind of coke dry quenching furnace dispersing gas processing method according to claim 1, it is characterized in that, when described coke oven heating system is poor gas heating system, coke dry quenching furnace dispersing gas introduces coke oven combustion chamber by poor gas supervisor, coke oven shutter, bell and spigot and bottom flue.
3. a kind of coke dry quenching furnace dispersing gas processing method according to claim 1, it is characterised in that when described coke oven heating system is rich gas heating system, coke dry quenching furnace dispersing gas introduces coke oven combustion chamber through coke oven shutter, bell and spigot and bottom flue.
4. a kind of coke dry quenching furnace dispersing gas processing method according to claim 1, it is characterized in that, when described coke oven heating system is poor gas heating system, dispersing gas before poor gas supervisor is derived and is set dispersing gas flow control valve on supervisor, and the connection pipeline between poor gas supervisor and coke oven shutter sets flow-through orifice；Coke dry quenching furnace dispersing gas is derived supervisor by dispersing gas flow control valve from dispersing gas and is incorporated into poor gas supervisor, enter in the coke oven shutter with air door after being regulated by flow-through orifice, the poor gas and the air that are mixed into coke dry quenching furnace dispersing gas enter in bottom flue respectively through bell and spigot, finally import coke oven combustion chamber and burn.
5. a kind of coke dry quenching furnace dispersing gas processing method according to claim 1, it is characterised in that when described coke oven heating system is rich gas heating system, the dispersing gas before coke oven shutter is derived and set dispersing gas flow control valve on supervisor；Coke oven combustion chamber connects rich gas supervisor additionally by lower jet pipe, and rich gas supervisor sets preheater, rich gas flow control valve and cock；Coke dry quenching furnace dispersing gas is derived supervisor either directly through dispersing gas flow control valve from dispersing gas and is incorporated into the coke oven shutter with air door, is mixed into the air after coke dry quenching furnace dispersing gas and dilution and enters in bottom flue through bell and spigot, finally enters coke oven combustion chamber；After rich gas flow control valve and cock regulate, entered the air mixed combustion after coke oven combustion chamber and dilution respectively by lower jet pipe after rich gas preheated device preheating in rich gas supervisor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610308864.9A CN105802639A (en) | 2016-05-10 | 2016-05-10 | Coke dry quenching furnace diffused gas treatment method |
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| CN201610308864.9A CN105802639A (en) | 2016-05-10 | 2016-05-10 | Coke dry quenching furnace diffused gas treatment method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108379996A (en) * | 2018-04-03 | 2018-08-10 | 金能科技股份有限公司 | Reduce the device and method of dry coke quenching environmental grounds dust pelletizing system chimney sulfur dioxide |
| CN111396902A (en) * | 2020-03-31 | 2020-07-10 | 中冶焦耐(大连)工程技术有限公司 | Process for treating wet desulphurization regeneration tail gas by using tube furnace |
| CN112940757A (en) * | 2021-03-17 | 2021-06-11 | 宝武集团鄂城钢铁有限公司 | Treatment method for diluting coke oven gas by utilizing diffused gas in pre-storage section of dry quenching furnace |
| CN113122290A (en) * | 2019-12-30 | 2021-07-16 | 宝山钢铁股份有限公司 | Method for treating commonly used diffused gas of dry quenching furnace |
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| EP0183908A1 (en) * | 1984-12-01 | 1986-06-11 | Krupp Koppers GmbH | Process for the diminution of the NOx content of flue gases when heating coke ovens, and coke oven for carrying out the process |
| CN1043333A (en) * | 1988-12-10 | 1990-06-27 | 克鲁普科普斯有限公司 | When heating rich gas coke oven or complex thermal coke, reduce the method for content of nitrogen oxide in the waste gas and in order to implement the oven battery of this method |
| JPH10265778A (en) * | 1997-03-26 | 1998-10-06 | Nkk Corp | Combustion chamber of coke oven |
| CN101693837A (en) * | 2009-10-21 | 2010-04-14 | 开滦能源化工股份有限公司 | Method for recycling methanol synthesis purge gas produced by coke oven gas |
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| CN102925164A (en) * | 2012-11-13 | 2013-02-13 | 中冶焦耐工程技术有限公司 | Coke oven heating method |
| CN105385460A (en) * | 2015-12-02 | 2016-03-09 | 中冶焦耐工程技术有限公司 | Circulating structure and method for exhaust gas of coke oven |
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2016
- 2016-05-10 CN CN201610308864.9A patent/CN105802639A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0183908A1 (en) * | 1984-12-01 | 1986-06-11 | Krupp Koppers GmbH | Process for the diminution of the NOx content of flue gases when heating coke ovens, and coke oven for carrying out the process |
| CN1043333A (en) * | 1988-12-10 | 1990-06-27 | 克鲁普科普斯有限公司 | When heating rich gas coke oven or complex thermal coke, reduce the method for content of nitrogen oxide in the waste gas and in order to implement the oven battery of this method |
| JPH10265778A (en) * | 1997-03-26 | 1998-10-06 | Nkk Corp | Combustion chamber of coke oven |
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| CN102786950A (en) * | 2012-08-06 | 2012-11-21 | 山西鑫立能源科技有限公司 | Dry quenching exhaust gas generation and combustion heating method |
| CN102925164A (en) * | 2012-11-13 | 2013-02-13 | 中冶焦耐工程技术有限公司 | Coke oven heating method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108379996A (en) * | 2018-04-03 | 2018-08-10 | 金能科技股份有限公司 | Reduce the device and method of dry coke quenching environmental grounds dust pelletizing system chimney sulfur dioxide |
| CN108379996B (en) * | 2018-04-03 | 2024-01-12 | 金能科技股份有限公司 | Device and method for reducing sulfur dioxide in chimney of ground dust removal system in dry quenching environment |
| CN113122290A (en) * | 2019-12-30 | 2021-07-16 | 宝山钢铁股份有限公司 | Method for treating commonly used diffused gas of dry quenching furnace |
| CN113122290B (en) * | 2019-12-30 | 2022-06-24 | 宝山钢铁股份有限公司 | Method for treating commonly used diffused gas of dry quenching furnace |
| CN111396902A (en) * | 2020-03-31 | 2020-07-10 | 中冶焦耐(大连)工程技术有限公司 | Process for treating wet desulphurization regeneration tail gas by using tube furnace |
| CN112940757A (en) * | 2021-03-17 | 2021-06-11 | 宝武集团鄂城钢铁有限公司 | Treatment method for diluting coke oven gas by utilizing diffused gas in pre-storage section of dry quenching furnace |
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Effective date of registration: 20180801 Address after: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning Applicant after: ACRE Coking And Refractory (Dalian) Engineering Consulting Corp., MCC Address before: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning Applicant before: ACRE Coking and Refractory Engineering Consulting Corporation, MCC |
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Application publication date: 20160727 |