CN219518365U - Chemical waste gas rich liquor washing purification tank - Google Patents
Chemical waste gas rich liquor washing purification tank Download PDFInfo
- Publication number
- CN219518365U CN219518365U CN202222541733.9U CN202222541733U CN219518365U CN 219518365 U CN219518365 U CN 219518365U CN 202222541733 U CN202222541733 U CN 202222541733U CN 219518365 U CN219518365 U CN 219518365U
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- CN
- China
- Prior art keywords
- waste gas
- tank body
- filter screen
- chemical waste
- gas rich
- Prior art date
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- 239000007789 gas Substances 0.000 title claims abstract description 37
- 239000002894 chemical waste Substances 0.000 title claims abstract description 31
- 238000005406 washing Methods 0.000 title claims abstract description 14
- 238000000746 purification Methods 0.000 title description 3
- 239000007788 liquid Substances 0.000 claims abstract description 64
- 238000010521 absorption reaction Methods 0.000 claims abstract description 46
- 238000001914 filtration Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 238000009827 uniform distribution Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000002912 waste gas Substances 0.000 abstract description 34
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 239000003344 environmental pollutant Substances 0.000 abstract description 7
- 231100000719 pollutant Toxicity 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000003756 stirring Methods 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model relates to the technical field of chemical waste gas treatment, and particularly discloses a chemical waste gas rich liquid washing and purifying tank which comprises a tank body, an even distributor, a filter screen and a demisting net, wherein the even distributor is arranged in the tank body, the filter screen is arranged above the even distributor, the demisting net is arranged above the filter screen, the filter screen is arranged below the liquid level of an absorption liquid, when waste gas passes through the filter screen, larger waste gas bubbles can be densely and mistakenly divided into micro bubbles from complex filaments due to buoyancy effect by the filter screen, the pollutant in the waste gas can be further reacted or absorbed with the absorption liquid, the stirring of the absorption liquid in the tank body is caused in the process of introducing the waste gas into the absorption liquid by arranging the even distributor, the aim of cleaning the filter screen is achieved, the working efficiency of the device is improved, and meanwhile, the whole system adopts negative pressure operation by arranging a negative pressure vacuum pump, so that the device has good tightness.
Description
Technical Field
The utility model relates to the technical field of chemical waste gas treatment, in particular to a chemical waste gas rich liquid washing and purifying tank.
Background
The chemical waste gas is toxic and harmful gas exhausted from a chemical factory in chemical production, and has the characteristics of easy leakage, inflammability, explosiveness, strong irritation, strong corrosiveness, multiple floating particles and the like, and once the chemical waste gas is leaked or improperly treated, the chemical waste gas can cause great challenges to the environment and the health of residents.
In recent years, the treatment of chemical waste gas is attracting more attention, and the following difficulties generally exist in the process of treating chemical waste gas:
(1) the treatment is difficult: most of the pollutants in the chemical waste gas are insoluble in common solution and do not react with common substances. This greatly increases the difficulty of purification of such exhaust gases;
the conventional process equipment is mature in technology, but problems still exist when the conventional process equipment is used for treating scattered chemical waste gas, when some scattered chemical waste gas is treated, the chemical waste gas is directly guided into the absorption liquid due to cost consideration and improvement of the reaction degree of the waste gas and the absorption liquid, a large amount of waste gas bubbles and absorption liquid fog drops can be generated in the guiding process of the waste gas, the waste gas bubbles can be cut off by adopting a filter screen, and a large amount of particles in the chemical waste gas bubbles can be attached to the surface of the filter screen in the actual use process, so that the working effect of the filter screen is influenced, and the overall working efficiency of the device is reduced.
Disclosure of Invention
The utility model aims to provide a chemical waste gas rich liquor washing and purifying tank, which solves the following technical problems:
in the chemical waste gas treatment process, a large amount of particulate matters of waste gas can be attached to the surface of the filter screen, so that the overall working efficiency of the device is reduced.
The aim of the utility model can be achieved by the following technical scheme:
the chemical waste gas rich liquid washing and purifying tank comprises a tank body, wherein an even distributor is arranged in the tank body, a filter screen is arranged above the even distributor, and a demisting net is arranged above the filter screen;
the uniform distributor comprises a main pipeline, two sides of the main pipeline are communicated with a plurality of branch pipelines, and uniform distribution holes are uniformly formed in the branch pipelines;
the tank body is internally provided with absorption liquid, the liquid level of the absorption liquid is positioned between the filtering silk screen and the demisting net, an air inlet pipe is connected with an air inlet end of the tank body in a penetrating way, the air inlet pipe is communicated with the main pipeline, and an air outlet end of the tank body is provided with a negative pressure vacuum pump.
Further preferably, two ends of the branch pipeline are in airtight design, the air inlet pipe is in rotary sealing connection with the main pipeline, the branch pipeline is uniformly distributed on two sides of the main pipeline, and the uniformly distributed holes are obliquely arranged along the anticlockwise direction relative to the central shaft of the tank body.
Further preferably, a first bracket is fixedly connected between the uniform distributor and the lateral side of the inner wall of the tank body, and a second bracket is fixedly connected between the filter screen and the lateral side of the inner wall of the tank body.
Further preferably, a liquid level meter is vertically fixed on the inner wall of the tank body, the gas outlet end of the tank body is in penetrating connection with a gas outlet pipe, and a negative pressure vacuum pump is fixed on the gas outlet pipe
Further preferably, one port of the air inlet pipe is communicated with the outside of the tank body, the other port of the air inlet pipe is communicated with the main pipeline, one port of the air outlet pipe is arranged above the filter screen inside the tank body, and the other port of the air outlet pipe is communicated with the outside of the tank body.
Further preferably, the top of the tank body is provided with a sealing head, a bolt is fixedly connected between the tank body and the sealing head, and a drain valve is arranged at the side of the bottom of the tank body.
Further preferably, a dosing valve is arranged on one side of the top of the sealing head, and an evacuation valve is arranged on the other side of the top of the sealing head.
The utility model has the beneficial effects that:
(1) The utility model is provided with the filter screen below the liquid surface of the absorption liquid, when the waste gas passes through the filter screen, the larger waste gas bubbles can be densely and mistakenly divided into micro bubbles from complex filaments due to buoyancy effect, which is beneficial to the further reaction or absorption of pollutants in the waste gas with the absorption liquid.
(2) According to the utility model, the lower part of each branch pipeline of the uniform distributor is provided with the uniform distribution holes, and the waste gas uniformly enters the absorption liquid through the uniform distribution holes, so that the waste gas is fully contacted and reacted with the absorption liquid, the treatment effect of the waste gas is improved, meanwhile, the waste gas sprayed out of the uniform distributor can drive the uniform distributor to rotate, the rotation of the uniform distributor and the inflow of the waste gas can drive the stirring of the absorption liquid, the concentration of the absorption liquid is prevented from being uneven, the treatment effect of the waste gas is further improved, and the waste of the absorption liquid can be reduced, unlike the traditional equipment, the waste of the absorption liquid is not required to be circularly sprayed, and the cost is saved.
(3) The utility model realizes the negative pressure operation of the whole system by arranging the negative pressure vacuum pump, so that the device has good tightness, can not cause leakage of waste gas, is suitable for chemical waste gas and absorption solution with high risk, and is suitable for the absorption solution stored in the sealed tank body.
(4) The utility model has simple structure and small size, can select different absorption liquids according to the nature of pollutants in the waste gas, can also adopt a serial connection mode, can configure different absorption liquids in each stage of absorption tanks connected in series to carry out multistage treatment on the waste gas, has various combination modes and high flexibility, and can be used more easily and flexibly compared with the prior equipment by only needing one set of equipment aiming at the same waste gas which is generated intermittently at different positions with longer distance, such as the waste gas generated during equipment overhaul.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the distributor of the present utility model;
fig. 3 is a schematic diagram of a multi-stage series configuration of the present utility model.
Reference numerals: 1-a tank body; 2-an even distributor; 201-a main pipeline; 202-dividing the pipeline; 203-uniformly distributing holes; 3-an air inlet pipe; 4-a liquid level meter; 5-a filter screen; 6-demisting net; 7-a first bracket; 8-a second bracket; 9-a blow-down valve; 10-an air outlet pipe; 11-a negative pressure vacuum pump; 12-end socket; 13-a bolt; 14-a dosing valve; 15-an evacuation valve; 16-connecting pipes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled 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.
The chemical waste gas rich liquid washing and purifying tank in the embodiment of the utility model, as shown in figure 1, comprises a tank body 1, an even distributor 2, a filtering screen 5 and a demisting net 6, wherein the even distributor 2 is arranged in the tank body 1, the filtering screen 5 is arranged above the even distributor 2, and the demisting net 6 is arranged above the filtering screen 5.
As shown in fig. 2, the uniform distributor 2 includes a main pipe 201, branch pipes 202 and uniform distribution holes 203, two sides of the main pipe 201 are communicated with a plurality of branch pipes 202, and the branch pipes 202 are uniformly provided with the uniform distribution holes 203.
As shown in fig. 1, an absorption liquid is disposed in the tank 1, the liquid level of the absorption liquid is located between the filtering screen 5 and the demisting screen 6, an air inlet pipe 3 is connected to an air inlet end of the tank 1 in a penetrating manner, the air inlet pipe 3 is connected with a main pipe 201, and a negative pressure vacuum pump 11 is disposed at an air outlet end of the tank 1.
As shown in fig. 2, two ends of the branch pipe 202 are of a closed design, the air inlet pipe 3 is in rotary sealing connection with the main pipe 201, the branch pipe 202 is uniformly distributed on two sides of the main pipe 201, and the distribution holes 203 are obliquely arranged in a counterclockwise direction relative to a central axis of the tank 1.
As shown in fig. 1, a first bracket 7 is fixedly connected between the uniform distributor 2 and the side of the inner wall of the tank body 1 for fixing the uniform distributor 2, and a second bracket 8 is fixedly connected between the filter screen 5 and the side of the inner wall of the tank body 1 for fixing the filter screen 5.
As shown in fig. 1, a liquid level meter 4 is vertically fixed on the inner wall of the tank body 1, for facilitating the user to observe the liquid volume in the tank, the air outlet end of the tank body 1 is connected with an air outlet pipe 10 in a penetrating manner, and a negative pressure vacuum pump 11 is fixed on the air outlet pipe 10, for guiding the air flow in the device.
As shown in fig. 1, one port of the air inlet pipe 3 is communicated with the outside of the tank body 1, the other port of the air inlet pipe 3 is communicated with the main pipe 201, and is used for guiding external chemical waste gas into the uniform distributor 2, one port of the air outlet pipe 10 is arranged above the filtering screen 5 in the tank body 1, and the other port of the air outlet pipe 10 is communicated with the outside of the tank body 1, and is used for discharging treated gas.
As shown in fig. 1, an end enclosure 12 is arranged at the top of the tank body 1, a bolt 13 is fixedly connected between the tank body 1 and the end enclosure 12, and a blow-down valve 9 is arranged at the side of the bottom of the tank body 1 and is used for exhausting waste gas absorption liquid in the used tank body 1.
As shown in fig. 1, one side of the top of the seal head 12 is provided with a dosing valve 14 for filling absorption liquid, and the other side of the top of the seal head 12 is provided with an evacuation valve 15 for balancing the air pressure in the device.
The working principle of the utility model is as follows:
when in use, the evacuation valve 15 is opened, the dosing valve 14 is opened, the absorption liquid is observed through the liquid level meter 4 and enters the tank body 1 through the suction effect of the negative pressure vacuum pump 11, the absorption liquid enters the even distributor 2 along the pipeline, the lower part of each branch pipeline 202 of the even distributor 2 is provided with the even distribution holes 203, the waste gas evenly enters the absorption liquid through the even distribution holes 203, meanwhile, the waste gas ejected from the even distributor 2 can drive the even distributor 2 to rotate, the rotation of the even distributor 2 and the inflow of the waste gas can drive the stirring of the absorption liquid, the concentration of the absorption liquid is prevented from being uneven, the treatment effect of the waste gas is improved, most pollutants in the waste gas can be absorbed or dissolved through the absorption liquid, the filter screen 5 is arranged below the liquid level of the absorption liquid, when the waste gas passes through the filter screen 5, larger waste gas bubbles are densely and mistakenly divided into micro bubbles from complex filaments by the filter screen 5 under the action of buoyancy, which is beneficial to further reaction or absorption of pollutants in the waste gas with absorption liquid, the filter screen 5 is arranged in the absorption liquid, and the uniform distributor 2 is arranged to cause stirring of the absorption liquid in the tank 1 in the process of introducing the waste gas into the absorption liquid, so that the purpose of cleaning the filter screen 5 is achieved, the working efficiency of the device is improved, and some absorption liquid droplets can be carried by the waste gas purified by the absorption liquid.
After saturation of the absorption liquid, the evacuation valve 15 may be opened, the blowdown valve 9 opened, the saturated solution discharged to the designated container, and then the blowdown valve 9 closed. The dosing valve 14 is opened and the absorption liquid is added to the design liquid level as observed by the level gauge 4.
As shown in fig. 3, when the chemical waste gas contains more pollutant species and needs multistage treatment, the multistage treatment method is connected in series through the connecting pipeline 16, and different absorption liquids are configured for each single device, so that the classification and multistage treatment of the complex chemical waste gas can be realized.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (7)
1. The chemical waste gas rich liquid washing and purifying tank comprises a tank body (1) and is characterized in that an even distributor (2) is arranged in the tank body (1), a filtering screen (5) is arranged above the even distributor (2), and a demisting net (6) is arranged above the filtering screen (5);
the uniform distributor (2) comprises a main pipeline (201), a plurality of branch pipelines (202) are communicated with two sides of the main pipeline (201), and uniform distribution holes (203) are uniformly formed in the branch pipelines (202);
the utility model discloses a jar body, including jar body (1), filter screen (5) and defogging net (6) are connected with inlet pipe (3) in jar body (1), be provided with the absorption liquid in jar body (1), absorption liquid level is located between filter screen (5) and defogging net (6), jar body (1) inlet end through connection has intake pipe (3), intake pipe (3) are linked together with trunk line (201), jar body (1) end of giving vent to anger is provided with negative pressure vacuum pump (11).
2. The chemical waste gas rich liquid washing and purifying tank according to claim 1, wherein two ends of the branch pipeline (202) are of a closed design, the air inlet pipe (3) is in rotary sealing connection with the main pipeline (201), the branch pipeline (202) is uniformly distributed on two sides of the main pipeline (201), and the uniformly distributed holes (203) are obliquely arranged along the anticlockwise direction relative to the central shaft of the tank body (1).
3. The chemical waste gas rich liquid washing and purifying tank according to claim 1, wherein a first bracket (7) is fixedly connected between the uniform distributor (2) and the side of the inner wall of the tank body (1), and a second bracket (8) is fixedly connected between the filtering screen (5) and the side of the inner wall of the tank body (1).
4. The chemical waste gas rich liquid washing and purifying tank according to claim 1, wherein a liquid level meter (4) is vertically fixed on the inner wall of the tank body (1), an air outlet pipe (10) is connected with the air outlet end of the tank body (1) in a penetrating way, and a negative pressure vacuum pump (11) is fixed on the air outlet pipe (10).
5. The chemical waste gas rich liquid washing and purifying tank according to claim 4, wherein one port of the air inlet pipe (3) is communicated with the outside of the tank body (1), the other port of the air inlet pipe (3) is communicated with the main pipe (201), one port of the air outlet pipe (10) is arranged above the filtering screen (5) in the tank body (1), and the other port of the air outlet pipe (10) is communicated with the outside of the tank body (1).
6. The chemical waste gas rich liquid washing and purifying tank according to claim 1, wherein an end socket (12) is arranged at the top of the tank body (1), a bolt (13) is fixedly connected between the tank body (1) and the end socket (12), and a blow-down valve (9) is arranged at the side of the bottom of the tank body (1).
7. The chemical waste gas rich liquid washing and purifying tank according to claim 6, wherein a dosing valve (14) is arranged on one side of the top of the sealing head (12), and an evacuation valve (15) is arranged on the other side of the top of the sealing head (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222541733.9U CN219518365U (en) | 2022-09-26 | 2022-09-26 | Chemical waste gas rich liquor washing purification tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222541733.9U CN219518365U (en) | 2022-09-26 | 2022-09-26 | Chemical waste gas rich liquor washing purification tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219518365U true CN219518365U (en) | 2023-08-15 |
Family
ID=87630662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222541733.9U Active CN219518365U (en) | 2022-09-26 | 2022-09-26 | Chemical waste gas rich liquor washing purification tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219518365U (en) |
-
2022
- 2022-09-26 CN CN202222541733.9U patent/CN219518365U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A chemical waste gas rich liquid washing and purification tank Granted publication date: 20230815 Pledgee: Hanshan County sub branch of Postal Savings Bank of China Ltd. Pledgor: ANHUI WEIDA ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2024980015018 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |