CN109499267B - Device capable of circularly adsorbing carbon dioxide - Google Patents
Device capable of circularly adsorbing carbon dioxide Download PDFInfo
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- CN109499267B CN109499267B CN201910046069.0A CN201910046069A CN109499267B CN 109499267 B CN109499267 B CN 109499267B CN 201910046069 A CN201910046069 A CN 201910046069A CN 109499267 B CN109499267 B CN 109499267B
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- pipeline
- carbon dioxide
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- adsorption
- reversing valve
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 138
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 70
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 70
- 238000001179 sorption measurement Methods 0.000 claims abstract description 102
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 37
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000010457 zeolite Substances 0.000 claims abstract description 37
- 239000000779 smoke Substances 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 39
- 239000003546 flue gas Substances 0.000 abstract description 39
- 238000000746 purification Methods 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 18
- 238000003795 desorption Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052909 inorganic silicate Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000329 molecular dynamics simulation Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 238000001926 trapping method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-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
- B01D53/04—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 stationary adsorbents
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Separation Of Gases By Adsorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
A device capable of circularly adsorbing carbon dioxide belongs to the technical field of flue gas purification. The device capable of circularly adsorbing carbon dioxide comprises a first adsorption chamber, a second adsorption chamber and a carbon dioxide collector, wherein an air inlet pipeline is communicated with an air inlet of a pipeline I in the first adsorption chamber or an air inlet of a pipeline II in the second adsorption chamber through a reversing valve, an air outlet of the pipeline I is communicated with the adsorption chamber through a pipeline III, a switch II is arranged on the pipeline III, the adsorption chamber is communicated with the atmosphere or the carbon dioxide collector through a reversing valve III, an air outlet of the pipeline II is communicated with the adsorption chamber I through a pipeline IV, a switch I is arranged on the pipeline IV, the adsorption chamber I is communicated with the atmosphere or the carbon dioxide collector through a reversing valve II, a space outside the pipeline I in the adsorption chamber is filled with 4A zeolite, and a space outside the pipeline II in the adsorption chamber is filled with 4A zeolite. The device capable of circularly adsorbing carbon dioxide can realize the circular adsorption of carbon dioxide, improve the working efficiency and effectively reduce the adsorption cost.
Description
Technical Field
The invention relates to the technical field of flue gas purification, in particular to a device capable of circularly adsorbing carbon dioxide.
Background
At present, the carbon dioxide trapping mode is mainly divided into three types, namely a pre-combustion trapping technology, a post-combustion trapping technology and an oxygen-enriched combustion technology, wherein the post-combustion trapping technology is the most mature carbon dioxide trapping method, and the commonly used post-combustion trapping technology comprises an absorption method, a membrane separation method, an adsorption method and the like. The absorption method can be divided into physical absorption and chemical absorption, the physical absorption method is usually to absorb carbon dioxide by using an organic solvent under the condition of pressurization so as to realize the removal of the carbon dioxide in the flue gas, and the absorption liquid does not chemically react with the carbon dioxide, but the selectivity of the physical absorption method to the carbon dioxide and other gases is not high, so that the treatment cost is increased; common absorption liquids include sulfolane, polyethylene glycol dimethyl ether, propylene carbonate and the like; the chemical absorption method is to react with carbon dioxide through a chemical solvent to generate new substances to fix and absorb the carbon dioxide, so as to achieve the effect of absorbing and separating the carbon dioxide in the flue gas. The membrane separation technology mainly utilizes that the speed of carbon dioxide in flue gas passing through a membrane is higher than that of other components, so that the carbon dioxide is absorbed by a chemical absorbent positioned on one side of the membrane. The membrane separation method has the advantages of low energy consumption, no secondary pollution in the separation process, simple and convenient operation and the like, but has high cost and limited popularization prospect.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a device capable of circularly adsorbing carbon dioxide, which can realize the circular adsorption of the carbon dioxide, improve the working efficiency and effectively reduce the adsorption cost.
In order to achieve the above object, the technical scheme of the present invention is as follows:
the device comprises a first adsorption chamber, a second adsorption chamber and a carbon dioxide collector, wherein an air inlet pipeline is communicated with an air inlet of a pipeline I in the first adsorption chamber or an air inlet of a pipeline II in the second adsorption chamber through a reversing valve, an air outlet of the pipeline I is communicated with the adsorption chamber through a pipeline III, a switch II is arranged on the pipeline III, the adsorption chamber II is communicated with the atmosphere or the carbon dioxide collector through a reversing valve III, an air outlet of the pipeline II is communicated with the adsorption chamber I through a pipeline IV, a switch I is arranged on the pipeline IV, and the adsorption chamber I is communicated with the atmosphere or the carbon dioxide collector through a reversing valve II;
the space outside the first pipeline of the adsorption chamber is filled with 4A zeolite, and the space outside the second pipeline of the adsorption chamber is filled with 4A zeolite.
And an induced draft fan and a smoke treatment device are arranged on the air inlet pipeline.
The first pipeline and the second pipeline are respectively straight or spiral.
The first reversing valve, the second reversing valve and the third reversing valve are all electric three-way ball valves.
And the switch I and the switch II adopt electric ball valves.
The invention has the beneficial effects that:
compared with the prior art, the invention provides a brand new carbon dioxide adsorption scheme. (1) The adsorbent adopted by the invention is 4A zeolite, the adsorption process is physical adsorption, and chemical products are not required to be consumed, so that the method is economical and practical; (2) According to the invention, by utilizing the characteristics of low-temperature adsorption and high-temperature desorption of the 4A zeolite, two adsorption chambers are arranged, wherein one adsorption chamber completes the adsorption process, and the other adsorption chamber completes the desorption process; (3) The whole device capable of circularly absorbing carbon dioxide can circularly absorb carbon dioxide, so that the labor cost is reduced, the multi-split machine can work, and large-scale carbon dioxide absorption is realized.
Drawings
FIG. 1 is a schematic diagram of a device for cyclically adsorbing carbon dioxide according to the present invention;
FIG. 2 is a schematic illustration of a first operating condition provided by the present invention;
FIG. 3 is a schematic illustration of a second operating condition provided by the present invention;
fig. 4 is a schematic structural diagram of a first adsorption chamber provided by the invention.
Wherein,
1-smoke, 2-reversing valve I, 3-reversing valve II, 4-reversing valve III, 5-adsorption chamber I, 6-adsorption chamber II, 7-switch I, 8-switch II, 9-carbon dioxide collector, 10-4A zeolite, 11-induced draft fan and 12-smoke treatment device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. In the description of the present invention, it should be noted that, furthermore, the terms "a," "an," "the," and "the" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the terms "mounted," "configured to," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In order to solve the problems in the prior art, as shown in fig. 1 to 4, the invention provides a device capable of circularly absorbing carbon dioxide, which comprises an absorption chamber I5, an absorption chamber II 6 and a carbon dioxide collector 9, wherein an air inlet pipeline is communicated with an air inlet of a pipeline I in the absorption chamber I5 or an air inlet of a pipeline II in the absorption chamber II 6 through a reversing valve I2, an air outlet of the pipeline I is communicated with the absorption chamber II 6 through a pipeline III, a switch II 8 is arranged on the pipeline III, the absorption chamber II 6 is communicated with the atmosphere or the carbon dioxide collector 9 through a reversing valve III 4, an air outlet of the pipeline II is communicated with the absorption chamber I5 through a pipeline IV, a switch I7 is arranged on the pipeline IV, and the absorption chamber I5 is communicated with the atmosphere or the carbon dioxide collector 9 through a reversing valve II 3;
the space outside the first pipeline in the first adsorption chamber 5 is filled with 4A zeolite 10, and the space outside the second pipeline in the second adsorption chamber 6 is filled with 4A zeolite 10.
An induced draft fan 11 and a flue gas treatment device 12 are arranged on the air inlet pipeline. As shown in fig. 1, the induced draft fan 11 is located between the flue gas treatment device 12 and the first reversing valve 2 to prevent the untreated flue gas 1 from damaging the induced draft fan 11, and in actual use, the flue gas treatment device 12 may be located between the induced draft fan 11 and the first reversing valve 2.
In this embodiment, as shown in fig. 1, the first reversing valve 2, the second reversing valve 3 and the third reversing valve 4 are all used for controlling the trend of the flue gas 1, the first switch 7 is used for controlling the entry of the flue gas 1 in the first adsorption chamber 5, the second switch 8 is used for controlling the entry of the flue gas 1 in the second adsorption chamber 6, the first adsorption chamber 5 is provided with a first pipeline, the second adsorption chamber 6 is provided with a second pipeline, the adsorption and desorption processes of carbon dioxide are completed in the first adsorption chamber 5 and the second adsorption chamber 6, and the first pipeline and the second pipeline are respectively straight or spiral, preferably spiral, and have higher efficiency. The first reversing valve 2, the second reversing valve 3 and the third reversing valve 4 are all electric three-way ball valves, the electric three-way ball valves are electric three-way ball valves of ZERFON, the types of the electric three-way ball valves are ZF300-94, the first switch 7 and the second switch 8 are all electric ball valves, the electric ball valves are electric stainless steel flange ball valves of ZERFON, the types of the electric stainless steel flange ball valves are ZF100-9, and in the whole adsorption and desorption processes, reversing frequencies of the first reversing valve 2, the second reversing valve 3 and the third reversing valve 4 and opening and closing frequencies of the first switch 7 and the second switch 8 are set according to actual states. The internal structures of the adsorption chamber I5 and the adsorption chamber II 6 are the same, the exhaust pipeline of the adsorption chamber I5 is communicated with the atmosphere or carbon dioxide collector 9 through the reversing valve II 3, and the exhaust pipeline of the adsorption chamber II 6 is communicated with the atmosphere or carbon dioxide collector 9 through the reversing valve III 4. Because the space outside the first pipeline in the first adsorption chamber 5 is filled with the 4A zeolite 10, and the space outside the second pipeline in the second adsorption chamber 6 is filled with the 4A zeolite 10, the first adsorption chamber 5 and the second adsorption chamber 6 can be horizontally placed and can be vertically placed, and can also be placed according to the actual working requirement. In this embodiment, the type of the flue gas treatment device 12 is a colno CL-50, the flue gas treatment device 12 is mainly used for removing liquid impurities and solid impurities in the flue gas 1, the treatment step includes cooling the flue gas 1 to condense the liquid impurities to obtain cooled flue gas 1, and filtering the cooled flue gas 1 to obtain treated flue gas 1.
In this example, zeolite 4A 10 was used because zeolite 4A 10 has a crystal structure similar to that of sodium chloride, and zeolite A is composed of a basic structural unit of [ SiO4]4-, in which each silicon atom is bonded to four oxygen bridges, and each oxygen atom is bonded to two silicon atoms. Through various binding modes, these primary structural units form a basic framework structure SOD cage of the multi-ring. The A-type zeolite crystal has extremely high polarity effect due to the special cage structure, so that the 4A zeolite 10 has extremely high adsorption performance, is used for the adsorption and desorption process of gas, is commonly used for the adsorption and separation of ethanol, carbon dioxide and methane in industry, and is a static desiccant with extremely good performance because the A-type zeolite crystal has extremely high adsorption effect on water. The cage structure and the pore canal structure of the 4A zeolite 10 can absorb carbon dioxide, have extremely high selective adsorptivity to carbon dioxide and nitrogen, can remove the influence of nitrogen in gas on the carbon dioxide, are ideal physical adsorbents for separating carbon dioxide in flue gas, have important influence on the adsorption performance of the carbon dioxide due to temperature, and the adsorption quantity of the 4A zeolite 10 is reduced along with the rise of the temperature, so that a desorption process occurs. From the thermodynamic point of view, the main way of the 4A zeolite 10 to adsorb gas is to use its cage and pore structure, which is physical adsorption, and the physical adsorption is an exothermic reaction, so that the adsorption is hindered by the rise of temperature; from the molecular dynamics point of view, as the adsorption temperature increases, the kinetic energy of gas molecules increases, and the 4A zeolite 10 is difficult to capture more active molecules, and the captured molecules also easily escape from the pore structure, so that as the temperature increases, the equilibrium adsorption amount of the 4A zeolite 10 decreases, and the device for circularly adsorbing carbon dioxide of the present invention uses the characteristic of the 4A zeolite 10.
The working process of the device capable of circularly adsorbing carbon dioxide is as follows:
first, the flue gas 1 is filtered by the flue gas treatment device 12 to remove liquid impurities (such as moisture and some liquid organic matters) and solid impurities in the flue gas 1, so as to prevent the liquid impurities and the solid impurities from affecting the absorption effect of the 4A zeolite 10. The whole treatment process needs to ensure that the temperature of the flue gas 1 does not drop excessively, because according to the adsorption curve of the 4A zeolite 10, the final carbon dioxide adsorption amount of the 4A zeolite 10 can reach 3.57mmol/g at 30 ℃, other conditions are unchanged, when the temperature rises to 60 ℃, the equilibrium adsorption amount of carbon dioxide is 1.50mmol/g, compared with the adsorption amount at 30 ℃, 57.98% is reduced, when the temperature continues to rise to 90 ℃, the adsorption rate is slowed down, the adsorption amount continues to be reduced, the saturated adsorption amount after equilibrium is only 0.84mmol/g, and compared with the adsorption amount at 30 ℃, 76.47% is reduced. Therefore, in order to achieve the desorption effect, the flue gas 1 needs to be guaranteed to be at about 90 ℃ before entering the first adsorption chamber 5 or the second adsorption chamber 6.
The treated flue gas 1 enters an adsorption chamber I5 to be in a first working state, as shown in fig. 2, a reversing valve I2 is turned to the adsorption chamber I5, a reversing valve II 3 is turned to a carbon dioxide collector 9, a reversing valve III 4 is turned to the atmosphere end, a switch I7 is in a closed state, a switch II 8 is in an open state, and the specific working process is that the flue gas 1 enters a pipeline I of the adsorption chamber I5 through the reversing valve I2, the adsorption chamber I5 contains 4A zeolite 10,4A zeolite 10 which has been adsorbed and contains carbon dioxide and is heated by the flue gas 1 in the pipeline, the contained carbon dioxide is discharged, the discharged carbon dioxide enters the carbon dioxide collector 9 through the reversing valve II 3, then the flue gas 1 directly enters the adsorption chamber II 6 through the switch II 8 and is in direct contact with the 4A zeolite 10 in the adsorption chamber II 6, and the carbon dioxide in the flue gas 1 is adsorbed by the 4A zeolite 10 and then discharged into the atmosphere through the reversing valve III 4. Through the first working state, carbon dioxide in the 4A zeolite 10 in the first adsorption chamber 5 is heated, discharged and collected, and the adsorption of carbon dioxide in the smoke 1 is completed in the second adsorption chamber 6, so that the aim of purifying the smoke 1 is fulfilled.
The treated flue gas 1 enters an adsorption chamber II 6 to be in a second working state, as shown in fig. 3, a reversing valve I2 is turned to an adsorption chamber II 6, a reversing valve II 3 is turned to an atmosphere end, a reversing valve III 4 is turned to a carbon dioxide collector 9, a switch I7 is in an on state, a switch II 8 is in an off state, and specifically, the working process is that the flue gas 1 enters a pipeline II in the adsorption chamber II 6 through a reversing valve I, after the adsorption chamber II 6 contains 4A zeolite 10,4A zeolite 10 which is adsorbed and contains carbon dioxide, the carbon dioxide contained in the pipeline is heated by the flue gas 1, the carbon dioxide contained in the pipeline is discharged, the discharged carbon dioxide enters a carbon dioxide collector 9 through a reversing valve III 4, the flue gas 1 in the pipeline II enters an adsorption chamber I5 through a switch I7, and after the 4A zeolite 10 is in direct contact with the flue gas 1, the carbon dioxide in the flue gas 1 is absorbed, the purified and the flue gas 1 is purified through the reversing valve II 3. Through the second working state, carbon dioxide in the 4A zeolite 10 in the second adsorption chamber 6 is heated, removed and collected, and the adsorption of carbon dioxide in the flue gas 1 is completed in the first adsorption chamber 5, so that the purpose of purifying the flue gas 1 is achieved.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (1)
1. The device capable of circularly adsorbing the carbon dioxide is characterized by comprising a first adsorption chamber, a second adsorption chamber and a carbon dioxide collector, wherein an air inlet pipeline is communicated with an air inlet of a pipeline I in the first adsorption chamber or an air inlet of a pipeline II in the second adsorption chamber through a reversing valve, an air outlet of the pipeline I is communicated with the adsorption chamber through a pipeline III, a switch II is arranged on the pipeline III, the adsorption chamber II is communicated with the atmosphere or the carbon dioxide collector through a reversing valve III, an air outlet of the pipeline II is communicated with the adsorption chamber I through a pipeline IV, a switch I is arranged on the pipeline IV, and the adsorption chamber I is communicated with the atmosphere or the carbon dioxide collector through a reversing valve II;
the space outside the first pipeline of the adsorption chamber I is filled with 4A zeolite, and the space outside the second pipeline of the adsorption chamber II is filled with 4A zeolite;
an induced draft fan and a smoke treatment device are arranged on the air inlet pipeline;
the first pipeline and the second pipeline are respectively straight or spiral;
the first reversing valve, the second reversing valve and the third reversing valve are all electric three-way ball valves;
and the switch I and the switch II adopt electric ball valves.
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| CN201910046069.0A CN109499267B (en) | 2019-01-17 | 2019-01-17 | Device capable of circularly adsorbing carbon dioxide |
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| CN201910046069.0A CN109499267B (en) | 2019-01-17 | 2019-01-17 | Device capable of circularly adsorbing carbon dioxide |
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| CN109499267B true CN109499267B (en) | 2024-03-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2832141B1 (en) * | 2001-11-14 | 2004-10-01 | Ceca Sa | SYNTHESIS GAS PURIFICATION PROCESS |
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2019
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| KR940005527A (en) * | 1992-05-29 | 1994-03-21 | 래리 알, 카세트 | Process for preparing and separating unsaturated hydrocarbons from saturated hydrocarbons |
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| CN109499267A (en) | 2019-03-22 |
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