CN220834853U - Waste gas pretreatment device - Google Patents
Waste gas pretreatment device Download PDFInfo
- Publication number
- CN220834853U CN220834853U CN202322239295.5U CN202322239295U CN220834853U CN 220834853 U CN220834853 U CN 220834853U CN 202322239295 U CN202322239295 U CN 202322239295U CN 220834853 U CN220834853 U CN 220834853U
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- China
- Prior art keywords
- waste gas
- pipeline
- tank body
- pretreatment device
- water pipe
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- 239000002912 waste gas Substances 0.000 title claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000007789 gas Substances 0.000 claims abstract description 52
- 239000007921 spray Substances 0.000 claims description 13
- 238000005507 spraying Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 8
- 238000010992 reflux Methods 0.000 claims description 4
- 239000010815 organic waste Substances 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000003595 mist Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to the technical field of waste gas treatment, in particular to a waste gas pretreatment device, which comprises a tank body, wherein an air inlet pipe is arranged at the upper part of the tank body, the air inlet pipe is arranged along the tangential direction of the tank body, an air outlet pipe is arranged at the top of the tank body, a central water pipe is vertically arranged in the tank body, the upper part of the central water pipe is communicated with the bottom of the tank body through a first pipeline, and the air outlet pipe and the air inlet pipe are connected with at least one buffer tank through a second pipeline. Compared with the prior art, the waste gas pretreatment device provided by the utility model has the advantages that the occupied area is small, the intermittent large-air-volume industrial organic waste gas can be treated in a targeted manner, the impact of the instantaneous high-concentration organic waste gas on a waste gas treatment system is reduced, harmful substances in the waste gas are more fully fused into water through the multistage treatment of the waste gas, the waste gas treatment effect is greatly improved, the investment of rear-end equipment is reduced, and the operation cost is reduced.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to a waste gas pretreatment device.
Background
Enterprises can generate various waste gases in the production and processing processes, and untreated waste gases are directly discharged into the atmosphere to cause serious pollution to the air, destroy ecology and harm the body health and living environment of human beings.
At present, when water-soluble waste gas is treated, a spray tower is adopted, most of chemical enterprises generate discontinuous organic waste gas due to the process specificity, most of the produced organic waste gas is discontinuous, a large amount of high-concentration organic waste gas can be generated between a few minutes and a few ten minutes, but a common organic waste gas treatment system is continuously designed and operated, the intermittent organic waste gas emission is not met, the instantaneous organic waste gas concentration exceeds the standard, the waste gas treatment effect is poor, the treated waste gas cannot reach the emission standard, and the waste and the operation cost of the device are increased.
Disclosure of utility model
In order to solve the problems, the present utility model provides an exhaust gas pretreatment device.
The technical scheme adopted by the utility model is as follows: waste gas preprocessing device, the key lies in: the novel water tank is characterized by comprising a tank body, wherein an air inlet pipe is arranged on the upper portion of the tank body, the air inlet pipe is arranged along the tangential direction of the tank body, an air outlet pipe is arranged at the top of the tank body, a central water pipe is vertically arranged in the tank body, the upper portion of the central water pipe is communicated with the bottom of the tank body through a first pipeline, and the air outlet pipe and the air inlet pipe are connected with at least one buffer tank through a second pipeline.
In the scheme, through setting up the buffer tank, let in the jar body again and carry out the water absorption after storing organic waste gas, avoid instantaneous high concentration organic waste gas's impact, waste gas gets into along jar body tangential direction, combine with central water pipe spun water smoke, absorb organic waste gas, gas is discharged from the outlet duct after getting into jar body through pipeline second circulation, the rivers of absorption waste gas get into central water pipe through pipeline first circulation, the multistage treatment to waste gas makes the harmful substance in the waste gas more abundant melt into in the aquatic, waste gas treatment's effect has been improved greatly.
Further, two buffer tanks are connected in parallel on the second pipeline.
In the scheme, through the connection of the two buffer tanks, the operation time of the organic waste gas treatment system can be reduced, and the operation cost is reduced.
Further, a gas flowmeter is arranged on the second pipeline.
In the scheme, the gas flowmeter is connected with the control system, so that the flow rate of the exhaust gas discharged into the tank body can be basically constant, the great influence on the exhaust gas treatment system is avoided, and the fluctuation of the exhaust gas treatment system is reduced.
Further, the buffer tank is provided with a pressure gauge for detecting the internal pressure of the buffer tank, a three-way valve A and a three-way valve B are arranged on the second pipeline, the air inlets of the two buffer tanks are communicated with an exhaust gas source through the three-way valve A, and the air outlets of the two buffer tanks are communicated with the air outlet pipe through the three-way valve B.
In the scheme, the pressure gauge, the three-way valve A and the three-way valve B are connected with the control system, when organic waste gas enters the buffer tank, the pressure gauge obtains a pressure value, the three-way valve A and the three-way valve B can be opened and closed through the control system, the overpressure of the buffer tank is avoided, the flow of the waste gas entering the tank body can be basically constant, the great influence on the waste gas treatment system is avoided, the fluctuation of the waste gas treatment system is reduced, the waste gas treatment effect is improved, and therefore the purpose of saving energy is achieved, and the operation cost is reduced.
Further, the upper portion of the tank body is a spraying area, the lower portion of the tank body is a liquid storage area, the central water pipe is located in the spraying area, the upper portion of the central water pipe is fixedly connected with the tank body through a mounting frame, the upper end of the first pipeline is connected with the water inlet end of the central water pipe, the lower end of the first pipeline is communicated with the liquid storage area, and a reflux pump is installed on the first pipeline.
In the scheme, the spray head on the central water pipe sprays water vapor towards the waste gas entering along the tangential direction of the tank body to perform primary water absorption, and the air flow is subjected to secondary water absorption with the water vapor sprayed by the spray head in the process of discharging the air flow from the air outlet after the air flow is spirally lowered along the inner wall of the tank body, so that harmful substances in the waste gas are more fully mixed into water, and the effect of waste gas treatment is greatly improved; in the preferred scheme, a plurality of spray heads are uniformly arranged along the length direction of the central water pipe.
Further, a demister is arranged at the upper part of the spraying area and is positioned under the air outlet pipe.
In the scheme, fog particles and slurry droplets carried in the gas exhausted by the gas outlet pipe are captured by the demister.
The beneficial effects are that: compared with the prior art, the waste gas pretreatment device provided by the utility model has the advantages that the occupied area is small, the intermittent large-air-volume industrial organic waste gas can be treated in a targeted manner, the impact of the instantaneous high-concentration organic waste gas on a waste gas treatment system is reduced, harmful substances in the waste gas are more fully fused into water through the multistage treatment of the waste gas, the waste gas treatment effect is greatly improved, the investment of rear-end equipment is reduced, and the operation cost is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic view of the internal structure of the can.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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. It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly. Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Referring to fig. 1, the exhaust gas pretreatment device includes a tank 1, an air inlet pipe 2 is arranged at the upper part of the tank 1, the air inlet pipe 2 is arranged along the tangential direction of the tank 1, an air outlet pipe 3 is arranged at the top of the tank 1, a central water pipe 4 is vertically installed in the tank 1, the upper part of the central water pipe 4 is communicated with the bottom of the tank 1 through a first pipeline 5, and the air outlet pipe 3 and the air inlet pipe 2 are connected with at least one buffer tank 7 through a second pipeline 6; through setting up the buffer tank, let in the jar body again and absorb water after storing organic waste gas, avoid the impact of instantaneous high concentration organic waste gas, waste gas gets into along jar body tangential direction, combine with central water pipe spun water smoke, absorb organic waste gas, in gas from outlet duct discharge back through pipeline second circulation entering jar body, the rivers of absorption waste gas get into central water pipe through pipeline first circulation, the multistage treatment to waste gas makes the harmful substance in the waste gas more abundant merge into in the water, waste gas treatment's effect has been improved greatly.
In this embodiment, two buffer tanks 7 are provided, and the two buffer tanks 7 are connected in parallel to the second pipeline 6; through the use of two buffer tanks, the operation time of the organic waste gas treatment system can be reduced, and the operation cost is reduced.
In this embodiment, the second pipeline 6 is provided with a gas flowmeter 8; through gas flowmeter and control system link, the waste gas flow that the control was discharged into the jar body can be invariable basically, avoids producing big influence to waste gas treatment system, reduces waste gas treatment system's fluctuation.
In this embodiment, the buffer tanks 7 are provided with pressure gauges 9 for detecting the internal pressure thereof, the second pipeline 6 is provided with a three-way valve a61 and a three-way valve B62, the air inlets of the two buffer tanks 7 are communicated with the waste gas source through the three-way valve a61, and the air outlets of the two buffer tanks 7 are communicated with the air outlet pipe 3 through the three-way valve B62; through manometer, three-way valve A and three-way valve B with control system even use, when organic waste gas got into the buffer tank, the manometer obtained the pressure value, can open and close three-way valve A and three-way valve B through control system, avoid buffer tank superpressure, also make the waste gas flow in getting into the jar body can be invariable basically, avoid producing great influence to exhaust treatment system, reduce exhaust treatment system's fluctuation, improved exhaust treatment's effect to reach energy-conserving purpose, reduce running cost.
Referring to fig. 2, the upper portion of the tank 1 is a spraying area 11, the lower portion of the tank 1 is a liquid storage area 12, the central water pipe 4 is located in the spraying area 11, the upper portion of the central water pipe 4 is fixedly connected with the tank through a mounting frame, the upper end of the first pipeline 5 is connected with the water inlet end of the central water pipe 4, the lower end of the first pipeline 5 is communicated with the liquid storage area 12, and a reflux pump 10 is installed on the first pipeline 5; the spray head on the central water pipe sprays water vapor towards the waste gas entering along the tangential direction of the tank body to perform primary water absorption, and the air flow is subjected to secondary water absorption with the water vapor sprayed by the spray head in the process of being discharged from the air outlet after descending along with the spiral of the inner wall of the tank body, so that harmful substances in the waste gas are more fully fused into water, and the effect of waste gas treatment is greatly improved; in the preferred scheme, a plurality of spray heads are uniformly arranged along the length direction of the central water pipe.
In this embodiment, a demister 13 is installed at the upper part of the spraying area 11, and the demister 13 is located right below the air outlet pipe 3; mist particles and slurry droplets carried in the gas discharged from the gas outlet pipe are captured by the demister.
The utility model is further described below in connection with a specific application scenario:
The waste gas pretreatment device comprises a tank body 1, wherein an air inlet pipe 2 is arranged at the upper part of the tank body 1, the air inlet pipe 2 is arranged along the tangential direction of the tank body 1, an air outlet pipe 3 is arranged at the top of the tank body 1, a central water pipe 4 is vertically arranged in the tank body 1, the upper part of the central water pipe 4 is communicated with the bottom of the tank body 1 through a first pipeline 5, the air outlet pipe 3 and the air inlet pipe 2 are connected with two buffer tanks 7 in parallel through a second pipeline 6, the buffer tanks 7 are provided with a pressure gauge 9 for detecting the internal pressure of the buffer tanks, the second pipeline 6 is provided with a three-way valve A61, a three-way valve B62 and a gas flowmeter 8, the air inlets of the two buffer tanks 7 are communicated with a waste gas source through the three-way valve A61, the air outlets of the two buffer tanks 7 are communicated with the air outlet pipe 3 through the three-way valve B62, the gas flowmeter 8 is located between the three-way valve B62 and the tank body 1, the gas flowmeter, the pressure gauge, the three-way valve a and the three-way valve B are connected with the control system, when organic waste gas enters the buffer tank, the pressure gauge obtains a pressure value, the three-way valve a and the three-way valve B can be opened and closed through the control system, the overpressure of the buffer tank is avoided, the flow rate of the waste gas discharged into the tank body can be basically constant, the waste gas treatment system is prevented from being greatly influenced, the fluctuation of the waste gas treatment system is reduced, the impact of the instantaneous high-concentration organic waste gas is avoided, the waste gas enters along the tangential direction of the tank body and is combined with water mist sprayed out of the central water pipe, the organic waste gas is absorbed, the gas is discharged from the air outlet pipe and then enters the tank body through the second circulation of the pipeline, and the water flow of the absorbed waste gas enters the central water pipe through the first circulation of the pipeline; the upper part of the tank body 1 is a spraying area 11, the lower part of the tank body 1 is a liquid storage area 12, the central water pipe 4 is positioned in the spraying area 11, the upper part of the central water pipe 4 is fixedly connected with the tank body through a mounting frame, a demister 13 is arranged at the upper part of the spraying area 11, the demister 13 is positioned right below the air outlet pipe 3, the upper end of the first pipeline 5 is connected with the water inlet end of the central water pipe 4, the lower end of the first pipeline 5 is communicated with the liquid storage area 12, and a reflux pump 10 is arranged on the first pipeline 5; the spray head on the central water pipe sprays water vapor towards the exhaust gas entering along the tangential direction of the tank body to perform primary water absorption, and the air flow is discharged from the air outlet after descending along with the spiral of the inner wall of the tank body to perform secondary water absorption with the water vapor sprayed out of the spray head, so that fog particles and slurry droplets carried in the gas discharged from the air outlet pipe are captured through the demister.
Finally, it should be noted that the above description is only a preferred embodiment of the present utility model, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (6)
1. Waste gas pretreatment device, its characterized in that: including jar body (1), jar body (1) upper portion is equipped with intake pipe (2), intake pipe (2) are followed the tangential direction setting of jar body (1), the top of jar body (1) is equipped with outlet duct (3), vertically install central water pipe (4) in jar body (1), the upper portion of central water pipe (4) through pipeline one (5) with the bottom intercommunication of jar body (1), outlet duct (3) with intake pipe (2) are through pipeline two (6) connection at least one buffer tank (7).
2. The exhaust gas pretreatment device according to claim 1, wherein: the number of the buffer tanks (7) is two, and the two buffer tanks (7) are connected in parallel on the pipeline II (6).
3. The exhaust gas pretreatment device according to claim 2, wherein: and a gas flowmeter (8) is arranged on the second pipeline (6).
4. The exhaust gas pretreatment device according to claim 2, wherein: the buffer tank (7) is provided with a pressure gauge (9) for detecting the internal pressure of the buffer tank, a three-way valve A (61) and a three-way valve B (62) are arranged on the pipeline II (6), the air inlets of the two buffer tanks (7) are communicated with an exhaust gas source through the three-way valve A (61), and the air outlets of the two buffer tanks (7) are communicated with the air outlet pipe (3) through the three-way valve B (62).
5. The exhaust gas pretreatment device according to claim 2, wherein: the upper portion of the tank body (1) is a spraying area (11), the lower portion of the tank body (1) is a liquid storage area (12), the central water pipe (4) is located in the spraying area (11), the upper portion of the central water pipe (4) is fixedly connected with the tank body through a mounting frame, the upper end of the first pipeline (5) is connected with the water inlet end of the central water pipe (4), the lower end of the first pipeline (5) is communicated with the liquid storage area (12), and a reflux pump (10) is installed on the first pipeline (5).
6. The exhaust gas pretreatment device according to claim 5, wherein: the upper portion of spray zone (11) is installed defroster (13), defroster (13) are located outlet duct (3) directly under.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322239295.5U CN220834853U (en) | 2023-08-21 | 2023-08-21 | Waste gas pretreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322239295.5U CN220834853U (en) | 2023-08-21 | 2023-08-21 | Waste gas pretreatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220834853U true CN220834853U (en) | 2024-04-26 |
Family
ID=90739763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322239295.5U Active CN220834853U (en) | 2023-08-21 | 2023-08-21 | Waste gas pretreatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220834853U (en) |
-
2023
- 2023-08-21 CN CN202322239295.5U patent/CN220834853U/en active Active
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