CN103343022A - Negative-pressure desulfurization technology and equipment for coke gas - Google Patents
Negative-pressure desulfurization technology and equipment for coke gas Download PDFInfo
- Publication number
- CN103343022A CN103343022A CN201310319953XA CN201310319953A CN103343022A CN 103343022 A CN103343022 A CN 103343022A CN 201310319953X A CN201310319953X A CN 201310319953XA CN 201310319953 A CN201310319953 A CN 201310319953A CN 103343022 A CN103343022 A CN 103343022A
- Authority
- CN
- China
- Prior art keywords
- gas
- thionizer
- desulfurization
- coal gas
- doctor solution
- Prior art date
- 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.)
- Pending
Links
Images
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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Industrial Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention discloses negative-pressure desulfurization technology and equipment for coke gas, belonging to the coking chemical product recovery technology, and particularly relates to a method for removing hydrogen sulfide in coke gas by a negative pressure technology. In a coke gas purifying system, a desulfurization technology is arranged after electrofishing and before an air blower, so that the desulfurization system is in a negative-pressure state during air suction of the air blower, the desulfurization efficiency can be improved while avoiding double energy waste of the prior art that the desulfurization equipment is arranged after the air blower and a pre-cooling tower is required for reducing the temperature of gas entering the desulfurization equipment and the desulfurized gas needs to be preheated after desulfurization, thereby being favorable for saving energy and reducing consumption and bringing good economic and environmental benefits.
Description
Technical field
The invention belongs to coking chemical product recovery technology, particularly a kind of method that adopts negative pressure technique to remove hydrogen sulfide in the coke-oven gas.
Background technology
At present domestic is the sulfur removal technology of alkali source with ammonia, all is the desulfurization at normal-pressure technology, and desulphurization system is in after the gas blower, because there is temperature rise in gas blower, temperature is greatly about about 60 ℃ behind the blower fan, enter desulphurization system before, the precooling tower just must be set cool off.
The variation of this processing set-up gas temperature gradient is unreasonable, and process energy consumption increases considerably.Though coal gas is from the gas temperature that primary cooler comes out lower (generally controlling at 21 ℃～23 ℃), but coal gas is after the gas blower compression, temperature is elevated to～and 60 ℃, so in the sulfur removal technology, coal gas at first enters the precooling tower cooler to～30 ℃, and then enter into thionizer, finish desulfurization process after gas temperature reduce greatly.And all dispose thiamine process after the general sulfur removal technology, and the optimum operating temperature of sulphur ammonium system is generally about 50 ℃, also needs to increase the gas preheating device coal gas is heated.Cooling before the desulfurization of coal gas, that the desulfurization post-heating has increased energy consumption is many, coal gas will be constantly heat up with lower the temperature between hocket, both wasted the energy, increased investment again, be a kind of irrational high energy consumption technological design, do not meet the requirement of energy-saving and emission-reduction.Desulfurization at normal-pressure also exists the low shortcoming of desulfuration efficiency simultaneously.Therefore need to adopt desulfuration efficiency higher, more the new desulfurization process technology of energy-saving and emission-reduction.
Summary of the invention
The objective of the invention is
Technical scheme of the present invention is, a kind of negative pressure sulfur removal technology for coke-oven gas, it is characterized in that: the coke oven gas desulfurization equipment that comprises thionizer and desulfurization regeneration tower is installed in behind the electrical tar precipitator and will introduces the gas entry of thionizer bottom through the coke-oven gas that electrical tar precipitator be removed tar, coal gas in thionizer from bottom to top with cat head spray under the doctor solution counter current contact, carry out the MODEL OF CHEMICAL ABSORPTION PROCESS of liquid phase catalytic oxidation, with the H in the coal gas
2S is absorbed in the doctor solution, and desulfurization coal gas returns the gas blower negative-pressure pipeline from the gas exit on thionizer top through desulfurization coal gas and enters the gas blower supercharging, enters sulphur ammonium system after heating.
The equipment that is used for the negative pressure sulfur removal technology use of coke-oven gas, comprise thionizer, the desulfurization regeneration tower, it is characterized in that: described thionizer bottom be equipped with electric fishing after negative pressure coal gas enter the gas inlet that pipeline links to each other, the top of tower is provided with desulfurization coal gas and returns the desulfurization gas exit that the gas blower negative-pressure pipeline links to each other, cat head is provided with the doctor solution spray header, tower bottom is provided with the coal gas liquid seal trough that links to each other with the doctor solution recycle pump, the flowing full groove that is connected with the accident groove and with accident groove pump the doctor solution re-injection pipe that is connected and the blow-down pipe that is connected with the emptying liquid pump, described desulfurization regeneration tower bottom is provided with compressed air inlet and the doctor solution import that is connected with desulfuration recycle pump, this tower top is provided with the regenerative sulfur binding liquid pipeline that leads to thionizer, cat head is provided with the dispersing gas outlet of leading to coal gas negative pressure pipe and the sulfur-bearing foam pipeline that leads to foam chute, described emptying liquid pump be positioned at underground underground emptying groove and link to each other, described thionizer and desulfurization regeneration tower are two covers.
The using method that is used for the negative pressure sweetener of coke-oven gas, it is characterized in that: this equipment can two tower parallel runnings, close two towers series connection control valve during use, open gas exhausting valve, thionizer A intake valve and thionizer B intake valve, two thionizer parallel runnings, enter the gas inlet that the coal gas of pipeline enters thionizer A and thionizer B bottom respectively from negative pressure coal gas after the electric fishing, from bottom to top spray the doctor solution counter current contact of getting off with cat head, carry out the MODEL OF CHEMICAL ABSORPTION PROCESS of liquid phase catalytic oxidation, with the H in the coal gas
2S is absorbed in the doctor solution, absorb the ammonia in the coal gas simultaneously, to replenish the alkali source in the doctor solution, in order to keep certain catalyst concn and to reduce its consumption as far as possible, adopted by per 10,000 cubes of coal gas and added 28～35 gram H.P.F catalyzer measures continuously, coal gas enters the preceding negative pressure gas line of gas blower after the desulfurization, enters sulphur ammonium system after gas blower boosts, heats;
Absorbed H
2Doctor solution behind the S is by tower ground coal gas-liquid sealing groove, beaten to the regenerator column bottom by solution circulation pump, simultaneously from air compressor plant pressurized air and flow to into regenerator column A, B, doctor solution is carried out oxidation regeneration, the solution after the regeneration recycles from flowing back to thionizer through regulator of level from cat head;
The dispersing gas of regeneration overhead drains in the preceding gas line of thionizer, and guaranteeing does not have toxic and harmful to be discharged in the atmosphere;
When accident occurring or stopping production, the doctor solution at the bottom of the thionizer through the flowing full groove from flowing to the accident groove, Awaiting Overhaul finish or stop production after returned in the system by pump again when going into operation.
The using method that is used for the negative pressure sweetener of coke-oven gas, it is characterized in that: described equipment can two tower series operations, its method is: open thionizer A intake valve, close thionizer B intake valve, close gas exhausting valve, open two towers series connection control valve, coke-oven gas through first cold after temperature be～24 ℃, remove impurity such as tar in the coal gas, naphthalene through electric fishing after, at first enter thionizer A bottom, from bottom to top spray the doctor solution counter current contact of getting off with cat head, carry out the MODEL OF CHEMICAL ABSORPTION PROCESS of liquid phase catalytic oxidation, with the H in the coal gas
2S is absorbed in the doctor solution, absorb the ammonia in the coal gas simultaneously, to replenish the alkali source in the doctor solution, the coal gas of thionizer A top after through 1 grade of desulfurization enters thionizer B bottom, in thionizer B, carry out the secondary desulfurization, coal gas enters the preceding coal gas negative-pressure pipeline of gas blower after the desulfurization, enters sulphur ammonium system after gas blower boosts, heats;
Absorbed H
2Doctor solution behind the S is by tower ground coal gas-liquid sealing groove, beaten to the regenerator column bottom by solution circulation pump, simultaneously from air compressor plant pressurized air and flow to into regenerator column A, B, doctor solution is carried out oxidation regeneration, the solution after the regeneration recycles from flowing back to thionizer through regulator of level from cat head;
The dispersing gas of regeneration overhead drains in the preceding gas line of thionizer, and guaranteeing does not have toxic and harmful to be discharged in the atmosphere;
When accident occurring or stopping production, the doctor solution at the bottom of the thionizer through the flowing full groove from flowing to the accident groove, Awaiting Overhaul finish or stop production after returned in the system by pump again when going into operation.
The present invention adopts the negative pressure sulfur removal technology, before being about to desulfurizer and being arranged in gas blower, after the electrical tar precipitator.Coal gas through first cold after temperature be～24 ℃, remove impurity such as tar in the coal gas, naphthalene through electric fishing and directly enter desulphurization system, the precooling tower no longer is set, coal gas after the desulfurization advances gas blower, the coal gas that temperature is about 40 ℃ enters sulphur ammonium system, alleviated the thermal load of gas preheating device greatly, the gas temperature graded is reasonable.
The desulfurization primitive reaction is as follows:
H
2S+NH
4OH→NH
4HS+H
2O 2NH
4OH+H
2S→(NH
4)2S+2H
2O
NH
4OH+HCN→NH
4CN+H
2O NH
4OH+CO
2→NH
4HCO
3
NH
4OH+NH
4HCO
3→(NH
4)2CO
3+H
2O
The primitive reaction of regeneration is as follows:
NH
4HS+1/2O
2→NH
4OH+S
(NH
4)
2S+1/2O
2+H
2O→2NH
4OH+S
(NH
4)
2Sx+1/2O
2+H
2O→2NH
4OH+Sx
The invention has the beneficial effects as follows in the coke oven gas purification system sulfur removal technology is laid in electric fishing after, before the gas blower, be that desulphurization system is in the air-breathing negative pressure state of gas blower, not only can improve desulfuration efficiency but also avoid in the prior art sweetener is laid in needs to arrange the precooling tower after the gas blower and reduces the temperature of gas that enters sweetener, having after desulfurization need be with desulfurization coal gas pre-heating temperature elevation, the dual energy dissipation that causes, be conducive to save energy and reduce the cost, good economic benefit and environmental benefit are arranged.
Description of drawings
Fig. 1 is structural representation of the present invention,
Among the figure, 1. thionizer A, 2. thionizer B, 3. desulfurization regeneration tower A, 4. desulfurization regeneration tower B, 5. liquid seal trough A, 6. liquid seal trough B, 7. doctor solution recycle pump, 8. sulphur foam chute, 9. underground emptying groove, 10. foam pump, 11. flowing full groove A, 12. flowing full groove B, 13. accident grooves, 14. emptying liquid pumps, 15. accident groove pump, 16. two towers series connection control valve, 17. thionizer A intake valves, 18. gas exhausting valves, 19. thionizer B intake valve, 20. desulfurization coal gas returns the gas blower negative-pressure pipeline, negative pressure coal gas enters pipeline after 21. electric fishing, the outlet of 22. dispersing gas, 23. the sulfur-bearing foam outlet, 24. compressed air inlet.
Embodiment
The specific embodiment of the present invention is, as shown in the figure:
Embodiment 1, a kind of negative pressure sulfur removal technology for coke-oven gas, it is characterized in that: the coke oven gas desulfurization equipment that comprises thionizer and desulfurization regeneration tower is installed in behind the electrical tar precipitator and will introduces the gas entry of thionizer bottom through the coke-oven gas that electrical tar precipitator be removed tar, coal gas in thionizer from bottom to top with cat head spray under the doctor solution counter current contact, carry out the MODEL OF CHEMICAL ABSORPTION PROCESS of liquid phase catalytic oxidation, with the H in the coal gas
2S is absorbed in the doctor solution, and desulfurization coal gas returns the gas blower negative-pressure pipeline from the gas exit on thionizer top through desulfurization coal gas and enters the gas blower supercharging, enters sulphur ammonium system after heating.
Embodiment 2, a kind of negative pressure sweetener for coke-oven gas, comprise thionizer, the desulfurization regeneration tower, it is characterized in that: described thionizer bottom be equipped with electric fishing after negative pressure coal gas enter the gas inlet that pipeline 21 links to each other, the top of tower is provided with desulfurization coal gas and returns the desulfurization gas exit that gas blower negative-pressure pipeline 20 links to each other, cat head is provided with the doctor solution spray header, tower bottom is provided with the coal gas liquid seal trough that links to each other with doctor solution recycle pump 7, the flowing full groove that is connected with accident groove 13 and with accident groove pump 15 the doctor solution re-injection pipe that is connected and the blow-down pipe that is connected with emptying liquid pump 14, described desulfurization regeneration tower bottom is provided with compressed air inlet 24 and the doctor solution import that is connected with desulfuration recycle pump 7, this tower top is provided with the regenerative sulfur binding liquid pipeline that leads to thionizer, cat head is provided with the dispersing gas outlet 22 of leading to coal gas negative pressure pipe and the sulfur-bearing foam pipeline that leads to sulphur foam chute 8, described emptying liquid pump 14 be positioned at underground underground emptying groove 9 and link to each other.
Described thionizer and desulfurization regeneration tower are two covers.
Negative pressure coal gas enters the duct section that pipeline leads to thionizer A1 and is provided with thionizer A intake valve 17 after the described electric fishing, be provided with thionizer B intake valve 19 at the duct section that leads to thionizer B, described thionizer A is communicated with desulfurization coal gas and returns the gas blower negative-pressure pipeline and be provided with gas exhausting valve 18, is provided with the two towers control valve 16 of connecting at thionizer A desulfurization gas exit and pipeline between the thionizer B gas inlet.
This equipment can two tower parallel runnings, close two towers series connection control valve 16 during use, open gas exhausting valve 18, thionizer A intake valve 17 and thionizer B intake valve 19, two thionizer parallel runnings from electric fishing after the negative pressure coal gas coal gas that enters pipeline enter thionizer A and thionizer B bottom respectively gas inlet from bottom to top spray the doctor solution counter current contact of getting off with cat head, carry out the MODEL OF CHEMICAL ABSORPTION PROCESS of liquid phase catalytic oxidation, with the H in the coal gas
2S is absorbed in the doctor solution and (absorbs the ammonia in the coal gas simultaneously, to replenish the alkali source in the doctor solution).In order to keep certain catalyst concn and to reduce its consumption as far as possible, adopted the facility of adding little amount of catalyst continuously.Coal gas enters the preceding negative pressure gas line of gas blower after the desulfurization, enters sulphur ammonium system after gas blower boosts, heats.
Absorbed H
2Doctor solution behind the S is by tower ground coal gas-liquid sealing groove, beaten to the regenerator column bottom by solution circulation pump, simultaneously from air compressor plant pressurized air and flow to into regenerator column A, B, doctor solution is carried out oxidation regeneration, the solution after the regeneration recycles from flowing back to thionizer through regulator of level from cat head.
The dispersing gas of regeneration overhead drains in the preceding gas line of thionizer, and guaranteeing does not have toxic and harmful to be discharged in the atmosphere.
When accident occurring or stopping production, the doctor solution at the bottom of the thionizer through the flowing full groove from flowing to the accident groove, Awaiting Overhaul finish or stop production after returned in the system by pump again when going into operation.
Embodiment 3, embodiment 2 described equipment can two tower series operations, and its method is: open thionizer A intake valve 17, close thionizer B intake valve 19, close gas exhausting valve 18, open two towers series connection control valve 16, coke-oven gas is～24 ℃ through first cold back temperature, after passing through electric fishing and removing impurity such as tar in the coal gas, naphthalene, at first enter thionizer A bottom, from bottom to top spray the doctor solution counter current contact of getting off with cat head, carry out the MODEL OF CHEMICAL ABSORPTION PROCESS of liquid phase catalytic oxidation, with the H in the coal gas
2S is absorbed in the doctor solution and (absorbs the ammonia in the coal gas simultaneously, to replenish the alkali source in the doctor solution).The coal gas of thionizer A top after through 1 grade of desulfurization enters thionizer B bottom, carries out the secondary desulfurization in thionizer B, and coal gas enters the coal gas negative-pressure pipeline before the gas blower after the desulfurization, enters sulphur ammonium system after gas blower boosts, heats;
Absorbed H
2Doctor solution behind the S is by tower ground coal gas-liquid sealing groove, beaten to the regenerator column bottom by solution circulation pump, simultaneously from air compressor plant pressurized air and flow to into regenerator column A, B, doctor solution is carried out oxidation regeneration, the solution after the regeneration recycles from flowing back to thionizer through regulator of level from cat head.
The dispersing gas of regeneration overhead drains in the preceding gas line of thionizer, and guaranteeing does not have toxic and harmful to be discharged in the atmosphere.
When accident occurring or stopping production, the doctor solution at the bottom of the thionizer through the flowing full groove from flowing to the accident groove, Awaiting Overhaul finish or stop production after returned in the system by pump again when going into operation.
Claims (5)
1. negative pressure sulfur removal technology that is used for coke-oven gas, it is characterized in that: the coke oven gas desulfurization equipment that comprises thionizer and desulfurization regeneration tower is installed in behind the electrical tar precipitator and will introduces the gas entry of thionizer bottom through the coke-oven gas that electrical tar precipitator be removed tar, coal gas in thionizer from bottom to top with cat head spray under the doctor solution counter current contact, carry out the MODEL OF CHEMICAL ABSORPTION PROCESS of liquid phase catalytic oxidation, with the H in the coal gas
2S is absorbed in the doctor solution, and desulfurization coal gas returns the gas blower negative-pressure pipeline from the gas exit on thionizer top through desulfurization coal gas and enters the gas blower supercharging, enters sulphur ammonium system after heating.
2. the equipment that is used by the described negative pressure sulfur removal technology for coke-oven gas of claim 1, comprise thionizer, the desulfurization regeneration tower, it is characterized in that: described thionizer bottom be equipped with electric fishing after negative pressure coal gas enter the gas inlet that pipeline links to each other, the top of tower is provided with desulfurization coal gas and returns the desulfurization gas exit that the gas blower negative-pressure pipeline links to each other, cat head is provided with the doctor solution spray header, tower bottom is provided with the coal gas liquid seal trough that links to each other with the doctor solution recycle pump, the flowing full groove that is connected with the accident groove and with accident groove pump the doctor solution re-injection pipe that is connected and the blow-down pipe that is connected with the emptying liquid pump, described desulfurization regeneration tower bottom is provided with compressed air inlet and the doctor solution import that is connected with desulfuration recycle pump, this tower top is provided with the regenerative sulfur binding liquid pipeline that leads to thionizer, cat head is provided with the dispersing gas outlet of leading to coal gas negative pressure pipe and the sulfur-bearing foam pipeline that leads to foam chute, described emptying liquid pump be positioned at underground underground emptying groove and link to each other, described thionizer and desulfurization regeneration tower are two covers.
3. the negative pressure sweetener for coke-oven gas according to claim 2, it is characterized in that: negative pressure coal gas enters the duct section that pipeline leads to thionizer A and is provided with thionizer A intake valve after the described electric fishing, be provided with thionizer B intake valve at the duct section that leads to thionizer B, described thionizer A is communicated with desulfurization coal gas and returns the gas blower negative-pressure pipeline and be provided with gas exhausting valve, is provided with the two towers control valve of connecting at thionizer A desulfurization gas exit and pipeline between the thionizer B gas inlet.
4. the using method of the described negative pressure sweetener for coke-oven gas of claim 1, it is characterized in that: this equipment can two tower parallel runnings, close two towers series connection control valve during use, open gas exhausting valve, thionizer A intake valve and thionizer B intake valve, two thionizer parallel runnings, enter the gas inlet that the coal gas of pipeline enters thionizer A and thionizer B bottom respectively from negative pressure coal gas after the electric fishing, from bottom to top spray the doctor solution counter current contact of getting off with cat head, carry out the MODEL OF CHEMICAL ABSORPTION PROCESS of liquid phase catalytic oxidation, with the H in the coal gas
2S is absorbed in the doctor solution, absorb the ammonia in the coal gas simultaneously, to replenish the alkali source in the doctor solution, in order to keep certain catalyst concn and to reduce its consumption as far as possible, adopted by per 10,000 cubes of coal gas and added 28～35 gram H.P.F catalyzer measures continuously, coal gas enters the preceding negative pressure gas line of gas blower after the desulfurization, enters sulphur ammonium system after gas blower boosts, heats;
Absorbed H
2Doctor solution behind the S is by tower ground coal gas-liquid sealing groove, beaten to the regenerator column bottom by solution circulation pump, simultaneously from air compressor plant pressurized air and flow to into regenerator column A, B, doctor solution is carried out oxidation regeneration, the solution after the regeneration recycles from flowing back to thionizer through regulator of level from cat head;
The dispersing gas of regeneration overhead drains in the preceding gas line of thionizer, and guaranteeing does not have toxic and harmful to be discharged in the atmosphere;
When accident occurring or stopping production, the doctor solution at the bottom of the thionizer through the flowing full groove from flowing to the accident groove, Awaiting Overhaul finish or stop production after returned in the system by pump again when going into operation.
5. the using method of the described negative pressure sweetener for coke-oven gas of claim 4, it is characterized in that: described equipment can two tower series operations, its method is: open thionizer A intake valve, close thionizer B intake valve, close gas exhausting valve, open two towers series connection control valve, coke-oven gas through first cold after temperature be～24 ℃, remove impurity such as tar in the coal gas, naphthalene through electric fishing after, at first enter thionizer A bottom, from bottom to top spray the doctor solution counter current contact of getting off with cat head, carry out the MODEL OF CHEMICAL ABSORPTION PROCESS of liquid phase catalytic oxidation, with the H in the coal gas
2S is absorbed in the doctor solution, absorb the ammonia in the coal gas simultaneously, to replenish the alkali source in the doctor solution, the coal gas of thionizer A top after through 1 grade of desulfurization enters thionizer B bottom, in thionizer B, carry out the secondary desulfurization, coal gas enters the preceding coal gas negative-pressure pipeline of gas blower after the desulfurization, enters sulphur ammonium system after gas blower boosts, heats;
Absorbed H
2Doctor solution behind the S is by tower ground coal gas-liquid sealing groove, beaten to the regenerator column bottom by solution circulation pump, simultaneously from air compressor plant pressurized air and flow to into regenerator column A, B, doctor solution is carried out oxidation regeneration, the solution after the regeneration recycles from flowing back to thionizer through regulator of level from cat head;
The dispersing gas of regeneration overhead drains in the preceding gas line of thionizer, and guaranteeing does not have toxic and harmful to be discharged in the atmosphere;
When accident occurring or stopping production, the doctor solution at the bottom of the thionizer through the flowing full groove from flowing to the accident groove, Awaiting Overhaul finish or stop production after returned in the system by pump again when going into operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310319953XA CN103343022A (en) | 2013-07-26 | 2013-07-26 | Negative-pressure desulfurization technology and equipment for coke gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310319953XA CN103343022A (en) | 2013-07-26 | 2013-07-26 | Negative-pressure desulfurization technology and equipment for coke gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103343022A true CN103343022A (en) | 2013-10-09 |
Family
ID=49277851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310319953XA Pending CN103343022A (en) | 2013-07-26 | 2013-07-26 | Negative-pressure desulfurization technology and equipment for coke gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103343022A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI486203B (en) * | 2013-12-19 | 2015-06-01 | China Steel Corp | Method for extending the operating cycle of hydrogen sulfide scrubber in coke oven |
| CN104910970A (en) * | 2015-05-22 | 2015-09-16 | 张玲 | Series-process coal gas desulfurization process method and desulfurization device therefor |
| CN106215663A (en) * | 2016-08-31 | 2016-12-14 | 山东铁雄新沙能源有限公司 | Desulphurization system that a kind of negative pressure and malleation combine and technique |
| CN107763436A (en) * | 2017-11-30 | 2018-03-06 | 北京首钢国际工程技术有限公司 | A kind of coking desulfurization regenerator exhaust treatment system pipeline |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101671581A (en) * | 2009-09-28 | 2010-03-17 | 孙启玉 | Ammonia-soda coupled oven gas desulfurization process |
| CN102181309A (en) * | 2011-03-30 | 2011-09-14 | 山西太钢不锈钢股份有限公司 | Multistage operational method of coke oven gas desulfurizing tower |
-
2013
- 2013-07-26 CN CN201310319953XA patent/CN103343022A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101671581A (en) * | 2009-09-28 | 2010-03-17 | 孙启玉 | Ammonia-soda coupled oven gas desulfurization process |
| CN102181309A (en) * | 2011-03-30 | 2011-09-14 | 山西太钢不锈钢股份有限公司 | Multistage operational method of coke oven gas desulfurizing tower |
Non-Patent Citations (6)
| Title |
|---|
| 何建平: "《炼焦化学产品回收与加工》", 30 June 2005, 化学工业出版社 * |
| 康春清 等: "煤气半负压工艺的开发与应用", 《山东冶金》 * |
| 易定秀 等: "HPF法脱硫影响因素分析及对策", 《涟钢科技与管理》 * |
| 赵春辉: "HPF法焦炉煤气脱硫工艺的生产实践", 《煤化工》 * |
| 邵红英: "浅谈焦炉煤气HPF氨法脱硫工艺", 《河北冶金》 * |
| 钟锦明: "氨法HPF焦炉煤气脱硫工艺的开发", 《燃料与化工》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI486203B (en) * | 2013-12-19 | 2015-06-01 | China Steel Corp | Method for extending the operating cycle of hydrogen sulfide scrubber in coke oven |
| CN104910970A (en) * | 2015-05-22 | 2015-09-16 | 张玲 | Series-process coal gas desulfurization process method and desulfurization device therefor |
| CN106215663A (en) * | 2016-08-31 | 2016-12-14 | 山东铁雄新沙能源有限公司 | Desulphurization system that a kind of negative pressure and malleation combine and technique |
| CN107763436A (en) * | 2017-11-30 | 2018-03-06 | 北京首钢国际工程技术有限公司 | A kind of coking desulfurization regenerator exhaust treatment system pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101584958B (en) | Movable desorption device of activated coke | |
| CN209348416U (en) | A kind of de- CO system of sintering flue gas and desulfurizing and denitrifying | |
| CN100560698C (en) | Directly utilize vacuum carbonation coal gas desulfurization technology and the equipment thereof of raw gas waste heat for the desorb thermal source | |
| CN102225297B (en) | Heat pump regeneration process for desulphurization solvent used in flue gas desulphurization by solvent cyclic absorption method | |
| CN201342319Y (en) | Desulfurization device | |
| CN111847381B (en) | Method and device for preparing hydrogen from industrial waste gas | |
| CN103691260A (en) | Heat recovery water-saving system for desulfuration by wet process and process thereof | |
| CN103343022A (en) | Negative-pressure desulfurization technology and equipment for coke gas | |
| CN102838088B (en) | Integrated sour gas treating process | |
| CN101457162A (en) | Wet-type absorption coke oven gas desulphurization and decyanation process using ammine as alkali source | |
| CN210826085U (en) | Blast furnace gas catalytic desulfurization device | |
| CN103721760B (en) | Co-Mo sulfur-tolerant wide temperature shift catalyst closed cycle sulfuration process | |
| CN1817410A (en) | Complete equipment for decreasing push, increasing pressure and desulfurizing and desulfurization thereof | |
| CN103446861A (en) | Circulating treatment method for regenerated waste gas produced in temperature swing adsorption desulfurization | |
| CN110982566A (en) | Process for removing organic sulfur in natural gas | |
| CN104607014B (en) | Energy-saving process for heating tail gas by using surplus steam | |
| CN203382730U (en) | Negative pressure desulfurization equipment for coke oven gas | |
| CN205182747U (en) | A catalyst regeneration system for methanol to propylene reaction unit | |
| CN101857810B (en) | Novel full negative pressure coke oven gas purifying combination process | |
| CN202355997U (en) | CO2 absorption tower and low-temperature methanol washing equipment comprising same | |
| CN101955806B (en) | Full negative pressure coke oven gas purification integrated process | |
| CN102876828B (en) | Reducing gas purification process and system matched with gas-based shaft furnace | |
| CN110591769A (en) | Blast furnace gas catalytic desulfurization device and method | |
| CN201419072Y (en) | Device for recovering active coke | |
| CN109251771B (en) | Process and device for desulfurization and decyanation by catalyst method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131009 |