CN104310577A - Treatment device and method for stench in sewage treatment aeration tank - Google Patents
Treatment device and method for stench in sewage treatment aeration tank Download PDFInfo
- Publication number
- CN104310577A CN104310577A CN201410585472.8A CN201410585472A CN104310577A CN 104310577 A CN104310577 A CN 104310577A CN 201410585472 A CN201410585472 A CN 201410585472A CN 104310577 A CN104310577 A CN 104310577A
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- Prior art keywords
- aeration tank
- foul smell
- spray column
- active sludge
- treatment
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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
- 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
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Treating Waste Gases (AREA)
- Activated Sludge Processes (AREA)
Abstract
The invention discloses treatment device and method for stench in sewage treatment aeration tank. The method comprises the following steps: tightly collecting at stench diffusing points, feeding the collected stench into a spray tower, washing by using active sludge mixed liquid and discharging clean air; pumping a washing liquid rich in stench component to an inlet end of the sewage treatment aeration pond and degrading the stench component by virtue of microorganisms in the aeration pond; and feeding the active sludge mixed liquor at the tail end of the aeration pond for purifying stench.
Description
Technical field
The invention belongs to field of Environment Protection, be specifically related to a kind for the treatment of unit and the method that use sewage treatment aeration tank foul smell.
Background technology
Sewage work is important municipal public use environmental protection facility, aeration tank is the core facility carrying out the dirty water decontamination handles, there is the microorganism flco of the various pollutent of a large amount of degraded in the active sludge intermixture of aeration tank, can purify the pollutent of the suspended state in sewage and solubilised state.At each position of sewage sludge process, all stench gas with foreign flavor can be distributed, must collection and treatment in addition.At sewage work's periphery, often build and have the environmental protection facilities such as sludge dewatering field, sludge drying bed, sludge incineration factory, solid waste disposal factory, changing food waste treatment plant, these facilities also all can distribute stench gas with foreign flavor, must in addition collection and treatment.
Traditional stench peculiar odor treatment method distributes each foul smell a little to administer separately, and method has soil filter tank method, biological filter process, chemical washing method, absorption method, plasma method etc., these methods often invest high, take up an area large, operational management is inconvenient.
CN102921293A discloses a kind of method of life assemblage art breading foul gas, the method gas residence time is longer, and therefore cost is higher, and zinc cation liquid bath establishes RS Regenerator Section, 1.5-3 hours RS Regenerator Section residence time, increase floor space and working cost.
CN103480240A discloses a kind of sewage work foul gas collection and purification technique, and the method is only applicable to sewage work's anaerobic pond or/and foul smell between sludge dewatering, need collect in buffer surge tank by foul smell, add investment.The volume ratio of active sludge and foul smell is at 20-25:1, and active sludge flow is excessive, and active sludge used derives from second pond, and mud is in anaerobic state through second pond storage, and self stink is larger.
CN103041696A discloses a kind of sludge treatment equipment for municipal sewage plant integration deodorizing, and foul smell is directly a little transported to aeration tank from distributing by this device, and foul smell transport pipe cost is higher.
Summary of the invention
In order to overcome the problems referred to above that prior art field exists, the object of the invention is to, a kind for the treatment of unit and the method that use sewage treatment aeration tank foul smell are provided, can sharing resources be passed through, reduce investment and take up an area, reducing working cost.
A kind for the treatment of unit using sewage treatment aeration tank foul smell provided by the invention, it comprises the aeration tank that one end is connected with sewage, second pond, some gas skirts, some spray columns, described some spray column lower ends are connected with gas skirt respectively by blower fan, described spray column is respectively equipped with spray column bottom, the recycle pump that top connects, described second pond is connected with aeration tank end, the end of inside, described aeration tank is provided with active sludge transferpump, aeration tank end is connected with the tower groove bottom some spray columns respectively by active sludge transferpump, tower groove bottom described spray column is connected with the front end of aeration tank by reflux pump.
Described active sludge transferpump is submersible sewage pump.
Described spray column is packing tower.
Use a treatment process for sewage treatment aeration tank foul smell, it comprises following concrete steps:
(1) each foul smell is distributed a little carry out airtight collection, by blower fan, the foul smell of collection is extracted from each gas skirt;
(2) by active sludge transferpump, the active sludge intermixture in aeration tank being transported to each foul smell distributes in the tower groove of spray column a little;
(3) foul smell of step (1) is sent into the bottom of spray column, active sludge mixing, washing liquid counter current contact in spray column that foul smell and recycle pump are carried, pollutent in gas phase is transferred to liquid phase, air after cleaning by spray column top discharge, or discharges after further advanced treatment;
(4) active sludge intermixture containing foul smell composition of spray column bottom column groove is delivered to front end, aeration tank by reflux pump, utilize a large amount of microorganisms in aeration tank to complete the biological degradation of foul smell composition.
The residence time of air in spray column after the cleaning of described step (3) is 2-4 seconds, and the gas phase in spray column and liquid are in a ratio of 500:1-2000:1, and mixing, washing liquid outward discharge capacity is 5-20% of internal circulating load.
A kind for the treatment of unit and method using sewage treatment aeration tank foul smell provided by the invention, its beneficial effect is, this treatment unit structure is simple, easy to use, reduces investment and takes up an area, decreasing working cost; Treatment process is easily understood, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the treatment unit one-piece construction schematic diagram of use sewage treatment aeration tank foul smell of the present invention.
Mark in figure:
1. blower fan; 2. gas skirt; 3. aeration tank; 4. spray column; 5. active sludge transferpump; 6. recycle pump; 7. reflux pump; 8. second pond.
Embodiment
With reference to the accompanying drawings, in conjunction with the embodiments, to a kind for the treatment of unit and method using sewage treatment aeration tank foul smell provided by the invention, be described in detail.
Embodiment
With reference to Fig. 1, a kind for the treatment of unit using sewage treatment aeration tank foul smell of the present embodiment, it comprises the aeration tank 3 that one end is connected with sewage, second pond 8, some gas skirts 2, some spray columns 4, described some spray columns 4 lower end is connected with gas skirt 2 respectively by blower fan 1, described spray column 4 is respectively equipped with spray column 4 bottom, the recycle pump 6 that top connects, described second pond 8 is connected with aeration tank 3 end, the end of inside, described aeration tank 3 is provided with active sludge transferpump 5, aeration tank 3 end is connected with the tower groove bottom some spray columns 4 respectively by active sludge transferpump 5, tower groove bottom described spray column 4 is connected with the front end of aeration tank 3 by reflux pump 7.
Described active sludge transferpump 5 is submersible sewage pump.
Described spray column 4 is packing tower.
Use a treatment process for sewage treatment aeration tank foul smell, it comprises following concrete steps:
(1) each foul smell is distributed a little carry out airtight collection, by blower fan 1, the foul smell of collection is extracted from each gas skirt 2;
(2) by active sludge transferpump 5, the active sludge intermixture in aeration tank 3 being transported to each foul smell distributes in the tower groove of spray column 4 a little;
(3) foul smell of step (1) is sent into the bottom of spray column 4, active sludge mixing, washing liquid counter current contact in spray column 4 that foul smell and recycle pump 6 are carried, pollutent in gas phase is transferred to liquid phase, air after cleaning by spray column 4 top discharge, or discharges after further advanced treatment;
(4) active sludge intermixture containing foul smell composition of spray column 4 bottom column groove is delivered to front end, aeration tank 3 by reflux pump 7, utilize a large amount of microorganisms in aeration tank 3 to complete the biological degradation of foul smell composition.
The residence time of air in spray column 4 after the cleaning of described step (3) is 2-4 seconds, and the gas phase in spray column 4 and liquid are in a ratio of 500:1-2000:1, and mixing, washing liquid outward discharge capacity is 5-20% of internal circulating load.
Claims (5)
1. one kind uses the treatment unit of sewage treatment aeration tank foul smell, it is characterized in that: it comprises the aeration tank that one end is connected with sewage, second pond, some gas skirts, some spray columns, described some spray column lower ends are connected with gas skirt respectively by blower fan, described spray column is respectively equipped with spray column bottom, the recycle pump that top connects, described second pond is connected with aeration tank end, the end of inside, described aeration tank is provided with active sludge transferpump, aeration tank end is connected with the tower groove bottom some spray columns respectively by active sludge transferpump, tower groove bottom described spray column is connected with the front end of aeration tank by reflux pump.
2. the treatment unit of sewage treatment aeration tank foul smell according to claim 1, is characterized in that: described active sludge transferpump is submersible sewage pump.
3. the treatment unit of sewage treatment aeration tank foul smell according to claim 1, is characterized in that: described spray column is packing tower.
4. use a treatment process for sewage treatment aeration tank foul smell, it is characterized in that: it comprises following concrete steps:
(1) each foul smell is distributed a little carry out airtight collection, by blower fan, the foul smell of collection is extracted from each gas skirt;
(2) by active sludge transferpump, the active sludge intermixture in aeration tank being transported to each foul smell distributes in the tower groove of spray column a little;
(3) foul smell of step (1) is sent into the bottom of spray column, active sludge mixing, washing liquid counter current contact in spray column that foul smell and recycle pump are carried, pollutent in gas phase is transferred to liquid phase, air after cleaning by spray column top discharge, or discharges after further advanced treatment;
(4) active sludge intermixture containing foul smell composition of spray column bottom column groove is delivered to front end, aeration tank by reflux pump, utilize a large amount of microorganisms in aeration tank to complete the biological degradation of foul smell composition.
5. a kind for the treatment of process using sewage treatment aeration tank foul smell according to claim 4, it is characterized in that: described step (3) clean after the residence time of air in spray column be 2-4 seconds, gas phase in spray column and liquid are in a ratio of 500:1-2000:1, and the outer discharge capacity of mixing, washing liquid is 5-20% of internal circulating load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410585472.8A CN104310577A (en) | 2014-10-28 | 2014-10-28 | Treatment device and method for stench in sewage treatment aeration tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410585472.8A CN104310577A (en) | 2014-10-28 | 2014-10-28 | Treatment device and method for stench in sewage treatment aeration tank |
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| Publication Number | Publication Date |
|---|---|
| CN104310577A true CN104310577A (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410585472.8A Pending CN104310577A (en) | 2014-10-28 | 2014-10-28 | Treatment device and method for stench in sewage treatment aeration tank |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731607A (en) * | 2017-01-04 | 2017-05-31 | 长沙汇聚环境技术有限公司 | A kind of administering method of chemical industry workshop hydrogen sulfide foul smell |
| CN109850974A (en) * | 2019-01-16 | 2019-06-07 | 吉林农业大学 | A kind of method of sewage treatment deodorization |
| US11299411B2 (en) | 2020-06-18 | 2022-04-12 | Shenzhen Green Fields Environmental Technology Co., Ltd. | Bio-enhanced deodorization equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203370458U (en) * | 2013-06-19 | 2014-01-01 | 清勤水处理科技（上海）有限公司 | Waste gas washing tower |
| CN103962000A (en) * | 2013-11-25 | 2014-08-06 | 段国秀 | Biological treatment system for waste gas |
-
2014
- 2014-10-28 CN CN201410585472.8A patent/CN104310577A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203370458U (en) * | 2013-06-19 | 2014-01-01 | 清勤水处理科技（上海）有限公司 | Waste gas washing tower |
| CN103962000A (en) * | 2013-11-25 | 2014-08-06 | 段国秀 | Biological treatment system for waste gas |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731607A (en) * | 2017-01-04 | 2017-05-31 | 长沙汇聚环境技术有限公司 | A kind of administering method of chemical industry workshop hydrogen sulfide foul smell |
| CN109850974A (en) * | 2019-01-16 | 2019-06-07 | 吉林农业大学 | A kind of method of sewage treatment deodorization |
| CN109850974B (en) * | 2019-01-16 | 2022-02-25 | 吉林农业大学 | Sewage treatment deodorization method |
| US11299411B2 (en) | 2020-06-18 | 2022-04-12 | Shenzhen Green Fields Environmental Technology Co., Ltd. | Bio-enhanced deodorization equipment |
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Application publication date: 20150128 |