CN220968704U - Photocatalytic reactor - Google Patents
Photocatalytic reactor Download PDFInfo
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- CN220968704U CN220968704U CN202323036950.3U CN202323036950U CN220968704U CN 220968704 U CN220968704 U CN 220968704U CN 202323036950 U CN202323036950 U CN 202323036950U CN 220968704 U CN220968704 U CN 220968704U
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- catalyst
- net
- catalyst load
- load net
- upper cover
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- 230000001699 photocatalysis Effects 0.000 title claims abstract description 29
- 239000003054 catalyst Substances 0.000 claims abstract description 68
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 239000010453 quartz Substances 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 4
- 239000011949 solid catalyst Substances 0.000 abstract description 6
- 238000005286 illumination Methods 0.000 abstract description 4
- 239000000376 reactant Substances 0.000 abstract description 4
- 230000003197 catalytic effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 17
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 238000007146 photocatalysis Methods 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 239000011941 photocatalyst Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 238000013032 photocatalytic reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model relates to the technical field of photo-thermal catalytic equipment, in particular to a photo-catalytic reactor, which comprises a heater, wherein a temperature control box is arranged on the heater, a reaction kettle is arranged in the temperature control box, an upper cover is arranged on the temperature control box, a quartz window is arranged at the top of the upper cover, and an air inlet, an air outlet, a standby port, a temperature sensor and a pressure buffer device are also arranged at the top of the upper cover; the reaction kettle is internally provided with a first catalyst load net, a second catalyst load net and a third catalyst load net from top to bottom respectively, wherein the aperture of the first catalyst load net is larger than that of the second catalyst load net, and the aperture of the second catalyst load net is larger than that of the third catalyst load net. The three-layer catalyst loading net arranged in the photocatalytic reactor ensures that the catalyst is uniformly spread, can achieve the effects of full contact between the solid catalyst and the reactant gas molecules in the whole kettle body and uniform illumination, and improves the reaction efficiency.
Description
Technical Field
The utility model relates to the technical field of photo-thermal catalytic equipment, in particular to a photo-catalytic reactor.
Background
The photocatalysis principle is based on the oxidation-reduction capability of the photocatalyst under the condition of illumination, so that the purposes of purifying pollutants, synthesizing substances, converting substances and the like can be achieved. In general, photocatalytic oxidation reactions degrade organic matter into carbon dioxide and water using a semiconductor as a catalyst and light as energy. Therefore, the photocatalysis technology is used as an efficient and safe environment-friendly environment purification technology, and the improvement of indoor air quality is accepted by the international academy
The use of a photo-thermal catalyst to convert carbon dioxide and hydrogen to hydrocarbons (i.e., methane and C 2+ products) has attracted attention from many researchers in recent years because of its ability to increase solar energy utilization, reduce carbon dioxide emissions, and produce value-added chemicals.
The photo-thermal carbon dioxide hydrogenation reaction is generally carried out in a kettle photo-thermal reactor. The solid catalyst and the gas phase reactant are mixed in a kettle type photo-thermal reactor to carry out subsequent photo-thermal catalytic reaction. In the existing kettle type photo-thermal reactor, the mixing of a solid catalyst and a gas phase reactant is uneven, the conclusion judgment of the catalytic effect of the photo-thermal catalyst is also influenced while the reaction efficiency is influenced, and in many cases, the gas reaction needs to be controlled in temperature and can be carried out at a certain temperature, so that a novel kettle type reactor is urgently needed to solve the problem.
Chinese patent CN 207576137U discloses a photocatalytic reactor for gas purification comprising: the internal fin type photocatalytic reaction container comprises a container body, an internal bracket, a light source support, a plurality of internal fins, an inlet pipe, an outlet pipe, an opening with the top inserted into the internal light source, a fixing device and a wire joint, wherein the internal fins on the same horizontal plane in the container body are distributed at intervals, and two rows of upper and lower adjacent internal fins are distributed in a staggered manner; the inlet pipe and the outlet pipe are respectively positioned at the upper side and the lower side of the container body, so that gas can conveniently flow through the whole container body; the built-in light source is positioned in the center of the container body, and light emitted by the light source can irradiate on the gas and the catalyst.
The photocatalysis reactor provided by the patent has high photocatalysis efficiency, but is not suitable for gas reaction places needing temperature control, and has low control precision.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model aims to provide a photocatalytic reactor which is used for solving the problems that a kettle type photo-thermal reactor solid catalyst is not fully contacted with a gas-phase reactant in the prior art, and the temperature needs to be controlled and the temperature needs to be kept warm.
In order to achieve the above object, the present utility model provides the following technical solutions:
A photocatalytic reactor comprising a heater, characterized in that: the heater is provided with a temperature control box, a reaction kettle is arranged in the temperature control box, an upper cover is arranged on the temperature control box, a quartz window is arranged at the top of the upper cover, and an air inlet, an air outlet, a standby port, a temperature sensor and a pressure buffer device are also arranged at the top of the upper cover;
The reaction kettle is internally provided with a first catalyst load net, a second catalyst load net and a third catalyst load net from top to bottom respectively, wherein the aperture of the first catalyst load net is larger than that of the second catalyst load net, and the aperture of the second catalyst load net is larger than that of the third catalyst load net.
Preferably, the mesh wires of the first catalyst loading mesh, the second catalyst loading mesh and the third catalyst loading mesh are groove-shaped mesh wires, the notch of the groove-shaped mesh wires is upward, and the catalyst is placed in the notch.
Preferably, the pressure buffer device comprises a pressure gauge buffer tube, one end of the pressure gauge buffer tube is communicated with the upper cover, the other end of the pressure gauge buffer tube is connected with a pressure gauge, and the middle part of the pressure gauge buffer tube is also connected with an explosion-proof sheet.
Preferably, a display screen and a control and adjustment button are arranged on the heater.
Preferably, the quartz window is circular.
Preferably, a sealing ring is arranged at the joint of the temperature control box and the upper cover.
Preferably, valves are arranged on the air inlet, the air outlet and the standby port.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The photocatalysis reactor is provided with the heating furnace and the temperature control box, can control the temperature required by the reaction in the reaction kettle, keeps the temperature, is provided with the temperature sensor for real-time monitoring, and has high temperature control precision and better reaction effect.
(2) The photocatalytic reactor is provided with three layers of catalyst loading nets, the three layers of catalyst loading nets are used for placing catalysts, the pore diameters of the three layers of catalyst loading nets are from top to bottom, light can irradiate the three layers of catalyst loading nets through pores, when gas is introduced to react with the catalysts, the effects that the solid catalysts are fully contacted with reactive gas molecules in the whole kettle body and the illumination is uniform can be achieved, and the reaction efficiency is improved.
Drawings
FIG. 1 is a schematic view showing the overall structure of a photocatalytic reactor according to the present utility model;
FIG. 2 is a schematic diagram of the internal structure of a reaction kettle of a photocatalytic reactor according to the present utility model;
FIG. 3 is a schematic view of a catalyst support net of a photocatalytic reactor according to the present utility model;
FIG. 4 is a schematic view showing the overall structure of a mesh of a photocatalytic reactor according to the present utility model;
In the figure: wherein: 1. a heater; 2. a temperature control box; 3. a reaction kettle; 4. an upper cover; 5. a quartz window; 6. an air inlet; 7. an air outlet; 8. a standby port; 9. a temperature sensor; 10. a first catalyst support web; 11. a second catalyst support web; 12. a third catalyst support web; 13. a pressure gauge buffer tube; 14. a pressure gauge; 15. explosion-proof sheet; 16. a display screen; 17. and controlling the adjusting button.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
A photocatalytic reactor comprising a heater 1, characterized in that: the heater 1 is provided with a temperature control box 2, a reaction kettle 3 is arranged in the temperature control box 2, an upper cover 4 is arranged on the temperature control box 2, a quartz window 5 is arranged at the top of the upper cover 4, and an air inlet 6, an air outlet 7, a standby port 8, a temperature sensor 9 and a pressure buffer device are also arranged at the top of the upper cover 4;
The heater 1 is used for heating the reaction kettle 3 to control the temperature, the temperature control box 2 is used for preserving the heat, and the temperature sensor 9 is used for monitoring the temperature of the reaction kettle 3 in real time, so that the guarantee is provided for the temperature required by the reaction in the reaction kettle 3; the quartz window 5 arranged on the upper cover 4 has good light transmittance, provides a high-quality light source for photocatalysis, the air inlet 6 is used as a gas inlet, the air outlet 7 is used as a gas outlet, and the standby port 8 can be selectively arranged as the gas inlet or the gas outlet according to requirements.
The reaction kettle 3 is internally provided with a first catalyst load net 10, a second catalyst load net 11 and a third catalyst load net 12 from top to bottom, wherein the aperture of the first catalyst load net 10 is larger than that of the second catalyst load net 11, and the aperture of the second catalyst load net 11 is larger than that of the third catalyst load net 12.
In this embodiment, the wires of the first catalyst supporting net 10, the second catalyst supporting net 11 and the third catalyst supporting net 12 are groove-shaped wires, the notch of the groove-shaped wires is upward, and the catalyst is placed in the notch.
The first catalyst load net 10, the second catalyst load net 11 and the third catalyst load net 12 are in the shape of net silk groove, the catalyst is placed in the notch, the three layers of catalyst load nets are all placed with the catalyst, and the aperture of the three layers of catalyst load nets is from top to bottom from big to small, so that the catalyst can better receive illumination, the solid catalyst and the gas molecule react more uniformly due to the arrangement of the three layers of catalyst load nets, the contact is more sufficient, and the reaction efficiency is improved.
In this embodiment, the pressure buffer device includes a pressure gauge buffer tube 13, one end of the pressure gauge buffer tube 13 is connected with the upper cover 4, the other end of the pressure gauge buffer tube 13 is connected with a pressure gauge 14, and the middle part of the pressure gauge buffer tube 13 is also connected with a explosion-proof sheet 15.
The pressure gauge 14 monitors the pressure in the reaction kettle 3 in real time, and the explosion-proof sheet 15 can prevent the risk of explosion caused by overlarge pressure.
In this embodiment, the heater 1 is provided with a display 16 and a control button 17.
In this embodiment, the quartz window 5 is circular.
In this embodiment, a sealing ring is disposed at the connection between the temperature control box 2 and the upper cover 4.
The sealing ring ensures the air tightness of the reaction in the reaction kettle 3.
In this embodiment, valves are installed on the air inlet 6, the air outlet 7, and the standby port 8.
The working principle of the photocatalytic reactor is as follows:
The heater 1 is started, the reaction kettle 3 is heated to a proper temperature, heat preservation is carried out, a photocatalyst is placed on a catalyst load net, the upper cover 4 is covered, gas is introduced, a light source is aligned to the quartz window 5, gas molecules in the reaction kettle 3 react with the photocatalyst, the catalyst distribution is more uniform due to the arrangement of the catalyst load net, and good guarantee is provided for full contact of the gas molecules and the photocatalyst.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. A photocatalytic reactor comprising a heater (1), characterized in that: the heater (1) is provided with a temperature control box (2), a reaction kettle (3) is arranged in the temperature control box (2), an upper cover (4) is arranged on the temperature control box (2), a quartz window (5) is arranged at the top of the upper cover (4), and an air inlet (6), an air outlet (7), a standby port (8), a temperature sensor (9) and a pressure buffer device are also arranged at the top of the upper cover (4);
the reaction kettle (3) is internally provided with a first catalyst load net (10), a second catalyst load net (11) and a third catalyst load net (12) from top to bottom respectively, the aperture of the first catalyst load net (10) is larger than that of the second catalyst load net (11), and the aperture of the second catalyst load net (11) is larger than that of the third catalyst load net (12).
2. A photocatalytic reactor according to claim 1, characterized in that: the mesh wires of the first catalyst loading net (10), the second catalyst loading net (11) and the third catalyst loading net (12) are groove-shaped mesh wires, the notch of the groove-shaped mesh wires is upward, and a catalyst is placed in the notch.
3. A photocatalytic reactor according to claim 1, characterized in that: the pressure buffer device comprises a pressure gauge buffer tube (13), one end of the pressure gauge buffer tube (13) is communicated with an upper cover (4), the other end of the pressure gauge buffer tube (13) is connected with a pressure gauge (14), and the middle part of the pressure gauge buffer tube (13) is also connected with an explosion-proof sheet (15).
4. A photocatalytic reactor according to claim 1, characterized in that: the heater (1) is provided with a display screen (16) and a control and adjustment button (17).
5. A photocatalytic reactor according to claim 1, characterized in that: the quartz window (5) is round.
6. A photocatalytic reactor according to claim 1, characterized in that: and a sealing ring is arranged at the joint of the temperature control box (2) and the upper cover (4).
7. A photocatalytic reactor according to claim 1, characterized in that: valves are arranged on the air inlet (6), the air outlet (7) and the standby port (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323036950.3U CN220968704U (en) | 2023-11-10 | 2023-11-10 | Photocatalytic reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323036950.3U CN220968704U (en) | 2023-11-10 | 2023-11-10 | Photocatalytic reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220968704U true CN220968704U (en) | 2024-05-17 |
Family
ID=91036305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323036950.3U Active CN220968704U (en) | 2023-11-10 | 2023-11-10 | Photocatalytic reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220968704U (en) |
-
2023
- 2023-11-10 CN CN202323036950.3U patent/CN220968704U/en active Active
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