CN202322552U - Wavy biochemical sewage treatment unit - Google Patents
Wavy biochemical sewage treatment unit Download PDFInfo
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- CN202322552U CN202322552U CN2011203812205U CN201120381220U CN202322552U CN 202322552 U CN202322552 U CN 202322552U CN 2011203812205 U CN2011203812205 U CN 2011203812205U CN 201120381220 U CN201120381220 U CN 201120381220U CN 202322552 U CN202322552 U CN 202322552U
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Abstract
The utility model provides a wavy biochemical sewage treatment unit, wherein three groups of partition walls are sequentially arranged in a pool, two flexible membranes are sequentially arranged between the first group of partition walls and the second group of partition walls, the three groups of partition walls and the two flexible membranes sequentially divide the region in the pool into a first anoxic region, a first aerobic region, a second anoxic region, a second aerobic region, a precipitation region and a stable region beginning from a water inlet, the water inlet of a distributing channel is communicated with the water inlet of the pool, the water outlet of the distributing channel is respectively communicated with the first anoxic region and the second anoxic region, the water inlet of a backflow channel is communicated with the precipitation region, the water outlet of the backflow channel is communicated with the first anoxic region, a stirring machine is arranged in the second anoxic region, and a suction dredger is arranged in the precipitation region. The wavy biochemical sewage treatment unit disclosed by the utility model has the advantages of greatly improving the denitrification effect, and reducing the increase of investment and operation costs caused by carbon source supplement necessary for denitrification and mixed solution backflow.
Description
Technical field
The utility model relates to a kind of wave biochemical sewage treatment device, belongs to technical field of sewage.
Background technology
Along with the continuous extension of wastewater treatment in China cause, widespread use a kind of wave biochemical activity mud method sewage disposal technology, it all has treatment effect preferably to indexs such as COD, ammonia nitrogens.The traditional technology of using at present mainly is made up of oxygen-starved area, aerobic zone, settling region and stable region, and sewage behind oxygen-starved area, aerobic zone, settling region and stable region, gets into next unit successively, and settling region mud is back to the oxygen-starved area, the replenishment system sludge quantity.This technology all has treatment effect preferably to COD, ammonia nitrogen; But shortage mixed-liquor return; Design loading is lower, has shortcomings such as denitrification effect is poor, aerobic zone pond appearance is excessive, can't satisfy the sewage effluent quality standard that China improves day by day; Especially total nitrogen control indexes requirement has increased once investment and running cost simultaneously.
Summary of the invention
The denitrification effect that exists in the existing biochemical sewage disposal technology is relatively poor in order to solve, the aerobic zone pond holds excessive and investment and the bigger problem of running cost, and then a kind of wave biochemical sewage treatment device is provided for the utility model.
The purpose of the utility model realizes through following technical scheme:
A kind of wave biochemical sewage treatment device; Comprise pond, three groups of partition walls, two flexible partitions, distributing flue, backflow canal, submersible agitator, suspension chain type aerator, stirrer and suction dredgers; In said pond, be disposed with said three groups of partition walls; Between first group of partition wall and second group of partition wall, be disposed with said two flexible partitions; Said three groups of partition walls and said two flexible partitions begin to be divided into successively first oxygen-starved area, first aerobic zone, second oxygen-starved area, second aerobic zone, settling region and stable region with the zone in the said pond from water inlet, and the water inlet of said distributing flue is communicated with the water-in in said pond, and the water outlet of said distributing flue is communicated with said first oxygen-starved area and said second oxygen-starved area respectively; The water-in of said backflow canal is communicated with said settling region; The water outlet of said backflow canal is communicated with said first oxygen-starved area, in said first oxygen-starved area, is provided with said submersible agitator, in said first aerobic zone, in said second aerobic zone and be respectively arranged with suspension chain type aerator in the said stable region; In said second oxygen-starved area, be provided with said stirrer, in said settling region, be provided with suction dredger.
The wave biochemical sewage treatment device advantage and the positively effect of the utility model are: the utility model only need be set up two flexible partitions in traditional wave biochemical sewage treatment device main reaction region; It is partitioned into an independently oxygen-starved area; Set up stirrer and distributing flue simultaneously in the oxygen-starved area; Can significantly improve denitrification effect, reduce the required carbon source of denitrogenation simultaneously and replenish the investment that brought with mixed-liquor return and the increase of running cost.
Description of drawings
Fig. 1 is the structural representation of the wave biochemical sewage treatment device that provides of the utility model embodiment;
Fig. 2 is the plan structure synoptic diagram of the wave biochemical sewage treatment device that provides of the utility model embodiment.
Embodiment
The utility model embodiment provides a kind of wave biochemical sewage treatment device; As depicted in figs. 1 and 2; Comprise pond 1, three groups of partition walls 2, two flexible partitions 7, distributing flue 18, backflow canal 17, submersible agitator 4, suspension chain type aerator 6, stirrer 8 and suction dredgers 13; Between first group of partition wall 2 and second group of partition wall 2, be disposed with two flexible partitions 7; Three groups of partition walls 2 and two flexible partitions 7 begin to be divided into successively first oxygen-starved area 3, first aerobic zone 5, second oxygen-starved area 9, second aerobic zone 10, settling region 12 and stable region 15 with the zone in the pond 1 from water inlet, and the water inlet of distributing flue 18 is communicated with the water-in in pond 1, and the water outlet of distributing flue 18 is communicated with first oxygen-starved area 3 and second oxygen-starved area 9 respectively; The water-in of backflow canal 17 is communicated with settling region 12; The water outlet of backflow canal 17 is communicated with first oxygen-starved area 3, in first oxygen-starved area 3, is provided with said submersible agitator 4, in first aerobic zone 5, in second aerobic zone 10 and be respectively arranged with suspension chain type aerator 6 in the stable region 15; In second oxygen-starved area 9, be provided with stirrer 8, in settling region 12, be provided with suction dredger 13.
Concrete; Through two flexible partitions 7 main reaction region is divided into first oxygen-starved area 3, first aerobic zone 5, second oxygen-starved area 9, second aerobic zone 10, settling region 12 and stable region 15; In first oxygen-starved area 3, be provided with said submersible agitator 4; In first aerobic zone 5, in second aerobic zone 10 and be respectively arranged with suspension chain type aerator 6 in the stable region 15; In second oxygen-starved area 9, be provided with stirrer 8, corresponding stirrer 8 can adopt the floatation type stirrer, in settling region 12, is provided with suction dredger 13.
After sewage got into pond 1, part of contaminated water was mixed the back and is got in first oxygen-starved area 3 with returned sluge, and part of contaminated water is transported to second oxygen-starved area 9 through distributing flue 18, is second oxygen-starved area, 9 denitrification supplementary carbon sources, and the water distribution inlet of second oxygen-starved area 9 is provided with gate.Distributing flue 18 wherein also can adopt other forms, and like pipeline, the terminal gate of canal can correspondingly be selected replacements such as valve for use.The water-in that backflow canal 17 is delivered to suction dredger 13 sucking sludge pond 1 with get in the lump in first aerobic zone 5 after the sewage of entering mixes, be that biochemical system replenishes living weight.
In this real embodiment; The bottom of flexible partition 7 can be fixed in the bottom in pond 1 through counterweight; The top of flexible partition 7 hangs on the pond face through buoy and static line; One side of flexible partition 7 is connected with the sidewall in pond 1 mutually, leaves the sewage flow passage between the sidewall in the opposite side of flexible partition 7 and pond 1.Around the pond 1 and at the bottom of the pond can by lay geotextile after the soil layer compacting, anti seepage membrane is laid and is formed.Suspension chain type aerator 6 is made up of aerator, gas blower and supporting pipeline, electric control system.
Therefore, the wave biochemical sewage treatment device of the utility model can be transformed operation system under running status, has avoided the original system stopping production, removes contamination, problem such as active sludge preservation.Owing to be provided with anaerobic-aerobic-anaerobic-aerobic district; Nitric efficiency improves greatly; Simultaneously, draw a part to second oxygen-starved area 9, utilize sewage self carbon source to remedy denitrification and consume carbon source through will always intaking; Save the required macro-mixing liquid of denitrification simultaneously and reflux, reduce investment outlay greatly and working cost.
This embodiment is divided into three subregions through setting up two flexible partitions with former main reaction region, is equally applicable to according to actual needs, sets up some flexible partitions, with the main partition be divided into some aerobic-the anoxic graded area.
The technical scheme that adopts present embodiment to provide; Only need in traditional wave biochemical sewage treatment device main reaction region, set up two flexible partitions; It is partitioned into an independently oxygen-starved area; Simultaneously set up stirrer and distributing flue, can significantly improve denitrification effect, reduce the required carbon source of denitrogenation simultaneously and replenish the investment that brought with mixed-liquor return and the increase of running cost in the oxygen-starved area.Flexible partition adopts counterweight to be fixed at the bottom of the pond in the utility model, and it need not fastening piece with at the bottom of the pond, the second oxygen-starved area stirrer employing floatation type; Therefore; The wave biochemical sewage treatment device of the utility model can be transformed operation system under running status, has avoided the original system stopping production, removes contamination, problem such as active sludge preservation; Therefore, improve the denitrification effect transformation for traditional wave biochemical sewage treatment device a kind of practical technology is provided.
The above; Be merely the preferable embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technician who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.
Claims (4)
1. wave biochemical sewage treatment device; Comprise pond, three groups of partition walls, two flexible partitions, distributing flue, backflow canal, submersible agitator, suspension chain type aerator, stirrer and suction dredgers; It is characterized in that; In said pond, be disposed with said three groups of partition walls; Between first group of partition wall and second group of partition wall, be disposed with said two flexible partitions; Said three groups of partition walls and said two flexible partitions begin to be divided into successively first oxygen-starved area, first aerobic zone, second oxygen-starved area, second aerobic zone, settling region and stable region with the zone in the said pond from water inlet, and the water inlet of said distributing flue is communicated with the water-in in said pond, and the water outlet of said distributing flue is communicated with said first oxygen-starved area and said second oxygen-starved area respectively; The water-in of said backflow canal is communicated with said settling region; The water outlet of said backflow canal is communicated with said first oxygen-starved area, in said first oxygen-starved area, is provided with said submersible agitator, in said first aerobic zone, in said second aerobic zone and be respectively arranged with suspension chain type aerator in the said stable region; In said second oxygen-starved area, be provided with said stirrer, in said settling region, be provided with suction dredger.
2. wave biochemical sewage treatment device according to claim 1; It is characterized in that; Said basin bottom is fixed in through counterweight in the bottom of said flexible partition; The top of said flexible partition hangs on the pond face through buoy and static line, and a side of said flexible partition is connected with the sidewall in said pond mutually, leaves the sewage flow passage between the opposite side of said flexible partition and the sidewall in said pond.
3. wave biochemical sewage treatment device according to claim 1 is characterized in that, said stirrer is the floatation type stirrer.
4. wave biochemical sewage treatment device according to claim 1 is characterized in that, at the bottom of around the said pond and the pond by lay geotextile after the soil layer compacting, anti seepage membrane is laid and is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203812205U CN202322552U (en) | 2011-10-09 | 2011-10-09 | Wavy biochemical sewage treatment unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203812205U CN202322552U (en) | 2011-10-09 | 2011-10-09 | Wavy biochemical sewage treatment unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202322552U true CN202322552U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203812205U Expired - Fee Related CN202322552U (en) | 2011-10-09 | 2011-10-09 | Wavy biochemical sewage treatment unit |
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| Country | Link |
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| CN (1) | CN202322552U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108147554A (en) * | 2018-02-12 | 2018-06-12 | 苏州首创嘉净环保科技股份有限公司 | Integrated domestic sewage treatment device |
| CN109942086A (en) * | 2019-04-08 | 2019-06-28 | 重庆淏园环保科技有限公司 | MBR integration apparatus and its MBR sewage water treatment method with flexible diaphragm |
-
2011
- 2011-10-09 CN CN2011203812205U patent/CN202322552U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108147554A (en) * | 2018-02-12 | 2018-06-12 | 苏州首创嘉净环保科技股份有限公司 | Integrated domestic sewage treatment device |
| CN109942086A (en) * | 2019-04-08 | 2019-06-28 | 重庆淏园环保科技有限公司 | MBR integration apparatus and its MBR sewage water treatment method with flexible diaphragm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHONGCHI WATER CO., LTD. Free format text: FORMER NAME: CSD (BEIJING) WATER WORKS OPERATION MANAGEMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100192, D2, building four, Zhongguancun Dongsheng Science Park, No. 6 Xiao Dong Road, Beijing, Haidian District Patentee after: CSD WATER SERVICE CO., LTD. Address before: 100192, D2, building four, Zhongguancun Dongsheng Science Park, No. 6 Xiao Dong Road, Beijing, Haidian District Patentee before: China holding (Beijing) water operation Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20201009 |