CN220861039U - Waste gas purifying device - Google Patents
Waste gas purifying device Download PDFInfo
- Publication number
- CN220861039U CN220861039U CN202322394432.2U CN202322394432U CN220861039U CN 220861039 U CN220861039 U CN 220861039U CN 202322394432 U CN202322394432 U CN 202322394432U CN 220861039 U CN220861039 U CN 220861039U
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- Prior art keywords
- spray
- overflow pipe
- exhaust gas
- waste gas
- spray tower
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- 239000002912 waste gas Substances 0.000 title claims abstract description 60
- 239000007921 spray Substances 0.000 claims abstract description 191
- 239000007788 liquid Substances 0.000 claims abstract description 102
- 239000007789 gas Substances 0.000 claims abstract description 51
- 238000000746 purification Methods 0.000 claims abstract description 26
- 238000012856 packing Methods 0.000 claims abstract description 18
- 238000005273 aeration Methods 0.000 claims description 27
- 238000003756 stirring Methods 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 6
- 238000001802 infusion Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 28
- 239000002245 particle Substances 0.000 description 24
- 230000000694 effects Effects 0.000 description 17
- 239000007787 solid Substances 0.000 description 15
- 238000005507 spraying Methods 0.000 description 11
- 239000000945 filler Substances 0.000 description 6
- 238000004064 recycling Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002894 chemical waste Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model provides an exhaust gas purification device which comprises a spray tower, wherein an exhaust gas inlet, an overflow pipe, a packing layer, a spray header and an exhaust port are sequentially arranged on the spray tower from bottom to top, the spray header is externally connected with a spray liquid storage tank or a spray liquid storage tank, the overflow pipe of the spray tower is kept at a certain vertical distance from the bottom of the spray tower, the height of the overflow pipe is higher than that of an air inlet, the overflow pipe is communicated with the inside and the outside of the spray tower, a first valve is arranged on the overflow pipe, a liquid discharge pipe and a second valve arranged on the liquid discharge pipe are further arranged at the bottommost part of the spray tower, and the air inlet of the spray tower is communicated with a fan. The waste gas purifying device can remove particulate matters and dust in waste gas in advance through the arrangement of the overflow pipe, avoids the blockage of a packing layer, can recycle spray liquid, and avoids pollution when the spray liquid is recycled.
Description
Technical Field
The utility model relates to the field of environmental protection equipment, in particular to an exhaust gas purifying device.
Background
Waste gas purification mainly refers to the work of treating industrial waste gas such as dust particles, smoke dust, peculiar smell gas and toxic and harmful gas generated in industrial sites. Common waste gas purification includes factory smoke waste gas purification, workshop dust waste gas purification, organic waste gas purification, waste gas odor purification, acid-base waste gas purification, chemical waste gas purification and the like.
In the related art, a spray absorption method is generally adopted, and the odor components in the exhaust gas are directly contacted with water through spraying, so that the odor components are dissolved in the water to achieve the deodorization purpose. There are also spraying devices in which a packing layer is added to increase the contact area between the spray liquid and the exhaust gas, so as to improve the spraying efficiency. But the filler layer is added to spray and adsorb the waste gas, and dust contained in the waste gas blocks the filler layer.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provide an exhaust gas purifying device.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides an exhaust gas purification device, purifier includes the spray column, the spray column is by supreme waste gas import, overflow pipe, packing layer, shower head, the gas vent of setting gradually down, shower head external spray liquid storage tank or spray liquid storage tank, the overflow pipe of spray column keeps certain perpendicular distance apart from the bottom of spray column, the height of overflow pipe is higher than waste gas import's height, inside and outside of overflow pipe intercommunication spray column just be provided with first valve on the overflow pipe, the spray column bottom still is provided with the fluid-discharge tube and sets up the second valve on the fluid-discharge tube, the waste gas import intercommunication fan of spray column.
The operation method of the waste gas purification device is that the second valve on the drain pipe at the bottommost part of the spray tower is closed, the first valve on the overflow pipe is opened, and spray liquid is input into the spray tower in advance until the overflow pipe is submerged. Then the spray header is opened, waste gas is input from the waste gas inlet of the spray tower, and because spray liquid is deposited in advance at the bottom of the spray tower, the height of the waste gas inlet is lower than that of the overflow pipe, the waste gas forms an aeration effect, and not only can the pollutant gas in part of waste gas be removed through the spray liquid, but also solid substances such as particles and dust in the waste gas can be removed in advance when the waste gas passes through the spray liquid deposited at the bottom, and when the waste gas further meets the spray liquid falling through the spray header through the packing layer, the solid substances such as particles and dust are prevented from blocking the packing layer when the waste gas passes through the packing layer, so that the spray removal efficiency is improved, and the blocking of the packing layer is avoided. And when the spray header is started to spray, the overflow flow of the spray liquid of the overflow pipe is regulated to be not more than the flow of the spray liquid entering the spray header, the spray liquid at the bottom of the deposition spray tower always submerges the overflow pipe, and the overflow of waste gas from the overflow pipe is avoided. In addition, the overflow pipe is arranged to enable part of spray liquid and solid matters containing particles and dust to be deposited at the bottom of the spray tower, and most of spray liquid can be recycled after overflowing from the overflow pipe. Avoiding pollution caused by recycling all spray liquid.
Preferably, the vertical distance between the overflow pipe of the spray tower and the bottom of the spray tower is 1/20-1/5 of the height of the spray tower.
When the vertical distance between the overflow pipe of the spray tower and the bottom of the spray tower is 1/20-1/5 of the height of the spray tower, the overflow effect and the aeration effect of the waste gas entering the bottom of the spray tower are better, and the removal effect of solid particles and dust in the waste gas is improved.
Preferably, the purifying device further comprises a spray liquid storage tank or a spray liquid storage tank, and the overflow pipe is communicated with the spray liquid storage tank or the spray liquid storage tank through a pipeline.
The waste gas purification device is communicated with the spray liquid storage tank or the spray liquid storage tank through the overflow pipe, so that spray liquid is recycled, and circulating liquid deposited particles and dust at the bottom of the spray tower are deposited, so that spray liquid pollution caused by the recycling of the spray liquid is avoided.
Preferably, the spray header is externally connected with a spray liquid storage tank or a spray liquid storage tank through an infusion pump.
Preferably, a plurality of aeration heads are arranged below the packing layer of the spray tower, the aeration heads are communicated with the waste gas inlet of the spray tower, and the positions of the aeration heads are lower than the overflow pipe.
The exhaust gas purification device is characterized in that the aeration head is arranged to allow the gas to be more dispersed, and the removal effect of solid particles and dust in the exhaust gas is better.
Preferably, the aeration heads are arranged in an array.
Preferably, the vertical distance between the aeration head and the overflow pipe is 1/20-1/6 of the height of the spraying tower.
Foretell exhaust gas purification device, through the setting of perpendicular distance between aeration head and the overflow pipe for the aeration effect that overflow effect and waste gas got into the spray column bottom is better, has promoted the removal effect of solid particle, dust in the waste gas. The pollution of circulating spray liquid caused by the disturbance of deposited particles and dust entering the spray liquid storage tank from the overflow pipe is avoided.
Preferably, the bottom of the spray tower is provided with a stirring mechanism, the stirring mechanism comprises stirring blades, a rotating shaft and a motor, and the height of the stirring blades is lower than that of the overflow pipe.
After the exhaust gas purification device operates for a period of time, a large amount of particles and dust can be precipitated at the bottom, at the moment, the operation is stopped, the stirring mechanism is started, and a second valve on a liquid discharge pipe at the bottommost part of the spray tower is opened to discharge spray liquid, particles and dust deposited at the bottom. Restarting the operation.
Preferably, a first flow valve and a flow meter are arranged on a main pipeline between the spray header and the spray liquid storage tank or the spray liquid storage tank, and a second flow valve and a flow meter are arranged on the overflow pipe.
The waste gas purification device controls the overflow pipe to overflow the flow of the spray liquid through the first flow valve and the flow meter, and the second flow valve and the flow meter to be not more than the flow of the spray liquid entering the spray header, so that the liquid deposited at the bottom of the spray header always passes through the overflow pipe during operation, and waste gas is prevented from overflowing from the overflow pipe.
The utility model has the beneficial effects that: the utility model provides an exhaust gas purifying device, wherein the bottom of the spraying tower is pre-deposited with spraying liquid, the height of an exhaust gas inlet is lower than that of an overflow pipe, and the exhaust gas forms an aeration effect, so that part of pollutant gas in the exhaust gas can be removed through the spraying liquid, solid matters such as particles and dust in the exhaust gas can be pre-removed when the exhaust gas passes through the spraying liquid deposited at the bottom, and the filler layer is prevented from being blocked by the solid matters such as particles and dust when the exhaust gas passes through the filler layer when the exhaust gas further passes through the filler layer and meets the falling spraying liquid of the spraying head, thereby improving the spraying removal efficiency and avoiding the blockage of the filler layer. And when the spray header is started to spray, the overflow flow of the spray liquid of the overflow pipe is regulated to be not more than the flow of the spray liquid entering the spray header, the spray liquid at the bottom of the deposition spray tower always submerges the overflow pipe, and the overflow of waste gas from the overflow pipe is avoided. In addition, the overflow pipe is arranged to enable part of spray liquid and solid matters containing particles and dust to be deposited at the bottom of the spray tower, and most of spray liquid can be recycled after overflowing from the overflow pipe. Avoiding pollution caused by recycling all spray liquid.
Drawings
Fig. 1 is a schematic view of an exhaust gas purifying apparatus according to an embodiment of the present utility model.
Fig. 2 is a schematic structural view of a spray tower of the exhaust gas purifying apparatus of the present utility model.
Fig. 3 is a top view of the spray tower of the exhaust gas purifying apparatus of the present utility model taken along section A-A.
Wherein, 1, a spray tower, 2, an exhaust gas inlet, 3, an overflow pipe, 4, a packing layer, 5, a spray header, 6, an exhaust port, 7, a spray liquid storage tank or a spray liquid storage tank, 8, an infusion pump, 9 and a liquid discharge pipe, 10, a second valve on the liquid discharge pipe, 11, an aeration head, 12, a motor, 13, stirring blades, 14, a rotating shaft, 15, a fan, 16, a second flow valve and a flowmeter, 17, a first flow valve and a flowmeter.
Detailed Description
For a better description of the objects, technical solutions and advantages of the present utility model, the present utility model will be further described with reference to the following specific examples.
Example 1
As the exhaust gas purification device provided by the embodiment of the utility model, the purification device comprises a spray tower (1), wherein the spray tower (1) is sequentially provided with an exhaust gas inlet (2), an overflow pipe (3), a packing layer (4), a spray header (5) and an exhaust port (6) from bottom to top, the spray header (5) is externally connected with a spray liquid storage tank or a spray liquid storage tank (7), the overflow pipe (3) of the spray tower (1) is kept at a certain vertical distance from the bottom of the spray tower (1), the height of the overflow pipe (3) is higher than that of the exhaust gas inlet (2), the overflow pipe (3) is communicated with the inside and the outside of the spray tower (1), a first valve is arranged on the overflow pipe (3), the bottommost part of the spray tower (1) is further provided with a liquid discharge pipe (9) and a second valve (10) arranged on the liquid discharge pipe (9), and the exhaust gas inlet (2) of the spray tower is communicated with a fan (15).
The operation method of the waste gas purifying device provided by the embodiment of the utility model is that the second valve on the drain pipe at the bottommost part of the spray tower is closed, the first valve on the overflow pipe is opened, and spray liquid is input into the spray tower in advance to submerge the overflow pipe. Then the spray header is opened, waste gas is input from the waste gas inlet of the spray tower, and because spray liquid is deposited in advance at the bottom of the spray tower, the height of the waste gas inlet is lower than that of the overflow pipe, the waste gas forms an aeration effect, and not only can the pollutant gas in part of waste gas be removed through the spray liquid, but also solid substances such as particles and dust in the waste gas can be removed in advance when the waste gas passes through the spray liquid deposited at the bottom, and when the waste gas further meets the spray liquid falling through the spray header through the packing layer, the solid substances such as particles and dust are prevented from blocking the packing layer when the waste gas passes through the packing layer, so that the spray removal efficiency is improved, and the blocking of the packing layer is avoided. And when the spray header is started to spray, the overflow flow of the spray liquid of the overflow pipe is regulated to be not more than the flow of the spray liquid entering the spray header, the spray liquid at the bottom of the deposition spray tower always submerges the overflow pipe, and the overflow of waste gas from the overflow pipe is avoided. In addition, the overflow pipe is arranged to enable part of spray liquid and solid matters containing particles and dust to be deposited at the bottom of the spray tower, and most of spray liquid can be recycled after overflowing from the overflow pipe. Avoiding pollution caused by recycling all spray liquid.
Further, the vertical distance between the overflow pipe (3) of the spray tower (1) and the bottom of the spray tower (1) is 1/20-1/5 of the height of the spray tower (1).
When the vertical distance between the overflow pipe of the spray tower of the waste gas purifying device and the bottom of the spray tower is 1/20-1/5 of the height of the spray tower, the overflow effect and the aeration effect of waste gas entering the bottom of the spray tower are better, and the removal effect of solid particles and dust in the waste gas is improved.
Further, the purification device also comprises a spray liquid storage tank or a spray liquid storage tank (7), and the overflow pipe (3) is communicated with the spray liquid storage tank or the spray liquid storage tank (7) through a pipeline.
The waste gas purification device provided by the embodiment of the utility model is communicated with the spray liquid storage tank or the spray liquid storage tank through the overflow pipe, so that the spray liquid is recycled, and particles and dust are deposited on the circulating liquid deposited at the bottom of the spray tower, so that spray liquid pollution caused by the recycling of the spray liquid is avoided.
Further, the spray header (5) is externally connected with a spray liquid storage tank or a spray liquid storage tank (7) through an infusion pump (8).
Further, a plurality of aeration heads (11) are arranged below the packing layer (4) of the spray tower (1), the aeration heads (11) are communicated with the waste gas inlet (2) of the spray tower, and the position of the aeration heads (11) is lower than that of the overflow pipe (3).
The exhaust gas purification device provided by the embodiment of the utility model has the advantages that the aeration head is arranged to enable the gas to be more dispersed, and the effect of removing solid particles and dust in the exhaust gas is better.
Further, the aeration heads (11) are arranged in an array.
Further, the vertical distance between the aeration head (11) and the overflow pipe (3) is 1/20-1/6 of the height of the spray tower (1).
According to the waste gas purifying device disclosed by the embodiment of the utility model, through the arrangement of the vertical distance between the aeration head and the overflow pipe, the overflow effect and the aeration effect of waste gas entering the bottom of the spray tower are better, and the removal effect of solid particles and dust in the waste gas is improved. The pollution of circulating spray liquid caused by the disturbance of deposited particles and dust entering the spray liquid storage tank from the overflow pipe is avoided.
Further, the bottom of the spray tower (1) is provided with a stirring mechanism, the stirring mechanism comprises stirring blades (13), a rotating shaft (14) and a motor (12), and the height of the stirring blades (13) is lower than that of the overflow pipe (3).
After the exhaust gas purification device disclosed by the embodiment of the utility model is operated for a period of time, a large amount of particles and dust can be precipitated at the bottom, at the moment, the operation is stopped, the stirring mechanism is started, and the second valve on the liquid discharge pipe at the bottommost part of the spray tower is opened to discharge the spray liquid, the particles and the dust which are deposited at the bottom. Restarting the operation.
Further, a first flow valve and a flowmeter (17) are arranged on a main pipeline between the spray header (5) and the spray liquid storage tank or the spray liquid storage tank (7), and a second flow valve and a flowmeter (16) are arranged on the overflow pipe (3).
According to the waste gas purifying device disclosed by the embodiment of the utility model, the first flow valve, the flowmeter, the second flow valve and the flowmeter are used for controlling the overflow pipe to overflow the flow of the spray liquid, so that the flow of the spray liquid entering the spray header is not larger than the flow of the liquid deposited at the bottom of the spray header, and the liquid deposited at the bottom of the spray header always passes through the overflow pipe during operation, thereby avoiding the overflow of waste gas from the overflow pipe.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted equally without departing from the spirit and scope of the technical solution of the present utility model.
Claims (9)
1. The utility model provides a waste gas purification device, its characterized in that, purifier includes the spray column, the spray column is by supreme waste gas import, overflow pipe, packing layer, shower head, the gas vent of setting gradually down, the external spray liquid storage tank of shower head or spray liquid storage tank, the overflow pipe of spray column keeps certain perpendicular distance from the bottom of spray column, the height of overflow pipe is higher than waste gas import's height, inside and outside of overflow pipe intercommunication spray column just be provided with first valve on the overflow pipe, the spray column bottom still is provided with the fluid-discharge tube and sets up the second valve on the fluid-discharge tube, the waste gas import intercommunication fan of spray column.
2. The exhaust gas purification device according to claim 1, wherein the vertical distance from the overflow pipe of the spray tower to the bottom of the spray tower is 1/20 to 1/5 of the height of the spray tower.
3. The exhaust gas purification device of claim 1, further comprising a spray liquid reservoir or spray liquid reservoir, wherein the overflow pipe is in line communication with the spray liquid reservoir or spray liquid reservoir.
4. The exhaust gas purifying apparatus according to claim 1, wherein the shower head is externally connected to a shower liquid reservoir or a shower liquid reservoir through an infusion pump.
5. The exhaust gas purification device according to claim 1, wherein a plurality of aeration heads are further arranged below the packing layer of the spray tower, the aeration heads are communicated with the exhaust gas inlet of the spray tower, and the position of the aeration heads is lower than that of the overflow pipe.
6. The exhaust gas purifying apparatus according to claim 5, wherein the aeration heads are arranged in an array.
7. The exhaust gas purifying apparatus according to claim 5, wherein a vertical distance between the aeration head and the overflow pipe is 1/20 to 1/6 of a height of the spray tower.
8. The exhaust gas purifying apparatus according to claim 1, wherein the spray tower bottom is provided with a stirring mechanism including a stirring blade, a rotating shaft, and a motor, the stirring blade being lower in height than the overflow pipe.
9. The exhaust gas purifying apparatus according to claim 1, wherein a first flow valve and a flow meter are provided on a main pipeline between the shower head and the shower liquid reservoir or the shower liquid reservoir, and a second flow valve and a flow meter are provided on the overflow pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322394432.2U CN220861039U (en) | 2023-09-05 | 2023-09-05 | Waste gas purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322394432.2U CN220861039U (en) | 2023-09-05 | 2023-09-05 | Waste gas purifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220861039U true CN220861039U (en) | 2024-04-30 |
Family
ID=90818936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322394432.2U Active CN220861039U (en) | 2023-09-05 | 2023-09-05 | Waste gas purifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220861039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118807454A (en) * | 2024-07-10 | 2024-10-22 | 江苏生久环境科技有限公司 | A biological filter system with a wide-area spraying device |
-
2023
- 2023-09-05 CN CN202322394432.2U patent/CN220861039U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118807454A (en) * | 2024-07-10 | 2024-10-22 | 江苏生久环境科技有限公司 | A biological filter system with a wide-area spraying device |
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