CN215842088U - Ethylene oxide device and fine chemicals device tail gas treatment system - Google Patents
Ethylene oxide device and fine chemicals device tail gas treatment system Download PDFInfo
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- CN215842088U CN215842088U CN202121396196.2U CN202121396196U CN215842088U CN 215842088 U CN215842088 U CN 215842088U CN 202121396196 U CN202121396196 U CN 202121396196U CN 215842088 U CN215842088 U CN 215842088U
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- filter
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Abstract
The utility model discloses an ethylene oxide device and a fine chemical device tail gas treatment system, which relate to the field of tail gas purification and comprise a filter, wherein the filter comprises a shell, a filtering device and an adjusting device; the filter device is arranged in the shell, and the adjusting device is movably arranged in the filter device up and down; the filtering device comprises a filter screen frame and a sealing ring; the sealing ring is fixed at the opening at the bottom of the filter screen frame, and the filter screen frame is arranged inside the shell; the adjusting device comprises an air guide pipeline, a bearing rod and a sealing plate, wherein the air guide pipeline is movably connected inside the sealing ring from top to bottom. According to the utility model, the filter holes of the filter screen frame are cleaned through the difference of the air pressure inside and outside the filter screen frame, so that the influence of the blockage of the filter holes on the transportation of tail gas is avoided, and the air pressure inside and outside the filter screen frame is adjusted through the sealing and opening of the air guide pipeline.
Description
Technical Field
The utility model relates to the field of tail gas purification, in particular to an ethylene oxide device and a tail gas treatment system of a fine chemical device.
Background
At present, tail gas of an ethylene oxide device and tail gas of a fine chemicals department production device are discharged through pipelines, wherein main pollutants of the tail gas of the ethylene oxide device are ethylene and non-methane total hydrocarbons, and the rest components are carbon dioxide; the main pollutants in the tail gas of the fine chemical device are ethylene oxide and non-methane total hydrocarbons, and the rest components are nitrogen and water. However, when the exhaust gas is filtered for a long time, the filter screen is easily blocked, which affects the purification of the exhaust gas.
Therefore, it is necessary to invent an ethylene oxide plant and a fine chemical plant tail gas treatment system to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an ethylene oxide device and a tail gas treatment system of a fine chemical device, which aim to solve the problems that the purification of tail gas is influenced because a filter screen is easily blocked when the tail gas is filtered for a long time in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: an ethylene oxide device and fine chemicals device tail gas treatment system comprises a filter, wherein the filter comprises a shell, a filtering device and a regulating device;
the filter device is arranged in the shell, and the adjusting device is movably arranged in the filter device up and down;
the filtering device comprises a filter screen frame and a sealing ring;
the sealing ring is fixed at the opening at the bottom of the filter screen frame, and the filter screen frame is arranged inside the shell;
the adjusting device comprises an air guide pipeline, a bearing rod and a sealing plate;
the air guide pipeline is movably connected inside the sealing ring up and down, the top and the bottom of the bearing rod are respectively fixed with the sealing plate and the air guide pipeline, and the sealing plate is movably sealed inside the filter screen frame up and down.
Optionally, the strainer holder includes a filtering portion and a solid portion;
the solid part is fixed above the filtering part, and the filtering part is fixed with the sealing ring.
Optionally, the filter device further comprises a filter plate;
the filter plate is fixed on the outer side of the solid part, and the outer side of the filter plate is fixed with the inside of the shell.
Optionally, the adjusting device further comprises an upper sealing member fixed on the top of the sealing plate and extending above the strainer tray.
Optionally, the lower part of the air guide pipeline is provided with a plurality of vent holes, and the vent holes are distributed in an annular array.
Optionally, the housing includes a casing, a top cover, an exhaust pipe and an air inlet pipe;
the top cover is fixed on the top of the shell, the exhaust pipe is fixed on the top cover and extends into the upper sealing element, and the air inlet pipe is fixed at the bottom of the shell and is sleeved with the air guide pipeline.
Optionally, the bottom of the filter is connected to a gas compressor through a pipeline, and an air inlet of the gas compressor is provided with a shutoff valve.
The utility model has the technical effects and advantages that:
1. according to the utility model, the filter holes of the filter screen frame are cleaned through the difference of the air pressure inside and outside the filter screen frame, so that the influence of the blockage of the filter holes on the transportation of tail gas is avoided, and the air pressure inside and outside the filter screen frame is adjusted through the sealing and opening of the air guide pipeline.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the filter of the present invention in normal operation;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the internal structure of the filter plug of the present invention.
In the figure: 1. a filter; 21. a filtering part; 22. a solid portion; 23. a filter plate; 24. a seal ring; 31. A sealing plate; 32. an upper seal member; 33. a bearing rod; 34. an air guide duct; 341. a vent hole; 11. a housing; 12. a top cover; 13. an exhaust pipe; 14. entering an air pipe; 4. a gas compressor; 5. a shut-off valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides an ethylene oxide device and fine chemical device tail gas treatment system as shown in figures 1-4, which comprises a filter 1, wherein the filter 1 comprises a shell, a filtering device and an adjusting device;
the filter device is arranged in the shell, the adjusting device is movably arranged in the filter device up and down, the bottom of the filter 1 is connected with a gas compressor 4 through a pipeline, and an air inlet of the gas compressor 4 is provided with a shutoff valve 5.
This practical theory of operation: when in use, the cut-off valve 5 is opened, the tail gas is compressed by the gas compressor 4 and then enters the filter 1 through the pipeline for filtering.
In some embodiments of the present invention, the housing includes a housing 11, a top cover 12, an exhaust pipe 13, and an intake pipe 14;
In some embodiments of the utility model, the filter device comprises a screen frame, a sealing ring 24 and a filter plate 23;
the filter screen frame comprises a filter part 21 and an entity part 22;
the solid part 22 is fixed above the filtering part 21, the filtering part 21 is fixed with the sealing ring 24, the filtering part 21 is used for filtering the tail gas, and the solid part 22 is used for realizing the space division;
In some embodiments of the present invention, the adjusting means comprises an air guide duct 34, a bell bar 33, an upper sealing member 32, and a sealing plate 31;
When gas enters through the gas inlet pipe 14, the gas is guided into the inside of the filter screen frame through the vent holes 341, then is filtered through the filter part 21 and then is discharged through the exhaust pipe 13, after the filter part 21 is blocked, the sealing plate 31 is pushed to ascend along with the increase of tail gas inside the filter part 21, when the sealing plate 31 ascends, the upper sealing element 32 and the gas guide pipe 34 are driven to ascend, the gas guide pipe 34 ascends, the gas inlet pipe 14 is pushed into the inside of the sealing ring 24 to block the vent holes 341, the upper sealing element 32 ascends to be sleeved on the exhaust pipe 13 to seal the exhaust pipe 13, because the bottom of the gas guide pipe 34 is solid, the tail gas is accumulated on the outer surface of the filter part 21, the gas pressure outside the filter part 21 is increased, when the gas pressure on the outer surface of the filter part 21 is larger than the gas pressure inside the filter part 21, the tail gas enters the vent holes 341 through the filter holes, self-cleaning is realized, and when the internal and external gas pressures are balanced, the upper sealing element 32 and the gas guide pipe 34 descend to work normally, the working space of the sealing plate 31 is communicated with the outer space of the filter part 21.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides an ethylene oxide device and meticulous chemical device tail gas treatment system, includes filter (1), its characterized in that: the filter (1) comprises a shell, a filtering device and a regulating device;
the filter device is arranged in the shell, and the adjusting device is movably arranged in the filter device up and down;
the filtering device comprises a filter screen frame and a sealing ring (24);
the sealing ring (24) is fixed at the bottom opening of the filter screen frame, and the filter screen frame is arranged inside the shell;
the adjusting device comprises an air guide pipeline (34), a bearing rod (33) and a sealing plate (31);
the air guide pipeline (34) is movably connected inside the sealing ring (24) up and down, the top and the bottom of the bearing rod (33) are respectively fixed with the sealing plate (31) and the air guide pipeline (34), and the sealing plate (31) is movably sealed inside the filter screen frame up and down.
2. The system for treating the tail gas of the ethylene oxide device and the fine chemical device according to claim 1, wherein the system comprises:
the filter screen frame comprises a filter part (21) and an entity part (22);
the solid part (22) is fixed above the filtering part (21), and the filtering part (21) is fixed with the sealing ring (24).
3. The system for treating the tail gas of the ethylene oxide device and the fine chemical device according to claim 1, wherein the system comprises:
the filter device further comprises a filter plate (23);
the filter plate (23) is fixed on the outer side of the solid part (22), and the outer side of the filter plate (23) is fixed with the inside of the shell.
4. The system for treating the tail gas of the ethylene oxide device and the fine chemical device according to claim 1, wherein the system comprises:
the adjusting device also comprises an upper sealing element (32), and the upper sealing element (32) is fixed on the top of the sealing plate (31) and extends to the upper part of the filter screen frame.
5. The system for treating the tail gas of the ethylene oxide device and the fine chemical device according to claim 1, wherein the system comprises:
the lower part of the air guide pipeline (34) is provided with a plurality of vent holes (341), and the vent holes (341) are distributed in an annular array.
6. The system for treating the tail gas of the ethylene oxide device and the fine chemical device according to claim 1, wherein the system comprises:
the shell comprises a shell (11), a top cover (12), an exhaust pipe (13) and an air inlet pipe (14);
the top cover (12) is fixed on the top of the shell (11), the exhaust pipe (13) is fixed on the top cover (12) and extends into the upper sealing element (32), and the air inlet pipe (14) is fixed on the bottom of the shell (11) and is sleeved with the air guide pipeline (34).
7. The system for treating the tail gas of the ethylene oxide device and the fine chemical device according to claim 1, wherein the system comprises:
the bottom of the filter (1) is connected with a gas compressor (4) through a pipeline, and a shutoff valve (5) is arranged at a gas inlet of the gas compressor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121396196.2U CN215842088U (en) | 2021-06-23 | 2021-06-23 | Ethylene oxide device and fine chemicals device tail gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121396196.2U CN215842088U (en) | 2021-06-23 | 2021-06-23 | Ethylene oxide device and fine chemicals device tail gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215842088U true CN215842088U (en) | 2022-02-18 |
Family
ID=80335126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121396196.2U Active CN215842088U (en) | 2021-06-23 | 2021-06-23 | Ethylene oxide device and fine chemicals device tail gas treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215842088U (en) |
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2021
- 2021-06-23 CN CN202121396196.2U patent/CN215842088U/en active Active
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Address after: 9th Floor, Building 3, Zone 6, No. 188 South Fourth Ring West Road, Fengtai District, Beijing, 100070 Patentee after: Beijing Guolian video information technology Co.,Ltd. Address before: Room 703, building 1, No. 1, Shangdi Information Road, Haidian District, Beijing 100089 Patentee before: Beijing Guolian video information technology Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |