CN115162464A - Carbon dioxide and fresh water capturing system and capturing method thereof - Google Patents
Carbon dioxide and fresh water capturing system and capturing method thereof Download PDFInfo
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- CN115162464A CN115162464A CN202210812361.0A CN202210812361A CN115162464A CN 115162464 A CN115162464 A CN 115162464A CN 202210812361 A CN202210812361 A CN 202210812361A CN 115162464 A CN115162464 A CN 115162464A
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- adsorption
- water
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- carbon
- fan
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 48
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 48
- 239000013505 freshwater Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims description 11
- 238000001179 sorption measurement Methods 0.000 claims abstract description 99
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 230000008929 regeneration Effects 0.000 claims abstract description 58
- 238000011069 regeneration method Methods 0.000 claims abstract description 58
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 46
- 239000003570 air Substances 0.000 claims description 45
- 239000003463 adsorbent Substances 0.000 claims description 18
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000012621 metal-organic framework Substances 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 239000012080 ambient air Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 239000000017 hydrogel Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 238000001926 trapping method Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 239000013178 MIL-101(Cr) Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/28—Methods or installations for obtaining or collecting drinking water or tap water from humid air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
-
- 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
- B01D53/06—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 with moving adsorbents, e.g. rotating beds
-
- 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
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- 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
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides a carbon dioxide and fresh water trapping system and a trapping method thereof, wherein the system comprises an adsorption fan, a water adsorption rotating wheel, a first condenser, a carbon adsorption rotating wheel, an air heater, a first regeneration fan, a second condenser, a water storage tank and a gas storage bottle, wherein the interiors of the water adsorption rotating wheel and the carbon adsorption rotating wheel are respectively divided into an adsorption area and a regeneration area.
Description
Technical Field
The invention belongs to the technical field of capture of carbon dioxide and water, and particularly relates to a capture system and a capture method of carbon dioxide and fresh water.
Background
In recent years, the concentration of carbon dioxide in air is increasing due to the massive combustion of fossil fuels, resulting in an increasing global warming problem. In addition to reducing carbon dioxide emissions, carbon capture is also critical to achieving "carbon peaking", "carbon neutralization" goals. Traditional carbon capture modes, such as pre-combustion capture and post-combustion capture from coal fired power plants, can slow the rise in atmospheric carbon dioxide concentration, but capturing carbon dioxide directly from air is the only "negative carbon technology" that really reduces the concentration of carbon dioxide in air significantly.
Due to the contradiction between the limited fresh water resources and the proliferation of the population, the shortage of water resources is always a serious crisis faced by human beings. The air water collecting technology can directly capture fresh water from the air, has small dependence on geographical water resources, and is a promising technology.
Disclosure of Invention
Aiming at the defects of a carbon dioxide capture technology and air water taking, the invention provides an adsorption rotating wheel type direct air carbon dioxide and fresh water combined capture system and a method thereof, so as to realize all-weather rapid capture of carbon dioxide and fresh water in the air.
The technical scheme of the invention is as follows:
a system for capturing carbon dioxide and fresh water comprises a fan, a condenser, a rotating wheel, an air heater, a water storage tank and a gas storage bottle, wherein the fan comprises an adsorption fan and a regeneration fan, and the regeneration fan comprises a first regeneration fan and a second regeneration fan; the condenser comprises a first condenser and a second condenser; the rotating wheels comprise a water adsorption rotating wheel and a carbon adsorption rotating wheel, the water adsorption rotating wheel and the carbon adsorption rotating wheel are both provided with motors for providing power, and the water adsorption rotating wheel and the carbon adsorption rotating wheel both comprise an adsorption area and a regeneration area;
adsorption fan, the adsorption zone of water absorption runner, first condenser, the adsorption zone of carbon absorption runner, air heater, the regeneration zone of first regeneration fan, carbon absorption runner, the regeneration zone of second regeneration fan, water absorption runner and second condenser wind path setting in proper order, the second condenser passes through the pipeline and connects respectively the water storage tank with the gas bomb.
Further, the adsorption zone and the regeneration zone in the water adsorption rotating wheel are both provided with water adsorbents, and the adsorption zone and the regeneration zone in the carbon adsorption rotating wheel are both provided with carbon dioxide adsorbents.
Further, the water adsorbent is one or more of a salt-based composite material, a porous material, a hydrogel and a metal organic framework material.
Further, the carbon dioxide adsorbent is one or a mixture of amine-functionalized porous material, amine-functionalized resin and metal organic framework material.
Further, the area ratio of the adsorption zone to the regeneration zone in the water adsorption rotating wheel and the carbon adsorption rotating wheel is 1: 1-3: 1.
a capture method for a carbon dioxide and fresh water capture system, comprising the steps of:
s1: switching on a power supply, and starting running the motor, the fan and the air heating machine;
s2: the ambient air loops through the adsorption fan air supply, the adsorption zone of water adsorption runner carries out water adsorption, first condenser cools down, the adsorption zone of carbon adsorption runner carries out carbon adsorption, air heater heaies up, first regeneration fan air supply, the regeneration zone of carbon adsorption runner carries out carbon regeneration, the air supply of second regeneration fan, the regeneration zone of water adsorption runner carries out water regeneration and forms high carbon steam, the second condenser carries out the condensation to high carbon steam, water and carbon dioxide after the condensation get into water storage tank and gas bomb respectively and save.
Compared with the prior art, the invention has the following beneficial effects:
1. compared with the traditional fixed bed type trapping device, the adsorption rotating wheel type direct air carbon dioxide and fresh water combined trapping system has the advantages of high flexibility, small airflow pressure drop, temperature gradient utilization of regenerated gas and capability of effectively improving the energy utilization efficiency.
2. The invention firstly provides a system for directly carrying out double capture of water and carbon dioxide on air, realizes the uninterrupted capture and regeneration process, and has simple structure and convenient use; compare traditional single carbon dioxide entrapment or air water intake device, this device utilizes the temperature swing adsorption principle, realized from the air direct quick carbon dioxide and moisture joint entrapment that goes on, greatly expanded the use boundary of two kinds of techniques, simultaneously, use high temperature air to carry out the regeneration of adsorbent, thereby the mode that regenerated gas mixture can use the condensation makes water and carbon dioxide separation obtain the higher carbon dioxide gas of purity and the fresh water of relative purity, thereby make the two utilized or seal up, realize that material and energy complementary full-scene's low energy consumption driven high-efficient fresh water and carbon dioxide acquire.
3. The invention uses the adsorption material with good adsorption dynamic performance, the rotating wheel rotates at proper rotating speed, the adsorbent passing through the adsorption area can reach the state of re-adsorption saturation, and the adsorbent passing through the regeneration area can complete regeneration and activation before returning to the adsorption area, thus meeting the requirement of continuous collection of the rotating wheel.
Drawings
FIG. 1 is a block diagram of a carbon dioxide and fresh water capture system according to the present invention;
FIG. 2 is a structural view of the rotor of the present invention.
Wherein, 1, an adsorption fan; 2. a water adsorption rotating wheel; 3. a first condenser; 4. a carbon adsorption rotating wheel; 5. an air heater; 6. a first regenerative fan; 7 a second regenerative fan; 8. a second condenser; 9. a water storage tank; 10. a gas cylinder; 11. an electric motor; 12. an adsorption zone; 13. a regeneration zone.
Detailed Description
The carbon dioxide and fresh water capture system and method of the present invention will now be described in more detail with reference to the schematic drawings, in which preferred embodiments of the invention are shown, it being understood that persons skilled in the art may modify the invention described herein while still achieving the advantageous effects of the invention, and therefore the following description should be construed as broadly as possible and not as limiting the invention to those skilled in the art.
Referring to fig. 1 and 2, a carbon dioxide and fresh water capturing system includes an adsorption fan 1, a water adsorption rotating wheel 2, a first condenser 3, a carbon adsorption rotating wheel 4, an air heater 5, a first regeneration fan 6, a second regeneration fan 7, a second condenser 8, a water storage tank 9 and a gas storage bottle 10, wherein the water adsorption rotating wheel 2 and the carbon adsorption rotating wheel 4 are both provided with a motor 11, and the motor 11 drives the water adsorption rotating wheel 2 and the carbon adsorption rotating wheel 4 to rotate, which may be at a constant speed or at a variable speed. The insides of the water adsorption rotating wheel 2 and the carbon adsorption rotating wheel 4 are divided into an adsorption area 11 and a regeneration area 12, and the area ratio of the adsorption area 11 to the regeneration area 12 is 1: 1-3: 1.
the air heater 5 is used for heating air introduced into the carbon adsorption rotating wheel 4, and the heat source of the air heater is one or more of electric energy, solar energy, geothermal energy and industrial waste heat.
The adsorption zone and the regeneration zone of the water adsorption rotating wheel 2 are both provided with water adsorbents, and the water adsorbents are one or more of salt-based composite materials, porous materials, hydrogel and metal organic framework materials, such as lithium salt-impregnated silica gel, lithium salt-impregnated activated carbon fiber felt, PAM hydrogel, sodium alginate composite gel and MIL-101 (Cr).
The adsorption zone and the regeneration zone of the carbon adsorption rotating wheel 4 are both provided with carbon dioxide adsorbent, which is one or more of amine-functionalized porous material, amine-functionalized resin and metal organic framework material, such as polyethyleneimine-impregnated silica gel and polyethyleneimine-impregnated activated carbon fiber felt.
The invention relates to a carbon dioxide and fresh water capturing system, which is characterized in that an adsorption fan 1, a water adsorption rotating wheel 2, a first condenser 3, a carbon adsorption rotating wheel 4, an air heater 5, a first regeneration fan 6, a second regeneration fan 7 and a second condenser 8 are connected through an industrial ventilation pipeline, and the second condenser 8 is respectively connected with a water storage tank 7 and a gas storage bottle 10 through a ppr thermoplastic pipe.
The operation method of the capture system of carbon dioxide and fresh water comprises the following steps:
when the device is supplied with electric energy, the motor 11, the fan and the air heater 5 start to operate, the ambient air is sent to the adsorption area of the water adsorption rotating wheel 2 by the adsorption fan 1, so that the water in the ambient air is adsorbed by the water adsorbent, the humidity in the air is reduced, and the treated air is sent to the first condenser 3. The low-temperature and low-humidity air passing through the first condenser is sent to the adsorption area of the carbon adsorption rotating wheel 4, so that carbon in the air is adsorbed by the carbon dioxide adsorbent, and the treated air is sent to the air heater 5.
During regeneration, high-temperature air from the air heater 5 is induced by the first regeneration blower 6 to flow through the regeneration zone of the carbon adsorption rotor 4, and the carbon dioxide adsorbent is heated to desorb carbon dioxide for regeneration. The treated air is induced by a second regeneration fan 7 to flow through the regeneration zone of the water adsorption rotating wheel 2, and the water adsorbent is heated to desorb water for regeneration. The high carbon steam is then condensed in the second condenser 8 and flows into the water storage tank 9, while the carbon dioxide is collected and stored in the gas cylinder 10.
In the operation process of the carbon dioxide and fresh water capturing system, the judgment standards of the working conditions of the water adsorption rotating wheel 2 and the carbon adsorption rotating wheel 4 are whether the concentrations of moisture and carbon dioxide in the air output to the environment are lower than required values or not, and whether water and carbon dioxide are collected in the water storage tank 9 and the gas storage bottle 10 after a certain time.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The system for capturing the carbon dioxide and the fresh water is characterized by comprising a fan, a condenser, a rotating wheel, an air heater, a water storage tank and a gas storage bottle, wherein the fan comprises an adsorption fan and a regeneration fan, and the regeneration fan comprises a first regeneration fan and a second regeneration fan; the condenser comprises a first condenser and a second condenser; the rotating wheels comprise a water adsorption rotating wheel and a carbon adsorption rotating wheel, the water adsorption rotating wheel and the carbon adsorption rotating wheel are both provided with motors for providing power, and the water adsorption rotating wheel and the carbon adsorption rotating wheel both comprise an adsorption area and a regeneration area;
adsorption fan, the adsorption zone of water absorption runner, the adsorption zone of first condenser, carbon absorption runner, air heater, the regeneration zone of first regeneration fan, carbon absorption runner, the regeneration zone of second regeneration fan, water absorption runner and second condenser pass through air pipe connection and wind path setting in proper order, the second condenser passes through the pipeline and connects respectively the water storage tank with the gas bomb.
2. The carbon dioxide and fresh water capture system of claim 1, wherein the adsorption zone and the regeneration zone of the water adsorption wheel are provided with water adsorbent, and the adsorption zone and the regeneration zone of the carbon adsorption wheel are provided with carbon dioxide adsorbent.
3. The carbon dioxide and fresh water capture system of claim 2, wherein the water adsorbent is a mixture of one or more of a salt-based composite, a porous material, a hydrogel, and a metal organic framework material.
4. The carbon dioxide and fresh water capture system of claim 2, wherein the carbon dioxide adsorbent is a mixture of one or more of an amine-functionalized porous material, an amine-functionalized resin, and a metal-organic framework material.
5. The carbon dioxide and fresh water capture system of claim 1, wherein the area ratio of the adsorption zone to the regeneration zone in the water and carbon adsorption wheels is 1: 1-3: 1.
6. a method for capturing carbon dioxide and fresh water using the capturing system for carbon dioxide and fresh water according to any one of claims 1 to 5, comprising the steps of:
s1: the power supply is switched on, and the motor, the fan and the air heating machine start to operate;
s2: the ambient air loops through the adsorption fan air supply, the adsorption zone of water adsorption runner carries out water adsorption, first condenser cools down, the adsorption zone of carbon adsorption runner carries out carbon adsorption, air heater heaies up, first regeneration fan air supply, the regeneration zone of carbon adsorption runner carries out carbon regeneration, second regeneration fan air supply, the regeneration zone of water adsorption runner carries out water regeneration and forms high carbon steam, the second condenser condenses high carbon steam, water and carbon dioxide after the condensation get into water storage tank and gas bomb respectively and save.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210812361.0A CN115162464A (en) | 2022-07-11 | 2022-07-11 | Carbon dioxide and fresh water capturing system and capturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210812361.0A CN115162464A (en) | 2022-07-11 | 2022-07-11 | Carbon dioxide and fresh water capturing system and capturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115162464A true CN115162464A (en) | 2022-10-11 |
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ID=83493500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210812361.0A Pending CN115162464A (en) | 2022-07-11 | 2022-07-11 | Carbon dioxide and fresh water capturing system and capturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115162464A (en) |
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2022
- 2022-07-11 CN CN202210812361.0A patent/CN115162464A/en active Pending
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