CN221207502U - Photocatalytic reduction carbon dioxide reaction bin and device thereof - Google Patents
Photocatalytic reduction carbon dioxide reaction bin and device thereof Download PDFInfo
- Publication number
- CN221207502U CN221207502U CN202322933661.7U CN202322933661U CN221207502U CN 221207502 U CN221207502 U CN 221207502U CN 202322933661 U CN202322933661 U CN 202322933661U CN 221207502 U CN221207502 U CN 221207502U
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- Prior art keywords
- bin body
- carbon dioxide
- dioxide reaction
- reduction carbon
- photocatalytic reduction
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 54
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 51
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 51
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 34
- 230000009467 reduction Effects 0.000 title claims abstract description 34
- 239000011521 glass Substances 0.000 claims abstract description 29
- 238000005286 illumination Methods 0.000 claims abstract description 21
- 239000012528 membrane Substances 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 239000003054 catalyst Substances 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 238000006722 reduction reaction Methods 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 6
- 239000012466 permeate Substances 0.000 claims description 3
- 238000003980 solgel method Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000010531 catalytic reduction reaction Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 22
- 230000008901 benefit Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- Catalysts (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a photocatalytic reduction carbon dioxide reaction bin which comprises an outer bin body, an inner bin body, a glass partition plate, a gas separation membrane and an illumination mechanism, wherein the illumination mechanism is arranged on the side wall of the outer bin body to illuminate the inner bin body, the inner bin body is accommodated in a cavity of the outer bin body, an air inlet pipe and an air outlet pipe are arranged on the outer bin body in a penetrating way, the end part of the air inlet pipe is communicated with a cavity of the inner bin body, an air outlet is formed in the inner bin body, the gas outlet is covered with the gas separation membrane to selectively penetrate through gas, the glass partition plate is arranged in the cavity of the inner bin body, and a catalyst is fixed on the surface of the glass partition plate. The photocatalytic reduction carbon dioxide reaction bin provided by the utility model improves the reaction rate of reducing carbon dioxide, and simultaneously solves the problem of poor selectivity of the reduction carbon dioxide reaction in the prior art.
Description
Technical Field
The utility model relates to the field of carbon emission reduction, in particular to a photocatalytic reduction carbon dioxide reaction bin and a device thereof.
Background
In the great background of climate problems such as global warming, the emission reduction of greenhouse gas carbon dioxide has become an urgent problem to be solved. The existing processes for treating carbon dioxide, such as pressure swing adsorption, cryogenic liquefaction, monoethanolamine aqueous solution absorption and the like, increase energy consumption and economic cost, and simultaneously cannot obtain good industrial benefits, so that a plurality of defects exist.
The principle of the photocatalytic carbon dioxide chemical conversion is a chemical conversion method using sunlight as a reaction light source, and the method has the advantages of simple process, low cost and easy operation, and is an ideal green path for carbon dioxide conversion. The environmental problems such as greenhouse effect are relieved, the global energy crisis can be solved, and the carbon circulation is realized.
However, in the prior art, the photocatalytic carbon dioxide has a problem of low reaction efficiency.
Disclosure of utility model
The utility model mainly aims to provide a photocatalytic reduction carbon dioxide reaction bin and a device thereof, which aim to improve the efficiency of carbon dioxide reduction reaction.
In order to achieve the aim, the utility model provides a photocatalytic reduction carbon dioxide reaction bin, which comprises an outer bin body, an inner bin body, a glass partition plate, a gas separation membrane and an illumination mechanism, wherein,
The illumination mechanism is arranged on the side wall of the outer bin body to irradiate the inner bin body, the inner bin body is accommodated in the cavity of the outer bin body, the outer bin body is provided with an air inlet pipe and an air outlet pipe in a penetrating mode, the end portion of the air inlet pipe is communicated with the cavity of the inner bin body, the inner bin body is provided with an air outlet, the air outlet is covered with a gas separation membrane to selectively permeate gas, the glass partition plate is arranged in the cavity of the inner bin body, and the surface of the glass partition plate is fixedly provided with a catalyst.
Preferably, the catalyst is immobilized on the surface of the glass separator by a sol-gel process.
Preferably, the outer bin body comprises a shell and a top cover which is covered on the top of the shell and is in sealing connection with the shell, the air inlet pipe is arranged on the top cover in a penetrating mode, the air outlet pipe is arranged on the shell in a penetrating mode, and the illumination mechanism is fixed on the side wall of the shell.
Preferably, the illumination mechanism comprises an illumination lamp fixed on the side wall of the shell and a power supply device electrically connected with the illumination lamp.
Preferably, the end part of the air outlet pipe is inserted into the shell, and the air outlet pipe is communicated with the cavity between the outer bin body and the inner bin body.
Preferably, the end face of the air inlet pipe, which is positioned outside the outer bin body, is provided with a flange.
Preferably, a plurality of glass baffles are arranged at equal intervals inside the cavity of the inner bin body.
Preferably, the glass separator is an organic glass separator; the inner bin body is made of transparent materials.
Preferably, a plurality of square air outlets are formed in the inner bin body; the outer side wall of the inner bin body is provided with a safety valve for controlling the constant pressure in the cavity.
The utility model further provides a photocatalytic reduction carbon dioxide reaction device which comprises the photocatalytic reduction carbon dioxide reaction bin.
The photocatalytic reduction carbon dioxide reaction bin provided by the utility model has the following beneficial effects:
1. The catalyst is fixed on the glass partition plate, so that the stability and the recycling rate of the catalyst are improved, and the reaction rate of reducing carbon dioxide is also improved;
2. The reaction rate of reducing the carbon dioxide is further improved by arranging the illumination mechanism;
3. The gas separation membrane is arranged at the gas outlet, so that the problem of poor selectivity of the reaction for reducing carbon dioxide in the prior art is solved;
4. the reaction bin has the advantages of simple structure, stable operation and easy realization.
Drawings
FIG. 1 is a schematic cross-sectional structural view of a preferred embodiment of a photocatalytic reduction carbon dioxide reaction cartridge according to the present utility model;
FIG. 2 is a schematic block diagram of a three-dimensional structure of a preferred embodiment of the photocatalytic reduction carbon dioxide reaction cartridge of the present utility model;
FIG. 3 is a schematic structural view of the photocatalytic reduction carbon dioxide reaction cartridge of the present utility model after the top cover is removed.
In the figure, a gas inlet pipe, a gas outlet pipe and a flange are shown as follows; 3. a top cover; 4. an outer bin body; 5. a power supply device; 6. a radiation lamp; 7. a housing; 8. a gas separation membrane; 9. a glass separator; 10. an air outlet pipe; 11. a safety valve.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It should be noted that, in the description of the present utility model, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The utility model provides a photocatalytic reduction carbon dioxide reaction bin.
Referring to fig. 1 to 3, in the present preferred embodiment, a photocatalytic reduction carbon dioxide reaction cartridge includes an outer cartridge body 4, an inner cartridge body, a glass partition 9, a gas separation membrane 8 and an illumination mechanism, wherein,
The illumination mechanism is arranged on the side wall of the outer bin body 4 to irradiate the inner bin body, the inner bin body is accommodated in the cavity of the outer bin body 4, the outer bin body 4 is provided with an air inlet pipe 1 and an air outlet pipe 10 in a penetrating mode, the end portion of the air inlet pipe 1 is communicated with the cavity of the inner bin body, the inner bin body is provided with an air outlet, the air outlet is covered with a gas separation membrane 8 to selectively permeate gas, a glass partition plate 9 is arranged in the cavity of the inner bin body, and the surface of the glass partition plate 9 is fixedly provided with a catalyst.
In this embodiment, the outer bin body 4 and the inner bin body are both rectangular structures arranged in a hollow manner.
Further, in the present embodiment, the catalyst is fixed on the surface of the glass separator 9 by a sol-gel method, and the use of such a fixing scheme has the advantage of easy implementation and good catalytic effect. The novel heterostructure 2D/2D Ni doped Z-type heterostructure catalyst can be used as a catalyst for the reaction, and the high conversion rate and the high selectivity of the reaction for reducing carbon dioxide to generate carbon monoxide can be realized.
In this embodiment, the outer bin 4 includes a housing 7 and a top cover 3 covered on the top of the housing 7 and in sealing connection with the housing 7, the air inlet pipe 1 is arranged on the top cover 3 in a penetrating manner, the air outlet pipe 10 is arranged on the housing 7 in a penetrating manner, and the illumination mechanism is fixed on the side wall of the housing 7. Specifically, a sealing ring and a sealing groove can be arranged between the top cover 3 and the shell 7 to match, so that the sealing capability of the top cover and the shell is improved.
In this embodiment, the illumination mechanism includes an illumination lamp 6 fixed to a side wall of a housing 7 and a power supply device 5 electrically connected thereto. The shell 7 is provided with a lamp hole, and the irradiation lamp 6 is arranged on the lamp hole. The power supply means 5 are fixed to the outer side wall of the housing 7 by corresponding fixing means, such as a support plate or the like.
In this embodiment, the end of the air outlet pipe 10 is inserted into the housing 7, and the air outlet pipe 10 is communicated with the cavity between the outer bin 4 and the inner bin.
Further, referring to fig. 1 and 2, a flange 2 is mounted on an end surface of the intake pipe 1 located outside the outer housing 4. By providing the flange 2 in the inlet pipe 1, the inlet pipe 1 is facilitated to communicate with other pipes.
In this embodiment, referring to fig. 1, a plurality of glass partitions 9 are arranged at equal intervals inside the chamber of the inner bin body. The glass separator 9 is an organic glass separator. The organic glass has good light transmittance, and can effectively utilize the light source. In addition, referring to fig. 3, a plurality of square air outlets are formed in the inner bin body. The inner bin body is made of transparent materials, so that illumination can pass through the inner bin body conveniently, and the reaction rate of reducing carbon dioxide can be improved.
Further, a safety valve 11 for controlling the pressure in the chamber to be constant is installed on the outer side wall of the inner bin body. The device particularly adopts the combination of the gas separation membrane and the safety valve 11, controls the gas pressure in the reaction cavity to be certain, ensures the sufficiency of gas reaction, ensures the safety of the reaction, controls the gas pressure at two sides of the membrane, and improves the diffusion rate of produced gas on the membrane.
The working principle of the photocatalytic reduction carbon dioxide reaction bin is as follows: carbon dioxide enters the interior of the inner bin body through the air inlet pipe 1 and reacts with the catalyst on the surface of the glass partition plate 9 under the irradiation of the irradiation lamp 6, so that the carbon dioxide is reduced into carbon monoxide. By the selective action of the gas separation membrane 8, the reduced carbon monoxide can pass through the gas separation membrane 8 to enter a chamber between the outer bin body 4 and the inner bin body (unreduced carbon dioxide cannot be discharged through the gas separation membrane 8) and then is discharged through the gas outlet pipe 10.
The photocatalytic reduction carbon dioxide reaction bin provided by the embodiment has the following beneficial effects:
1. The catalyst is fixed on the glass partition plate 9, so that the stability and the recycling rate of the catalyst are improved, and the reaction rate of reducing carbon dioxide is also improved;
2. The reaction rate of reducing the carbon dioxide is further improved by arranging the illumination mechanism;
3. By arranging the gas separation membrane 8 at the gas outlet, the problem of poor selectivity of the reaction for reducing carbon dioxide in the prior art is solved;
4. the reaction bin has the advantages of simple structure, stable operation and easy realization.
The utility model further provides a photocatalytic reduction carbon dioxide reaction device.
In the preferred embodiment, the photocatalytic reduction carbon dioxide reaction system includes a photocatalytic reduction carbon dioxide reaction chamber, and the specific structure and the beneficial effects of the photocatalytic reduction carbon dioxide reaction chamber refer to the above embodiments and are not described herein again.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but is intended to cover all equivalent structures modifications, direct or indirect application in other related arts, which are included in the scope of the present utility model.
Claims (10)
1. A photo-catalytic reduction carbon dioxide reaction bin is characterized by comprising an outer bin body, an inner bin body, a glass partition plate, a gas separation membrane and an illumination mechanism, wherein,
The illumination mechanism is arranged on the side wall of the outer bin body to irradiate the inner bin body, the inner bin body is accommodated in the cavity of the outer bin body, the outer bin body is provided with an air inlet pipe and an air outlet pipe in a penetrating mode, the end portion of the air inlet pipe is communicated with the cavity of the inner bin body, the inner bin body is provided with an air outlet, the air outlet is covered with a gas separation membrane to selectively permeate gas, the glass partition plate is arranged in the cavity of the inner bin body, and the surface of the glass partition plate is fixedly provided with a catalyst.
2. The photocatalytic reduction carbon dioxide reaction cartridge as set forth in claim 1, wherein the catalyst is fixed to the surface of the glass separator by a sol-gel method.
3. The photocatalytic reduction carbon dioxide reaction cartridge as set forth in claim 1, wherein the outer cartridge body comprises a housing and a top cover covered on the top of the housing and in sealing connection therewith, the air inlet pipe is disposed through the top cover, the air outlet pipe is disposed through the housing, and the illumination mechanism is fixed on the side wall of the housing.
4. The photocatalytic reduction carbon dioxide reaction cartridge as set forth in claim 3, wherein the illumination mechanism comprises an illumination lamp fixed to a side wall of the housing and a power supply device electrically connected thereto.
5. The photocatalytic reduction carbon dioxide reaction cartridge as set forth in claim 3, wherein the end portion of the air outlet pipe is inserted into the housing, and the air outlet pipe communicates with the chamber between the outer cartridge body and the inner cartridge body.
6. The photocatalytic reduction carbon dioxide reaction cartridge as set forth in claim 1, wherein a flange is installed on an end surface of the air inlet pipe located outside the outer cartridge body.
7. The photocatalytic reduction carbon dioxide reaction cartridge as set forth in claim 1, wherein a plurality of glass partitions are disposed at equal intervals inside the chamber of the inner cartridge body.
8. The photocatalytic reduction carbon dioxide reaction cartridge as set forth in claim 1, wherein said glass separator is an organic glass separator; the inner bin body is made of transparent materials.
9. The photocatalytic reduction carbon dioxide reaction cartridge as set forth in any one of claims 1 to 8, wherein said inner cartridge body is provided with a plurality of square air outlets; the outer side wall of the inner bin body is provided with a safety valve for controlling the constant pressure in the cavity.
10. A photocatalytic reduction carbon dioxide reaction device, characterized by comprising the photocatalytic reduction carbon dioxide reaction cartridge according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322933661.7U CN221207502U (en) | 2023-10-31 | 2023-10-31 | Photocatalytic reduction carbon dioxide reaction bin and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322933661.7U CN221207502U (en) | 2023-10-31 | 2023-10-31 | Photocatalytic reduction carbon dioxide reaction bin and device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221207502U true CN221207502U (en) | 2024-06-25 |
Family
ID=91573064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322933661.7U Active CN221207502U (en) | 2023-10-31 | 2023-10-31 | Photocatalytic reduction carbon dioxide reaction bin and device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221207502U (en) |
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2023
- 2023-10-31 CN CN202322933661.7U patent/CN221207502U/en active Active
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