CN214159144U - Municipal administration sewage pump station foul smell processing apparatus - Google Patents
Municipal administration sewage pump station foul smell processing apparatus Download PDFInfo
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- CN214159144U CN214159144U CN202022766694.3U CN202022766694U CN214159144U CN 214159144 U CN214159144 U CN 214159144U CN 202022766694 U CN202022766694 U CN 202022766694U CN 214159144 U CN214159144 U CN 214159144U
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Abstract
The application discloses municipal administration sewage pump station odor treatment device, including back caustic wash tower, nanometer photocatalysis deodorization equipment and caustic wash tower in advance, the gas outlet of caustic wash tower in advance with the air inlet of nanometer photocatalysis deodorization equipment meets, the gas outlet of nanometer photocatalysis deodorization equipment with the air inlet of back caustic wash tower meets. The utility model discloses following beneficial effect has: the acid gas, the alkaline gas and the volatile organic compounds in the gas are thoroughly decomposed by the treatment of the three steps of alkali adsorption treatment, decomposition treatment on strong oxidizing substances such as hydroxyl free radicals and the like, and final alkali adsorption treatment, and the gas does not have pungent smell after the treatment of the three steps.
Description
Technical Field
The utility model relates to a gas treatment field especially relates to a municipal administration sewage pump station foul smell processing apparatus.
Background
The municipal sewage pump station is a key link in a municipal drainage system and is an essential component for ensuring the safe operation of the system. Along with the continuous development of urban construction, sensitive facilities such as residential districts, commercial squares, schools and the like around the municipal sewage pumping station are more and more. Therefore, the problem of disturbing residents caused by odor dissipation of the sewage pumping station is increasingly prominent.
Odor of the municipal sewage pump station mainly comes from the grid and the access hole of the submersible pump. During the long-distance anoxic conveying process, N, S-containing organic matters in the sewage are easily decomposed into malodorous substances. Most of grid channels in pump stations are open, and odor can be emitted when a grid cleaner is used for removing grid slag; when the pump station water pump unit is started to operate and causes the water body to be turbulent, the original odorous substances which are generated and dissolved in the sewage can escape from the grid channel or the submerged pump manhole and are emitted into the air.
At present stage municipal administration sewage pump station deodorization mainly adopts biological deodorization to handle and high energy ion deodorization handles, can reduce the production of foul smell to a certain extent, but the volatility of deodorization effect is big and the deodorization is not thorough, is difficult to solve the foul smell and disturbs the people problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above problem, a municipal administration sewage pump station odor treatment device is proposed.
The utility model adopts the following technical scheme:
the utility model provides a municipal administration sewage pump station foul smell processing apparatus, includes back alkaline washing tower, nanometer photocatalysis deodorization equipment and alkali wash tower in advance, the gas outlet of alkali wash tower in advance with the air inlet of nanometer photocatalysis deodorization equipment meets, the gas outlet of nanometer photocatalysis deodorization equipment with the air inlet of back alkaline washing tower meets.
Because the gas obtained from the municipal sewage pumping station contains more acidic irritant gas (namely odor), and the acidic irritant gas enters the nano photocatalytic deodorization equipment to cause corrosion of the equipment in the nano photocatalytic deodorization equipment, the acidic gas (including volatile thiol substances) is adsorbed by an alkali solution, so that the gas entering the nano photocatalytic deodorization equipment hardly contains acidic gas, most volatile organic compounds are decomposed into inorganic oxides (mainly carbon dioxide) and water under the decomposition action of the nano photocatalytic deodorization equipment, and finally the gas flow decomposed by the nano photocatalytic deodorization equipment enters a rear alkaline tower, so that less two residual alkaline gases and nitrogen oxides are easily adsorbed by acid, and the gas discharged into the air does not contain nitrogen oxides of the irritant gas.
In summary, in the above structure, the acidic gas, the basic gas and the volatile organic compounds in the gas are thoroughly decomposed by the three steps of alkali adsorption treatment, decomposition treatment of the strong oxidizing substances such as hydroxyl radicals and the like, and finally alkali adsorption treatment, and the gas does not have pungent odor after the three steps of treatment.
Optionally, a spray header and a packed bed are arranged in the rear alkaline tower, and a spray header and a packed bed are arranged in the pre-alkaline tower.
The spray header and the packed bed are arranged to increase the contact area and the contact time of the gas and the alkali solution, so that the absorption effect of the alkali solution and the alkali solution on the gas can be greatly improved.
Optionally, the system further comprises a second alkaline solution storage tank, a first alkaline solution storage tank and a metering pump, wherein the second alkaline solution storage tank is communicated with the rear alkaline tower through the metering pump and a pipeline, and the first alkaline solution storage tank is communicated with the pre-alkaline tower through the metering pump and a pipeline.
Optionally, two rows of spray headers and two layers of packed beds are arranged in the rear alkaline tower; two rows of spray headers and two layers of packed beds are arranged in the pre-alkaline washing tower.
Two rows of spray headers and two layers of packed beds are arranged, so that the flowing length of gas in the tank can be improved as much as possible under the condition of a short tower body height, and the adsorption strength of the gas in unit time is improved under the condition of a tower body length which is as short as possible.
Optionally, a dry-type filtering module, a nano-photocatalytic module and an illumination module are arranged in the nano-photocatalytic deodorization device, the dry-type filtering module, the nano-photocatalytic module and the illumination module are all arranged in the nano-photocatalytic deodorization device, and the dry-type filtering module is located between an air inlet of the nano-photocatalytic deodorization device and the nano-photocatalytic module.
The nanometer photocatalysis module and the illumination module are used for decomposing strong oxidation substances such as hydroxyl free radicals, and the dry type filtering module is used for adsorbing moisture and dust in gas, so that the gas is kept dry and clean, and water vapor and dust residues in the nanometer photocatalysis deodorization equipment are avoided.
Optionally, the system further comprises a centrifugal fan, wherein the centrifugal fan is connected with an air outlet of the rear alkaline tower, and the centrifugal fan is used for extracting air in the rear alkaline tower.
The centrifugal fan is used for ensuring that the gas can sequentially pass through the pre-alkaline washing tower, the nano photocatalytic deodorization equipment and the post-reduction washing tower.
Optionally, the structure of the post caustic tower is the same as that of the pre-caustic tower.
Optionally, the system further comprises a circulating pump, wherein the rear alkaline washing tower and the pre-alkaline washing tower are both connected with and provided with a circulating pump, and the circulating pump is used for promoting liquid circulation inside the rear alkaline washing tower and the pre-alkaline washing tower.
The circulating pump is used for circulating between the tower bottom and the spray header, and the absorption efficiency of the alkali solution is improved.
The utility model has the advantages that: the acid gas, the alkaline gas and the volatile organic compounds in the gas are thoroughly decomposed by the treatment of the three steps of alkali adsorption treatment, decomposition treatment on strong oxidizing substances such as hydroxyl free radicals and the like, and final alkali adsorption treatment, and the gas does not have pungent smell after the treatment of the three steps.
Description of the drawings:
FIG. 1 is a schematic diagram of an odor treatment device of a municipal sewage pumping station,
the figures are numbered: 1. the device comprises a first alkali liquor storage tank, 2, a metering pump, 3, a circulating pump, 4, a pre-alkaline washing tower, 5, a spray header, 6, a packed bed, 7, nano-photocatalysis deodorization equipment, 701, a dry-type filtering module, 702, a nano-photocatalysis module, 8, a second alkali liquor storage tank, 9, a post-alkaline washing tower, 10 and a centrifugal fan.
The specific implementation mode is as follows:
the present invention will be described in detail with reference to the accompanying drawings.
As shown in the attached figure 1, the odor treatment device for the municipal sewage pump station comprises a rear alkaline washing tower 9, a nano photocatalytic deodorization device 7 and a pre-alkaline washing tower 4, wherein an air outlet of the pre-alkaline washing tower 4 is connected with an air inlet of the nano photocatalytic deodorization device 7, and an air outlet of the nano photocatalytic deodorization device 7 is connected with an air inlet of the rear alkaline washing tower 9.
Because the gas obtained by the municipal sewage pumping station contains more acidic irritant gas (i.e. odor), the acidic irritant gas entering the nano photocatalytic deodorization device 7 can cause the devices in the nano photocatalytic deodorization device 7 to be corroded, therefore, the acid gases (including volatile thiol substances) are adsorbed by the alkali solution, so that the gases entering the nano photocatalytic deodorization device 7 hardly contain the acid gases, most volatile organic compounds are decomposed into inorganic oxides (mainly carbon dioxide) and water under the decomposition action of the nano photocatalytic deodorization device 7, finally, airflow decomposed by the nano photocatalytic deodorization device 7 enters a rear alkaline tower 9, few two residual alkaline gases (which can be dissolved in alkaline solution) and nitrogen oxides are easily adsorbed by alkali, and finally, the gas discharged into the air does not contain the nitrogen oxides of irritant gases.
In summary, in the above structure, the acidic gas, the basic gas and the volatile organic compounds in the gas are thoroughly decomposed by the three steps of the alkali adsorption treatment, the decomposition treatment of the strongly oxidizing substance such as hydroxyl radical, and the final alkali adsorption treatment, and the gas does not have pungent odor after the three steps of the treatment.
As shown in the attached figure 1, a spray header 5 and a packed bed 6 are arranged in the rear alkaline tower 9, and a spray header 5 and a packed bed 6 are arranged in the pre-alkaline tower 4.
The shower head 5 and the packed bed 6 are provided to increase the contact area and contact time of the gas with the alkali solution and the alkaline solution, so that the absorption effect of the alkaline solution and the alkaline solution on the gas can be greatly improved.
As shown in the attached figure 1, the system also comprises a second alkali liquor storage tank 8, a first alkali liquor storage tank 1 and a metering pump 2, wherein the second alkali liquor storage tank 8 is communicated with a rear alkali washing tower 9 through the metering pump 2 and a pipeline, and the first alkali liquor storage tank 1 is communicated with a pre-alkali washing tower 4 through the metering pump 2 and a pipeline.
As shown in attached figure 1, two rows of spray headers 5 and two layers of packed beds 6 are arranged in the rear alkaline tower 9; two rows of spray headers 5 and two layers of packed beds 6 are arranged in the pre-alkaline washing tower 4.
Two rows of spray headers 5 and two layers of packed beds 6 are arranged, so that the flowing length of gas in the tank can be improved as much as possible under the condition of a short tower body height, and the adsorption strength of the gas in unit time is improved under the condition of a tower body length which is as short as possible.
As shown in fig. 1, a dry-type filtering module 701, a nano-photocatalytic module 702 and an illumination module are disposed in the nano-photocatalytic deodorization device 7, the dry-type filtering module 701, the nano-photocatalytic module 702 and the illumination module are disposed in the nano-photocatalytic deodorization device 7, and the dry-type filtering module 701 is disposed between an air inlet of the nano-photocatalytic deodorization device 7 and the nano-photocatalytic module 702.
The nano photocatalytic module 702 and the illumination module are used for decomposing strong oxidizing substances such as hydroxyl radicals and the like, and the dry filter module 701 is used for adsorbing moisture and dust in the gas, so that the gas is kept dry and clean, and water vapor and dust residues in the nano photocatalytic deodorization device 7 are avoided.
As shown in the attached figure 1, the device also comprises a centrifugal fan 10, wherein the centrifugal fan 10 is connected with an air outlet of the rear alkaline tower 9, and the centrifugal fan 10 is used for extracting odor in the rear alkaline tower 9.
The centrifugal fan 10 is used for ensuring that the gas can sequentially pass through the pre-alkaline washing tower 4, the nano photocatalytic deodorization device 7 and the post-reduction washing tower.
As shown in fig. 1, the structure of the post caustic tower 9 corresponds to the structure of the pre-caustic tower 4.
As shown in the attached figure 1, the circulating pump 3 is further included, the circulating pump 3 is connected to both the rear alkaline tower 9 and the pre-alkaline tower 4, and the circulating pump 3 is used for promoting the liquid circulation inside the rear alkaline tower 9 and the pre-alkaline tower 4.
The circulation pump 3 is provided to circulate between the column bottom and the shower head 5, thereby improving the adsorption efficiency of the alkali solution.
It should be noted that the arrows in fig. 1 indicate the liquid flow direction, and the arrows in the half indicate the gas flow direction.
The specific light source module adopts LED anti-corrosion lamp beads (emitting ultraviolet rays), the used light source can concentrate 95% of light energy in a specific area, the excitation intensity matching performance is strong, the catalyst efficiency is improved, and no ozone exists.
The aforesaid only is the preferred embodiment of the utility model discloses a not consequently restrict promptly the utility model discloses a patent protection scope, all applications the utility model discloses the equivalent transform that the specification was done, direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses a protection scope.
Claims (8)
1. The odor treatment device for the municipal sewage pump station is characterized by comprising a rear alkaline tower, a nano photocatalytic deodorization device and a pre-alkaline tower, wherein an air outlet of the pre-alkaline tower is connected with an air inlet of the nano photocatalytic deodorization device, and an air outlet of the nano photocatalytic deodorization device is connected with an air inlet of the rear alkaline tower.
2. The municipal sewage pump station odor treatment device according to claim 1, wherein a spray header and a packed bed are provided in the post caustic tower, and a spray header and a packed bed are provided in the pre-caustic tower.
3. The municipal sewage pump station odor treatment device according to claim 1, further comprising a second lye storage tank, a first lye storage tank and a metering pump, wherein the second lye storage tank is in communication with the post-caustic tower through the metering pump and a pipeline, and the first lye storage tank is in communication with the pre-caustic tower through the metering pump and a pipeline.
4. The municipal sewage pump station odor treatment plant of claim 2, wherein two rows of spray headers and two layers of packed beds are provided in the rear caustic tower; two rows of spray headers and two layers of packed beds are arranged in the pre-alkaline washing tower.
5. The municipal sewage pump station odor treatment apparatus according to claim 1, wherein a dry filtration module, a nano-photocatalytic module and a lighting module are disposed in the nano-photocatalytic deodorization device, the dry filtration module, the nano-photocatalytic module and the lighting module are disposed in the nano-photocatalytic deodorization device, and the dry filtration module is disposed between an air inlet of the nano-photocatalytic deodorization device and the nano-photocatalytic module.
6. The municipal sewage pump station odor treatment plant of claim 1, further comprising a centrifugal fan, wherein the centrifugal fan is connected to the air outlet of the rear caustic tower, and the centrifugal fan draws off odor from the rear caustic tower.
7. The municipal sewage pump station odor treatment plant of claim 1, wherein the post-caustic tower has a configuration that is identical to the configuration of the pre-caustic tower.
8. The municipal sewage pump station odor treatment device according to claim 4, further comprising a circulation pump, wherein the rear caustic tower and the pre-caustic tower are both connected with the circulation pump, and the circulation pump is used for promoting the circulation of liquid inside the rear caustic tower and the pre-caustic tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022766694.3U CN214159144U (en) | 2020-11-25 | 2020-11-25 | Municipal administration sewage pump station foul smell processing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022766694.3U CN214159144U (en) | 2020-11-25 | 2020-11-25 | Municipal administration sewage pump station foul smell processing apparatus |
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| CN214159144U true CN214159144U (en) | 2021-09-10 |
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| CN202022766694.3U Active CN214159144U (en) | 2020-11-25 | 2020-11-25 | Municipal administration sewage pump station foul smell processing apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797453A (en) * | 2022-04-18 | 2022-07-29 | 龙南友力稀土科技开发有限公司 | Environment-friendly utilization equipment for volatile organic compounds in rare earth smelting and use method thereof |
| CN117180962A (en) * | 2023-09-07 | 2023-12-08 | 苏州绿朗环境科技有限公司 | Malodorous waste gas treatment method for high-concentration sewage station |
-
2020
- 2020-11-25 CN CN202022766694.3U patent/CN214159144U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797453A (en) * | 2022-04-18 | 2022-07-29 | 龙南友力稀土科技开发有限公司 | Environment-friendly utilization equipment for volatile organic compounds in rare earth smelting and use method thereof |
| CN117180962A (en) * | 2023-09-07 | 2023-12-08 | 苏州绿朗环境科技有限公司 | Malodorous waste gas treatment method for high-concentration sewage station |
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