CN202482134U - Membrane bioreactor of sequencing activated sludge treatment system - Google Patents
Membrane bioreactor of sequencing activated sludge treatment system Download PDFInfo
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- CN202482134U CN202482134U CN2012200176363U CN201220017636U CN202482134U CN 202482134 U CN202482134 U CN 202482134U CN 2012200176363 U CN2012200176363 U CN 2012200176363U CN 201220017636 U CN201220017636 U CN 201220017636U CN 202482134 U CN202482134 U CN 202482134U
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- membrane bioreactor
- activated sludge
- sludge treatment
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Abstract
The utility model relates to a membrane bioreactor, in particular to the membrane bioreactor of a sequencing activated sludge treatment system. The membrane bioreactor comprises an anaerobic tank, an aerobic tank, a water storage tank, a membrane component, an aeration device, a water feeding system, a return-flow system, a water producing system, a backwashing system and a mixer. The mixer is mounted in the anaerobic tank. The membrane component is mounted in the aerobic tank. The aeration device is mounted at the bottom of the aerobic tank. The water feeding system is connected with the anaerobic tank. One end of the return-flow system is connected with the aerobic tank, and the other end of the return-flow system is connected with the anaerobic tank. The aerobic tank is connected with one end of the water producing system and one end of the backwashing system through the membrane component. The other end of the water producing system and the other end of the backwashing system are respectively connected with the water storage tank independently. The membrane bioreactor and the sequencing activated sludge treatment system are combined together organically, the sequencing activated sludge treatment system is fully utilized for efficient nitrogen and phosphorus removal, and removal rate reaches 87.5%. By the aid of single stage flow returning and the membrane bioreactor, solid particles and bacteria are intercepted forcibly, quality of discharged water is better, agent cost and electricity fee for operation of devices are lowered, and wide application of technology of the membrane bioreactor can be further promoted.
Description
Technical field
The utility model relates to a kind of membrane bioreactor, is specifically related to a kind of membrane bioreactor of intermittent activated sludge treatment system.
Background technology
China is a lack of water country, and WWT and reuse are the effective measure of development and use water resources.Reusing sewage is with after the processing of municipal effluent through equipment such as membrane bioreactors, uses it for greening, flushing, replenishes the non-purposes of drinking such as viewing and admiring water body, and cleaning water is used to the purposes of high water quality requirements such as drinking.Municipal effluent can get nearby, has removed long distance water transfer from: its pollutent after being processed is removed significantly, has so not only practiced thrift water resources, has also reduced environmental pollution.Reusing sewage is extensively employing of the area of many lacks of water in the world, is considered to have significant social, environment and economic benefit.
With biotechnology and membrane technique bonded membrane bioreactor is a novel sewage disposal technology realizing recycling sewage generated by making; It utilizes membrane separation plant that active sludge in the biochemical reaction tank and larger molecular organics are held back; Strengthened the function of bio-reactor greatly, so membrane bioreactor plays an increasingly important role in recycling sewage generated by making.
Existing membrane bioreactor mainly exists the efficient of denitrogenation dephosphorizing not high, often needs additional carbon or carries out chemical dephosphorization, and the reagent cost of operation is high, and the multistage backflow of mud causes system's operation power consumption high, has influenced and should technology apply on a large scale.
The utility model content
In order to overcome the deficiency of prior art, the purpose of the utility model is to provide a kind of membrane bioreactor of intermittent activated sludge treatment system, with efficient, reinforcement wastewater treatment efficiency, reduction use cost and the expense that improves denitrogenation dephosphorizing.
For addressing the above problem, the technical scheme that the utility model adopted is following:
A kind of membrane bioreactor of intermittent activated sludge treatment system, it comprises anaerobic pond, Aerobic Pond, tank, membrane module, aerating apparatus, water inlet system, return-flow system, water production system, backwash system, stirrer; Said stirrer is installed in the anaerobic pond, and membrane module is installed in the Aerobic Pond, and aerating system is installed in Aerobic Pond inner bottom part position, and water inlet system connects anaerobic pond, and return-flow system one end connects Aerobic Pond, and its other end connects anaerobic pond; Aerobic Pond is connected with an end of water production system one end and backwash system respectively through membrane module, and the other end of water production system and backwash system is connected tank respectively separately.
The said aerating apparatus of the utility model comprises a plurality of aeration tubes, and each aeration tube is provided with several aerators; The end that each aeration tube has aerator is positioned at Aerobic Pond, and the other end of each aeration tube stretches out Aerobic Pond and connects gas blower respectively.
In the preferred scheme, the described aeration tube quantity of the utility model is more than two, and the quantity of the aerator on each aeration tube is more than two.
The said water inlet system of the utility model comprises that an end connects the inlet channel of anaerobic pond and is arranged on intake pump and the valve on the inlet channel.
The said return-flow system of the utility model comprises reflux line, and reflux line one end connects anaerobic pond, and the other end connects Aerobic Pond, which is provided with reflux pump and valve.
The said water production system of the utility model comprises the water producing pipe road, water producing pipe road one end junctional membrane assembly, and the other end connects tank, from the past membrane module direction of tank product water pump and electric butterfly valve is installed successively on the water producing pipe road.
The said backwash of the utility model system comprises the backwash pipeline, backwash pipeline one end junctional membrane assembly, and the other end connects tank, from tank toward the membrane module direction backwashing pump and electric butterfly valve is installed successively on the backwash pipeline.
Compare prior art; The beneficial effect of the utility model is: the utility model organically combines intermittent activated sludge treatment system and membrane bioreactor; Make full use of intermittent activated sludge treatment system denitrogenation dephosphorizing, its efficient is high, and clearance can reach 87.5%; Through single-stage backflow and membrane bioreactor solid particulate and bacterium are realized forcing crown_interception, effluent quality is better, thereby has reduced the required reagent cost and the electricity charge of equipment operation, can further advance this broad application.
Below in conjunction with accompanying drawing and concrete embodiment the utility model is done further explain.
Description of drawings
Fig. 1 is the membrane bioreactor structural representation of the preferred intermittent activated sludge treatment system of the utility model.
Embodiment
As shown in Figure 1; The membrane bioreactor of the intermittent activated sludge treatment system of the utility model, it comprises anaerobic pond 1, Aerobic Pond 2, tank 3, membrane module 4, aerating apparatus, water inlet system, return-flow system, water production system, backwash system, stirrer 13; Said stirrer 13 is installed in the anaerobic pond 1, and membrane module 4 is installed in the Aerobic Pond 2, and aerating system is installed in Aerobic Pond 2 inner bottom part positions, and water inlet system connects anaerobic pond 1, and return-flow system one end connects Aerobic Pond 2, and the other end connects anaerobic pond 1; Aerobic Pond 2 is connected with an end of water production system one end and backwash system respectively through membrane module 4, and the other end of water production system and backwash system is connected tank 3 respectively separately; The said aerating apparatus of the utility model comprises a plurality of aeration tubes 5, and each aeration tube 5 is provided with several aerators 6; The end that each aeration tube 5 has aerator 6 is positioned at Aerobic Pond 2, and the other end of each aeration tube 2 stretches out Aerobic Pond 2 and connects gas blower 7 respectively; The said water inlet system of the utility model comprises that an end connects the inlet channel of anaerobic pond 1 and is arranged on intake pump 8 and the valve on the inlet channel; The said return-flow system of the utility model comprises reflux line, and reflux line one end connects anaerobic pond 1, and the other end connects Aerobic Pond 2, which is provided with reflux pump 9 and valve; The said water production system of the utility model comprises the water producing pipe road, water producing pipe road one end junctional membrane assembly 4, and the other end connects tank 3, from past membrane module 4 directions of tank product water pump 10 and electric butterfly valve 12 ' is installed successively on the water producing pipe road; The said backwash of the utility model system comprises the backwash pipeline, backwash pipeline one end junctional membrane assembly 4, and the other end connects tank 3, from tank 3 past membrane module 4 directions backwashing pump 11 and electric butterfly valve 12 is installed successively on the backwash pipeline.
In the preferred embodiment, described aeration tube 5 quantity of the utility model are more than two, and the quantity of the aerator 6 on each aeration tube 5 is more than two.
The principle of work of the utility model is: to anaerobic pond 1, at anaerobic pond 1 denitrification and anaerobic phosphorus release take place through intake pump 8 lifting sewages, the muddy water mixed solution of releasing behind the phosphorus flows automatically to Aerobic Pond 2; Muddy water mixed solution carries out nitrated under the effect of blast aeration and excessive absorption phosphorus in the Aerobic Pond; Thereby denitrogenation dephosphorizing, other pollutents of degrading simultaneously are purified sewage; The mud that produces is back to anaerobic pond 1 through reflux pump 9; To tank 3, open when wherein producing water pump 10 unlatchings by electric butterfly valve 12 through a plurality of membrane module 4 pump up water for product water pump 10, electric butterfly valve 12 closures when product water pump 10 stops; Backwashing pump 11 pumps into a plurality of membrane modules 4 from tank 3 water intakings, and electric butterfly valve 12 ' was opened electric butterfly valve 12 ' closure when backwashing pump 11 stops when backwashing pump 11 was opened.Wherein intake pump 8 and product water pump 10 promptly produce water pump 10 and backwashing pump 11 according to the fixed time sequence start-stop according to the sequential intermittent operation, through producing the suction water outlet of water pump 10; The water level of Aerobic Pond 2 is reduced by 1/3, and it is out of service with backwashing pump 11 to produce water pump 10 afterwards, and intake pump 8 is opened; Intake pump 8 stops after making the water level of Aerobic Pond 2 rise to setting height, through behind the set time aeration, produces water pump 10 and backwashing pump 11 according to the fixed time sequence start-stop; Suction water outlet, circulation successively.9 intermittent operatioies of stream pump.Reflux pump 9 moves in the water level decline 1/4-1/3 process of Aerobic Pond 2 and intake pump 8 opening processes, and other periods stop.
Above-mentioned embodiment is merely the preferred implementation of the utility model; Can not limit the scope of the utility model protection with this, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement all belong to the utility model scope required for protection.
Claims (7)
1. the membrane bioreactor of an intermittent activated sludge treatment system, it is characterized in that: it comprises anaerobic pond, Aerobic Pond, tank, membrane module, aerating apparatus, water inlet system, return-flow system, water production system, backwash system, stirrer; Said stirrer is installed in the anaerobic pond, and membrane module is installed in the Aerobic Pond, and aerating system is installed in Aerobic Pond inner bottom part position, and water inlet system connects anaerobic pond; Return-flow system one end connects Aerobic Pond, and the other end connects anaerobic pond; Aerobic Pond is connected with an end of water production system one end and backwash system respectively through membrane module, and the other end of water production system and backwash system is connected tank respectively separately.
2. the membrane bioreactor of intermittent activated sludge treatment system according to claim 1 is characterized in that: said aerating apparatus comprises a plurality of aeration tubes, and each aeration tube is provided with several aerators; The end that each aeration tube has aerator is positioned at Aerobic Pond, and the other end of each aeration tube stretches out Aerobic Pond and connects gas blower respectively.
3. the membrane bioreactor of intermittent activated sludge treatment system according to claim 2 is characterized in that: said aeration tube quantity is more than two, and the quantity of the aerator on each aeration tube is more than two.
4. the membrane bioreactor of intermittent activated sludge treatment system according to claim 1 is characterized in that: said water inlet system comprises that an end connects the inlet channel of anaerobic pond and is arranged on intake pump and the valve on the inlet channel.
5. the membrane bioreactor of intermittent activated sludge treatment system according to claim 1 is characterized in that: said return-flow system comprises reflux line, and reflux line one end connects anaerobic pond, and the other end connects Aerobic Pond, which is provided with reflux pump and valve.
6. the membrane bioreactor of intermittent activated sludge treatment system according to claim 1; It is characterized in that: said water production system comprises the water producing pipe road; Water producing pipe road one end junctional membrane assembly; The other end connects tank, from the past membrane module direction of tank product water pump and electric butterfly valve is installed successively on the water producing pipe road.
7. the membrane bioreactor of intermittent activated sludge treatment system according to claim 1; It is characterized in that: said backwash system comprises the backwash pipeline; Backwash pipeline one end junctional membrane assembly; The other end connects tank, from tank toward the membrane module direction backwashing pump and electric butterfly valve is installed successively on the backwash pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200176363U CN202482134U (en) | 2012-01-13 | 2012-01-13 | Membrane bioreactor of sequencing activated sludge treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200176363U CN202482134U (en) | 2012-01-13 | 2012-01-13 | Membrane bioreactor of sequencing activated sludge treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN202482134U true CN202482134U (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200176363U Expired - Lifetime CN202482134U (en) | 2012-01-13 | 2012-01-13 | Membrane bioreactor of sequencing activated sludge treatment system |
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| Country | Link |
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| CN (1) | CN202482134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112850890A (en) * | 2021-03-04 | 2021-05-28 | 中山大学 | Sequencing batch sewage treatment device and method |
-
2012
- 2012-01-13 CN CN2012200176363U patent/CN202482134U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112850890A (en) * | 2021-03-04 | 2021-05-28 | 中山大学 | Sequencing batch sewage treatment device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180529 Address after: 528000 two or three, No. 5, civilized road, Xiqiao, Guan Shan City, Nanhai District, Foshan, Guangdong. Patentee after: Foshan Hui Yuan Xiqiao sewage treatment Co., Ltd. Address before: 528000 Tongji West Road, Chancheng District, Foshan City, Guangdong Province, No. 16 Patentee before: Foshan Water Group Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |
|
| CX01 | Expiry of patent term |