CN215428069U - Tail gas trapping device - Google Patents
Tail gas trapping device Download PDFInfo
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- CN215428069U CN215428069U CN202121498080.XU CN202121498080U CN215428069U CN 215428069 U CN215428069 U CN 215428069U CN 202121498080 U CN202121498080 U CN 202121498080U CN 215428069 U CN215428069 U CN 215428069U
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- end enclosure
- tail gas
- tube
- cooling
- outlet
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Abstract
The utility model relates to a tail gas trapping device, which belongs to the technical field of fine chemical engineering and comprises a gas inlet, a cylinder, a cooling tube array, an upper tube plate, a refrigerant inlet, a gas outlet, an upper end enclosure, a lower tube plate, a cold tube end enclosure, a refrigerant outlet, a lower end enclosure and a condensate outlet; the air inlet is positioned at one side of the lower part of the cylinder body; the upper end of the cylinder body is connected with the upper end enclosure, and the lower end of the cylinder body is connected with the lower end enclosure; the cooling tube nest is located the middle part of barrel, and the upper end of cooling tube nest is connected with one side of last tube sheet, and the opposite side of going up the tube sheet is connected with the upper cover, and the lower extreme of cooling tube nest is connected with one side of tube sheet down. According to the tail gas trapping device, the recovery of volatile organic compounds in the tail gas is realized by optimizing equipment, and the tail gas treatment cost is reduced.
Description
Technical Field
The utility model relates to a tail gas trapping device, and belongs to the technical field of fine chemical engineering.
Background
In the field of fine chemical production, there are many rectification systems, each of which involves the discharge of tail gas. The tail gas contains a large amount of volatile organic compounds, and the tail gas is directly discharged to the atmosphere, so that the environment is greatly polluted, and therefore, the tail gas is required to be treated by tail gas treatment equipment, and the tail gas can be discharged after reaching the standard.
However, the existing tail gas treatment equipment has large workload and low material recovery rate.
Therefore, the tail gas trapping device is provided, before tail gas enters the tail gas treatment equipment, volatile organic compounds in the tail gas are recovered, so that the workload of the tail gas treatment equipment is reduced, the material recovery rate is improved, and the technical problem which needs to be solved urgently in the technical field is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tail gas collecting device, which is used for recovering volatile organic compounds in tail gas before the tail gas enters tail gas treatment equipment, so that the workload of the tail gas treatment equipment is reduced, and the material recovery rate is improved.
The above object of the present invention is achieved by the following technical solutions:
an exhaust gas capture device comprising: the cooling device comprises an air inlet, a cylinder, a cooling tube array, an upper tube plate, a refrigerant inlet, an air outlet, an upper end enclosure, a lower tube plate, a cold tube end enclosure, a refrigerant outlet, a lower end enclosure and a condensate outlet; the air inlet is positioned at one side of the lower part of the cylinder body; the upper end of the cylinder body is connected with the upper end enclosure, and the lower end of the cylinder body is connected with the lower end enclosure; the upper end of the cooling tube array is connected with one side of the upper tube plate, the other side of the upper tube plate is connected with the upper end enclosure, and the lower end of the cooling tube array is connected with one side of the lower tube plate; the refrigerant inlet is positioned on one side of the top of the upper end enclosure and is respectively connected with the refrigerant system and the upper end enclosure through pipelines; the air outlet is positioned at the top of the upper end enclosure and is respectively connected with the upper end enclosure and the upper pipe plate; one side of the lower tube plate is connected with the cooling tube array, and the other side of the lower tube plate is connected with the cold tube end enclosure; one end of the refrigerant outlet is connected with the cold pipe end socket, and the other end of the refrigerant outlet is fixed on the cylinder; the condensate outlet is positioned at the bottom of the lower end enclosure.
Preferably, the cooling tubes are circular.
Preferably, the cooling tube array is provided with 2-10 rows of tubes arranged in concentric circles.
Preferably, the cooling tube array is provided with 5 rows of tubes arranged in concentric circles.
Has the advantages that:
according to the tail gas trapping device, before the tail gas enters the tail gas treatment equipment, the volatile organic compounds in the tail gas are recovered, so that the workload of the tail gas treatment equipment is reduced, and the material recovery rate is improved.
The utility model is further illustrated by the following figures and detailed description of the utility model, which are not meant to limit the scope of the utility model.
Drawings
Fig. 1 is a schematic cross-sectional view of an exhaust gas trap according to embodiment 1 of the present invention.
Fig. 2 is a schematic sectional view in the direction a-a of the exhaust gas trap according to embodiment 1 of the present invention.
Names of main parts:
1 air inlet 2 cylinder
3 cooling tube array 4 upper tube plate
5 refrigerant inlet 6 air outlet
7 upper end enclosure and 8 lower tube plate
9 cold pipe end socket 10 refrigerant outlet
11 lower end enclosure 12 condensate outlet
Detailed Description
The present invention may be practiced, but is not limited to, in the following examples which are intended to be illustrative of the practice of the utility model, and are not intended to limit the scope of the utility model in any way, and in the following examples various procedures and methods which are not described in detail are conventional and well known in the art.
Example 1
Fig. 1 is a schematic cross-sectional view of an exhaust gas trap according to embodiment 1 of the present invention; FIG. 2 is a schematic cross-sectional view taken along the direction A-A of an exhaust gas trap according to embodiment 1 of the present invention; the cooling device comprises a shell, a cooling pipe array, a cooling medium inlet, a cooling medium outlet, a cooling medium inlet, a cooling medium outlet, a cooling medium inlet, a cooling medium outlet, a cooling pipe, a cooling medium outlet, a cooling pipe, a; the exhaust gas trap of embodiment 1 of the present invention includes: the cooling device comprises a gas inlet 1, a cylinder 2, a cooling tube array 3, an upper tube plate 4, a refrigerant inlet 5, a gas outlet 6, an upper seal head 7, a lower tube plate 8, a cold tube seal head 9, a refrigerant outlet 10, a lower seal head 11 and a condensate outlet 12; the air inlet 1 is positioned at one side of the lower part of the cylinder body 2; the upper end of the cylinder body 2 is connected with the upper end enclosure 7, and the lower end of the cylinder body 2 is connected with the lower end enclosure 11; the cooling tube array 3 is positioned in the middle of the barrel 2, the upper end of the cooling tube array 3 is connected with one side of the upper tube plate 4, the other side of the upper tube plate 4 is connected with the upper end enclosure 7, and the lower end of the cooling tube array 3 is connected with one side of the lower tube plate 8; the refrigerant inlet 5 is positioned on one side of the top of the upper end enclosure 7 and is respectively connected with the refrigerant system and the upper end enclosure 7 through pipelines; the air outlet 6 is positioned at the top of the upper end enclosure 7 and is respectively connected with the upper end enclosure 7 and the upper tube plate 4; one side of the lower tube plate 8 is connected with the cooling tube array 3, and the other side is connected with the cold tube end enclosure 9; one end of the refrigerant outlet 10 is connected with the cold pipe end enclosure 9, and the other end is fixed on the cylinder 2; the condensate outlet 12 is positioned at the bottom of the lower end enclosure 11; in the tail gas catcher, the cooling tube array 3 is circular, and five rows of tubes which are arranged in a concentric circle are arranged on the cooling tube array.
The working principle of the tail gas catcher of the utility model is as follows:
the tail gas catcher of the utility model adopts a method of catching and cooling a refrigerant to condense part of volatile organic compounds in the tail gas, thereby reducing the content of the volatile organic compounds in the tail gas; the inside cooling tube nest 3 that establishes of equipment, the inside refrigerant that lets in of cooling tube nest 3, exit do respectively: a refrigerant inlet 5 and a refrigerant outlet 10; after entering the cylinder 2, the tail gas contacts with the outer wall of the cooling tube array 3, part of volatile organic compounds in the tail gas are condensed and discharged through a condensate outlet 12;
firstly, tail gas enters the lower part of a cylinder body 2 through an air inlet 1, flows upwards in the cylinder body 2 and contacts with the outer wall of a cooling tube array 3, a refrigerant is introduced into the cooling tube array 3 to condense part of volatile organic compounds in the tail gas, the condensed liquid is discharged through a condensed liquid outlet 12, and a condensed gas outlet 6 is discharged to enter the subsequent tail gas treatment.
The tail gas catcher is suitable for recovering volatile organic compounds in the tail gas of the rectification system and is arranged behind a condenser at the top of the rectification system.
According to the tail gas trap disclosed by the utility model, the recovery of volatile organic compounds in the tail gas is realized by optimizing the equipment, and the tail gas treatment cost is reduced.
Claims (4)
1. An exhaust gas collection device, characterized in that: the cooling device comprises an air inlet, a cylinder, a cooling tube array, an upper tube plate, a refrigerant inlet, an air outlet, an upper end enclosure, a lower tube plate, a cold tube end enclosure, a refrigerant outlet, a lower end enclosure and a condensate outlet; the air inlet is positioned at one side of the lower part of the cylinder body; the upper end of the cylinder body is connected with the upper end enclosure, and the lower end of the cylinder body is connected with the lower end enclosure; the upper end of the cooling tube array is connected with one side of the upper tube plate, the other side of the upper tube plate is connected with the upper end enclosure, and the lower end of the cooling tube array is connected with one side of the lower tube plate; the refrigerant inlet is positioned on one side of the top of the upper end enclosure and is respectively connected with the refrigerant system and the upper end enclosure through pipelines; the air outlet is positioned at the top of the upper end enclosure and is respectively connected with the upper end enclosure and the upper pipe plate; one side of the lower tube plate is connected with the cooling tube array, and the other side of the lower tube plate is connected with the cold tube end enclosure; one end of the refrigerant outlet is connected with the cold pipe end socket, and the other end of the refrigerant outlet is fixed on the cylinder; the condensate outlet is positioned at the bottom of the lower end enclosure.
2. The exhaust gas capture device of claim 1, wherein: the cooling tubes are circular.
3. The exhaust gas capture device of claim 2, wherein: the cooling tube array is provided with 2-10 rows of tubes arranged in concentric circles.
4. The exhaust gas capture device of claim 2, wherein: the cooling tube array is provided with 5 rows of tube arrays which are arranged in a concentric circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121498080.XU CN215428069U (en) | 2021-07-01 | 2021-07-01 | Tail gas trapping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121498080.XU CN215428069U (en) | 2021-07-01 | 2021-07-01 | Tail gas trapping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215428069U true CN215428069U (en) | 2022-01-07 |
Family
ID=79714671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121498080.XU Active CN215428069U (en) | 2021-07-01 | 2021-07-01 | Tail gas trapping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215428069U (en) |
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2021
- 2021-07-01 CN CN202121498080.XU patent/CN215428069U/en active Active
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220214 Address after: 024000 east side of Sanjing Road, Chifeng resource-based city economic transformation and development pilot zone, Yuanbaoshan District, Chifeng City, Inner Mongolia Autonomous Region Patentee after: Lian long (Inner Mongolia) new material Co.,Ltd. Patentee after: Tianjin Lianlong New Material Co., Ltd Address before: 050000 7-1-704, Shanshui County, Tan Gu East Street, Yuhua District, Shijiazhuang City, Hebei Province Patentee before: Cheng Xianmin |