CN204684919U - Smoke carbon dioxide capture absorption tower - Google Patents
Smoke carbon dioxide capture absorption tower Download PDFInfo
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- CN204684919U CN204684919U CN201520400911.3U CN201520400911U CN204684919U CN 204684919 U CN204684919 U CN 204684919U CN 201520400911 U CN201520400911 U CN 201520400911U CN 204684919 U CN204684919 U CN 204684919U
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Abstract
The utility model discloses a kind of smoke carbon dioxide capture absorption tower, comprise the one-level tower body being provided with gas approach, the secondary tower body being provided with exhanst gas outlet and be communicated with the cycle flue of described one-level tower body and secondary tower body, slurry pool is formed at the below of described one-level tower body and secondary tower body and is integrally formed U-shaped absorption tower, cross section with one-level tower body and secondary tower body and cycle flue UNICOM; Described one-level tower body is liquid column tower structure and is provided with front spraying mechanism, and described front spraying mechanism is connected with slurry pool by the first circulating pump, and described first circulating pump is variable frequency pump; Smoke carbon dioxide capture absorption tower of the present utility model, adopt single tower double circulation structure, one-level tower body is designed to liquid column tower structure, front spraying mechanism controls the height of liquid column-spraying by variable frequency pump, can not only investment reduction, occupation of land, can reduce absorption tower resistance, variable frequency pump can regulate for power-plant flue gas load condition, effectively reduces system energy consumption simultaneously.
Description
Technical field
The utility model relates to a kind of absorption tower, particularly a kind of smoke carbon dioxide capture absorption tower.
Background technology
The earth environment that the mankind depend on for existence in the positive serious threat of greenhouse effects, and the key of whole world reply greenhouse effects reduces greenhouse gas emission, wherein mainly reduces the CO2 emission of energy-consuming.According to EIA " world energy outlook 2013 ", coal demand amplification is that in variety of energy sources, amplification is maximum, from 2007 to the year two thousand thirty, coal demand is by rising about 64%, therefore, in the world, reducing the CO2 emission caused due to consumption of coal is one of main path controlling its total release.2009, the CO2 emissions that AND ENERGY RESOURCES CONSUMPTION IN CHINA produces exceed the U.S. became global first CO2 emission state.The situation that China's CO2 emissions comparatively fast increase, will more and more be subject to concern and the pressure of international community.In China, coal-burning power plant's CO2 emission is one of primary discharge source of greenhouse gases, and its CO2 emission accounts for 50% of China's CO2 emission total amount; And by 2010, China's Thermal generation unit was increased to 700,000,000 kilowatts, coal for power generation will reach 1,600,000,000 tons, and from 2010 years to the year two thousand twenty, national consumption of coal total amount is also by sustainable growth.Therefore, coal-burning power plant's CO2 emission is reduced most important for control China CO2 emission total amount.
At present, the technology main flow of carbon dioxide eliminating process is broadly divided into three major types: solvent absorption, membrane separation process and solid absorbent absorption method.Wherein, solvent absorption technology is the most attractive, application also the most a kind of isolation technics, and most coal-fired plant flue gas absorption unit of dioxide carbon all have employed such technology.Solvent absorption technology can also be divided into many groups, great majority are comparative maturity all, but higher energy consumption prevents the popularization of collecting carbonic anhydride technology, and the improvement on carbon trapping absorption tower reduces the important channel of coal-fired plant flue gas carbon dioxide absorption technique overall energy consumption just.
In conventional coal-fired plant flue gas carbon dioxide capture device, absorption tower adopts packed tower, built-in structured packing or dumped packing, this type of turriform have mass transfer fully, capture rate advantages of higher.But due to the relation of packing layer, the resistance on absorption tower is comparatively large, energy consumption is high and not easily regulate.Coal-burning power plant's carbon capturing device does not need very high capture rate in actual motion, generally all controls about 90%, and reduce energy consumption, simplify regulation and control be the problem that carbon capturing device need solve always.Therefore, develop a kind of low energy consumption, the easy collecting carbonic anhydride absorption tower regulated seems very urgent and important.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of smoke carbon dioxide capture absorption tower that effectively can reduce energy consumption, simplify regulation and control.
Smoke carbon dioxide capture absorption tower of the present utility model, comprise the one-level tower body being provided with gas approach, the secondary tower body being provided with exhanst gas outlet and be communicated with the cycle flue of described one-level tower body and secondary tower body, slurry pool is formed at the below of described one-level tower body and secondary tower body and is integrally formed U-shaped absorption tower, cross section with one-level tower body and secondary tower body and cycle flue UNICOM; Described one-level tower body is liquid column tower structure and is provided with front spraying mechanism, and described front spraying mechanism is connected with slurry pool by the first circulating pump, and described first circulating pump is variable frequency pump.
Further, described front spraying mechanism comprises front gunite layer and is connected to the front shower nozzle of front gunite layer, and the spout of described front shower nozzle is arranged upward; Described front gunite layer is connected with slurry pool by front circulating line, and described first circulating pump is located between front circulating line.
Further, gunite layer before described in one deck is set altogether.
Further, described secondary tower body is spray column structure and is provided with rear spraying mechanism, and described rear spraying mechanism is connected with slurry pool by the second circulating pump.
Further, described rear spraying mechanism comprises rear gunite layer and is connected to the rear shower nozzle of rear gunite layer, and the spout of described rear shower nozzle is arranged down; Described rear gunite layer is connected with slurry pool by Posterior circle pipeline, and described second circulating pump is located between Posterior circle pipeline.
Further, two to four layers of described rear gunite layer are set altogether, and are provided with switching control pilot between gunite layer and Posterior circle pipeline afterwards described in each.
Further, described gas approach is located at the top of one-level tower body, and described exhanst gas outlet is located at the top of secondary tower body.
Further, demister is provided with between described rear spraying mechanism and exhanst gas outlet.
Further, be provided with slurries division board in described slurry pool, slurry pool is divided into just to the one-level slurry pool of one-level tower body with just to the secondary slurry pool of secondary tower body by described slurries division board.
Further, this absorption tower also comprises Based Intelligent Control mechanism, and described Based Intelligent Control mechanism comprises automatic controller and the detector for Real-Time Monitoring flue gas load, and described detector, the first circulating pump and switching control pilot are connected with automatic controller respectively.
The beneficial effects of the utility model: smoke carbon dioxide capture absorption tower of the present utility model, adopt single tower double circulation structure, one-level tower body is designed to liquid column tower structure, front spraying mechanism controls the height of liquid column-spraying by variable frequency pump, can not only investment reduction, occupation of land, can reduce absorption tower resistance, variable frequency pump can regulate for power-plant flue gas load condition, effectively reduces system energy consumption simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the theory diagram of the utility model Based Intelligent Control mechanism.
Detailed description of the invention
Fig. 1 is structural representation of the present utility model, as shown in the figure: the smoke carbon dioxide capture absorption tower of the present embodiment, comprise the one-level tower body 1 being provided with gas approach 11, the secondary tower body 2 being provided with exhanst gas outlet 21 and be communicated with the cycle flue 3 of described one-level tower body 1 and secondary tower body 2, slurry pool is formed at the below of described one-level tower body 1 and secondary tower body 2 and is integrally formed U-shaped absorption tower, cross section with one-level tower body 1 and secondary tower body 2 and cycle flue 3 UNICOM; Described one-level tower body 1 is liquid column tower structure and is provided with front spraying mechanism, and described front spraying mechanism is connected with slurry pool by the first circulating pump 41, and described first circulating pump 41 is variable frequency pump; Described gas approach 11 is preferably located at the top of one-level tower body 1, and described exhanst gas outlet 21 is preferably located at the top of secondary tower body 2; Adopt single tower double circulation structure, one-level tower body 1 is designed to liquid column tower structure, front spraying mechanism controls the height of liquid column-spraying by variable frequency pump, can not only investment reduction, occupation of land, absorption tower resistance can be reduced simultaneously, variable frequency pump can regulate for power-plant flue gas load condition, effectively reduces system energy consumption.
In the present embodiment, described front spraying mechanism comprises front gunite layer 121 and is connected to the front shower nozzle 122 of front gunite layer 121, and the spout of described front shower nozzle 122 is arranged upward; Described front gunite layer 121 is connected with slurry pool by front circulating line 51, and described first circulating pump 41 is located between front circulating line 51; Inlet and the liquid outlet of the first circulating pump 41 are all connected front circulating line 51; In order to simplify adjustment further, this absorption tower only arranges gunite layer 121 before described in one deck, and front gunite layer 121 can be in conplane many showers, and front shower nozzle 122 also comes on shower.
In the present embodiment, described secondary tower body 2 is spray column structure and is provided with rear spraying mechanism, and described rear spraying mechanism is connected with slurry pool by the second circulating pump 42; Described rear spraying mechanism comprises rear gunite layer 221 and is connected to the rear shower nozzle 222 of rear gunite layer 221, and the spout of described rear shower nozzle 222 is arranged down; Described rear gunite layer 221 is connected with slurry pool by Posterior circle pipeline 52, and described second circulating pump 42 is located between Posterior circle pipeline 52; Two to four layers of described rear gunite layer 221 are set altogether, and are provided with switching control pilot 6 between gunite layer 221 and Posterior circle pipeline 52 afterwards described in each; By the keying of switching control pilot 6, the number of plies that after controlling, gunite layer 221 acts on, thus corresponding with one-level tower body 1, regulate for power-plant flue gas load condition, to reduce system energy consumption further.
In the present embodiment, between described rear spraying mechanism and exhanst gas outlet 21, be provided with demister 7; Demister 7 can be dull and stereotyped or chevron shaped fixed board-like demister, also can be other forms such as the combination of wet electrical dust precipitator or fixed board-like demister and wet electrical dust precipitator, flue gas droplet content can be controlled in OK range, enter air again.
In the present embodiment, be provided with slurries division board 81 in described slurry pool, slurry pool is divided into just to the one-level slurry pool 8a of one-level tower body 1 with just to the secondary slurry pool 8b of secondary tower body 2 by described slurries division board; This structure is conducive to the relatively independent operation of guarantee two tower body.
In the present embodiment, this absorption tower also comprises Based Intelligent Control mechanism, described Based Intelligent Control mechanism comprises automatic controller 91 and the detector 92 for Real-Time Monitoring flue gas load, and described detector 92, first circulating pump 41 and switching control pilot 6 are connected with automatic controller 91 respectively; As shown in Figure 2, set up the control accuracy that this absorption tower can be improved by Based Intelligent Control mechanism, reduce labor strength; Automatic controller 91 can be single-chip microcomputer, detector 92 will reach automatic controller 91 by signal by detecting the signals such as flue gas flow rate, flow, concentration, automatic controller 91 by the open/close states of the power and switching control pilot 6 of establishing programme-control first circulating pump 41 in it, to complete automatic control.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (10)
1. a smoke carbon dioxide capture absorption tower, it is characterized in that: comprise the one-level tower body being provided with gas approach, the secondary tower body being provided with exhanst gas outlet and be communicated with the cycle flue of described one-level tower body and secondary tower body, slurry pool is formed at the below of described one-level tower body and secondary tower body and is integrally formed U-shaped absorption tower, cross section with one-level tower body and secondary tower body and cycle flue UNICOM; Described one-level tower body is liquid column tower structure and is provided with front spraying mechanism, and described front spraying mechanism is connected with slurry pool by the first circulating pump, and described first circulating pump is variable frequency pump.
2. smoke carbon dioxide capture absorption tower according to claim 1, is characterized in that: described front spraying mechanism comprises front gunite layer and is connected to the front shower nozzle of front gunite layer, and the spout of described front shower nozzle is arranged upward; Described front gunite layer is connected with slurry pool by front circulating line, and described first circulating pump is located between front circulating line.
3. smoke carbon dioxide capture absorption tower according to claim 2, is characterized in that: arrange gunite layer before described in one deck altogether.
4. the smoke carbon dioxide capture absorption tower according to any one of claims 1 to 3, is characterized in that: described secondary tower body is spray column structure and is provided with rear spraying mechanism, and described rear spraying mechanism is connected with slurry pool by the second circulating pump.
5. smoke carbon dioxide capture absorption tower according to claim 4, is characterized in that: described rear spraying mechanism comprises rear gunite layer and is connected to the rear shower nozzle of rear gunite layer, and the spout of described rear shower nozzle is arranged down; Described rear gunite layer is connected with slurry pool by Posterior circle pipeline, and described second circulating pump is located between Posterior circle pipeline.
6. smoke carbon dioxide capture absorption tower according to claim 5, is characterized in that: arrange two to four layers of described rear gunite layer altogether, and is provided with switching control pilot between gunite layer and Posterior circle pipeline afterwards described in each.
7. smoke carbon dioxide capture absorption tower according to claim 6, it is characterized in that: described gas approach is located at the top of one-level tower body, described exhanst gas outlet is located at the top of secondary tower body.
8. smoke carbon dioxide capture absorption tower according to claim 7, is characterized in that: be provided with demister between described rear spraying mechanism and exhanst gas outlet.
9. smoke carbon dioxide capture absorption tower according to claim 4, it is characterized in that: be provided with slurries division board in described slurry pool, slurry pool is divided into just to the one-level slurry pool of one-level tower body with just to the secondary slurry pool of secondary tower body by described slurries division board.
10. smoke carbon dioxide capture absorption tower according to claim 5, it is characterized in that: this absorption tower also comprises Based Intelligent Control mechanism, described Based Intelligent Control mechanism comprises automatic controller and the detector for Real-Time Monitoring flue gas load, and described detector, the first circulating pump and switching control pilot are connected with automatic controller respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520400911.3U CN204684919U (en) | 2015-06-11 | 2015-06-11 | Smoke carbon dioxide capture absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520400911.3U CN204684919U (en) | 2015-06-11 | 2015-06-11 | Smoke carbon dioxide capture absorption tower |
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| CN204684919U true CN204684919U (en) | 2015-10-07 |
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| CN201520400911.3U Active CN204684919U (en) | 2015-06-11 | 2015-06-11 | Smoke carbon dioxide capture absorption tower |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104888583A (en) * | 2015-06-11 | 2015-09-09 | 中电投远达环保工程有限公司 | Capture and absorption tower for carbon dioxide in flue gas |
| CN113926302A (en) * | 2021-09-10 | 2022-01-14 | 中国石油化工股份有限公司 | Low partial pressure carbon dioxide entrapment system |
-
2015
- 2015-06-11 CN CN201520400911.3U patent/CN204684919U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104888583A (en) * | 2015-06-11 | 2015-09-09 | 中电投远达环保工程有限公司 | Capture and absorption tower for carbon dioxide in flue gas |
| CN113926302A (en) * | 2021-09-10 | 2022-01-14 | 中国石油化工股份有限公司 | Low partial pressure carbon dioxide entrapment system |
| CN113926302B (en) * | 2021-09-10 | 2022-08-05 | 中国石油化工股份有限公司 | Low partial pressure carbon dioxide entrapment system |
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