CN219758038U - Catalyst hand sample sulphur ageing device - Google Patents
Catalyst hand sample sulphur ageing device Download PDFInfo
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- CN219758038U CN219758038U CN202321145020.9U CN202321145020U CN219758038U CN 219758038 U CN219758038 U CN 219758038U CN 202321145020 U CN202321145020 U CN 202321145020U CN 219758038 U CN219758038 U CN 219758038U
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- box
- mixing box
- mixing
- stainless steel
- steel shell
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- 230000032683 aging Effects 0.000 title claims abstract description 55
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000003054 catalyst Substances 0.000 title claims abstract description 25
- 239000005864 Sulphur Substances 0.000 title description 2
- 238000002156 mixing Methods 0.000 claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 30
- 239000010935 stainless steel Substances 0.000 claims abstract description 30
- 239000011593 sulfur Substances 0.000 claims abstract description 26
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 26
- 229920000742 Cotton Polymers 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 239000010453 quartz Substances 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000001704 evaporation Methods 0.000 claims abstract description 5
- 230000008020 evaporation Effects 0.000 claims abstract description 5
- 238000009834 vaporization Methods 0.000 claims description 13
- 230000008016 vaporization Effects 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 36
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 239000002912 waste gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
Abstract
The utility model relates to the technical field of sulfur ageing, and provides a small sample sulfur ageing device for a catalyst, which comprises a high-temperature test box, a first mixing box, a second mixing box, a water evaporation box, an air inlet pipeline and a sulfur gas tank, wherein the high-temperature test box is respectively connected with the first mixing box and the second mixing box, the high-temperature test box comprises a stainless steel shell, a quartz plug, an ageing platform, a heating pipe and an ultrafine glass insulating cotton layer, the ultrafine glass insulating cotton layer covers the surface of the stainless steel shell, the stainless steel shell is of a torus structure, two ends of the stainless steel shell are respectively provided with an air inlet end and an air outlet end, the stainless steel shell is matched with the quartz plug to form an ageing cavity, and the heating pipe and the ageing platform are arranged in the cavity of the stainless steel shell. Through the technical scheme, the aging mode can be conveniently switched according to the aging requirement, and the aging mode can be accurately controlled.
Description
Technical Field
The utility model relates to the technical field of catalyst small sample sulfur ageing devices, in particular to a catalyst small sample sulfur ageing device.
Background
While the economy of China is rapidly developed, the waste gas generated by industrial production and tail gas emission is also gradually paid attention to, and the waste gas contains carbon monoxide, hydrocarbon, nitrogen oxides, sulfur oxides, particulate matters and the like, so that the waste gas can seriously pollute the atmospheric environment and also seriously influence the physical health of people. Therefore, the China also puts out corresponding requirements and policies for treating the discharged waste gas.
Because a catalyst is needed in the process of waste gas treatment, harmful substances in waste gas react with the catalyst in a specific environment to obtain gas which can be directly discharged; the performance of the catalyst directly affects the quality of exhaust gas treatment, so that a small sample of the catalyst needs to be subjected to an aging test to judge the performance of the catalyst.
In the prior art, two ageing methods are adopted, one is light ageing, the other is heavy ageing, and the ageing is repeated for the light ageing after the ageing is carried out in a hydrothermal mode; however, when the catalyst is aged by the aging device in the prior art, the catalyst cannot be conveniently switched between mild aging and severe aging according to the needs of the aging degree, and the mixed gas for aging the catalyst is accurately proportioned.
Disclosure of Invention
The utility model provides a catalyst small sample sulfur aging device, which can switch the aging mode at any time according to the process requirement and can precisely control the proportion of mixed gas.
The technical scheme of the utility model is as follows: a catalyst sample sulfur ageing device. The device comprises a high-temperature test box, a first mixing box, a second mixing box, a water vaporization box, an air inlet pipeline and a sulfur gas tank, wherein the high-temperature test box is respectively connected with the first mixing box and the second mixing box, and two ends of the air inlet pipeline are respectively connected with the first mixing box and the second mixing box; the first mixing box is connected with the sulfur gas tank, and the second mixing box is connected with the water vaporization box;
the high-temperature test box comprises a stainless steel shell, a quartz plug, an aging platform, a heating pipe and an ultrafine glass insulating cotton layer, wherein the ultrafine glass insulating cotton layer covers the surface of the stainless steel shell, the stainless steel shell is of a torus structure, two ends of the stainless steel shell are respectively provided with an air inlet end and an air outlet end, the stainless steel shell and the quartz plug are matched to form an aging cavity, and a valve is further arranged on a pipeline connected with the quartz plug at the air outlet end of the stainless steel shell.
Furthermore, valves are arranged on pipelines connected between the first mixing box, the second mixing box and the high-temperature test box.
Further, a gas preheating box, a gas filtering box and a gas pump are sequentially arranged on the gas inlet pipe, and the gas preheating box is respectively connected with the first mixing box and the second mixing box.
Further, mass flow controllers are arranged between the sulfur gas tank and the first mixing box, and between the gas preheating box and the first mixing box and between the sulfur gas tank and the third mixing box.
Further, the second mixing box is further connected with a water vaporization box, and one end, far away from the second mixing box, of the water vaporization box is provided with a hydraulic control valve and a water inlet in sequence.
Furthermore, heating pipes are arranged on the inner walls of the first mixing box, the second mixing box, the gas preheating box and the high-temperature test box.
Furthermore, the pipeline of the high-temperature test box connected with the first mixing box and the second mixing box is covered with an ultrafine glass insulating cotton layer, and the pipeline of the gas preheating box connected with the first mixing box and the second mixing box is covered with an ultrafine glass insulating cotton layer.
The working principle and the beneficial effects of the utility model are as follows:
1. according to the utility model, various ageing modes are provided, and the ageing modes can be switched by opening and closing the valve in the pipeline, so that the ageing method is convenient and quick.
2. In the utility model, various accurate control valves are adopted, so that the mixed gas required by the aging process can be accurately configured.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the present embodiment;
FIG. 2 is a cross-sectional view of the high temperature test chamber in this embodiment;
fig. 3 is an enlarged view at a in fig. 1.
In the figure: 1. a stainless steel housing; 2. quartz plugs; 3. an ultrafine glass insulating cotton layer; 4. heating pipes; 5. an aging platform; 6. a first mixing tank; 7. a second mixing tank; 8. a mass flow controller; 9. a sulfur gas tank; 10. a gas preheating tank; 11. a gas filtration tank; 12. an air pump; 13. a water vaporization tank; 14. a hydraulic control valve; 15. a water inlet; 16. a valve; 17. high temperature test chamber.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill 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.
As shown in fig. 1 to 3, this embodiment proposes a catalyst small sample sulfur aging device, which includes a high temperature test chamber 17, a first mixing chamber 6, a second mixing chamber 7, a water vaporization chamber 13, an air inlet pipeline, a stainless steel housing 1, a quartz plug 2, a heating pipe 4, and an ultrafine glass insulating cotton layer 3.
In this embodiment, the stainless steel shell 1 is cylindrical, the two ends of the stainless steel shell 1 are respectively an air inlet end and an air outlet end, the air inlet end and the air outlet end of the stainless steel shell 1 are respectively provided with a quartz plug 2, the quartz plug 2 is nested with the air inlet end and the air outlet end of the stainless steel shell 1 to form a sealed aging cavity, the high-temperature test box 17 is ensured to have good heat preservation capability while being sealed, the aging platform 5 is positioned in the aging cavity and is fixed with the inner wall of the stainless steel shell 1, a heat preservation layer formed by an ultrafine glass insulating cotton layer 3 is arranged on the outer side of the stainless steel shell 1, and the ultrafine glass insulating cotton layer 3 is uniformly covered on the surface of the stainless steel shell 1 to play a role in strengthening heat preservation effect. The heating pipe 4 is also arranged in the cavity of the stainless steel shell 1 and is used for realizing the function of heating the high-temperature test chamber 17, and the valve 16 is arranged on the pipeline at the air outlet end of the stainless steel shell 1 and can control the air discharge of the high-temperature test chamber 17.
The air inlet end of the high-temperature test box 17 is connected with the first mixing box 6 and the second mixing box 7 through pipelines respectively, valves 16 are respectively arranged on the pipelines between the high-temperature test box 17 and the first mixing box 6 and the second mixing box 7, the valves 16 are used for switching different aging modes, the first mixing box 6 and the second mixing box 7 are used for fully mixing the gas which is collected in different pipelines, the air is uniformly mixed and then enters the high-temperature test box 17 under the control of the valves 16, heating pipes 4 are respectively arranged on the inner walls of the first mixing box 6 and the second mixing box 7, the medium temperature in the mixing boxes can be increased, the speed of accelerating gas mixing is improved, the effect of preheating the mixed gas is achieved, an air inlet pipeline is not arranged between the first mixing box 6 and the second mixing box 7, the gas preheating box 10, the gas filtering box 11 and the gas pump 12 are sequentially arranged on the air inlet pipeline, the air pump 11 is used for pumping air from the outside, the air pump 12 is used for fully mixing the pumped air, the air is filtered once by the gas filtering box 11, the pumped air is filtered once, the number of the filtered air is reduced, and the filter screen of the filter screen 11 is not needed to be filtered in the filter screen 100 is preferably selected. Air is pumped into the air filtering box 11 by the air pump 12 and then enters the air preheating box 10, and the air is primarily heated in the air preheating box 10, so that the basic temperature of the air is increased; there is also a mass flow controller 8 on the connecting pipe between the first mixing box 6, the second mixing box 7 and the gas preheating box 10, the mass flow controller 8 is arranged on the pipe near the gas preheating box 10, the mass flow controller 8 can accurately control the passing air quantity, the first mixing box 6 is also connected with the sulfur gas tank 9 through the pipe, the first mixing box 6 is also provided with the mass flow controller 8 on the pipe connected with the sulfur gas tank 9 for accurately controlling sulfur dioxide passing through the first mixing box 6.
In the embodiment, the pipeline of the high-temperature test box 17 connected with the first mixing box 6 and the second mixing box 7 is also covered with the superfine glass insulating cotton layer 3, the pipe warehouse of the gas preheating box 10 connected with the first mixing box 6 and the second mixing box 7 is also covered with the superfine glass insulating cotton layer 3, and the temperature of the heated gas in the pipeline transportation process is maintained by means of the superfine glass insulating cotton layer 3; the second mixing box 7 is also connected with the water vaporization box 13 through a pipeline, the water inflow is controlled between the water vaporization box 13 and the water inlet 15 through a hydraulic control valve 14, water enters the water vaporization box 13 from the water inlet 15 through the hydraulic control valve 14, and the water is converted from a liquid state to a vapor state in the water vaporization box 13 and then is introduced into the second mixing box 7.
In operation, the catalyst to be aged is placed on the aging platform 5, air is taken as an air source of the first mixing box 6 and the second mixing box 7 through the air inlet pipeline, if the catalyst with the aging degree not being particularly high is required, only slight aging is required, and 3 is carried out by the mass flow controller 8 between the first mixing box 6 and the sulfur gas tank 9 and the mass flow controller 8 between the first mixing box 6 and the air inlet branch: and 7, sulfur dioxide and an air pump 12 are fed into a first mixing box 6, after the sulfur dioxide and the air are uniformly mixed in the first mixing box 6 and are initially heated, a valve 16 between the first mixing box 6 and a high-temperature test box 17 is opened, the mixed gas enters an inner closed cavity of the stainless steel shell 1, and then a heating pipe 4 is opened for heating, so that a mild ageing test can be performed. When heavy ageing is required, the hydraulic control valve 14 is opened, water enters the water evaporation tank 13 from the water inlet 15 into the water evaporation tank 13, liquid water can be converted into water vapor through boiling or pressurization and the like, the water vapor enters the second mixing tank 7 from the water evaporation tank 13 after being converted into water vapor, the water vapor is mixed with air entering through an air inlet pipeline in the second mixing tank 7, and the water vapor enters the high-temperature test tank 17 through the valve 16 between the second mixing tank 7 and the high-temperature test tank 17 after being uniformly mixed, so that high-temperature distillation ageing is performed, and after a period of reaction, the water vapor is switched into a light ageing mode to be aged, so that a heavy ageing link can be completed.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. The catalyst sample sulfur ageing device is characterized by comprising a high-temperature test box (17), a first mixing box (6), a second mixing box (7), a water vaporization box (13), an air inlet pipeline and a sulfur gas tank (9), wherein the high-temperature test box (17) is respectively connected with the first mixing box (6) and the second mixing box (7), and two ends of the air inlet pipeline are respectively connected with the first mixing box (6) and the second mixing box (7); the first mixing box (6) is connected with the sulfur gas tank (9), and the second mixing box (7) is connected with the water evaporation box (13);
the high-temperature test box (17) comprises a stainless steel shell (1), a quartz plug (2), an aging platform (5) and an ultrafine glass insulating cotton layer (3), wherein the ultrafine glass insulating cotton layer (3) covers the surface of the stainless steel shell (1), the stainless steel shell (1) is of a ring body structure, two ends of the stainless steel shell (1) are respectively provided with an air inlet end and an air outlet end, the stainless steel shell (1) and the quartz plug (2) are matched to form an aging cavity, and a valve (16) is further arranged on a pipeline connected with the quartz plug (2) at the air outlet end of the stainless steel shell (1).
2. The catalyst sample sulfur aging device according to claim 1, wherein valves (16) are arranged on the pipelines connected between the first mixing box (6), the second mixing box (7) and the high-temperature test box (17).
3. The catalyst sample sulfur aging device according to claim 1, wherein a gas preheating tank (10), a gas filtering tank (11) and an air pump (12) are sequentially arranged on the gas inlet pipeline, and the gas preheating tank (10) is respectively connected with the first mixing tank (6) and the second mixing tank (7).
4. The catalyst sample sulfur aging device according to claim 1, wherein a mass flow controller (8) is arranged between the sulfur gas tank (9) and the first mixing tank (6) and between the gas preheating tank (10) and the first mixing tank (6) and the third mixing tank.
5. The catalyst sample sulfur aging device according to claim 1, wherein the second mixing box (7) is further connected with a water vaporization box (13), and a hydraulic control valve (14) and a water inlet (15) are sequentially arranged at one end of the water vaporization box away from the second mixing box (7).
6. The catalyst sample sulfur aging device according to claim 1, wherein heating pipes (4) are arranged on the inner walls of the first mixing box (6), the second mixing box (7), the gas preheating box (10) and the high-temperature test box (17).
7. A catalyst sample sulfur ageing device according to claim 3, wherein the pipeline of the high temperature test box (17) connected with the first mixing box (6) and the second mixing box (7) is covered with an ultrafine glass insulating cotton layer (3), and the pipeline of the gas preheating box (10) connected with the first mixing box (6) and the second mixing box (7) is covered with an ultrafine glass insulating cotton layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321145020.9U CN219758038U (en) | 2023-05-12 | 2023-05-12 | Catalyst hand sample sulphur ageing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321145020.9U CN219758038U (en) | 2023-05-12 | 2023-05-12 | Catalyst hand sample sulphur ageing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219758038U true CN219758038U (en) | 2023-09-26 |
Family
ID=88084744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321145020.9U Active CN219758038U (en) | 2023-05-12 | 2023-05-12 | Catalyst hand sample sulphur ageing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219758038U (en) |
-
2023
- 2023-05-12 CN CN202321145020.9U patent/CN219758038U/en active Active
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