CN102886190A - Technique for desulfurizing flue gas by using activated cokes and device used in technique - Google Patents
Technique for desulfurizing flue gas by using activated cokes and device used in technique Download PDFInfo
- Publication number
- CN102886190A CN102886190A CN2012104000622A CN201210400062A CN102886190A CN 102886190 A CN102886190 A CN 102886190A CN 2012104000622 A CN2012104000622 A CN 2012104000622A CN 201210400062 A CN201210400062 A CN 201210400062A CN 102886190 A CN102886190 A CN 102886190A
- Authority
- CN
- China
- Prior art keywords
- flue gas
- desulfurization
- activated coke
- adsorption tower
- nitrogen
- 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.)
- Granted
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The invention relates to a technique for desulfurizing flue gas by using activated cokes, comprising the following steps of: feeding flue gas: feeding original flue gas in a desulfurization adsorption tower by a flue gas feeder; desulfurizing: enabling the original flue gas fed in the desulfurization adsorption tower to completely contact with activated cokes in the tower, removing SO2 in the original flue gas, and exhausting the pure flue gas subjected to the desulfurization adsorption; recovering activated cokes; absorbing saturated activated cokes, transmitting the saturated activated cokes to a vibrating screen by a conveying mechanism, sorting out qualified activated cokes and feeding the qualified activated cokes in a regeneration tower; and regenerating activated cokes: desorbing the activated cokes by nitrogen heated by an electric heater to release SO2, transmitting SO2 to a sulfuric acid production place by a regeneration fan, cooling the nitrogen by a heat exchanger, and transmitting the nitrogen to the regeneration tower by a heat exchange fan for cooling activated cokes, and feeding the processed activated cokes back to the desulfurization adsorption tower by a chain-bucket transmission mechanism. In the technique, activated cokes are used as the main absorbent which is high in absorbing property and capable of effectively absorbing SO2; and a loop can be changed according to various running situations, so that the technique is suitable for various desulfurization situations and working conditions.
Description
Technical field
The present invention relates to a kind of activated coke desulfurization technique and device thereof.
Background technology
At present, sulfur removal technology adopts limestone desulfurization or ammoniacal liquor desulfurization usually, and these sulfur removal technologies reclaim difficulty, can produce secondary pollution, and cost is larger, and simultaneously, lime stone belongs to the solid housing, relatively poor to gaseous absorptivity, the energy that provides that needs is also more, can not realize the purpose of energy-conserving and environment-protective, although and the good cost of ammoniacal liquor absorbability is also higher, and the WITH AMMONIA TREATMENT after absorbing bothers, and is unfavorable for industrial production.
Summary of the invention
In view of the deficiencies in the prior art, the object of the present invention is to provide a kind of respond well, environmental protection and energy-conservation activated coke desulfurization technique and device thereof.
To achieve these goals, technical scheme of the present invention is: a kind of activated coke desulfurization technique comprises the steps:
1. send flue gas: former flue gas is sent in the desulfurization adsorption tower by the flue gas pressure fan;
2. desulfurization: the former flue gas that enters the desulfurization adsorption tower fully contacts with activated coke in the tower, removes the SO in the former flue gas
2, through the clean flue gas of desulfurization absorption by smoke stack emission;
3. reclaim activated coke: adsorb saturated activated coke and deliver to vibratory sieve by conveying mechanism, select qualified activated coke through vibrosieve and enter regenerator;
4. regeneration activity is burnt: activated coke discharges SO through electric heater heating and nitrogen desorb
2, SO
2Deliver to sulfuric acid processed place by the regeneration blower fan, nitrogen is lowered the temperature by heat exchanger, is delivered to regenerator cooling activated coke by the heat exchange blower fan again, and the activated coke after the processing is sent the desulfurization adsorption tower back to through the chain bucket transmission mechanism.
Further, described step 1. in when the desulfurization adsorption tower is in abnormal condition, former flue gas is directly from smoke stack emission.
Further, described step 3. in underproof activated coke directly discharge.
Further, the described step 4. nitrogen of middle loss is replenished from nitrogen pipeline, and described step 4. middle activated coke of losing is additional from feed bin.
Further, in order to realize above-mentioned technique, the invention provides a kind of activated coke desulfurization device, comprise the desulfurization adsorption tower, described desulfurization adsorption tower week, side was connected with flue gas pressure fan for delivery of former flue gas by pipeline, was connected with vibratory sieve by conveying mechanism bottom the described desulfurization adsorption tower, and described vibratory sieve is connected with regenerator, the all sides of described regenerator are provided with the electric heater for the heating activated coke, and all sides of described regenerator offer for delivery of SO
2Sulfuric acid pipeline processed, described regenerator is connected with desulfurization adsorption tower top by the chain bucket transmission mechanism, described desulfurization adsorption tower top is connected with chimney.
Further, be provided with between described flue gas pressure fan and the desulfurization adsorption tower be used to the former gas baffle of controlling former flue gas, be connected with the by-pass damper corresponding with former gas baffle between described flue gas pressure fan and the gas baffle, be provided with between described desulfurization adsorption tower and the chimney be used to stopping that former flue gas enters the clean gas baffle of desulfurization adsorption tower through by-pass damper.
Further, be provided with the feed bin that replenishes activated coke on the described chain bucket transmission mechanism, offer be used to the outlet that discharges defective active carbon on the described vibratory sieve.
Further, described regenerator week side be connected with the heat exchanger for reducing nitrogen temperature, be provided with between described heat exchanger and the regenerator loop for delivery of nitrogen the heat exchange blower fan, described regenerator week side be provided with the additional pipeline of nitrogen.
The present invention has the following advantages: adopt activated coke as main absorber, its absorbent properties are stronger, can effectively absorb SO
2, simultaneously, adopted again other mechanisms that middle product and adminicle are recycled, can environmental protection reduce again economic loss, in addition, can change operating loop for different operation conditions, be applicable to various desulphurization occasions and operating mode.
Description of drawings
Fig. 1 is the process chart of the embodiment of the invention.
Fig. 2 is the structure drawing of device of the embodiment of the invention.
Among the figure: 1-desulfurization adsorption tower, 2-flue gas pressure fan, 3-conveying mechanism, the 4-vibratory sieve, 5-regenerator, 6-electric heater, 7-sulfuric acid pipeline processed, 8-chain bucket transmission mechanism, 9-chimney, the former gas baffle of 10-, 11-by-pass damper, the clean gas baffle of 12-, the 13-feed bin, 14-outlet, 15-heat exchanger, 16-heat exchange blower fan, 17-nitrogen replenishes pipeline.
The specific embodiment
The present invention is further elaborated below in conjunction with drawings and Examples.
With reference to figure 1, a kind of activated coke desulfurization technique comprises the steps:
1. send flue gas: former flue gas is sent in the desulfurization adsorption tower by flue gas pressure fan 2;
2. desulfurization: the former flue gas that enters desulfurization adsorption tower 1 fully contacts with activated coke in the tower, removes the SO in the former flue gas
2, discharge by chimney 9 through the clean flue gas of desulfurization absorption;
3. reclaim activated coke: adsorb saturated activated coke and deliver to vibratory sieve 4 by conveying mechanism 3, sub-elect qualified activated coke through vibratory sieve 4 and enter regenerator 5;
4. regeneration activity is burnt: activated coke discharges SO through electric heater 6 heating and nitrogen desorb
2, SO
2Deliver to sulfuric acid processed place by the regeneration blower fan, nitrogen is delivered to again desorb of regenerator 5 by heat exchange blower fan 16 again by heat exchanger 15 coolings, and the activated coke after the processing is sent desulfurization adsorption tower 1 back to through chain bucket transmission mechanism 8.
In the present embodiment, described step 1. in when the desulfurization adsorption tower is in abnormal condition, former flue gas is directly from chimney 9 discharging.
In the present embodiment, described step 3. in underproof activated coke directly discharge.
In the present embodiment, the described step 4. nitrogen of middle loss is replenished from nitrogen pipeline, and described step 4. middle activated coke of losing is additional from feed bin 13.
In the present embodiment, with reference to figure 2, in order to realize above-mentioned technique, the invention provides a kind of activated coke desulfurization device, comprise desulfurization adsorption tower 1, described desulfurization adsorption tower 1 all sides are connected with flue gas pressure fan 2 for delivery of former flue gas by pipeline, described desulfurization adsorption tower 1 bottom is connected with vibratory sieve 4 by conveying mechanism 3, described vibratory sieve 4 is connected with regenerator 5, and described regenerator 5 all sides are provided with the electric heater 6 for the heating activated coke, and described regenerator 5 all sides offer for delivery of SO
2Sulfuric acid pipeline 7 processed, described regenerator 5 is connected with desulfurization adsorption tower 1 top by chain bucket transmission mechanism 8, described desulfurization adsorption tower 1 top is connected with chimney 9.
In the present embodiment, be provided with between described flue gas pressure fan 2 and the desulfurization adsorption tower 1 be used to the former gas baffle 10 of controlling former flue gas, be connected with the by-pass damper 11 corresponding with former gas baffle 10 between described flue gas pressure fan 2 and the gas baffle, be provided with between described desulfurization adsorption tower 1 and the chimney 9 be used to stopping that former flue gas enters the clean gas baffle 12 of desulfurization adsorption tower 1 through by-pass damper 11.
During work, when 1 normal operation of desulfurization adsorption tower, former flue gas enters desulfurization adsorption tower 1 from former gas baffle 10, after the decomposition, clean flue gas is 9 dischargings from clean gas baffle 12 to chimney, and when desulfurization adsorption tower 1 was improper, former flue gas directly entered chimney 9 dischargings from by-pass damper 11.
In the present embodiment, be provided with the feed bin 13 that replenishes activated coke on the described chain bucket transmission mechanism 8, offer be used to the outlet 14 that discharges defective active carbon on the described vibratory sieve 4.
In the present embodiment, described regenerator week side be connected with the heat exchanger 15 for reducing nitrogen temperature, be provided with between described heat exchanger 15 and the regenerator loop for delivery of nitrogen heat exchange blower fan 16, described regenerator week side be provided with the additional pipeline 17 of nitrogen.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to the present patent application claim change and modify, and all should belong to covering scope of the present invention.
Claims (8)
1. an activated coke desulfurization technique is characterized in that, comprises the steps:
1. send flue gas: former flue gas is sent in the desulfurization adsorption tower by the flue gas pressure fan;
2. desulfurization: the former flue gas that enters the desulfurization adsorption tower fully contacts with activated coke in the tower, removes the SO in the former flue gas
2, through the clean flue gas of desulfurization absorption by smoke stack emission;
3. reclaim activated coke: adsorb saturated activated coke and deliver to vibratory sieve by conveying mechanism, select qualified activated coke through vibrosieve and enter regenerator;
4. regeneration activity is burnt: activated coke discharges SO through the nitrogen desorb of electric heater heating
2, SO
2Deliver to sulfuric acid processed place by the regeneration blower fan, nitrogen is lowered the temperature by heat exchanger, is delivered to regenerator cooling activated coke by the heat exchange blower fan again, and the activated coke after the processing is sent the desulfurization adsorption tower back to through the chain bucket transmission mechanism.
2. activated coke desulfurization technique according to claim 1 is characterized in that, described step 1. in when the desulfurization adsorption tower is in abnormal condition, former flue gas is directly from smoke stack emission.
3. activated coke desulfurization technique according to claim 1 is characterized in that, described step 3. in underproof activated coke directly discharge.
4. activated coke desulfurization technique according to claim 1 is characterized in that, the described step 4. nitrogen of middle loss is replenished from nitrogen pipeline, and described step 4. middle activated coke of losing is additional from feed bin.
5. activated coke desulfurization device, it is characterized in that, comprise the desulfurization adsorption tower, described desulfurization adsorption tower week, side was connected with flue gas pressure fan for delivery of former flue gas by pipeline, described desulfurization adsorption tower bottom is connected with vibratory sieve by conveying mechanism, described vibratory sieve is connected with regenerator, and all sides of described regenerator are provided with the electric heater for the heating activated coke, and all sides of described regenerator offer for delivery of SO
2Sulfuric acid pipeline processed, described regenerator is connected with desulfurization adsorption tower top by the chain bucket transmission mechanism, described desulfurization adsorption tower top is connected with chimney.
6. the activated coke desulfurization device of telling according to claim 5, it is characterized in that, be provided with between described flue gas pressure fan and the desulfurization adsorption tower be used to the former gas baffle of controlling former flue gas, be connected with the by-pass damper corresponding with former gas baffle between described flue gas pressure fan and the gas baffle, be provided with between described desulfurization adsorption tower and the chimney be used to stopping that former flue gas enters the clean gas baffle of desulfurization adsorption tower through by-pass damper.
7. the activated coke desulfurization device of telling according to claim 5 is characterized in that, is provided with the feed bin that replenishes activated coke on the described chain bucket transmission mechanism, offers be used to the outlet that discharges defective active carbon on the described vibratory sieve.
8. the activated coke desulfurization device of telling according to claim 5, it is characterized in that, the all sides of described regenerator are connected with the heat exchanger for reducing nitrogen temperature, be provided with between described heat exchanger and the regenerator loop for delivery of nitrogen the heat exchange blower fan, described regenerator week side be provided with nitrogen and replenish pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210400062.2A CN102886190B (en) | 2012-10-20 | 2012-10-20 | Technique for desulfurizing flue gas by using activated cokes and device used in technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210400062.2A CN102886190B (en) | 2012-10-20 | 2012-10-20 | Technique for desulfurizing flue gas by using activated cokes and device used in technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102886190A true CN102886190A (en) | 2013-01-23 |
| CN102886190B CN102886190B (en) | 2015-03-18 |
Family
ID=47529994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210400062.2A Active CN102886190B (en) | 2012-10-20 | 2012-10-20 | Technique for desulfurizing flue gas by using activated cokes and device used in technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102886190B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103405991A (en) * | 2013-08-22 | 2013-11-27 | 上海克硫环保科技股份有限公司 | Energy-efficient comprehensive desulfurization and purification system and method for active coke of different flue gases |
| CN103894040A (en) * | 2014-03-24 | 2014-07-02 | 中国科学院过程工程研究所 | Active coke moving bed modularizing device for flue gas desulfurization and denitrification |
| CN104368219A (en) * | 2014-11-07 | 2015-02-25 | 紫金铜业有限公司 | Metallurgical off-gas acid-making tail gas desulfurization and regeneration system |
| CN104492225A (en) * | 2014-11-10 | 2015-04-08 | 来宾华锡冶炼有限公司 | Method for processing sulfur dioxide flue gas from acid making and processing system |
| CN109794146A (en) * | 2019-03-28 | 2019-05-24 | 中冶南方都市环保工程技术股份有限公司 | A kind of grate kiln SNCR/SCR denitration and active coke desulphurizing combined system and technique |
| CN110075662A (en) * | 2019-05-31 | 2019-08-02 | 中石化炼化工程（集团）股份有限公司 | The device and method of SOx and NOx pollutant in a kind of removing regeneration fume from catalytic cracking |
| CN111701408A (en) * | 2020-07-27 | 2020-09-25 | 重庆鲍斯净化设备科技有限公司 | High-efficiency adsorption type compressed air drying system |
| CN111774046A (en) * | 2020-07-27 | 2020-10-16 | 北京石油化工工程有限公司 | Liquid-phase hydrocarbon sulfur dioxide adsorbent regeneration system and method |
| CN113120871A (en) * | 2020-01-16 | 2021-07-16 | 吉林紫金铜业有限公司 | Method for heating desulfurization nitrogen in acid preparation by smelting flue gas |
| CN113648808A (en) * | 2021-08-31 | 2021-11-16 | 中冶华天工程技术有限公司 | Activated coke desulfurization and denitrification process based on synergistic effect of ozone and ammonia gas |
| CN115178089A (en) * | 2022-08-11 | 2022-10-14 | 国能锅炉压力容器检验有限公司 | Purify and regenerate charcoal base catalyst flue gas processing apparatus of one tower ization |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202010498U (en) * | 2011-04-08 | 2011-10-19 | 中国电力工程顾问集团公司 | Activated coke regeneration heating system in flue gas desulfurization system of activated coke boiler |
| CN202860364U (en) * | 2012-10-20 | 2013-04-10 | 福建鑫泽环保设备工程有限公司 | Active coke flue gas desulfurization device |
-
2012
- 2012-10-20 CN CN201210400062.2A patent/CN102886190B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202010498U (en) * | 2011-04-08 | 2011-10-19 | 中国电力工程顾问集团公司 | Activated coke regeneration heating system in flue gas desulfurization system of activated coke boiler |
| CN202860364U (en) * | 2012-10-20 | 2013-04-10 | 福建鑫泽环保设备工程有限公司 | Active coke flue gas desulfurization device |
Non-Patent Citations (2)
| Title |
|---|
| 徐旭常、周立行主编: "《燃烧技术手册》", 31 August 2008, 化学工业出版社 * |
| 杨毅等: "可资源化活性焦烟气脱硫技术简介", 《环境保护》 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103405991A (en) * | 2013-08-22 | 2013-11-27 | 上海克硫环保科技股份有限公司 | Energy-efficient comprehensive desulfurization and purification system and method for active coke of different flue gases |
| CN103894040A (en) * | 2014-03-24 | 2014-07-02 | 中国科学院过程工程研究所 | Active coke moving bed modularizing device for flue gas desulfurization and denitrification |
| CN104368219A (en) * | 2014-11-07 | 2015-02-25 | 紫金铜业有限公司 | Metallurgical off-gas acid-making tail gas desulfurization and regeneration system |
| CN104368219B (en) * | 2014-11-07 | 2016-07-06 | 紫金铜业有限公司 | A kind of metallurgical off-gas acid-making tail gas desulfurization regenerative system |
| CN104492225A (en) * | 2014-11-10 | 2015-04-08 | 来宾华锡冶炼有限公司 | Method for processing sulfur dioxide flue gas from acid making and processing system |
| CN109794146B (en) * | 2019-03-28 | 2024-04-26 | 中冶南方都市环保工程技术股份有限公司 | Grate-rotary kiln SNCR/SCR denitration and active coke desulfurization combined system and process |
| CN109794146A (en) * | 2019-03-28 | 2019-05-24 | 中冶南方都市环保工程技术股份有限公司 | A kind of grate kiln SNCR/SCR denitration and active coke desulphurizing combined system and technique |
| CN110075662A (en) * | 2019-05-31 | 2019-08-02 | 中石化炼化工程（集团）股份有限公司 | The device and method of SOx and NOx pollutant in a kind of removing regeneration fume from catalytic cracking |
| CN113120871A (en) * | 2020-01-16 | 2021-07-16 | 吉林紫金铜业有限公司 | Method for heating desulfurization nitrogen in acid preparation by smelting flue gas |
| CN111774046A (en) * | 2020-07-27 | 2020-10-16 | 北京石油化工工程有限公司 | Liquid-phase hydrocarbon sulfur dioxide adsorbent regeneration system and method |
| CN111701408A (en) * | 2020-07-27 | 2020-09-25 | 重庆鲍斯净化设备科技有限公司 | High-efficiency adsorption type compressed air drying system |
| CN113648808A (en) * | 2021-08-31 | 2021-11-16 | 中冶华天工程技术有限公司 | Activated coke desulfurization and denitrification process based on synergistic effect of ozone and ammonia gas |
| CN115178089A (en) * | 2022-08-11 | 2022-10-14 | 国能锅炉压力容器检验有限公司 | Purify and regenerate charcoal base catalyst flue gas processing apparatus of one tower ization |
| CN115178089B (en) * | 2022-08-11 | 2024-01-23 | 国能锅炉压力容器检验有限公司 | Purifying and regenerating one-tower carbon-based catalyst flue gas treatment device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102886190B (en) | 2015-03-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102886190B (en) | Technique for desulfurizing flue gas by using activated cokes and device used in technique | |
| KR102122673B1 (en) | Method and apparatus for flue gas desulfurization and denitrification | |
| CN111495112A (en) | Low temperature removes integration of bed and adsorbs SOx/NOx control system | |
| WO2018000888A1 (en) | Flue gas desulfurization and denitrification method and device capable of preventing corrosion | |
| CN211886232U (en) | Sodium-based dry desulfurization system applied to low-sulfur flue gas working condition | |
| CN212915058U (en) | Low temperature removes integration of bed and adsorbs SOx/NOx control system | |
| CN104195326A (en) | Sintering energy-saving technique and system capable of removing multiple pollutants | |
| CN107961770B (en) | Regeneration system and regeneration method of adsorbent in coke oven flue gas purification | |
| CN202860364U (en) | Active coke flue gas desulfurization device | |
| CN111495111A (en) | Low temperature fixed bed integration adsorbs SOx/NOx control system | |
| CN106693603A (en) | Activated carbon method flue gas cleaning device and flue gas cleaning method | |
| CN108745331B (en) | Novel activated carbon analysis tower and activated carbon analysis process | |
| CN105688873A (en) | Thermal desorption method and device for activated carbon | |
| CN102266702A (en) | Method for capturing ammonia in industrial waste gas and equipment and application thereof | |
| CN105536428A (en) | Organic waste gas purification system and purification method | |
| CN206240259U (en) | A kind of flue gas desulfurization and denitrification device | |
| CN101396635A (en) | Semi-gas desulfurization technological process of flue gas of sinter machine | |
| CN201586464U (en) | Large-scale active coke convection adsorption flue gas purification system | |
| CN106839794B (en) | Sintering flue gas desulfurization and denitrification and waste heat recovery integrated system and implementation method | |
| KR102055976B1 (en) | A single compression system and process for capturing carbon dioxide | |
| CN101497029B (en) | Sorbent for removing mercury from flue gas and preparation method thereof | |
| CN101569819A (en) | Flue gas desulfurization process for comprehensively utilizing sintering flue gas | |
| CN202224048U (en) | Sintering flue gas treatment device | |
| CN102145245B (en) | Large active coke convection/adsorption gas purifying system and purifying method | |
| CN105233645A (en) | Energy saving and emission reduction comprehensive purifying treatment technology of coke oven flue gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |