CN219922534U - Improved tail gas absorbing device - Google Patents
Improved tail gas absorbing device Download PDFInfo
- Publication number
- CN219922534U CN219922534U CN202321228330.7U CN202321228330U CN219922534U CN 219922534 U CN219922534 U CN 219922534U CN 202321228330 U CN202321228330 U CN 202321228330U CN 219922534 U CN219922534 U CN 219922534U
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- CN
- China
- Prior art keywords
- absorption
- tail gas
- tower
- spray
- absorbing device
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- 238000010521 absorption reaction Methods 0.000 claims abstract description 116
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 239000007921 spray Substances 0.000 claims abstract description 36
- 239000012530 fluid Substances 0.000 claims abstract description 14
- 238000012856 packing Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 9
- 239000000945 filler Substances 0.000 abstract description 15
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 238000005507 spraying Methods 0.000 abstract description 6
- 238000001556 precipitation Methods 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 62
- 238000013461 design Methods 0.000 description 8
- 230000007613 environmental effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
Landscapes
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to an improved tail gas absorbing device, and belongs to the technical fields of chemical environment-friendly equipment and tail gas absorption. It comprises the following steps: the novel spray absorption tower, a tower inlet inclined pipe, a filler module, a fluid distributor, an absorption tank, a built-in heat exchanger and the like are characterized in that: the tower inlet pipe is designed to be inclined upwards, so that the spray liquid can be effectively prevented from drifting into the tail gas pipeline, and further the problem of blockage of the tail gas pipeline caused by precipitation of solid matters can be effectively prevented; 2, the built-in heat exchanger is additionally arranged in the absorption tank, so that the temperature of the absorption liquid can be effectively reduced, the absorption speed is further increased, and the absorption efficiency is improved; 3, the fluid disperser is additionally arranged at the top of the absorption tower, which is very beneficial to atomizing and uniformly spraying the spray liquid; and 4, a filler module is added in the absorption tower, so that the loading and unloading of the filler are facilitated. The improved tail gas absorbing device has the advantages of simple structure, convenience in operation and high absorption efficiency.
Description
Technical Field
The utility model belongs to the technical field of chemical environment-friendly equipment and tail gas absorption, and particularly relates to an improved tail gas absorption device.
Background
With the increasing awareness of environmental protection, various environmental protection methods and devices are gradually going deep into every industry, and especially the innovation requirements of pharmaceutical and fine chemical enterprises on environmental protection equipment are also increasing.
Taking the absorption of industrial tail gases such as sulfur dioxide gas, hydrogen chloride gas, nitrogen dioxide gas and the like as an example, the common property of the gases is strong pungent smell and toxic and harmful substances, and the prior art adopts a multi-stage absorption tower to carry out harmless treatment on the toxic and harmful tail gases.
The absorption tower in the prior art also has certain defects in the application process, 1 is that most of the tail gas absorption process is exothermic, and the absorption effect and efficiency of the tail gas are affected by the temperature rise; 2, as the absorption liquid is mostly low-concentration liquid alkali, and is combined with the acid gases to form salt, the concentration of the absorption liquid of the system is higher and higher, and if the absorption liquid splashes and is accumulated in a tail gas pipeline, the pipeline is easy to be blocked, so that a large safety and environmental protection accident can be brought; 3, each layer of packing of the absorption tower is randomly piled, and when the packing is broken and damaged and needs to be updated, the packing is laborious and time-consuming; and 4, the absorber liquid distributor at the top of the tower is of a groove-shaped structure, so that uneven distribution of the absorber liquid is easily caused.
Disclosure of Invention
In order to solve the problems, the technical scheme of the utility model discloses an improved tail gas absorption device, which has the innovation point of correspondingly improving the defects of the tail gas absorption tower in the prior art. The tower inlet inclined pipe is designed to be inclined upwards, so that the spray liquid can be effectively prevented from drifting into the tail gas pipeline, and further the problem of blockage of the tail gas pipeline caused by precipitation of solid matters can be effectively prevented; 2, the built-in heat exchanger is additionally arranged in the absorption tank, so that the temperature of the absorption liquid can be effectively reduced, the absorption speed is further increased, and the absorption efficiency is improved; 3, the upper part of the absorption tower is additionally provided with a fluid disperser, which is very beneficial to atomizing and uniformly spraying the spray liquid; and 4, a filler module is added in the absorption tower, so that the loading and unloading of the filler are facilitated. The improved tail gas absorbing device has the advantages of simple structure, convenience in operation and high absorption efficiency.
The utility model relates to an improved tail gas absorbing device, which comprises: the device is characterized in that the spray absorption tower is arranged right above the absorption tank, the bottom side surface of the spray absorption tower is provided with the tower inlet inclined pipe, the tower inlet inclined pipe is connected with the initial tail gas pipeline, the side surface of the upper part of the spray absorption tower is provided with the absorption liquid inlet, the fluid distributor is connected with the absorption liquid inlet and is arranged inside the spray absorption tower, the built-in heat exchanger is arranged inside the absorption tank, and the absorption tank is communicated with the absorption liquid inlet through the circulating pump and part of the pipeline. The top of the spray absorption tower is connected with the secondary absorption combination through a secondary tail gas pipeline. In order to ensure thorough absorption of tail gas, a multi-stage absorption combination is generally adopted, the structure of each stage of absorption combination is basically the same, and the initial tail gas is subjected to harmless emission after being absorbed by one stage, two stages, three stages and four stages.
Preferably, the improved tail gas absorbing device according to the technical scheme of the utility model is characterized in that the filler modules arranged in the spray absorption tower consist of cylindrical grid bodies filled with fillers, 4-8 groups of filler modules are arranged in the tower, and the fillers are spherical or corrugated PP or PE plastic materials. The purpose of this design is that the loading and unloading of packing are updated when the maintenance is convenient.
Preferably, the improved tail gas absorbing device according to the technical scheme of the utility model is characterized in that the tower inlet inclined tube is made of hard PP material and is inclined upwards by 30-60 degrees along the tower body. The purpose of design like this can effectively prevent to absorb spraying liquid and splash and accumulate and cause the pipeline to block up in the tail gas pipeline, and then can avoid the emergence of incident of environmental protection.
Preferably, the improved tail gas absorbing device according to the technical scheme of the utility model is characterized in that the fluid distributor arranged at the top of the tower is of an annular structure, and 20-30 micropores with diameters of 3-5 mm are formed along the downward direction. The purpose of this design is to make the absorption liquid spray more evenly, and is more favorable to tail gas absorption.
Preferably, the improved tail gas absorbing device according to the technical scheme of the utility model is characterized in thatThe built-in heat exchanger arranged in the absorption tank is made of full PP plastic material, and the heat exchange area is 100-150 m 2 . The purpose of the design is that the built-in heat exchanger with large surface area can keep the temperature stable in the absorption process, and meanwhile, the PP plastic material is very resistant to acid liquid corrosion.
The improved tail gas absorbing device provided by the technical scheme of the utility model has the obvious beneficial effects that:
the tower inlet inclined tube is designed to be inclined upwards, so that the spray liquid can be effectively prevented from drifting and entering the tail gas pipeline, and further the problem of tail gas pipeline blockage caused by solid precipitation can be effectively prevented.
2, the built-in heat exchanger is additionally arranged in the absorption tank, so that the temperature of the absorption liquid can be effectively reduced, the absorption speed is further increased, and the absorption efficiency is improved.
The upper part of the absorption tower is additionally provided with a fluid disperser, which is very beneficial to atomizing and uniformly spraying the spray liquid.
And 4, a filler module is added in the absorption tower, so that the loading and unloading of the filler are facilitated.
The improved tail gas absorbing device has the advantages of simple structure, convenience in operation and high absorption efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic structural diagram of an improved tail gas absorption device according to an embodiment of the present utility model.
In fig. 1: spray absorption tower 01, filler module 02, initial tail gas pipeline 03, advance tower pipe chute 04, pipeline sight glass 05, absorption tank 06, built-in heat exchanger 07, circulating pump 08, absorption liquid inlet 09, fluid distributor 10, secondary tail gas pipeline 11, secondary absorption combination 12, tertiary tail gas pipeline 13, cooling water inlet 14, cooling water outlet 15.
Description of the embodiments
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, an embodiment of the present utility model will be further described with reference to fig. 1.
Referring to fig. 1, an improved tail gas absorption device according to an embodiment of the present utility model includes: spray absorption tower 01, filler module 02, initial tail gas pipeline 03, advance tower pipe chute 04, pipeline sight glass 05, absorption tank 06, built-in heat exchanger 07, circulating pump 08, absorption liquid inlet 09, fluid distributor 10, secondary tail gas pipeline 11, secondary absorption combination 12, tertiary tail gas pipeline 13, cooling water inlet 14, cooling water outlet 15.
An improved tail gas absorbing device according to an embodiment of the present utility model is characterized in that the spray absorption tower 01 is disposed right above the absorption tank 06, a tower inlet inclined tube 04 is disposed on a bottom side surface of the spray absorption tower 01, the tower inlet inclined tube 04 is connected with an initial tail gas pipeline 03, an absorption liquid inlet 09 is disposed on an upper side surface of the spray absorption tower 01, a fluid distributor 10 is connected with the absorption liquid inlet 09 and is installed inside the spray absorption tower 01, a built-in heat exchanger 07 is installed inside the absorption tank 06, and the absorption tank 06 is communicated with the absorption liquid inlet 09 through a circulating pump 08 and a part of pipelines. The top of the spray absorption tower 01 is connected with a secondary absorption combination 12 through a secondary tail gas pipeline 11, and a tertiary tail gas pipeline 13 is connected with a non-upper and non-lower absorption combination; in order to ensure thorough absorption of tail gas, a multi-stage absorption combination is generally adopted, the structure of each stage of absorption combination is basically the same, and the initial tail gas is subjected to harmless emission after being absorbed by one stage, two stages, three stages and four stages.
Further, the improved tail gas absorbing device according to the embodiment of the present utility model is characterized in that the packing module disposed in the spray absorption tower is composed of a cylindrical mesh body filled with packing, 4-8 sets of packing modules are disposed in the tower, and the packing is spherical or corrugated PP or PE plastic. The purpose of this design is that the loading and unloading of packing are updated when the maintenance is convenient.
Further, the improved tail gas absorbing device according to the embodiment of the present utility model is characterized in that the tower inlet inclined tube is made of hard PP material, and is inclined upwards by 30-60 ° along the tower body. The purpose of design like this can effectively prevent to absorb spraying liquid and splash and accumulate and cause the pipeline to block up in the tail gas pipeline, and then can avoid the emergence of incident of environmental protection.
Further, the improved tail gas absorbing device according to the embodiment of the present utility model is characterized in that the fluid distributor disposed at the top of the tower has a ring structure, and 20 to 30 micropores with diameters of 3 to 5mm are formed along the downward direction. The purpose of this design is to make the absorption liquid spray more evenly, and is more favorable to tail gas absorption.
Further, the improved tail gas absorbing device according to the embodiment of the present utility model is characterized in that the built-in heat exchanger installed inside the absorbing tank is made of a full PP plastic material, and the heat exchange area is 100-150 m 2 . The purpose of the design is that the built-in heat exchanger with large surface area can offset part of the exothermic heat of the absorption reaction, keep the temperature of the absorption process stable, and meanwhile, the PP plastic material is very resistant to acid liquid corrosion.
Further, the embodiment of the present utility model provides an improved tail gas absorbing device, which has the following simple working procedures: firstly, a circulating pump 08 is started to spray the absorption liquid from a fluid distributor 10, the absorption liquid circulates among a spray absorption tower 01, an absorption tank 06 and a built-in heat exchanger 07, an initial tail gas pipeline 03 is communicated, the initial tail gas enters the spray absorption tower 01 through a tower inlet inclined pipe 04 and then rises against the falling direction of the spray liquid, the absorption reaction is carried out with the spray liquid, and the tail gas enters a secondary absorption combination 12 through a tower top secondary tail gas pipeline 11 for absorption again.
The improved tail gas absorbing device provided by the technical scheme of the utility model has the following obvious beneficial effects: the tower inlet inclined pipe is designed to be inclined upwards, so that the spray liquid can be effectively prevented from drifting into the tail gas pipeline, and further the problem of blockage of the tail gas pipeline caused by precipitation of solid matters can be effectively prevented; 2, the built-in heat exchanger is additionally arranged in the absorption tank, so that the temperature of the absorption liquid can be effectively reduced, the absorption speed is further increased, and the absorption efficiency is improved; 3, the upper part of the absorption tower is additionally provided with a fluid disperser, which is very beneficial to atomizing and uniformly spraying the spray liquid; and 4, a filler module is added in the absorption tower, so that the loading and unloading of the filler are facilitated.
The improved tail gas absorbing device has the advantages of simple structure, convenience in operation and high absorption efficiency.
The generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model. The scope of the present utility model is to be accorded the widest scope consistent with the principles and novel features described herein.
Claims (5)
1. An improved tail gas absorption device comprising: the device is characterized in that the spray absorption tower is arranged right above the absorption tank, the bottom side surface of the spray absorption tower is provided with the tower inlet inclined pipe, the tower inlet inclined pipe is connected with the initial tail gas pipeline, the side surface of the upper part of the spray absorption tower is provided with the absorption liquid inlet, the fluid distributor is connected with the absorption liquid inlet and is arranged inside the spray absorption tower, the absorption tank is internally provided with the built-in heat exchanger, the absorption tank is communicated with the absorption liquid inlet through the circulation pump and part of the pipeline, and the top of the spray absorption tower is connected with the secondary absorption combination through the secondary tail gas pipeline.
2. The improved tail gas absorbing device as claimed in claim 1, wherein the packing modules arranged in the spray absorbing tower consist of cylindrical mesh bodies filled with packing, 4-8 groups of packing modules are arranged in the tower, and the packing is spherical or corrugated PP or PE plastic.
3. The improved tail gas absorbing device as claimed in claim 1, wherein the tower inlet inclined tube is made of hard PP material and is inclined upwards by 30-60 ° along the tower body.
4. The improved tail gas absorbing device as claimed in claim 1, wherein the fluid distributor provided at the top of the tower has a ring-shaped structure, and has 20 to 30 micro-holes with a diameter of 3 to 5mm opened in a downward direction.
5. The improved tail gas absorbing device as claimed in claim 1, wherein the built-in heat exchanger installed inside the absorbing tank is made of all PP plastic material, and the heat exchanging area is 100-150 m 2 。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321228330.7U CN219922534U (en) | 2023-05-22 | 2023-05-22 | Improved tail gas absorbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321228330.7U CN219922534U (en) | 2023-05-22 | 2023-05-22 | Improved tail gas absorbing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219922534U true CN219922534U (en) | 2023-10-31 |
Family
ID=88488224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321228330.7U Active CN219922534U (en) | 2023-05-22 | 2023-05-22 | Improved tail gas absorbing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219922534U (en) |
-
2023
- 2023-05-22 CN CN202321228330.7U patent/CN219922534U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 461500 eastern part of Wei Wu Road, Changge, Xuchang, Henan Patentee after: Xintiandi Pharmaceutical Co.,Ltd. Address before: 461500 eastern part of Wei Wu Road, Changge, Xuchang, Henan Patentee before: HENAN NEWLAND PHARMACEUTICAL Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |