CN219764975U - Tail gas treatment device - Google Patents
Tail gas treatment device Download PDFInfo
- Publication number
- CN219764975U CN219764975U CN202321113331.7U CN202321113331U CN219764975U CN 219764975 U CN219764975 U CN 219764975U CN 202321113331 U CN202321113331 U CN 202321113331U CN 219764975 U CN219764975 U CN 219764975U
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- CN
- China
- Prior art keywords
- spray
- liquid
- shell
- gas treatment
- casing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000007788 liquid Substances 0.000 claims abstract description 87
- 239000007921 spray Substances 0.000 claims abstract description 72
- 238000005192 partition Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000000630 rising effect Effects 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 39
- 238000005507 spraying Methods 0.000 description 17
- 239000002826 coolant Substances 0.000 description 10
- 238000012856 packing Methods 0.000 description 6
- 238000006386 neutralization reaction Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- NOOLISFMXDJSKH-KXUCPTDWSA-N (-)-Menthol Chemical group CC(C)[C@@H]1CC[C@@H](C)C[C@H]1O NOOLISFMXDJSKH-KXUCPTDWSA-N 0.000 description 2
- NOOLISFMXDJSKH-UHFFFAOYSA-N DL-menthol Natural products CC(C)C1CCC(C)CC1O NOOLISFMXDJSKH-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 235000010265 sodium sulphite Nutrition 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 229940041616 menthol Drugs 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model relates to the technical field of tail gas treatment equipment, in particular to a tail gas treatment device; including the casing, be provided with spray set, liquid collection device, baffle and circulation tank from last to down in the casing, the top of casing is the gas vent, and the well lower part of casing outer fringe still is provided with the pipeline with the inside intercommunication of casing, the bottom is provided with the air inlet, and the upper portion of casing still is provided with the liquid pipeline of connecting spray set, spray set passes through the support to be fixed on shells inner wall upper portion, and spray set's lower extreme equidistance is provided with the baffle, be provided with the liquid collection device with the casing rigid coupling between the baffle, circulation tank sets up on the inside bottom surface of casing. According to the tail gas treatment device, the spray liquid falling from the upper layer is collected again through the liquid collection device and then uniformly and downwards dispersed again, so that the spray liquid at the lower layer is uniformly distributed, the phenomenon of wall flow of the spray liquid can be effectively avoided, and the tail gas treatment effect is improved.
Description
Technical Field
The utility model relates to the technical field of tail gas treatment equipment, in particular to a tail gas treatment device.
Background
The cooling agent is the general name of all chemical substances which can generate cooling effect and have weak drug property. The most common cooling agent is menthol (especially l-menthol), but is not suitable for use in large amounts due to its strong smell and strong irritation to skin, mucosal tissue and eyes. Therefore, a plurality of scientists synthesize and extract a new generation of cooling agent; the main components of the tail gas of the cooling agent WS-3 acyl chlorination reaction are hydrogen chloride and sulfur dioxide, the tail gas containing hydrogen chloride is absorbed by water to obtain byproduct hydrochloric acid, the hydrolysis reaction of the cooling agent WS-3 is used as a raw material, the tail gas containing sulfur dioxide of the cooling agent WS-3 acyl chlorination reaction is absorbed by sodium hydroxide to obtain byproduct sodium sulfite, and the byproduct sodium sulfite is dried to be sold as a product, so that the purpose of comprehensively utilizing waste gas can be achieved.
The existing tail gas treatment equipment generally adopts spray liquid to neutralize and absorb acidic or alkaline gas, the gas is fed from the bottom and flows upwards, the spray liquid flows reversely, so that the gas is subjected to reaction treatment after liquid-tight contact, but the spray liquid can generate wall flow phenomenon when flowing downwards, so that the spray liquid on the lower layer is unevenly distributed, and the neutralization and absorption effects are affected.
Disclosure of Invention
The purpose of the utility model is that: the utility model provides a tail gas treatment device, through liquid collection device with the spray liquid that falls down in upper strata again after collecting again, evenly downwards disperse again, make the spray liquid of lower floor equally keep evenly distributed form, can effectively avoid the emergence of spray liquid wall flow phenomenon, improve tail gas treatment effect.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a tail gas treatment device, includes the casing, is provided with spray set, liquid collection device, baffle and circulation tank from last to down in the casing, the top of casing is the gas vent, is connected outside exhaust with outside air extraction equipment, and the well lower part of casing outer fringe still is provided with the pipeline with the inside intercommunication of casing, the bottom is provided with the air inlet, and the upper portion of casing still is provided with the liquid pipeline of connecting spray set, and wherein liquid pipeline is connected with outside water pump and liquid tank, spray set passes through the support to be fixed on shells inner wall upper portion, and spray set's lower extreme equidistance is provided with the baffle, be provided with the liquid collection device with the casing rigid coupling between the baffle, circulation tank sets up on the inside bottom surface of casing.
Further, spray set includes main spray tube, spray frame, shower head and nozzle, and main spray tube is connected with liquid pipeline, and spray frame is H shape structure and adopts the pipeline to make, and junction and main spray tube intercommunication in the middle spray frame lower extreme four corners department installs vertical shower head, and screwed connection has the nozzle on the shower head.
Further, the liquid collection device comprises a bottom plate, the outline of the bottom plate is fixed on the inner wall of the shell, liquid distribution holes and air lifting holes are formed in the bottom plate, an air lifting groove vertically fixed on the bottom plate is connected to the air lifting holes, a diversion trench is arranged in the air lifting groove, the top end of the diversion trench is connected with a horizontal liquid collecting plate, and a supporting plate is further connected between every two adjacent air lifting grooves.
Further, the baffle is the orifice plate, and the baffle is circular fixed on shells inner wall, and the circumference is provided with a plurality of through-holes on the baffle.
Further, the upper end of the diversion trench is parallel to the air rising trench, the lower end of the diversion trench extends out of the bottom plate, the diversion trench is L-shaped, and the opening is fixed on the inner wall of the air rising trench.
Further, the bottom surface of the shell is also provided with reinforcing ribs.
The beneficial effects of the utility model are as follows: 1) The tail gas generated by manufacturing the cooling agent is led into the shell through the air inlet at the bottom, the air outlet at the top is used for exhausting air outwards, spraying liquid is sprayed downwards from the upper end in the shell through the spraying device, the liquid scattered above is collected and uniformly dispersed downwards by the liquid collecting device below the spraying device, the liquid is fully contacted and reacted with the tail gas in the process, the neutralization, the absorption and the elimination of non-toxic gas are facilitated, the plurality of partition plates are arranged in the shell, the liquid collecting devices are arranged between the adjacent partition plates, the phenomenon of wall flow after the liquid is sprayed can be avoided to the greatest extent, the gas and the jet liquid are not fully and uniformly reacted, and the cooling agent cooling device is simple in structure and convenient to use.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a left side view of the present utility model.
Fig. 3 is a cross-sectional view taken along the direction a of fig. 1.
Fig. 4 is a cross-sectional view in the B direction of fig. 2.
In the figure: 1. a housing; 2. a spraying device; 3. a liquid collection device; 4. a partition plate; 5. a circulation water tank; 6. an exhaust port; 7. a pipe; 8. an air inlet; 9. a bracket; 21. a main spray pipe; 22. a spray rack; 23. a spray header; 24. a nozzle; 31. a bottom plate; 32. a liquid distribution hole; 33. an ascending air hole; 34. an air lifting groove; 35. a diversion trench; 36. a liquid collecting plate; 37. a support plate; 41. and a through hole.
Detailed Description
The utility model is further illustrated by the following description in conjunction with the accompanying drawings and specific embodiments.
Examples: as shown in the figure, the tail gas treatment device comprises a shell 1, wherein a spray device 2, a liquid collecting device 3, a partition plate 4 and a circulating water tank 5 are arranged in the shell 1 from top to bottom, the top end of the shell 1 is provided with an exhaust port 6, the tail gas treatment device is connected with external air extraction equipment to exhaust outwards, a pipeline 7 communicated with the interior of the shell 1 is further arranged at the middle lower part of the outer edge of the shell 1, an air inlet 8 is arranged at the bottom of the tail gas treatment device, a liquid pipeline connected with the spray device 2 is further arranged at the upper part of the shell 1, the liquid pipeline is connected with an external water pump and the liquid tank, the spray device 2 is fixed at the upper part of the inner wall of the shell 1 through a bracket 9, the partition plates 4 are arranged at equal intervals at the lower end of the spray device 2, the liquid collecting device 3 fixedly connected with the shell 1 is arranged between the partition plates 4, and the circulating water tank 5 is arranged on the bottom surface inside the shell 1; the shell 1 is a tank structure, the upper end is of an inclined structure, the center of the top end is provided with an exhaust port 6, the exhaust port 6 is connected with an external exhaust fan and an exhaust pipeline 7, so that the inside of the shell 1 is in negative pressure, gas enters the shell 1 from an inlet at the bottom of the shell 1 and then flows upwards from below, the gas sequentially passes through the partition plate 4, the liquid collecting device 3 and the spraying device 2, spraying liquid is sprayed downwards in the spraying device 2 while the gas flows, the spraying liquid adopts liquid capable of neutralizing and absorbing the gas, is generally acidic, the liquid collecting device 3 and the partition plate 4 sequentially pass through the liquid when the spraying liquid falls, the packing is stacked on the partition plate 4 when the liquid passes through the liquid collecting device 3, the spraying liquid can be collected intensively and uniformly spread again, the spraying liquid falls again to contact the packing, and flows downwards along the packing surface, the gas is fed from the bottom of the tower, the gas flows and then continuously passes through gaps of the packing layer in a countercurrent mode, the gas and the liquid is closely contacted with the two phases of the gas to perform reaction neutralization, and meanwhile pollutants in the gas can be conveyed to the liquid, and then the clean gas and the polluted liquid are separated, so that the purpose of purifying is achieved.
The spray device 2 comprises a main spray pipe 21, a spray frame 22, a spray header 23 and a spray nozzle 24, wherein the main spray pipe 21 is connected with a liquid pipeline, the spray frame 22 is of an H-shaped structure and is made of a pipeline 7, the joint between the spray frame and the main spray pipe 21 is communicated, the vertical spray header 23 is installed at four corners of the lower end of the spray frame 22, the spray header 23 is spirally connected with the spray nozzle 24, the spray frame 22 is installed at the top inside the shell 1, spray liquid is conveyed into the spray frame 22 through an external liquid tank and a water pump, so that the spray liquid can be sprayed out from a spray head, the spray nozzle 24 is further spirally connected at the lower end of the spray head, atomized liquid drops can be formed after passing through the spray head, the contact area between the spray liquid and gas is increased, and the spray device is convenient for full reaction absorption neutralization.
The liquid collection device 3 comprises a bottom plate 31, the outer outline of the bottom plate 31 is fixed on the inner wall of the shell 1, a liquid distribution hole 32 and an air lifting hole 33 are formed in the bottom plate 31, an air lifting groove 34 vertically fixed on the bottom plate 31 is connected to the air lifting hole 33, a flow guide groove 35 is arranged in the air lifting groove 34, the top end of the flow guide groove 35 is connected with a horizontal liquid collecting plate 36, a supporting plate 37 is further connected between adjacent air lifting grooves 34, stacked spraying liquid on the bottom plate 31 is discharged downwards through the liquid distribution hole 32, gas below the liquid collecting plate can smoothly flow upwards through the air lifting hole 33, the contact area of the spraying liquid of the gas can be increased through the air lifting groove 34 arranged in the air lifting hole 33, meanwhile, the liquid collecting plate 36 is arranged at the top end of the air lifting groove 34, and the upward gas can be uniformly distributed on the cross section of the shell 1 through the V-shaped structure of the liquid collecting plate 36, the contact area of the spraying liquid is increased, and the purification efficiency is improved.
The baffle 4 is the orifice plate, and baffle 4 is circular to be fixed on casing 1 inner wall, and the circumference is provided with a plurality of through-holes 41 on the baffle 4, passes through-hole 41 and transmits spray liquid and gas, and the size of through-hole 41 is less than the size of packing simultaneously, is convenient for keep the normal exchange of liquid and gas when stacking the packing on through-hole 41.
The upper end of the diversion trench 35 is flush with the air-lifting trench 34, the lower end extends out of the bottom plate 31, the diversion trench 35 is L-shaped, and the opening is fixed on the inner wall of the air-lifting trench 34.
The bottom surface of the shell 1 is also provided with reinforcing ribs, so that the structural strength and the service life of the shell 1 are improved conveniently.
The tail gas generated by manufacturing the cooling agent is led into the shell through the air inlet at the bottom, the air outlet at the top is used for exhausting air outwards, spraying liquid is sprayed downwards from the upper end in the shell through the spraying device, the liquid scattered above is collected and uniformly dispersed downwards by the liquid collecting device below the spraying device, the liquid is fully contacted and reacted with the tail gas in the process, the neutralization, the absorption and the elimination of non-toxic gas are facilitated, the plurality of partition plates are arranged in the shell, the liquid collecting devices are arranged between the adjacent partition plates, the phenomenon of wall flow after the liquid is sprayed can be avoided to the greatest extent, the gas and the jet liquid are not fully and uniformly reacted, and the cooling agent cooling device is simple in structure and convenient to use.
The foregoing is merely illustrative of the present utility model and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present utility model.
Claims (6)
1. An exhaust gas treatment device, characterized in that: the device comprises a shell, wherein a spray device, a liquid collecting device, a partition plate and a circulating water tank are arranged in the shell from top to bottom, the top end of the shell is an exhaust port and is connected with external air extraction equipment to exhaust outwards, a pipeline communicated with the inside of the shell is further arranged at the middle lower part of the outer edge of the shell, an air inlet is formed in the bottom of the shell, a liquid pipeline connected with the spray device is further arranged at the upper part of the shell, the liquid pipeline is connected with an external water pump and the liquid tank, the spray device is fixed on the upper part of the inner wall of the shell through a bracket, the partition plates are arranged at the lower end of the spray device at equal intervals, the liquid collecting device fixedly connected with the shell is arranged between the partition plates, and the circulating water tank is arranged on the bottom surface inside the shell.
2. An exhaust gas treatment device according to claim 1, wherein: the spray device comprises a main spray pipe, a spray frame, spray heads and spray nozzles, wherein the main spray pipe is connected with a liquid pipeline, the spray frame is of an H-shaped structure and is made of a pipeline, the middle connecting part is communicated with the main spray pipe, the four corners of the lower end of the spray frame are provided with the vertical spray heads, and the spray heads are spirally connected with the spray nozzles.
3. An exhaust gas treatment device according to claim 1, wherein: the liquid collecting device comprises a bottom plate, the outline of the bottom plate is fixed on the inner wall of the shell, liquid distribution holes and air lifting holes are formed in the bottom plate, an air lifting groove vertically fixed on the bottom plate is connected to the air lifting holes, a diversion groove is formed in the air lifting groove, the top end of the diversion groove is connected with a horizontal liquid collecting plate, and a supporting plate is further connected between every two adjacent air lifting grooves.
4. An exhaust gas treatment device according to claim 1, wherein: the baffle is the orifice plate, and the baffle is circular fixed on shells inner wall, and the circumference is provided with a plurality of through-holes on the baffle.
5. A tail gas treatment device according to claim 3, wherein: the upper end of the diversion trench is parallel to the air rising trench, the lower end of the diversion trench extends out of the bottom plate, the diversion trench is L-shaped, and the opening is fixed on the inner wall of the air rising trench.
6. An exhaust gas treatment device according to claim 1, wherein: the bottom surface of the shell is also provided with reinforcing ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321113331.7U CN219764975U (en) | 2023-05-10 | 2023-05-10 | Tail gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321113331.7U CN219764975U (en) | 2023-05-10 | 2023-05-10 | Tail gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219764975U true CN219764975U (en) | 2023-09-29 |
Family
ID=88106480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321113331.7U Active CN219764975U (en) | 2023-05-10 | 2023-05-10 | Tail gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219764975U (en) |
-
2023
- 2023-05-10 CN CN202321113331.7U patent/CN219764975U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |