CN209468274U - The mutual backwash sewage disposal device of the double films of automatic control based on MBR membrane process - Google Patents
The mutual backwash sewage disposal device of the double films of automatic control based on MBR membrane process Download PDFInfo
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- CN209468274U CN209468274U CN201920011901.9U CN201920011901U CN209468274U CN 209468274 U CN209468274 U CN 209468274U CN 201920011901 U CN201920011901 U CN 201920011901U CN 209468274 U CN209468274 U CN 209468274U
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Abstract
The utility model discloses the mutual backwash sewage disposal devices of the double films of the automatic control based on MBR membrane process; including the anaerobic pond, aerobic tank, MBR membrane cisterna being sequentially communicated; MBR membrane cisterna is provided with two groups of MBR film groups, water producing pipes, back flush valves; back flush valves are mounted on water producing pipe, open or close water producing pipe according to scheduled program to realize and produce water or the mutual backwash of bimodulus；The pressure sensor, self priming pump, cartridge filter being electrically connected with automatic controller are installed in equipment room, pass through the pressure signal of pressure sensor, start backwash operation, and valve can be automatically switched, backwash is carried out to corresponding one group of film, while drift ice is added, film wire is cleaned.MBR film is cleaned by using the double films that can be automatically controled mutual backwash mode, extends the service life of film, reduces the operating cost of MBR film；Equipment integrated design reduces the volume of sewage disposal device, reduces occupied area.
Description
Technical field
The utility model relates to a kind of sewage disposal device more particularly to a kind of automatic control based on MBR membrane process are double
The mutual backwash sewage disposal device of film.
Background technique
MBR membrane technology is the novel state waste water treatment system of membrane separation technique and biologic treating technique combination,
It is placed in aeration tank with the MBR membrane module with unique texture, and the water after aerobic aeration and biological treatment is passed through by pump
It is extracted out after membrane filtration.It using membrane separation plant by biochemical reaction tank activated sludge and larger molecular organics matter retain
Firmly, save secondary settling tank.Therefore activated sludge concentration greatly improves, hydraulic detention time (HRT) and sludge retention time (SRT) can
To control respectively, and substance difficult to degrade constantly reacts in the reactor, degrades, effective using microorganism a large amount of in reactor
Various organic matters in ground degradation sewage, are purified water quality, and replace the secondary settling tank in traditional handicraft by membrane separation device,
It improves the efficiency being separated by solid-liquid separation and it is swollen to solve sludge existing for traditional activated sludge process substantially to obtain good water outlet
The problem of Treated sewage reusing requirement is not achieved in effluent quality caused by the swollen, factors such as sludge concentration is low.
But MBR film is in use since the suspended contaminant in mixed liquor, dissolved organic matter, microorganism exist
The foldings such as the deposition of film surface and fiber, sundries in activated sludge wind the permeability that can all reduce film in varying degrees,
To need to regularly replace film.But the cost of manufacture height of film causes MBR film operating cost higher.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts, providing one kind can the mutual backwash of automatic double films, place
Manage the mutual backwash sewage disposal device of the double films of the high-efficient automatic control based on MBR membrane process.
The utility model is achieved through the following technical solutions:
The mutual backwash sewage disposal device of the double films of automatic control based on MBR membrane process, including anaerobic pond, aerobic tank, MBR film
Pond and equipment room, the anaerobic pond, aerobic tank are successively serially connected with MBR membrane cisterna and are connected to.It is provided with and is used on the anaerobic pond
The perforation water distributor that sewage enters；The aerobic bottom of pond portion is provided with the first aerator.The effect of anaerobic pond is to go to denitrogenate phosphorus
Substance, the effect of aerobic tank are the components such as the organic pollutant in removal sewage, and the effect of MBR membrane cisterna is to make mud-water separation, together
When further remove the pollutant components such as nitrogen phosphorus, organic matter in sewage.
The MBR membrane cisterna is provided with the first MBR film group, the 2nd MBR film group, the second aerator, water producing pipe, the first recoil
Valve, the second back flush valves are washed, second aerator is located at the bottom of MBR membrane cisterna, the water producing pipe and described first
MBR film group and the 2nd MBR membrane component not Lian Jie after will treated water discharge, first back flush valves are mounted on first
On the water producing pipe of MBR film group, second back flush valves are mounted on the water producing pipe of the 2nd MBR film group, for according to predetermined
Program open or close water producing pipe to realize and produce water or the mutual backwash of bimodulus.In such a way that double films are mutually washed, MBR film can be improved
Permeability and treatment effeciency reduce cost of sewage disposal.
Pressure sensor, self priming pump, cartridge filter, automatic controller are installed in the equipment room；The pressure passes
Sensor is electrically connected with the water producing pipe in MBR membrane cisterna, to detect the pressure of the first MBR film group and the 2nd MBR film group, control system shape
State is to produce water state or backwash state, and when pressure is higher, system automatically turns on backwash function；The self priming pump and MBR film
Water producing pipe in pond is connected, and by controlling the opening and closing direction of Pneumatic three-way ball valve, control system is water outlet or backwash state, with reality
Now suction water outlet or backwash；The cartridge filter is connected with the water outlet of self priming pump, and it acts as MBR membrane cisterna is filtered when backwash
The organic matter in water, dust and impurity in sink are produced, to prevent generating secondary pollution to MBR film；The automatic controller and institute
It states pressure sensor, self priming pump, cartridge filter, the first back flush valves, the second back flush valves to be electrically connected, passes through reception
Pressure sensor detects pressure signal, judges whether to start backwash operation, starts corresponding backwash valve when pressure is higher,
Backwash is carried out to one group of film, switch valve carries out backwash to another set film after cleaning to setting time, while drift ice pair is added
Film wire is cleaned.
Further preferential technical solution is that the anaerobic pond further includes elastic filler, perforation mud return line；The bullet
Property filler solid be distributed in the effective coverage of anaerobic pond, with provide microorganism attachment place；The perforation mud return line
Aerobic tank and MBR membrane cisterna are connected, the partial sludge in two ponds is made to be back to anaerobic pond.
Further preferential technical solution is that the first aerator of the aerobic bottom of pond portion is aerated including the first tubular type
Device, tubular type aeration tube, aerobic bottom of pond portion expose mud pipe；The tube aerator is connected for aerobic tank oxygen supply with tubular type aeration tube；
The aerobic bottom of pond portion exposes mud pipe and is also connected with tubular type aeration tube to realize the effect of sludge reflux, is made by way of aeration
Part sludge reflux is to anaerobic pond in oxygen pond.Aeration tube is connected to the aeration supervisor of equipment.
Further preferential technical solution is that the equipment room is also equipped with temperature sense and visits device, fan；The temperature sense is visited
Device is located at equipment room top, is individually present, and it acts as the temperature between detection device, to control the open and-shut mode of fan；It is described
Fan has more, and effect is when equipment room temperature cools down compared with Gao Shiwei equipment room.
Further preferential technical solution is, the equipment room also installs turbine flowmeter, the turbine flowmeter with from
Sucking pump is connected, flow needed for carrying out intermittent suction to MBR film it acts as display；The effect of the self priming pump be by it is preset when
Between intermittent suction is carried out to ensure the processing capacity of MBR film to MBR film.The preset time can be 8~9min.
Further preferential technical solution is that ladder is additionally provided on the aerobic tank pool wall, and effect is convenient to overhaul.
Further preferential technical solution is that the MBR film in the first MBR film group and the 2nd MBR film group is curtain
Hollow-fibre membrane acts on other than making mud-water separation, can also realize that double films are mutually washed by the water respectively filtered out.
Further preferential technical solution is that the material of the MBR film is PVDF, filtering accuracy < 0.1 μm.
Further preferential technical solution is that the second aerator of MBR membrane cisterna bottom is aerated including the second tubular type
Device, effect are aerated to MBR membrane cisterna to reduce the blocking of film.
Further preferential technical solution is that the anaerobic pond, aerobic tank, MBR membrane cisterna and equipment room integrated setting are adopted
With Dual-layer structure, lower layer is to be sequentially connected logical anaerobic pond, aerobic tank and MBR membrane cisterna, and upper layer is equipment room, in equipment room
Each equipment is connect or is electrically connected by pipeline with each device in anaerobic pond, aerobic tank, MBR membrane cisterna.
There are following relationships with initial differential pressure P1 and upper limit pressure difference P2 by pressure difference △ P between status film for the condition of the backwash
When: △ P≤P1+15kPa=P2.Pressure difference between film when pressure difference △ P is used between the status film for membrane module；It is described initial
Pressure difference P1 is the pressure difference recorded when beginning to use membrane module；The scavenging period that sets is 15min/ time.
The utility model has the beneficial effects that: (1) carries out MBR film using the mutual backwash mode of double films that can be automatically controled
Cleaning solves the problems, such as that film blocking, cleaning difficulty are big, extends the service life of film, reduce the operating cost of MBR film；(2)
Equipment integrated design reduces the volume of sewage disposal device, reduces occupied area, reduces operating cost；(3) by setting
Sludge refluxing apparatus is set, the utilization rate of sludge is improved, reduces sludge discharge rate；(4) simultaneously in aerobic tank and MBR membrane cisterna bottom
Sludge aeration device is set, sewage treating efficiency is further improved.
Detailed description of the invention
Fig. 1 is the facade of the mutual backwash sewage disposal device of the double films of automatic control based on MBR membrane process of the utility model
Structural schematic diagram.
Fig. 2 is the vertical view of the mutual backwash sewage disposal device of the double films of automatic control based on MBR membrane process of the utility model
Structural schematic diagram.
Appended drawing reference: 1- anaerobic pond；2- aerobic tank；3-MBR membrane cisterna；4- equipment room；5- perforation water distributor；6- perforation sludge
Return pipe；7- elastic filler；The aerobic bottom of pond portion of 8- exposes mud pipe；9- tubular type aeration tube；The first tube aerator of 10-；11- ladder；
The second tube aerator of 12-；The first MBR film group of 13-；The 2nd MBR film group of 14-；15- water producing pipe；16- pressure sensor；17- gas
Dynamic three-way ball valve；18- turbine flowmeter；19- self priming pump；20- cartridge filter；Device is visited in 21- temperature sense；22- fan.
Specific embodiment
As shown in Figure 1 and Figure 2, the mutual backwash sewage disposal device of the double films of automatic control based on MBR membrane process, including anaerobism
Pond 1, aerobic tank 2, MBR membrane cisterna 3 and equipment room 4, the anaerobic pond 1, aerobic tank 2 are successively serially connected with MBR membrane cisterna 3 and are connected to.
The perforation water distributor 5 entered for sewage is provided on the anaerobic pond 1；2 bottom of aerobic tank is provided with the first aeration dress
It sets.The effect of anaerobic pond 1 is to go to denitrogenate phosphorus substance, and the effect of aerobic tank 2 is the components such as the organic pollutant in removal sewage,
The effect of MBR membrane cisterna 3 is to make mud-water separation, while further removing the pollutant components such as nitrogen phosphorus, organic matter in sewage.
The MBR membrane cisterna 3 be provided with the first MBR film group 13, the 2nd MBR film group 14, the second aerator, water producing pipe 15,
First back flush valves, the second back flush valves, second aerator are located at the bottom of MBR membrane cisterna 3, the water producing pipe 15
By treated, water is discharged after being separately connected with the first MBR film group 13 and the 2nd MBR film group 14, first backwash valve
Door is mounted on the water producing pipe 15 of the first MBR film group 13, and second back flush valves are mounted on the production water of the 2nd MBR film group 14
On pipe 15, water or the mutual backwash of bimodulus are produced to realize for opening or closing water producing pipe 15 according to scheduled program.It is mutual by double films
The permeability and treatment effeciency of MBR film can be improved in the mode washed, and reduces cost of sewage disposal.
Pressure sensor 16, self priming pump 19, cartridge filter 20, automatic controller are installed in the equipment room 4；It is described
Pressure sensor 16 is electrically connected with the water producing pipe 15 in MBR membrane cisterna 3, to detect the first MBR film group 13 and the 2nd MBR film group 14
Pressure, control system state is to produce water state or backwash state, and when pressure is higher, system automatically turns on backwash function；Institute
It states self priming pump 19 to be connected with the water producing pipe 15 in MBR membrane cisterna 3, by controlling the opening and closing direction of Pneumatic three-way ball valve 17, control system
System is water outlet or backwash state, to realize suction water outlet or backwash；The water outlet phase of the cartridge filter 20 and self priming pump 19
Even, it acts as filtering MBR membrane cisterna 3 when backwash to produce the organic matter in water, dust and impurity in sink, to prevent being produced to MBR film
Raw secondary pollution；The automatic controller and the pressure sensor 16, self priming pump 19, cartridge filter 20, first backwash
Valve, the second back flush valves are electrically connected, and are detected pressure signal by receiving pressure sensor 16, are judged whether that starting is anti-
Operation is washed, starts corresponding backwash valve when pressure is higher, backwash is carried out to one group of film, cleans to switching valve after setting time
Door carries out backwash to another set film, while drift ice is added and cleans to film wire.
The anaerobic pond 1 further includes elastic filler 7, perforation mud return line 6；7 solid of elastic filler, which is distributed in, detests
In the effective coverage in oxygen pond 1, to provide the place of microorganism attachment；The perforation mud return line 6 connects aerobic tank 2 and MBR
Membrane cisterna 3 makes the partial sludge in two ponds be back to anaerobic pond 1.
First aerator of 2 bottom of aerobic tank includes the first tube aerator 10, tubular type aeration tube 9, aerobic tank
Bottom exposes mud pipe 8；The tube aerator is connected for the oxygen supply of aerobic tank 2 with tubular type aeration tube 9；The aerobic bottom of pond portion exposes mud
Pipe 8 is also connected to realize the effect of sludge reflux with tubular type aeration tube 9, and partial sludge in aerobic tank 2 is made by way of aeration
It is back to anaerobic pond 1.Aeration tube is connected to the aeration supervisor of equipment.
The equipment room 4 is also equipped with temperature sense and visits device 21, fan 22；The temperature sense is visited device 21 and is located on equipment room 4
Portion is individually present, and it acts as between detection device 4 temperature, to control the open and-shut mode of fan 22；The fan 22 has more
Platform, effect are when 4 temperature of equipment room cools down compared with Gao Shiwei equipment room 4.
The equipment room 4 also installs turbine flowmeter 18, and the turbine flowmeter 18 is connected with self priming pump 19, it acts as
Flow needed for display carries out intermittent suction to MBR film；The effect of the self priming pump 19 is carrying out by the preset time between MBR film
Suction have a rest to ensure the processing capacity of MBR film.The preset time can be 8~9min.
Ladder 11 is additionally provided on 2 pool wall of aerobic tank, effect is convenient to overhaul.
MBR film in the first MBR film group 13 and the 2nd MBR film group 14 is curtain hollow-fibre membrane, and effect removes
Make outside mud-water separation, can also realize that double films mutually be washed by the water respectively filtered out.
The material of the MBR film is PVDF, filtering accuracy < 0.1 μm.
Second aerator of 3 bottom of MBR membrane cisterna includes the second tube aerator 12, and effect is to MBR membrane cisterna 3
It is aerated to reduce the blocking of film.
The anaerobic pond 1,4 integrated setting of aerobic tank 2, MBR membrane cisterna 3 and equipment room, using Dual-layer structure, lower layer
To be sequentially connected logical anaerobic pond 1, aerobic tank 2 and MBR membrane cisterna 3, upper layer is equipment room 4, each equipment and anaerobic pond in equipment room 4
1, aerobic tank 2, each device in MBR membrane cisterna 3 pass through pipeline connection or electrical connection.
There are following relationships with initial differential pressure P1 and upper limit pressure difference P2 by pressure difference △ P between status film for the condition of the backwash
When: △ P≤P1+15kPa=P2.Pressure difference between film when pressure difference △ P is used between the status film for membrane module；It is described initial
Pressure difference P1 is the pressure difference recorded when beginning to use membrane module；The scavenging period that sets is 15min/ time.
Above-listed detailed description is illustrating for the utility model possible embodiments, and the embodiment is not to limit
The scope of the patents of the utility model, all equivalence enforcements or change without departing from carried out by the utility model, is intended to be limited solely by this case
In the scope of the patents.
Claims (10)
1. the double mutual backwash sewage disposal devices of film of the automatic control based on MBR membrane process, which is characterized in that including anaerobic pond, good
Oxygen pond, MBR membrane cisterna and equipment room, the anaerobic pond, aerobic tank are successively serially connected with MBR membrane cisterna and are connected to；On the anaerobic pond
It is provided with the perforation water distributor entered for sewage；The aerobic bottom of pond portion is provided with the first aerator；
The MBR membrane cisterna is provided with the first MBR film group, the 2nd MBR film group, the second aerator, water producing pipe, the first backwash valve
Door, the second back flush valves, second aerator are located at the bottom of MBR membrane cisterna, the water producing pipe and the first MBR film
Treated water is discharged after not connecting for group and the 2nd MBR membrane component, and first back flush valves are mounted on the first MBR film group
Water producing pipe on, second back flush valves are mounted on the water producing pipe of the 2nd MBR film group, for beating according to scheduled program
On or off closes water producing pipe to realize and produce water or the mutual backwash of bimodulus；
Pressure sensor, self priming pump, cartridge filter, automatic controller are installed in the equipment room；The pressure sensor
It is electrically connected with the water producing pipe in MBR membrane cisterna, to detect the pressure of the first MBR film group and the 2nd MBR film group, control system state is
Water state or backwash state are produced, when pressure is higher, system automatically turns on backwash function；In the self priming pump and MBR membrane cisterna
Water producing pipe be connected, by control Pneumatic three-way ball valve opening and closing direction, control system be water outlet or backwash state, with realize take out
Water or backwash is sucked out；The cartridge filter is connected with the water outlet of self priming pump, and it acts as filter MBR membrane cisterna when backwash to produce water
In organic matter, dust and impurity in sink, to prevent to MBR film generate secondary pollution；The automatic controller and the pressure
Force snesor, self priming pump, cartridge filter, the first back flush valves, the second back flush valves are electrically connected, by receiving pressure
Sensor detects pressure signal, judges whether to start backwash operation, starts corresponding backwash valve when pressure is higher, to one
Group film carries out backwash, and switch valve carries out backwash to another set film after cleaning to setting time, while drift ice is added to film wire
It is cleaned.
2. the mutual backwash sewage disposal device of the double films of the automatic control according to claim 1 based on MBR membrane process, feature
It is, the anaerobic pond further includes elastic filler, perforation mud return line；The elastic filler solid is distributed in having for anaerobic pond
It imitates in region, to provide the place of microorganism attachment；The perforation mud return line connection aerobic tank and MBR membrane cisterna, make two
Partial sludge in pond is back to anaerobic pond.
3. the mutual backwash sewage disposal device of the double films of the automatic control according to claim 1 based on MBR membrane process, feature
It is, the first aerator of the aerobic bottom of pond portion includes the first tube aerator, tubular type aeration tube, aerobic bottom of pond portion exposure mud
Pipe；The tube aerator is connected for aerobic tank oxygen supply with tubular type aeration tube；The aerobic bottom of pond portion expose mud pipe also with tubular type
Aeration tube is connected to realize the effect of sludge reflux, makes in aerobic tank part sludge reflux to anaerobic pond by way of aeration.
4. the mutual backwash sewage disposal device of the double films of the automatic control according to claim 1 based on MBR membrane process, feature
It is, the equipment room is also equipped with temperature sense and visits device, fan；The temperature sense visits device and is located at equipment room top, is individually present,
It acts as the temperature between detection device, to control the open and-shut mode of fan；The fan has more, and effect is to work as equipment room
Temperature cools down compared with Gao Shiwei equipment room.
5. the mutual backwash sewage disposal device of the double films of the automatic control according to claim 1 based on MBR membrane process, feature
It is, the equipment room also installs turbine flowmeter, and the turbine flowmeter is connected with self priming pump, and it acts as displays to MBR
Flow needed for film carries out intermittent suction；The effect of the self priming pump is to carry out intermittent suction to MBR film by the preset time with true
Protect the processing capacity of MBR film.
6. the mutual backwash sewage disposal device of the double films of the automatic control according to claim 1 based on MBR membrane process, feature
It is, ladder is additionally provided on the aerobic tank pool wall, effect is convenient to overhaul.
7. the mutual backwash sewage disposal device of the double films of the automatic control according to claim 1 based on MBR membrane process, feature
It is, the MBR film in the first MBR film group and the 2nd MBR film group is curtain hollow-fibre membrane, is acted in addition to making muddy water
Separation is outer, can also realize that double films are mutually washed by the water respectively filtered out.
8. the mutual backwash sewage disposal device of the double films of the automatic control according to claim 7 based on MBR membrane process, feature
It is, the material of the MBR film is PVDF, filtering accuracy < 0.1 μm.
9. the mutual backwash sewage disposal device of the double films of the automatic control according to claim 1 based on MBR membrane process, feature
Be, the second aerator of MBR membrane cisterna bottom includes the second tube aerator, effect be aerated to MBR membrane cisterna with
Reduce the blocking of film.
10. at the mutual backwash sewage of the double films of the automatic control according to any one of claim 1 to 9 based on MBR membrane process
Manage equipment, which is characterized in that the anaerobic pond, aerobic tank, MBR membrane cisterna and equipment room integrated setting, using Dual-layer knot
Structure, lower layer are to be sequentially connected logical anaerobic pond, aerobic tank and MBR membrane cisterna, and upper layer is equipment room, each equipment and anaerobism in equipment room
Pond, aerobic tank, each device in MBR membrane cisterna pass through pipeline connection or electrical connection.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200650A (en) * | 2021-04-23 | 2021-08-03 | 上海大学 | Method and device for treating surfactant wastewater |
| CN118005178A (en) * | 2024-04-09 | 2024-05-10 | 安徽新宇环保科技股份有限公司 | Low-frequency MBR (Membrane biological reactor) cleaning sewage treatment device |
| CN118005178B (en) * | 2024-04-09 | 2024-06-28 | 安徽新宇环保科技股份有限公司 | Low-frequency MBR (Membrane biological reactor) cleaning sewage treatment device |
-
2019
- 2019-01-04 CN CN201920011901.9U patent/CN209468274U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200650A (en) * | 2021-04-23 | 2021-08-03 | 上海大学 | Method and device for treating surfactant wastewater |
| CN118005178A (en) * | 2024-04-09 | 2024-05-10 | 安徽新宇环保科技股份有限公司 | Low-frequency MBR (Membrane biological reactor) cleaning sewage treatment device |
| CN118005178B (en) * | 2024-04-09 | 2024-06-28 | 安徽新宇环保科技股份有限公司 | Low-frequency MBR (Membrane biological reactor) cleaning sewage treatment device |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Guohui Inventor after: Sheng Dongwen Inventor after: Wang Min Inventor before: Chen Guohui Inventor before: Sheng Dong Inventor before: Wang Min |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510000 0902a, building 6, 233 Gaotang Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: Guangdong yuekang environmental protection Co.,Ltd. Address before: 510000 0902a, building 6, 233 Gaotang Road, Tianhe District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU YUEKANG ENVIRONMENTAL ENGINEERING Co.,Ltd. |