CN201855648U - Fume processing system - Google Patents
Fume processing system Download PDFInfo
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- CN201855648U CN201855648U CN2010205302414U CN201020530241U CN201855648U CN 201855648 U CN201855648 U CN 201855648U CN 2010205302414 U CN2010205302414 U CN 2010205302414U CN 201020530241 U CN201020530241 U CN 201020530241U CN 201855648 U CN201855648 U CN 201855648U
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Abstract
The utility model discloses a fume processing system and relates to the smoke gas treatment in kilns in such industries as cement and glass. The fume processing system is designed for improving the dust removal efficiency and the decarbonization efficiency. The fume processing system comprises a dust removal system and a decarburization system connected with the dust removal system. A temperature adjusting and preprocessing system is connected between the dust removal system and the decarburization system. The fume processing system is suitable for dust removal and decarbonization of the smoke gas in such industries as cement and glass and the like.
Description
Technical field
The invention belongs to the air contaminant treatment technical field, relate to cement, glass industry kiln gas and administer, specially refer to and from flue gas, capture the process system that solid dust and carbon dioxide remove.
Background technology
China's atmospheric dust pollution mainly stems from cement, thermoelectricity and metallurgical three big industries at present, and wherein the discharge capacity of cement industry leaps to the first, and relevant data shows that the cement industry dust discharge amount was nearly 4,000 ten thousand tons in 2009; Discharging enters the CO of atmosphere
2Nearly 16.3 hundred million tons.
As the greenhouse gases that impel climate warming, CO
2Be wherein to the gas of climate change effect maximum, the warming effect that its produces accounts for 63% of the total warming effect of all greenhouse gases, and the retention phase in atmosphere is the longest.Along with my increasingly stringent of environmental protection standard and the carbon emission tax that may levy from now on, cement industry will face environmental pressure such as elimination of dust contamination, carbon dioxide discharge-reduction and because of imposing the cost pressure that carbon tax increases.Therefore, the development process system that how effectively captures dust and remove carbon dioxide from kiln gas seems very urgent.And the glass work that belongs to building material industry together also is faced with same problem.
At cement, glass industry, the dust collecting process system is maturation and large-scale application quite at present, and its efficiency of dust collection has reached more than 99%, and dust removing effects is remarkable; The capture process system of carbon dioxide then rarely has mechanism and personnel to study.At traditional industrial circle, as Ammonia Production, natural gas purification etc., the capture of carbon dioxide industrialization, a class is the Physical Absorption method, promptly utilizes CO2 can be dissolved in this characteristic of certain liquid.Absorbent commonly used has water, methyl alcohol, sulfolane, propene carbonate etc.Another kind of is chemical absorption method, CO
2Be sour gas, available alkaline absorbent carries out chemical reaction and removes.The aqueous solution or sulfolane solution, ammoniacal liquor etc. as wet chemical, monoethanolamine.Because cement glass industry kiln gas amount is big, the exhaust gas components complexity is handled if carry out dedusting or decarbonization process separately, and then treatment effeciency is low, and can not satisfy environmental requirement.
The utility model content
Technical problem to be solved in the utility model provides the high smoke processing system of a kind of treatment effeciency.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of smoke processing system comprises dust pelletizing system and the decarbonization system that links to each other with described dust pelletizing system.
Further, between described dust pelletizing system and described decarbonization system, be connected with the temperature adjustment pretreatment system.
Wherein, described smoke processing system is cement or glass industry kiln gas system; Described dust pelletizing system is sack cleaner, electric-bag complex dust collector, efficient cottrell or high-temperature ceramic filter.Described temperature adjustment pretreatment system is the Controllable Temperature type heat exchanger.
Described decarbonization system comprises the absorption tower, and wherein, the bottom on described absorption tower is provided with smoke inlet, and the top on described absorption tower is provided with exhanst gas outlet; Described smoke inlet links to each other with the exhanst gas outlet of described temperature adjustment pretreatment system; The top on described absorption tower is provided with the absorption liquid inlet, and the bottom on described absorption tower is provided with the absorption liquid outlet; The inside on described absorption tower is provided with gas distribution grid in the place, top position of described smoke inlet, the lower position that the inside on described absorption tower is positioned at described absorption liquid inlet is provided with liquid distribution trough, is provided with packing layer between described gas distribution grid and described liquid distribution trough.
Further, the inside on described absorption tower is provided with demister near the position of described exhanst gas outlet.
Described decarbonization system also comprises regenerator, and the top of described regenerator links to each other with the absorption liquid outlet of bottom, described absorption tower; The below of wherein said regenerator is provided with boiling device; Top at described regenerator is provided with gas vent, and the bottom is provided with the outlet of the absorption liquid after the heating.
Described decarbonization system also comprises the carbon dioxide recovery system, in accordance that links to each other with the gas vent at described regenerator top, wherein said carbon dioxide recovery system, in accordance comprises: the cooler that links to each other with the gas vent at described regenerator top, the gas-liquid separator that links to each other with described cooler, the drier that links to each other with described gas-liquid separator, and the continuous compressor of described drier.
Described decarbonization system also comprises solution for make-up system, and described solution links to each other with the absorption liquid inlet on top, described absorption tower for make-up system.
Described solution links to each other for the described outlet of make-up system with the regenerator bottom, wherein said solution comprises for make-up system: the cooler that links to each other with the described outlet of regenerator bottom, the filter that links to each other with described cooler, and the regenerated liquid recover that links to each other with described filter; Wherein said regenerated liquid recover links to each other with the described absorption liquid inlet on top, absorption tower.
Compared with prior art, the utility model smoke processing system, dust pelletizing system and decarbonization system are connected together, and promptly enter decarbonization system after flue gas is handled through dust pelletizing system and carry out carbonization treatment, have improved the efficient to the dedusting and the decarburization of flue gas.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
The specific embodiment
The utility model aims to provide the high smoke processing system of a kind of treatment effeciency.Below in conjunction with drawings and Examples the utility model is elaborated.
Referring to shown in Figure 1, the utility model embodiment cement or glass industry kiln gas treatment system comprise dust pelletizing system 2 and the decarbonization system that links to each other with described dust pelletizing system.
The utility model smoke processing system, dust pelletizing system and decarbonization system are connected together, and promptly enter decarbonization system after cement or glass industry kiln gas 1 are handled through dust pelletizing system and carry out carbonization treatment, have improved the efficient to the dedusting and the decarburization of flue gas.
Adjust to the temperature range that is fit to decarburization for the flue-gas temperature after will handling from dust pelletizing system,, between described dust pelletizing system 2 and described decarbonization system, be connected with temperature adjustment pretreatment system 3 for decarburization is got ready.This temperature adjustment pretreatment system can be conditioning Tower, cooler etc., specifically can use according to the different choice of dust pelletizing system type selecting.Preferably, described temperature adjustment pretreatment system is the Controllable Temperature type heat exchanger.
Described dust pelletizing system 2 adopts high-efficiency dust remover, and its efficiency of dust collection must be in order to prevent that dust in flue gas is at collecting carbonic anhydride stage precipitation blocking pipe more than 99% like this.The type selecting of high-efficiency dust remover includes but not limited to large-scale sack cleaner, electric-bag complex dust collector, efficient cottrell or high-temperature ceramic filter etc.
Described decarbonization system comprises absorption tower 5, and wherein, the bottom on described absorption tower is provided with smoke inlet, and the top on described absorption tower is provided with exhanst gas outlet 22; Described smoke inlet links to each other with the exhanst gas outlet of described temperature adjustment pretreatment system 3; The top on described absorption tower is provided with the absorption liquid inlet, and the bottom on described absorption tower is provided with the absorption liquid outlet; The inside on described absorption tower is provided with gas distribution grid 6 in the place, top position of described smoke inlet, and the flue gas that enters in the absorption tower is evenly distributed, and is beneficial to and the absorption liquid haptoreaction; Gas can be contacted with absorption liquid uniformly; The lower position that the inside on described absorption tower is positioned at described absorption liquid inlet is provided with liquid distribution trough 24, and liquid can evenly be flowed downward; Between described gas distribution grid and described liquid distribution trough, be provided with packing layer 4.
Enter in the absorption tower through the smoke inlet of the flue gas that is rich in carbon dioxide after dedusting and the temperature adjustment by the bottom, absorption tower, flue gas flows from bottom to top, behind gas distribution grid 6, contact both relative counter current contacting from top to bottom with the absorption liquid (being lean solution) that flows from top, absorption tower.Absorption liquid absorbs the carbon dioxide in the flue gas, becomes rich solution and is flowed out by the outlet of bottom, absorption tower, removes the flue gas of carbon dioxide, is discharged in the atmosphere through the exhanst gas outlet 22 on top, absorption tower.
The inside on described absorption tower is provided with demister 23 near the position of described exhanst gas outlet.The flue gas of sloughing carbon dioxide carries out demist by demister 23, so that reduce the consumption of water and absorption liquid as much as possible because of carrying the part solution vapor.
Further, described decarbonization system also comprises regenerator 12, and the top of described regenerator 12 links to each other with the absorption liquid outlet of 5 bottoms, described absorption tower; The below of wherein said regenerator is provided with boiling device 13; Top at described regenerator is provided with gas vent, and the bottom is provided with the outlet of the absorption liquid after the heating.
Absorption liquid by the bottom, absorption tower exports the rich solution that is absorbed with carbon dioxide of outflow through pipeline, be transported to poor rich liquid heat exchanger 10 by pump 9, behind the absorption and regeneration liquid heat, enter into regenerator 12 inside by regenerator 12 upper entrances, there is boiling device the regenerator below, heat energy source can be cement glass using residual heat from kiln furnace system, also can supply heat energy separately.
The rich solution that is absorbed with carbon dioxide is separated out carbon dioxide and is become lean solution under the effect of boiling device, and the regenerated liquid after the parsing is flowed out by regenerator 12 outlet at bottoms.
Further, described decarbonization system also comprises the carbon dioxide recovery system, in accordance that links to each other with the gas vent at described regenerator 12 tops, wherein said carbon dioxide recovery system, in accordance comprises: the cooler 18 that links to each other with the gas vent at described regenerator top, the gas-liquid separator 17 that links to each other with described cooler 18, the drier 16 that links to each other with described gas-liquid separator, and the compressor 15 that links to each other of described drier 16.
Under the wash mill effect of regenerator top, absorption liquid steam is effectively removed by carbon dioxide and the mist that partially absorbs the liquid vapour composition.The carbon dioxide and the part steam that remove absorption liquid steam are discharged by the outlet of regenerator top, through subcooler 18, and gas-liquid separator 17, water vapour is effectively removed, and sends back to regenerator 12, recycles.Carbon dioxide after the dehydration is further dry via drier 16, and by compressor 15 compression boil down to liquid state, final, highly purified liquid carbon dioxide uses dedicated storage jar or pipeline 14 to be transported to the place that is fit to seal up for safekeeping and seals up for safekeeping.
Further, described decarbonization system also comprises solution for make-up system, and described solution links to each other with the absorption liquid inlet on top, described absorption tower for make-up system.
Wherein, described solution links to each other for the described outlet of make-up system with the regenerator bottom, wherein said solution comprises for make-up system: the cooler 11 that links to each other with the described outlet of regenerator bottom, the filter 7 that links to each other with described cooler 11, and the regenerated liquid recover 8 that links to each other with described filter 7; Wherein said regenerated liquid recover links to each other with the described absorption liquid inlet on top, absorption tower.
After regenerated liquid after the parsing is flowed out by regenerator 12 outlet at bottoms,,, filter out impurities through filter 7 again, enter in the regenerated liquid recover 8 through subcooler 11 coolings by being pumped to poor rich liquid heat exchanger 10 heat exchange.The regenerated liquid recover also links to each other with solution storage trough 20, and fresh solution is arranged in the solution storage trough, and along with the loss of carbon dioxide absorption liquid in the system, solution storage trough can replenish fresh solution to regenerated liquid recover 8 at any time.Regenerated liquid after benefit is dashed flows out through the outlet of regenerated liquid recover 8 bottoms, through pump and cooler 21, finally gets back to cycling and reutilization in the absorption tower 5.The solution storage trough 20 directly supplying carbon dioxide absorption liquid in absorption tower 5 that also links to each other with absorption tower 5.Can replenish fresh solution to solution storage trough 20 by pipeline 19.
Can realize the connection in series-parallel and the series-parallel connection of regenerated liquid recover 8 and solution storage trough 20 by pipeline and pipeline control original paper, thereby select rational lean solution to supply with scheme according to working condition, save the purpose of carbon dioxide absorption liquid with under the situation that satisfies carbon dioxide absorption.Alternative lean solution supply scheme comprises following several:
1) supplies with regenerated liquid separately by the regenerated liquid recover;
2) supply with fresh solution separately by solution storage trough;
3) after regenerated liquid recover supply fresh solution, supply with carbon dioxide absorption liquid separately by solution storage trough by the regenerated liquid recover;
4) respectively supply with carbon dioxide absorption liquid by regenerated liquid recover and solution storage trough by solution storage trough after regenerated liquid recover supply fresh solution, the supply route can be but be not limited to regenerated liquid recover supply washing section that solution storage trough is supplied with absorber portion.
The utility model embodiment smoke processing system is conceived to the needs of current and following air contaminant treatment, fully taking into account under the situation of characteristics such as cement, glass industry smoke components complexity, exhaust gas volumn is big, the dedusting and the decarbonization process of kiln gas are united, realize the slitless connection of flue gas treating process system, and then realize the maximization of dedusting, decarburization efficient, satisfy environmental requirement.
The utility model embodiment smoke processing system be to describe with the example that is treated to cement or glass industry kiln gas, but the utility model is not limited to this.The utility model smoke processing system also can be applicable to the processing of other industry kiln gas.
The above; it only is the specific embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; any those of ordinary skill in the art are in the disclosed technical scope of the utility model; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claims were limited.
Claims (10)
1. a smoke processing system is characterized in that, comprises dust pelletizing system and the decarbonization system that links to each other with described dust pelletizing system.
2. smoke processing system according to claim 1 is characterized in that, is connected with the temperature adjustment pretreatment system between described dust pelletizing system and described decarbonization system.
3. smoke processing system according to claim 1 is characterized in that, described smoke processing system is cement or glass industry kiln gas system; Described dust pelletizing system is sack cleaner, electric-bag complex dust collector, efficient cottrell or high-temperature ceramic filter.
4. smoke processing system according to claim 2 is characterized in that, described temperature adjustment pretreatment system is the Controllable Temperature type heat exchanger.
5. smoke processing system according to claim 2 is characterized in that described decarbonization system comprises the absorption tower, and wherein, the bottom on described absorption tower is provided with smoke inlet, and the top on described absorption tower is provided with exhanst gas outlet; Described smoke inlet links to each other with the exhanst gas outlet of described temperature adjustment pretreatment system;
The top on described absorption tower is provided with the absorption liquid inlet, and the bottom on described absorption tower is provided with the absorption liquid outlet;
The inside on described absorption tower is provided with gas distribution grid in the place, top position of described smoke inlet, the lower position that the inside on described absorption tower is positioned at described absorption liquid inlet is provided with liquid distribution trough, is provided with packing layer between described gas distribution grid and described liquid distribution trough.
6. smoke processing system according to claim 5 is characterized in that, the inside on described absorption tower is provided with demister near the position of described exhanst gas outlet.
7. smoke processing system according to claim 5 is characterized in that described decarbonization system also comprises regenerator, and the top of described regenerator links to each other with the absorption liquid outlet of bottom, described absorption tower; Wherein
The below of described regenerator is provided with boiling device;
Top at described regenerator is provided with gas vent, and the bottom is provided with the outlet of the absorption liquid after the heating.
8. smoke processing system according to claim 7 is characterized in that, described decarbonization system also comprises the carbon dioxide recovery system, in accordance that links to each other with the gas vent at described regenerator top, and wherein said carbon dioxide recovery system, in accordance comprises:
With the cooler that the gas vent at described regenerator top links to each other, the gas-liquid separator that links to each other with described cooler, the drier that links to each other with described gas-liquid separator, and the continuous compressor of described drier.
9. smoke processing system according to claim 7 is characterized in that, described decarbonization system also comprises solution for make-up system, and described solution links to each other with the absorption liquid inlet on top, described absorption tower for make-up system.
10. smoke processing system according to claim 9 is characterized in that, described solution links to each other for the described outlet of make-up system with the regenerator bottom, wherein
Described solution comprises for make-up system: with the cooler that the described outlet of regenerator bottom links to each other, the filter that links to each other with described cooler, and the regenerated liquid recover that links to each other with described filter; Wherein said regenerated liquid recover links to each other with the described absorption liquid inlet on top, absorption tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205302414U CN201855648U (en) | 2010-09-16 | 2010-09-16 | Fume processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205302414U CN201855648U (en) | 2010-09-16 | 2010-09-16 | Fume processing system |
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| Publication Number | Publication Date |
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| CN201855648U true CN201855648U (en) | 2011-06-08 |
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| CN2010205302414U Expired - Fee Related CN201855648U (en) | 2010-09-16 | 2010-09-16 | Fume processing system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357326A (en) * | 2011-10-18 | 2012-02-22 | 中国华能集团清洁能源技术研究院有限公司 | Decarbonization smoke preprocessing system integrated with gas desulfurization system |
| CN104138709A (en) * | 2013-05-09 | 2014-11-12 | 株式会社东芝 | CARBON DIOXIDE RECOVERY SYSTEM AND OPERATING METHOD THEREOf |
| CN104496151A (en) * | 2015-01-13 | 2015-04-08 | 北京巨璟气体科技有限公司 | Full oxygen production combustion petroleum coke industrial glass kiln system with carbon dioxide recovery |
| CN105749679A (en) * | 2016-03-23 | 2016-07-13 | 凯天环保科技股份有限公司 | High-temperature smoke dust removal method and system |
| CN106422733A (en) * | 2016-10-27 | 2017-02-22 | 上海交通大学 | Heating furnace tail gas carbon capturing device and method achieved by means of slab yard waste heat |
| CN107824026A (en) * | 2017-11-15 | 2018-03-23 | 安徽海螺建材设计研究院 | A kind of cement kiln flue gas collecting carbonic anhydride treater |
-
2010
- 2010-09-16 CN CN2010205302414U patent/CN201855648U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357326A (en) * | 2011-10-18 | 2012-02-22 | 中国华能集团清洁能源技术研究院有限公司 | Decarbonization smoke preprocessing system integrated with gas desulfurization system |
| CN104138709A (en) * | 2013-05-09 | 2014-11-12 | 株式会社东芝 | CARBON DIOXIDE RECOVERY SYSTEM AND OPERATING METHOD THEREOf |
| CN104138709B (en) * | 2013-05-09 | 2016-08-24 | 株式会社东芝 | Carbon dioxide recovery system, in accordance and method of operation thereof |
| US9901862B2 (en) | 2013-05-09 | 2018-02-27 | Kabushiki Kaisha Toshiba | Carbon dioxide recovery system and operating method thereof |
| CN104496151A (en) * | 2015-01-13 | 2015-04-08 | 北京巨璟气体科技有限公司 | Full oxygen production combustion petroleum coke industrial glass kiln system with carbon dioxide recovery |
| CN105749679A (en) * | 2016-03-23 | 2016-07-13 | 凯天环保科技股份有限公司 | High-temperature smoke dust removal method and system |
| CN106422733A (en) * | 2016-10-27 | 2017-02-22 | 上海交通大学 | Heating furnace tail gas carbon capturing device and method achieved by means of slab yard waste heat |
| CN107824026A (en) * | 2017-11-15 | 2018-03-23 | 安徽海螺建材设计研究院 | A kind of cement kiln flue gas collecting carbonic anhydride treater |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110608 Termination date: 20110916 |