CN216703906U - Biological deodorizing device for sewage treatment plant - Google Patents
Biological deodorizing device for sewage treatment plant Download PDFInfo
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- CN216703906U CN216703906U CN202121640874.5U CN202121640874U CN216703906U CN 216703906 U CN216703906 U CN 216703906U CN 202121640874 U CN202121640874 U CN 202121640874U CN 216703906 U CN216703906 U CN 216703906U
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- 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
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- 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
Abstract
The utility model discloses a biological deodorization device for a sewage treatment plant, which comprises a medicament washing mechanism, a water washing mechanism and a biological filtering mechanism. The odor is sucked by a centrifugal fan and then enters a medicament washing mechanism, gas is pretreated in a liquid medicament spraying mode, and most of acid (alkaline) substances are removed through chemical neutralization reaction; then the odor enters a water washing mechanism, the gas is humidified and dedusted by adopting a reclaimed water or tap water spraying mode to ensure the humidity of the waste gas entering the biological filter, the humidified gas enters a main biological filter for deodorization reaction, a spray liquid collecting and circulating system and an odor distributing system are arranged at the bottom of the biological filter, a biological filter spray pipe is arranged at the upper part, and microorganisms for degrading the odor are arranged in the biological filter. The purified gas is discharged through the exhaust air pipe to reach the standard, the air is purified, the redundant spray water in the biological filter flows into the water tank of the biological filter, and the spray water can be recycled and is more environment-friendly. Low operation cost, long service life and good deodorization effect.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to a biological deodorization device for a sewage treatment plant.
Background
The odor gas refers to all gas substances which stimulate the olfactory organs of human beings to cause unpleasantness and damage to the living environment. Malodorous gases are rich in components, but generally fall into three general categories: compounds containing sulfur (hydrogen sulfide, methyl mercaptan, methyl sulfide); ② nitrogen-containing compounds (such as ammonia, amines, amides, indoles, etc.); and organic compounds (such as alcohol, phenol, aldehyde, ketone, organic acid and the like) consisting of carbon, hydrogen and oxygen. Wherein hydrogen sulfide and ammonia are the main constituents of the foul smell of sewage plants.
In a sewage treatment plant adopting a secondary biological treatment process, a pretreatment part grid channel, a lifting pump station, a water collecting tank, a sand settling tank, an anaerobic section in a biological reaction tank, a sludge concentration tank, a sludge storage tank and a sludge dewatering room in a sludge treatment system are main sources of malodorous gas and are the key points of deodorization.
At present, the methods for treating the odor of the sewage plant mainly comprise a chemical absorption method, a physical absorption method, a combustion method, a low-temperature plasma method and the like. The methods have the problems of high investment cost, large occupied area, high operating cost, unstable treatment effect, easy generation of secondary pollution and the like in different degrees.
Therefore, the development of a biological deodorization device for a sewage treatment plant, which has long service life, good treatment effect and simple operation, is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to achieve the purpose, the utility model provides a biological deodorization device for a sewage treatment plant, which improves the gas deodorization absorption rate.
A biological deodorization device for a sewage treatment plant comprises a medicament washing mechanism, a water washing mechanism and a biological filtering mechanism; the odor collected by the odor collecting system sequentially passes through the medicament washing mechanism, the water washing mechanism and the biological filtering mechanism;
furthermore, the agent washing mechanism comprises an air inlet pipe, a centrifugal fan and a drug washing spray tank, wherein odor collected by the odor collecting system enters the centrifugal fan through the air inlet pipe, and enters the drug washing spray tank through an internal connecting air pipe after being sucked by the centrifugal fan;
the agent washing mechanism further comprises a first circulating pump and a drug washing box.
Further, the water washing mechanism comprises a water washing spray tank; after the odor discharged from the drug washing spray tank enters the water washing spray tank, a first circulating pump is adopted to pump water or tap water to humidify and remove dust of the odor;
the water washing mechanism comprises a second circulating pump and a water washing tank.
Further, biofiltration mechanism includes biological filter, and the foul smell process get into behind the humidification in washing spray pond biological filter, biological filter's bottom of the pool is equipped with and sprays liquid collection circulation system and foul smell gas distribution system, and upper portion is equipped with biological filter shower, be provided with the microorganism that is used for degrading the foul smell in the biological filter.
The biological filtering mechanism comprises a third circulating pump and a biological filter tank;
furthermore, a mixing tank is arranged between the air inlet pipe and the centrifugal fan, a sludge inlet pipe is arranged at the front end of the mixing tank, a sludge switch lead-out valve is arranged on the lower side of the mixing tank, and a sludge collecting hopper is arranged below the sludge switch lead-out valve;
still be provided with the washing of chemicals drain on the case is washed to the medicine, the spraying pond is washed to the inside washing of medicines shower that still is provided with of will washing, the spraying pond bottom is washed to the medicine still is provided with the washing of chemicals shower pond drain.
Further, still be provided with the washing case drain on the washing case, be provided with the washing shower in the washing shower pond, the bottom in washing shower pond still is provided with the washing shower pond drain.
Furthermore, a biofilter water drain outlet is also formed in the biological water filtering tank, and a biofilter drain outlet is also formed in the bottom end of the biofilter.
Furthermore, the drug washing tank, the water washing tank and the biological filter tank are all provided with water supply ports.
Compared with the existing sewage treatment biological deodorization device, the utility model has the following technical effects and advantages: odor collected in a sewage treatment plant of the device passes through the agent washing mechanism, the water washing mechanism and the biological filtering mechanism, so that the odor absorption rate is high; redundant spray water in the biological filter flows into a water tank of the biological filter, so that the spray water is recycled and is more environment-friendly; has the advantages of dehydration, recycling of spray water, simple operation, low operation cost, long service life and good treatment effect.
Drawings
FIG. 1 is a front view of a biological deodorization apparatus for a sewage plant according to the present invention;
FIG. 2 is a top view of the bio-deodorizing apparatus for sewage plants according to the present invention.
Description of reference numerals:
1. an air inlet duct; 2. a centrifugal fan; 3. the interior of the air pipe is connected with an air pipe; 4. a drug washing spray tank; 5. washing the spray tank with water; 6. a biological filter; 7. an exhaust air duct; 8. a first circulation pump; 9. washing the box with medicine; 10. a water supply pipeline; 11. a drug washing water discharge outlet; 12. a second circulation pump; 13. a water washing tank; 14. a drain outlet of the washing tank; 15. a third circulation pump; 16. a biological filter tank; 17. a sewage draining outlet of the biological filter; 18. a sewage discharge outlet of the drug washing spray tank; 19. a drain outlet of the water washing spray tank; 20. a sewage outlet of the biological filter; 21. washing the spray pipe with the medicine; 22. washing the spray pipe with water; 23. a biological filter spray pipe; 24. a water supply port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of the present invention, not full embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A biological deodorization device for a sewage treatment plant comprises a medicament washing mechanism, a water washing mechanism and a biological filtering mechanism; the odor collected by the odor collecting system sequentially passes through the medicament washing mechanism, the water washing mechanism and the biological filtering mechanism.
Specifically, the agent washing mechanism comprises an air inlet pipe 1, a centrifugal fan 2 and a drug washing spray tank 4, wherein odor collected by the odor collecting system enters the centrifugal fan 2 through the air inlet pipe 1, and enters the drug washing spray tank 4 through an internal connecting air pipe 3 after being sucked by the centrifugal fan;
the agent washing mechanism further comprises a first circulating pump 8 and an agent washing tank 9.
Specifically, the washing mechanism includes a washing shower 5; after the odor discharged from the drug washing spray tank enters the water washing spray tank 5, the water or tap water is pumped by a water washing circulating pump 8 to humidify and remove dust;
the water washing mechanism includes a second circulation pump 12 and a water washing tank 13.
Specifically, biofiltration mechanism includes biofilter 6, and the foul smell gets into biofilter 6 after the humidification of washing shower 5, biofilter 6's bottom of the pool is equipped with sprays liquid and collects circulation system and foul smell gas distribution system, and upper portion is equipped with biofilter shower 23, is provided with the microorganism that is used for degrading the foul smell in biofilter 6.
The biological filtering mechanism comprises a third circulating pump 15 and a biological filter tank 16.
Specifically, a mixing tank is also arranged between the air inlet pipe 1 and the centrifugal fan 2, a sludge inlet pipe is arranged at the front end of the mixing tank, a sludge switch leading-out valve is arranged at the lower side of the mixing tank, and a sludge collecting hopper is arranged below the sludge switch leading-out valve;
the chemical washing box 9 is also provided with a chemical washing water discharge outlet 11, the inside of the to-be-washed spray pond 4 is also provided with a chemical washing spray pipe 21, and the bottom end of the chemical washing spray pond 4 is also provided with a chemical washing spray pond discharge outlet 18.
Specifically, a sewage discharge outlet 14 of the washing tank is further formed in the washing tank 13, a washing spray pipe 22 is arranged in the washing spray pond 5, and a sewage discharge outlet 19 of the washing spray pond is further formed in the bottom end of the washing spray pond 5.
Specifically, the biological water filtering tank 16 is further provided with a biological filter tank water drainage port 17, and the bottom end of the biological filter tank 6 is further provided with a biological filter tank drainage port 20. The biological filter is connected with a biological filter water tank, water sprayed with biologically filtered microorganisms is stored in the biological filter and flows into the biological filter water tank, and the sprayed water can be recycled.
Furthermore, the chemical washing tank 9, the washing tank 13 and the biological filter tank 16 are all provided with water supply ports 24, and the water supply ports 24 are all connected with external water supply places through water supply pipelines 10.
When the device works, odor in a sewage treatment plant is extracted into the centrifugal fan 2 through the air inlet pipe 1, wherein a mixing tank is also arranged between the air inlet pipe 1 and the centrifugal fan 2, a sludge inlet pipe is arranged at the front end of the mixing tank, a sludge switch leading-out valve is arranged at the lower side of the mixing tank, and a sludge collecting hopper is arranged below the sludge switch leading-out valve; the sludge is discharged into a sludge hopper. Then gas enters the drug washing spray tank 4 through the internal connection air pipe 3, and sprays gas through the drug washing spray pipe 21 under the action of the drug washing tank 9 and the first circulating pump 8, and the gas is pretreated by adopting a liquid medicine spraying mode at the stage, and most of acid (alkali) substances are removed through chemical neutralization reaction.
And then, under the action of a second circulating pump 12, a water washing tank 13 and a water washing spray pipe 22, the gas is subjected to humidification and dust removal treatment in the water washing spray tank 5, so that the humidity of the gas entering the biological filter is ensured.
Then, the gas passes through the biological filter 6, microorganisms for absorbing and explaining odor are arranged in the biological filter 6 under the action of a third circulating pump 15, a biological filter water tank 16 and a biological filter spray pipe 23, the gas is biologically purified, and the purified gas is discharged up to the standard through an exhaust air pipe 7, so that the effect of deodorizing and purifying the gas in a sewage treatment plant is realized, the discharged gas does not pollute the environment, and the air is purified. The redundant spray water in the biological filter flows into the water tank of the biological filter, and the spray water can be recycled.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (8)
1. A biological deodorization device for a sewage treatment plant is characterized by comprising a medicament washing mechanism, a water washing mechanism and a biological filtering mechanism; odor collected in a sewage treatment plant sequentially passes through the medicament washing mechanism, the water washing mechanism and the biological filtering mechanism;
the drug washing mechanism comprises an air inlet pipe (1), a centrifugal fan (2) and a drug washing spray tank (4), wherein odor collected by an odor collecting system enters the centrifugal fan (2) through the air inlet pipe (1), and enters the drug washing spray tank (4) through an internal connecting air pipe (3) after being sucked by the centrifugal fan;
the water washing mechanism comprises a water washing spray tank (5); the odor discharged from the drug washing spray tank enters the water washing spray tank (5) and then is humidified and dedusted;
biofiltration mechanism includes biological filter (6), and the foul smell passes through get into behind the humidification in washing spray pond (5) biological filter (6), the bottom of the pool of biological filter (6) is equipped with sprays liquid and collects circulation system and foul smell gas distribution system, and upper portion is equipped with biological filter shower (23), be provided with the microorganism that is used for degrading the foul smell in biological filter (6).
2. The biological deodorization apparatus of a sewage treatment plant according to claim 1, wherein the chemical washing mechanism further comprises a first circulation pump (8) and a chemical washing tank (9), and the first circulation pump (8) pumps water or tap water to humidify and remove dust from odor.
3. The sewage treatment plant bioremediation device of claim 1, wherein the water wash mechanism includes a second circulation pump (12) and a water wash tank (13).
4. The sewage treatment plant bioremediation apparatus of claim 1, wherein the biofiltration means includes a third circulation pump (15) and a biofilter tank (16).
5. The biological deodorization apparatus of a sewage treatment plant according to claim 2, wherein a mixing tank is arranged between the air inlet pipe (1) and the centrifugal fan (2), a sludge inlet pipe is arranged at the front end of the mixing tank, a sludge switch lead-out valve is arranged at the lower side of the mixing tank, and a sludge collecting hopper is arranged below the sludge switch lead-out valve;
still be provided with medicine washing water drain (11) on medicine washing case (9), medicine washing shower (4) inside still is provided with medicine washing shower (21), medicine washing shower (4) bottom still is provided with medicine washing shower drain (18).
6. The biological deodorization apparatus for sewage treatment plants according to claim 3, wherein the washing tank (13) is further provided with a washing tank drain outlet (14), the washing spray tank (5) is internally provided with a washing spray pipe (22), and the bottom end of the washing spray tank (5) is further provided with a washing spray tank drain outlet (19).
7. The biological deodorization apparatus of a sewage treatment plant according to claim 4, wherein the biological filter tank (16) is further provided with a biological filter water drain (17), and the bottom end of the biological filter (6) is further provided with a biological filter drain (20).
8. The sewage treatment plant bio-deodorizing device according to any one of claims 2 to 4, characterized in that a water supply port (24) is further provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121640874.5U CN216703906U (en) | 2021-07-19 | 2021-07-19 | Biological deodorizing device for sewage treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121640874.5U CN216703906U (en) | 2021-07-19 | 2021-07-19 | Biological deodorizing device for sewage treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216703906U true CN216703906U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121640874.5U Active CN216703906U (en) | 2021-07-19 | 2021-07-19 | Biological deodorizing device for sewage treatment plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216703906U (en) |
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2021
- 2021-07-19 CN CN202121640874.5U patent/CN216703906U/en active Active
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