CN110496493A - A kind of carbon dioxide capture system - Google Patents
A kind of carbon dioxide capture system Download PDFInfo
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- CN110496493A CN110496493A CN201910739320.1A CN201910739320A CN110496493A CN 110496493 A CN110496493 A CN 110496493A CN 201910739320 A CN201910739320 A CN 201910739320A CN 110496493 A CN110496493 A CN 110496493A
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- capture system
- dioxide capture
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 74
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 38
- 239000003463 adsorbent Substances 0.000 claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 claims abstract description 22
- 238000011084 recovery Methods 0.000 claims description 35
- 230000003447 ipsilateral effect Effects 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 229960004424 carbon dioxide Drugs 0.000 abstract description 31
- 239000003546 flue gas Substances 0.000 abstract description 22
- 238000001179 sorption measurement Methods 0.000 abstract description 22
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 18
- 238000003795 desorption Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 15
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 235000011089 carbon dioxide Nutrition 0.000 abstract description 4
- 239000000779 smoke Substances 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 21
- 229920002873 Polyethylenimine Polymers 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 125000003368 amide group Chemical group 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000002336 sorption--desorption measurement Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000013384 organic framework Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/50—Carbon dioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/40098—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating with other heating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/402—Further details for adsorption processes and devices using two beds
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
-
- 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
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The present invention provides a kind of carbon dioxide capture systems.The system is by setting first shell and second shell, and the first shell is interior to be arranged the first adsorbent layer, and the second adsorbent layer of setting more importantly also sets up heat exchanging piece in the second shell.Pass through above-mentioned setting, during collecting carbonic anhydride, first shell can be used as absorption and use, second shell can be used as solution and smoke, or first shell can be used as solution and smoke, second shell can be used as absorption and use, such as, it is used when first shell can be used as absorption, second shell can be used as the desorption used time, carbon dioxide in the intracorporal first adsorbent layer absorption flue gas of first shell, the sensible heat in reaction heat and flue gas that adsorption process is released is conducted by heat exchanging piece into intracorporal second adsorption layer of second shell, it realizes absorption progress synchronous with desorption and energy makes full use of, have simultaneously with low energy consumption, occupied area is small and simple operation and other advantages.
Description
Technical field
The invention belongs to collecting carbonic anhydride technical fields, and in particular to carbon dioxide capture system.
Background technique
Containing carbon dioxide in the high temperature flue gas that coal-burning power plant generates, carbon dioxide is the main source of greenhouse gases,
Therefore, before flue gas emission, the carbon dioxide in flue gas generally can be all trapped, the content of carbon dioxide is reduced.
Currently, common carbon dioxide separation method mainly has absorption process, membrane separation process, cryogenic distillation process and absorption method
Deng wherein solid absorption method is not corroded the lower environmentally friendly carbon emission reduction technique of equipment, energy consumption and has been obtained extensively as one kind
Concern.But traditional solid absorption technology adsorbs carbon dioxide using adsorption tower, then by desorber to carbon dioxide
Solution adsorption desorption is carried out, which has the shortcomings that occupied area is larger, absorption heat loss is big, complicated for operation and energy consumption is higher.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that existing carbon dioxide capture system that there are occupied areas is larger,
The disadvantages of heat loss is big, complicated for operation and energy consumption is higher is adsorbed, and then a kind of carbon dioxide capture system is provided.
Carbon dioxide capture system provided by the present invention, including first shell and second shell, in the first shell
First adsorbent layer is set, the second adsorbent layer is set in the second shell,
Further include,
Heat exchanging piece is set between the first shell and the second shell, and the heat exchanging piece, which has, to be oppositely arranged
First heat-transfer surface and the second heat-transfer surface, the lumen contact of first heat-transfer surface and the first shell, second heat-transfer surface
With the lumen contact of the second shell.
Further, the first shell and second shell are integrally molded so as total shell, in total shell described in setting
Heat exchanging piece, total shell is divided into the first shell and second shell by the heat exchanging piece.
Further, the heat exchanging piece is heat exchanger plates, and the side of the heat exchanger plates is the first heat-transfer surface, and the other side is described
Second heat-transfer surface.
Further, first heat-transfer surface is corrugated surface, and second heat-transfer surface is corrugated surface.
Further, further include the first air inlet, be set to the inlet end of the first shell；First gas outlet, setting
In the outlet side of the first shell, first adsorbent layer is set between the inlet end and outlet side of the first shell
In shell；
First CO2Recovery port is set in the first shell and is connected to the inner cavity of the first shell.
Further, the first CO2The outlet side of the first shell, the first CO is arranged in recovery port2Recovery port with
The connection of first vacuum evacuation device.
Further, further include the second air inlet, be set to the inlet end of two shell；Second gas outlet, is set to
The outlet side of the second shell, second adsorbent layer are set to the shell between the inlet end and outlet side of the second shell
In vivo；
2nd CO2Recovery port is set in the second shell and is connected to the inner cavity of the second shell.
Further, the 2nd CO2The outlet side of the second shell, the 2nd CO is arranged in recovery port2Recovery port with
The connection of second vacuum evacuation device.
Further, the ipsilateral setting of inlet end of the inlet end of the first shell and the second shell；
The ipsilateral setting in outlet side of the outlet side of the second shell and the second shell.
Further, the first CO2Recovery port relative to first gas outlet close to the heat exchanging piece, described second
CO2Recovery port relative to second gas outlet close to the heat exchanging piece,
The first shell and second shell are cylindrical shell.
Technical solution of the present invention has the advantages that through setting first shell and second shell, in the first shell
First adsorbent layer is set, and the second adsorbent layer of setting more importantly also sets up heat exchanging piece in the second shell, the heat exchange
Part is set between the first shell and the second shell, and the heat exchanging piece has the first heat-transfer surface for being oppositely arranged and the
Two heat-transfer surfaces, the lumen contact of first heat-transfer surface and the first shell, second heat-transfer surface and the second shell
Lumen contact.By above-mentioned setting, during collecting carbonic anhydride, first shell can be used as absorption and use, second shell
It can be used as that solution smokes or first shell can be used as solution and smoke, second shell can be used as absorption and use, for example, when first
Shell can be used as absorption and use, and second shell can be used as the desorption used time, and intracorporal first adsorbent layer of first shell adsorbs flue gas
In carbon dioxide, adsorption process release reaction heat and flue gas in sensible heat conducted by heat exchanging piece it is intracorporal to second shell
It in second adsorption layer, realizes absorption progress synchronous with desorption and energy makes full use of, while having and have that low energy consumption, accounts for
Ground area is small and simple operation and other advantages.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of carbon dioxide capture system in the present invention；
Fig. 2 is another structural schematic diagram of carbon dioxide capture system in the present invention；
Appended drawing reference:
1- first shell；The first air inlet of 1a-；The first gas outlet 1b-；The first CO of 1c-2Recovery port；2- second shell；
The second air inlet of 2a-；The second gas outlet 2b-；The 2nd CO of 2c-2Recovery port；3- heat exchanging piece；4- vacuum evacuation device；5-CO2Collect dress
It sets.
Specific embodiment
Technical solution of the present invention will be clearly and completely described below, it is clear that described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
As illustrated in fig. 1 and 2, carbon dioxide capture system provided by the present invention, including first shell 1 and second shell 2,
First adsorbent layer is set in the first shell 1, second adsorbent layer is set in the second shell 2, specifically, first inhales
The oxidation aluminium that adsorbent in attached oxidant layer and the second adsorption layer can load for meso-porous molecular sieve material, the amido of amido load
Material (is carrier loaded polyethyleneimine (PEI) for example, by using gama-alumina, the load capacity of PEI is the 30%) gold of amido load
Category-organic framework materials, in an alternative embodiment, first shell 1 and second shell 2 are cylindrical shell, specifically, are such as schemed
It can be cube shell shown in 1, as the embodiment of changeable type, as described in Figure 2, can be semi-cylindrical shell, further include,
Heat exchanging piece 3 is set between the first shell 1 and the second shell 2, and the heat exchanging piece 3 has opposite set
The first heat-transfer surface and the second heat-transfer surface set, the lumen contact of first heat-transfer surface and the first shell 1, described second changes
The lumen contact in hot face and the second shell 2.
In above-mentioned carbon dioxide capture system, by setting first shell 1 and second shell 2, set in the first shell 1
The first adsorbent layer is set, the second adsorbent layer of setting more importantly also sets up heat exchanging piece 3 in the second shell 2, the heat exchange
Part 3 is set between the first shell 1 and the second shell 2, and the heat exchanging piece 3 has the first heat-transfer surface being oppositely arranged
With the second heat-transfer surface, the lumen contact of first heat-transfer surface and the first shell 1, second heat-transfer surface and described second
The lumen contact of shell 2.By above-mentioned setting, during collecting carbonic anhydride, first shell 1 can be used as absorption and use, the
Two shells 2 can be used as that solution smokes or first shell 1 can be used as solution and smoke, and second shell 2 can be used as absorption and use, example
Such as, it is used when first shell 1 can be used as absorption, second shell 2 can be used as the desorption used time, the first absorption in first shell 1
Oxidant layer adsorb flue gas in carbon dioxide, adsorption process release reaction heat and flue gas in sensible heat by heat exchanging piece conduct to
In the second adsorption layer in second shell 2, realizes absorption progress synchronous with desorption and energy makes full use of, have simultaneously
With low energy consumption, occupied area is small and simple operation and other advantages.
As shown in Fig. 2, the first shell 1 is integrally molded so as total shell with second shell 2, institute is set in total shell
Heat exchanging piece 3 is stated, total shell is divided into the first shell and second shell by the heat exchanging piece 3；In this way,
When preparing carbon dioxide capture system, production is simple, easy to operate, can greatly save occupied area；Specifically, heat exchanging piece 3
For heat exchanger plates, the side of heat exchanger plates is the first heat-transfer surface, and the other side is second heat-transfer surface, goes to separate total shell using heat exchanger plates
The inner space of body, convenient and simple, the material of heat exchanger plates can choose the high material of thermal coefficient, such as can choose copper, aluminium
Equal metal materials.It is highly preferred that the first heat-transfer surface is corrugated surface, second heat-transfer surface is corrugated surface, and such heat exchanging piece is changed
Heat area is bigger, and conduction heat faster, more sufficiently, shortens desorption required time.
Further, further include the first air inlet 1a, be set to the inlet end of the first shell 1；First gas outlet 1b,
It is set to the outlet side of the first shell 1, first adsorbent layer is set to the inlet end and outlet of the first shell 1
In shell between end；First CO2Recovery port 1c is set in the first shell 1 and connects with the inner cavity of the first shell 1
It is logical.
As optional embodiment, the first CO2Recovery port 1c is arranged the outlet side of the first shell 1, and described
One CO2Recovery port 1c is connected to the first vacuum evacuation device；In order to collect the CO desorbed2, the first vacuum evacuation device also with CO2
Collection device 5 is connected to；
Further, further include the second air inlet 2a, be set to the inlet end of two shell 2；Second gas outlet 2b, if
It is placed in the outlet side of the second shell 2, second adsorbent layer is set to inlet end and the outlet side of the second shell 2
Between shell in；2nd CO2Recovery port 2c is set in the second shell 2 and is connected to the inner cavity of the second shell 2.
As optional embodiment, the 2nd CO2Recovery port 2c is arranged the outlet side of the second shell 2, and described
Two CO2Recovery port 2c is connected to the second vacuum evacuation device；In order to collect the CO desorbed2, the second vacuum evacuation device also with CO2
Collection device 5 is connected to；Specifically, the first vacuum evacuation device and the second vacuum means are set to the same device, are vacuum means
Set 4；
As optional embodiment, the inlet end of the inlet end of the first shell 1 and the second shell 2 is ipsilateral to be set
It sets；The ipsilateral setting in outlet side of the outlet side of the second shell 2 and the second shell 2.Absorption can be better ensured that in this way
Process is synchronous with desorption process to be carried out, and the heat in adsorption process can pass to desorption process in time.
As optional embodiment, as shown in Figure 1, the first CO2Recovery port 1c is relative to the first gas outlet 1b
Close to the heat exchanging piece 3, the 2nd CO2Recovery port 2c relative to the second gas outlet 2b close to the heat exchanging piece 3, in this way
Setting, the heat at heat exchanging piece 3 is higher, is easier to extract the carbon dioxide desorbed faster, accelerates desorption rate.Tool
Solution adsorption desorption can be carried out to the adsorbent of adsorption saturation by the modes such as heating and vacuumizing to body.
The working principle of above-mentioned carbon dioxide capture system is as follows: as shown in Figure 1:
(1) first shell 1 is as adsorption tower, to absorb the CO in flue gas2, it is rich in CO2Pressurization flue gas from the first air inlet
Mouth 1a enters and comes out from the first gas outlet 1b, the first CO2Recovery port 1c is closed；Second shell 2 is as desorber at this time, by
The sensible heat in reaction heat and flue gas that one shell, 1 adsorption process is released is conducted extremely by heat exchanging piece 3 (specially inner pipe wall)
Second shell 2, the second air inlet 2a and the second gas outlet 2b are closed, and the mode vacuumized is from the 2nd CO2It is removed in recovery port 2c
The CO of adsorption saturation in second shell 22, when 1 adsorption saturation of first shell, second shell 2 also reaches desorption equilibrium, at this time
First shell 1 and second shell 2 are exchanged；
(2) second shell 2 after desorbing is as adsorption tower, to absorb the CO in flue gas2, flue gas is from the second air inlet 2a
It comes out into and from the second gas outlet 2b, the 2nd CO2Recovery port 2c is closed；First shell 1 is true to take out as desorber at this time
The CO of sky removing adsorption saturation2, the first air inlet 1a and the first gas outlet 1b close, the first CO2Recovery port 1c goes out desorption
CO2。
The more specific working principle of carbon dioxide capture system is as follows:
(1) first shell and second shell load drikold adsorbent respectively in carbon dioxide capture system,
Drikold adsorbent is used with gama-alumina as carrier loaded polyethyleneimine (PEI), and the load capacity of PEI is 30%,
The loading of first shell and second shell is respectively 200g；
(2) simulative power plant flue gas, the temperature of the power-plant flue gas are 80 DEG C, CO therein2Volume content is 15%, will be simulated
Flue gas is with the speed of 40mL/min by passing through suction using gas chromatograph detection equipped in above-mentioned carbon dioxide capture system
CO in flue gas after attached dose2Concentration, to measure the absorption property of adsorbent；
(3) in carbon dioxide capture system is set, the first air inlet, the first gas outlet and the 2nd CO are opened2Recovery port is closed
Close the first CO2Recovery port, the second air inlet and the second gas outlet, first by first shell as adsorption tower, to absorb in flue gas
CO2, it is rich in CO2Flue gas enter from the first air inlet, from the first gas outlet be discharged；Second shell is used as desorber at this time
The sensible heat in reaction heat and flue gas that first shell adsorption process is released heats second shell, and the mode that vacuumizes removes
The CO of adsorption saturation2, the 2nd CO2The CO of recovery port discharge desorption2, CO is detected from flue tail gas2When content is more than 5%, inhale
Attached-desorption process terminates；
(4) the first CO is opened2The first air inlet, the first gas outlet are closed in recovery port, the second air inlet and the second gas outlet
And the 2nd CO2Recovery port, by the second shell after desorption as adsorption tower, to absorb the CO in flue gas2, first shell at this time
As desorber, to heat the CO of removing adsorption saturation2, the adsorbance of the multiple circular regeneration of adsorbent is measured, accordingly
Measurement result is as shown in table 1 below:
Saturated extent of adsorption (mg/g) of 1 adsorbent of table after repeatedly regenerating
| For the first time | Second | For the third time | 4th time | 5th time | 6th time | |
| First shell | 128 | 115 | 109 | 105 | 98 | 95 |
| Second shell | 126 | 117 | 106 | 102 | 102 | 97 |
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of carbon dioxide capture system, including first shell and second shell, interior the first absorption of setting of the first shell
Oxidant layer, the second shell is interior to be arranged the second adsorbent layer,
It is characterized in that, further include,
Heat exchanging piece is set between the first shell and the second shell, and the heat exchanging piece has first be oppositely arranged
Heat-transfer surface and the second heat-transfer surface, the lumen contact of first heat-transfer surface and the first shell, second heat-transfer surface and institute
State the lumen contact of second shell.
2. carbon dioxide capture system according to claim 1, which is characterized in that the first shell and second shell one
Body formed is total shell, the setting heat exchanging piece in total shell, to be divided into total shell by the heat exchanging piece
The first shell and second shell.
3. carbon dioxide capture system according to claim 1 or 2, which is characterized in that the heat exchanging piece is heat exchanger plates, institute
The side for stating heat exchanger plates is the first heat-transfer surface, and the other side is second heat-transfer surface.
4. carbon dioxide capture system according to claim 3, which is characterized in that first heat-transfer surface is corrugated surface,
Second heat-transfer surface is corrugated surface.
5. carbon dioxide capture system according to claim 1, which is characterized in that further include the first air inlet, be set to
The inlet end of the first shell；First gas outlet, is set to the outlet side of the first shell, and first adsorbent layer is set
It is placed in the shell between the inlet end and outlet side of the first shell；
First CO2Recovery port is set in the first shell and is connected to the inner cavity of the first shell.
6. carbon dioxide capture system according to claim 5, which is characterized in that the first CO2Described in recovery port setting
The outlet side of first shell, the first CO2Recovery port is connected to the first vacuum evacuation device.
7. carbon dioxide capture system according to claim 1, which is characterized in that further include the second air inlet, be set to
The inlet end of two shell；Second gas outlet is set to the outlet side of the second shell, the second adsorbent layer setting
In shell between the inlet end and outlet side of the second shell；
2nd CO2Recovery port is set in the second shell and is connected to the inner cavity of the second shell.
8. carbon dioxide capture system according to claim 7, which is characterized in that the 2nd CO2Described in recovery port setting
The outlet side of second shell, the 2nd CO2Recovery port is connected to the second vacuum evacuation device.
9. carbon dioxide capture system according to claim 1 or 2, which is characterized in that the inlet end of the first shell
With the ipsilateral setting of inlet end of the second shell；
The ipsilateral setting in outlet side of the outlet side of the second shell and the second shell.
10. the carbon dioxide capture system according to claim 5 or 7, which is characterized in that the first CO2Recovery port is opposite
In first gas outlet close to the heat exchanging piece, the 2nd CO2Recovery port is relative to second gas outlet close to described
Heat exchanging piece,
The first shell and second shell are cylindrical shell.
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| CN201910739320.1A CN110496493A (en) | 2019-08-12 | 2019-08-12 | A kind of carbon dioxide capture system |
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| CN201910739320.1A CN110496493A (en) | 2019-08-12 | 2019-08-12 | A kind of carbon dioxide capture system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111871146A (en) * | 2020-07-16 | 2020-11-03 | 中国能源建设集团广东省电力设计研究院有限公司 | Carbon dioxide capture system based on coupling membrane separation method and adsorption method |
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| JP2002079031A (en) * | 2000-09-07 | 2002-03-19 | Mitsubishi Kakoki Kaisha Ltd | Pressure swing adsorbing apparatus for manufacturing highly concentrated oxygen |
| KR101509389B1 (en) * | 2014-01-28 | 2015-04-08 | 연세대학교 산학협력단 | Stack of plate type reactor for capturing of carbon dioxide |
| CN211025688U (en) * | 2019-08-12 | 2020-07-17 | 中国华电科工集团有限公司 | Carbon dioxide capture system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002079031A (en) * | 2000-09-07 | 2002-03-19 | Mitsubishi Kakoki Kaisha Ltd | Pressure swing adsorbing apparatus for manufacturing highly concentrated oxygen |
| KR101509389B1 (en) * | 2014-01-28 | 2015-04-08 | 연세대학교 산학협력단 | Stack of plate type reactor for capturing of carbon dioxide |
| CN211025688U (en) * | 2019-08-12 | 2020-07-17 | 中国华电科工集团有限公司 | Carbon dioxide capture system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111871146A (en) * | 2020-07-16 | 2020-11-03 | 中国能源建设集团广东省电力设计研究院有限公司 | Carbon dioxide capture system based on coupling membrane separation method and adsorption method |
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