CN208603832U - A kind of high performance membrane biological reaction pool and sewage disposal system - Google Patents
A kind of high performance membrane biological reaction pool and sewage disposal system Download PDFInfo
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- CN208603832U CN208603832U CN201821008505.2U CN201821008505U CN208603832U CN 208603832 U CN208603832 U CN 208603832U CN 201821008505 U CN201821008505 U CN 201821008505U CN 208603832 U CN208603832 U CN 208603832U
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- water inlet
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- Activated Sludge Processes (AREA)
Abstract
The utility model provides a kind of high performance membrane biological reaction pool, is related to technical field of sewage.The high performance membrane biological reaction pool includes membrane cisterna ontology and filtration module；Filtration module is built in membrane cisterna ontology, and membrane cisterna ontology is provided with back washing device and two-way scratch device；Back washing device includes backwash transfer tube, chemical tank and backwash pipeline, and the water body in chemical tank and downstream can be transported to filtration module respectively by backwash pipeline by backwash transfer tube；Two-way scratch device includes being set to intrinsic first water inlet of membrane cisterna and the second water inlet, and the water body from upstream can flow into membrane cisterna ontology by the first water inlet and the second water inlet respectively.The high performance membrane biological reaction pool of the utility model, is arranged two-way scratch device outside filtration module, and back washing device is arranged in inside, can be cleared up in real time membrane structure, reduce the polluter of absorption, improve the decontamination efficiency of membrane biological reaction pond device.On this basis, the utility model additionally provides a kind of sewage disposal system.
Description
Technical field
The utility model relates to technical field of sewage, in particular to a kind of high performance membrane biological reaction pool and dirt
Water treatment system.
Background technique
Membrane biological reaction apparatus (Membrane Bio-reactor, abbreviation MBR) be active sludge biological processing technique with
The novel water treatment technology that membrane separation technique organically combines.
Active sludge biological processing technique is the method for the biological wastewater treatment based on activated sludge, and this technology will
Waste water is mixed and is aerated with activated sludge (microorganism), divides the organic pollutant in waste water under the action of microorganism
Solution realizes decarburization, denitrogenation, dephosphorization and other effects.Then using membrane separation plant by membrane biological reaction apparatus activated sludge and
Larger molecular organics retain.Film-biological reaction apparatus enhances the function of bioreactor by the isolation technics of film significantly,
Greatly improve activated sludge concentration, hydraulic detention time (HRT) and sludge retention time (SRT) can be controlled separately.
In traditional biological wastewater treatment technology, mud-water separation is to complete in secondary settling tank by gravity, point
From the settling property that efficiency depends on activated sludge, settleability is better, and mud-water separation efficiency is higher.And the settleability of sludge depends on
Operation conditions in aeration tank, improving sludge settling must be strictly controlled the operating condition of aeration tank, and which has limited this method
The scope of application.Due to the requirement that secondary settling tank is separated by solid-liquid separation, the sludge of aeration tank cannot maintain higher concentration, generally 1.5~
3.5g/L or so, to limit biochemical reaction rate.Hydraulic detention time (HRT) interdepends with sludge age (SRT), improves
Volumetric loading and reduction sludge loading often form contradiction.System also creates a large amount of excess sludge in the process of running, and
It is easy to appear sludge bulking phenomenon, effluent quality deteriorates.
In addition, the prior art after introducing membrane bioreactor, does not increase corresponding self-clean mechanism and technique, makes
It obtains the impurity that membrane bioreactor adsorbs after prolonged use to increase sharply, affects the efficiency of sewage treatment, reduce dirt
The ability of water process, or even improve the disposal costs and operation expense of membrane bioreactor.
So how to improve the structure design of membrane bioreactor and membrane biological reaction processing pond, sewage treatment effect is improved
Rate is those skilled in the art's urgent problem to be solved.
Utility model content
It is existing to solve the purpose of this utility model is to provide a kind of high performance membrane biological reaction pool and sewage disposal system
Inefficiency existing for sewage treatment process and membrane bioreactor in technology, the water quality deterioration etc. with high costs that even results in are asked
Topic.
To achieve the goals above, the utility model uses following technical scheme:
A kind of high performance membrane biological reaction pool provided by the utility model, including membrane cisterna ontology and filtration module；The filtering
Film group is built in the membrane cisterna ontology, and the membrane cisterna ontology is provided with back washing device and two-way scratch device；The backwash dress
It sets including backwash transfer tube, chemical tank and backwash pipeline, the backwash transfer tube can be respectively by the medicine by backwash pipeline
Agent case and the water body in downstream are transported to the filtration module；The two-way scratch device is intrinsic including being set to the membrane cisterna
First water inlet and the second water inlet, the water body from upstream can pass through first water inlet and second water inlet respectively
Mouth flows into the membrane cisterna ontology.
Based on the above technical solution, further, first water inlet and second water inlet are located at
The two sides of the membrane cisterna inner body wall, and export direction is oppositely arranged.The technical solution has the technical effect that two water inlets
It is oppositely arranged, can choose bilateral flow, or intermittent one-way flow, be conducive to the self-cleaning of filtration module.
Optionally, further, first water inlet and second water inlet are located at the membrane cisterna inner body wall
Two sides, and export direction is tangent with the inner wall.Having the technical effect that for the technical solution is tangent with membrane cisterna inner body wall
Two water inlets, be capable of forming vortex water flow, or mutually support the torrent of punching, there is auxiliary to the decontamination cleaning of filtration module
Effect.
It further include blower further on the basis of any of the above-described technical solution；The blower is located at the membrane cisterna ontology
It is connected to outside and with the bottom of the filtration module.The bottom of the technical solution having the technical effect that using blower to filtration module
On the one hand portion's delivery air provides aeration for the degradation of organic pollutant and the separation of muddy water of membrane cisterna progress, on the other hand may be used
To generate vibration to filtration module, absorption of the pollution sundries in filtration module is reduced.
The utility model also provides a kind of sewage disposal system, including anoxic pond, aeration tank, clear water reserviors and above-mentioned height
Imitate membrane biological reaction pond；The anoxic pond, the aeration tank, the high performance membrane biological reaction pool and the clear water reserviors successively connect
It is logical；Wherein, the aeration tank is connected to the high performance membrane biological reaction pool by the two-way scratch device, and the high performance membrane is raw
Object reaction tank is connected to by the filtration module with the clear water reserviors.Wherein, sewage in anoxic pond the residence time need to up to 2~
3 hours, and the residence time in aeration tank and high performance membrane biological reaction pool need to be up to 4~8 hours.In addition, in order to control peace
The globality in space and equipment is filled, can be by the unified arrangement molding in above-mentioned each pond, and form the packaging box shape of an entirety.
It based on the above technical solution, further, further include reflux unit；The reflux unit includes reflux driving
Pump and return line, the reflux transfer tube are transported to the anoxic pond and the aeration by the water body of the return line
Pond.The technical solution has the technical effect that reflux unit continues to provide sewage to high performance membrane biological reaction pool, can not be by filtering
The processing of film group is that the sewage of clear water is backflowed the front end to anoxic pond and aeration tank by reflux transfer tube by return line, again into
Row denitrification denitrogenation and Air Exposure.Wherein, the regurgitant volume between aeration tank and high performance membrane biological reaction pool is 3~4 times of water inlets
Amount.Distinguishingly, the settable height-adjustable movable weir gate of return line outlet.
It further include blender and aerator further on the basis of any of the above-described technical solution；The blender setting
In the anoxic bottom of pond portion, the aerator is set to the aeration bottom of pond portion, for introducing outside air.The technical solution
It has the technical effect that blender is sufficiently mixed the microorganism in sewage and sewage, improves nitric efficiency；Aerator will come from
The outside air of blower is evenly supplied in sewage.
It further include central control unit further on the basis of any of the above-described technical solution；The central control unit
It is electrically connected respectively with the back washing device and the two-way scratch device.The technical solution has the technical effect that in operation
Cheng Zhong, central control unit drive back washing device or two-way scratch device to filter membrane according to the real time status of filtration module
Group carries out self abatement processes.Sewage treatment data can also be uploaded cloud platform by central control unit, for remotely monitoring or grasping
Make.
On the basis of any of the above-described technical solution, further, the anoxic pond, the aeration tank, the high performance membrane are raw
Object reaction tank and/or the clear water reserviors are made of carbon steel material.The technical solution has the technical effect that the big intensity of carbon steel hardness
Greatly, processing performance is good, good forming effect, can greatly improve the production efficiency of each mechanism of sewage disposal system.
On the basis of any of the above-described technical solution, further, the anoxic pond, the aeration tank, the high performance membrane are raw
The surfaces externally and internally of object reaction tank and/or clear water reserviors setting paint erosion resistant coating.The technical solution have the technical effect that due to
The usual corrosivity of sewage is higher, using paint erosion resistant coating, is able to extend the service life of complete equipment.
The utility model has the following beneficial effects:
High performance membrane biological reaction pool provided by the utility model and sewage disposal system, are arranged two-way outside filtration module
Back washing device is arranged in scratch device inside it, can be cleared up in real time according to system operation situation membrane structure, reduces
The polluter of absorption improves the decontamination efficiency of membrane biological reaction pond device.
The additional technical feature and its advantage of the utility model will be illustrated in following description content it is more obvious, or
It is recognized that by the concrete practice of the utility model.
Detailed description of the invention
It, below will be to specific embodiment in order to illustrate more clearly of the technical solution of specific embodiment of the present invention
Attached drawing needed in description is briefly described.It should be evident that the accompanying drawings in the following description is the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of high performance membrane biological reaction pool provided by the embodiment of the utility model；
Fig. 2 is the membrane cisterna ontology of the first structure in high performance membrane biological reaction pool provided by the embodiment of the utility model
Top view；
Fig. 3 is the membrane cisterna ontology of second of structure in high performance membrane biological reaction pool provided by the embodiment of the utility model
Top view；
Fig. 4 is the structural schematic diagram of sewage disposal system provided by the embodiment of the utility model.
Icon: 1- membrane cisterna ontology；2- filtration module；3- backwash transfer tube；4- chemical tank；5- backwash pipeline；6- first into
The mouth of a river；The second water inlet of 7-；8- blower；9- anoxic pond；The aeration tank 10-；11- clear water reserviors；12- reflux transfer tube；13- return pipe
Road；14- blender；15- aerator.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
DESCRIPTION OF THE PRIOR ART:
In the prior art, mud-water separation is to complete in secondary settling tank by gravity, and separative efficiency is dependent on work
The settling property of property sludge, settleability is better, and mud-water separation efficiency is higher.And the settleability of sludge depends on the fortune of aeration tank 10
Row situation, improving sludge settling must be strictly controlled the operating condition of aeration tank 10, and which has limited the scope of applications of this method.
Due to the requirement that secondary settling tank is separated by solid-liquid separation, the sludge of aeration tank 10 cannot maintain higher concentration, generally on the left side 1.5~3.5g/L
The right side, to limit biochemical reaction rate.Hydraulic detention time (HRT) interdepends with sludge age (SRT), improves volumetric loading
Contradiction is often formed with sludge loading is reduced.System also creates a large amount of excess sludge in the process of running, and is easy to appear
Sludge bulking phenomenon, effluent quality deteriorate.
In addition, the prior art after introducing membrane bioreactor, does not increase corresponding self-clean mechanism and technique, makes
It obtains the impurity that membrane bioreactor adsorbs after prolonged use to increase sharply, affects the efficiency of sewage treatment, reduce dirt
The ability of water process, or even improve the disposal costs and operation expense of membrane bioreactor.
Technical solutions of the utility model are summarized:
High performance membrane biological reaction pool provided in this embodiment, including membrane cisterna ontology 1 and filtration module 2 are specifically, filter membrane
Group 2 is built in membrane cisterna ontology 1, and membrane cisterna ontology 1 is provided with back washing device and two-way scratch device；Back washing device includes that backwash is driven
Dynamic pump 3, chemical tank 4 and backwash pipeline 5, backwash transfer tube 3 can be respectively by the water of chemical tank 4 and downstream by backwash pipeline 5
Body is transported to filtration module 2；Two-way scratch device includes the first water inlet 6 and the second water inlet being set in membrane cisterna ontology 1
7, the water body from upstream can flow into membrane cisterna ontology 1 by the first water inlet 6 and the second water inlet 7 respectively.
The technical solution of above-mentioned high performance membrane biological reaction pool can preferably solve sewage treatment process in the prior art
With inefficiency existing for membrane bioreactor, the problems such as even resulting in water quality deterioration with high costs: setting outside filtration module 2
Two-way scratch device is set, back washing device is set inside it, membrane structure can be carried out clear in real time according to system operation situation
Reason reduces the polluter of absorption, improves the decontamination efficiency of membrane biological reaction pond device.
For above-mentioned prior art, below with reference to specific embodiment to the utility model
Technical solution explanation is further explained:
Present embodiments provide a kind of high performance membrane biological reaction pool, in which: Fig. 1 is height provided by the embodiment of the utility model
Imitate the structural schematic diagram in membrane biological reaction pond；Fig. 2 is the in high performance membrane biological reaction pool provided by the embodiment of the utility model
A kind of top view of the membrane cisterna ontology 1 of structure；Fig. 3 is the in high performance membrane biological reaction pool provided by the embodiment of the utility model
The top view of the membrane cisterna ontology 1 of two kinds of structures.As shown in Figures 1 to 3, high performance membrane biological reaction pool includes membrane cisterna ontology 1 and filtering
Film group 2.Specifically, filtration module 2 is built in membrane cisterna ontology 1, and membrane cisterna ontology 1 is provided with back washing device and two-way scraping dress
It sets；Back washing device includes backwash transfer tube 3, chemical tank 4 and backwash pipeline 5, and backwash transfer tube 3 can be divided by backwash pipeline 5
The water body of chemical tank 4 and downstream filtration module 2 is not transported to；Two-way scratch device includes be set in membrane cisterna ontology 1
One water inlet 6 and the second water inlet 7, the water body from upstream can be flowed by the first water inlet 6 and the second water inlet 7 respectively
Membrane cisterna ontology 1.
On the basis of the above embodiments, as shown in Figure 1, 2, further, the first water inlet 6 and the second water inlet 7 divide
Not Wei Yu 1 inner wall of membrane cisterna ontology two sides, and export direction is oppositely arranged.In the high performance membrane biological reaction pool of the structure, two
A water inlet is oppositely arranged, and can choose bilateral flow, or intermittent one-way flow, be conducive to filtration module 2 self is clear
It is clean.
On the basis of the above embodiments, as shown in Figure 1,3, further, optionally, further, 6 He of the first water inlet
Second water inlet 7 is located at the two sides of 1 inner wall of membrane cisterna ontology, and export direction is tangent with inner wall.In the efficient of the structure
In membrane biological reaction pond, two water inlets tangent with 1 inner wall of membrane cisterna ontology are capable of forming vortex water flow, or mutually support punching
Torrent, the decontamination of filtration module 2 cleaning is a supporting role.
On the basis of the above embodiments, as shown in Figure 1, further including blower 8 further；Blower 8 is located at membrane cisterna ontology
It is connected to outside 1 and with the bottom of filtration module 2.In the high performance membrane biological reaction pool of the structure, using blower 8 to filtration module 2
Bottom delivery air, on the one hand for membrane cisterna carry out the degradation of organic pollutant and the separation of muddy water aeration, another party are provided
Face can generate vibration to filtration module 2, reduce absorption of the pollution sundries in filtration module 2.
The utility model also provides a kind of sewage disposal system, and Fig. 4 is sewage treatment provided by the embodiment of the utility model
The structural schematic diagram of system.As shown in figure 4, sewage disposal system includes anoxic pond 9, aeration tank 10, clear water reserviors 11 and above-mentioned
High performance membrane biological reaction pool.Specifically, anoxic pond 9, aeration tank 10, high performance membrane biological reaction pool and clear water reserviors 11 successively connect
It is logical；Wherein, aeration tank 10 is connected to high performance membrane biological reaction pool by two-way scratch device, and high performance membrane biological reaction pool passed through
Filter membrane group 2 is connected to clear water reserviors 11.Wherein, sewage residence time in anoxic pond 9 need to be up to 2~3 hours, and in aeration tank 10
It need to be up to 4~8 hours with the residence time in high performance membrane biological reaction pool.In addition, in order to control the whole of installation space and equipment
Body, can be by the unified arrangement molding in above-mentioned each pond, and forms the packaging box shape of an entirety.
On the basis of the above embodiments, as shown in figure 4, further including reflux unit further；Reflux unit includes back
Transfer tube 12 and return line 13 are flowed, the transfer tube 12 that flows back is transported to anoxic pond 9 and aeration tank by the water body of return line 13
10.In the sewage disposal system of the structure, reflux unit continues to provide sewage to high performance membrane biological reaction pool, can not be by filtering
The processing of film group 2 is that the sewage of clear water is backflowed by return line 13 to anoxic pond 9 and aeration tank 10 by reflux transfer tube 12
End, re-starts denitrification denitrogenation and Air Exposure.Wherein, the regurgitant volume between aeration tank 10 and high performance membrane biological reaction pool is
3~4 times of inflows.Distinguishingly, return line 13 exports settable height-adjustable movable weir gate.
On the basis of the above embodiments, as shown in figure 4, further including blender 14 and aerator 15 further；Stirring
Device 14 is set to 9 bottom of anoxic pond, and aerator 15 is set to 10 bottom of aeration tank, for introducing outside air.In the structure
In sewage disposal system, blender 14 is sufficiently mixed microorganism and sewage in sewage, improves nitric efficiency；Aerator 15 will
Outside air from blower 8 is evenly supplied in sewage.
On the basis of the above embodiments, as shown in figure 4, further including central control unit (not marking) further；In
Centre control unit is electrically connected with back washing device and two-way scratch device respectively.The sewage disposal system of the structure, in operation process
In, central control unit drives back washing device or two-way scratch device to filtration module according to the real time status of filtration module 2
2 carry out self abatement processes.Sewage treatment data can also be uploaded cloud platform by central control unit, for remotely monitoring or grasping
Make.
On the basis of the above embodiments, as shown in figure 4, further, anoxic pond 9, aeration tank 10, efficient membrane bioreaction
Ying Chi and/or clear water reserviors 11 are made of carbon steel material.In the sewage disposal system of the structure, the big intensity of carbon steel hardness is big, adds
Work performance is good, good forming effect, can greatly improve the production efficiency of each mechanism of sewage disposal system.
On the basis of the above embodiments, as shown in figure 4, further, anoxic pond 9, aeration tank 10, efficient membrane bioreaction
The surfaces externally and internally of Ying Chi and/or clear water reserviors 11 setting paint erosion resistant coating.In the sewage disposal system of the structure, since sewage is logical
Normal corrosivity is higher, using paint erosion resistant coating, is able to extend the service life of complete equipment.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of high performance membrane biological reaction pool, which is characterized in that including membrane cisterna ontology and filtration module；
The filtration module is built in the membrane cisterna ontology, and the membrane cisterna ontology is provided with back washing device and two-way scraping dress
It sets；
The back washing device includes backwash transfer tube, chemical tank and backwash pipeline, and the backwash transfer tube passes through backwash pipeline energy
It is enough that the water body of the chemical tank and downstream is transported to the filtration module respectively；
The two-way scratch device includes being set to intrinsic first water inlet of the membrane cisterna and the second water inlet, comes from upstream
Water body the membrane cisterna ontology can be flowed by first water inlet and second water inlet respectively.
2. high performance membrane biological reaction pool according to claim 1, which is characterized in that first water inlet and described second
Water inlet is located at the two sides of the membrane cisterna inner body wall, and export direction is oppositely arranged.
3. high performance membrane biological reaction pool according to claim 1, which is characterized in that first water inlet and described second
Water inlet is located at the two sides of the membrane cisterna inner body wall, and export direction is tangent with the inner wall.
4. high performance membrane biological reaction pool according to claim 1, which is characterized in that further include blower；The blower is located at
The membrane cisterna sheet is external and is connected to the bottom of the filtration module.
5. a kind of sewage disposal system, including anoxic pond, aeration tank, clear water reserviors and such as Claims 1 to 4 are described in any item
High performance membrane biological reaction pool；The anoxic pond, the aeration tank, the high performance membrane biological reaction pool and the clear water reserviors successively connect
It is logical；It is characterized in that,
The aeration tank is connected to the high performance membrane biological reaction pool by the two-way scratch device, the efficient membrane bioreaction
Ying Chi is connected to by the filtration module with the clear water reserviors.
6. sewage disposal system according to claim 5, which is characterized in that further include reflux unit；The reflux unit
The anoxic pond is transported to by the water body of the return line including reflux transfer tube and return line, the reflux transfer tube
With the aeration tank.
7. sewage disposal system according to claim 5, which is characterized in that further include blender and aerator；It is described to stir
It mixes device and is set to the anoxic bottom of pond portion, the aerator is set to the aeration bottom of pond portion, for introducing outside air.
8. sewage disposal system according to claim 5, which is characterized in that further include central control unit；The center
Control unit is electrically connected with the back washing device and the two-way scratch device respectively.
9. sewage disposal system according to claim 5, which is characterized in that the anoxic pond, the aeration tank, the height
Effect membrane biological reaction pond and/or the clear water reserviors are made of carbon steel material.
10. sewage disposal system according to claim 9, which is characterized in that the anoxic pond, the aeration tank, described
The surfaces externally and internally of high performance membrane biological reaction pool and/or clear water reserviors setting paint erosion resistant coating.
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| CN201821008505.2U CN208603832U (en) | 2018-06-27 | 2018-06-27 | A kind of high performance membrane biological reaction pool and sewage disposal system |
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| CN201821008505.2U CN208603832U (en) | 2018-06-27 | 2018-06-27 | A kind of high performance membrane biological reaction pool and sewage disposal system |
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| CN208603832U true CN208603832U (en) | 2019-03-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108483663A (en) * | 2018-06-27 | 2018-09-04 | 阿斯旺（北京）环保科技有限公司 | A kind of high performance membrane biological reaction pool and sewage disposal system |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108483663A (en) * | 2018-06-27 | 2018-09-04 | 阿斯旺（北京）环保科技有限公司 | A kind of high performance membrane biological reaction pool and sewage disposal system |
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Granted publication date: 20190315 Termination date: 20200627 |