CN109704459A - A kind of anaerobic membrane bioreactor - Google Patents
A kind of anaerobic membrane bioreactor Download PDFInfo
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- CN109704459A CN109704459A CN201811501250.8A CN201811501250A CN109704459A CN 109704459 A CN109704459 A CN 109704459A CN 201811501250 A CN201811501250 A CN 201811501250A CN 109704459 A CN109704459 A CN 109704459A
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- bellows
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Abstract
The invention discloses a kind of anaerobic membrane bioreactors, including anaerobic reactor, it fixes several bellows on the outer wall of anaerobic reactor, bellows includes bellows shell, flat membrane component, upper header, lower header, film exhaust backwash tube, upper communicating pipe, lower communicating tube and water producing pipe, bellows enclosure interior is provided with the flat membrane component of longitudinal arrangement, flat membrane component upper end water outlet is connect with upper header, upper header is connect with terminal membrane exhaust backwash tube on bellows shell, and the film exhaust backwash tube of each bellows, which collects, is connected to film exhaust backwash general pipeline；The lower end water outlet of flat membrane component is connect with lower header, and lower header is connect with bellows shell lower end water producing pipe, and each bellows water producing pipe, which collects to be connected to, produces supply mains；At the top of bellows and upper communicating pipe and lower communicating tube inside connection bellows inner cavity and anaerobic reactor is respectively set in bottom.It can be used alone after present invention piping, pond body can be placed outside, it is more convenient to use convenient for quickly laying.
Description
Technical field
The present invention relates to technical field of sewage, especially a kind of anaerobic membrane bioreactor.
Background technique
Anaerobic Methods in Treating develops the history of existing many years.Anaerobic wastewater treatment technology is because it is low with running expense, has
The biogas generation utilized and a series of superiority in terms of handling high-concentration waste water can be provided and developed faster.
Membrane separation technique can realize the separation and concentration to muddy water mixed solution under certain driving force effect, thus effectively
Retain bacterium, greatly lifting system treatment efficiency.
Membrane technology combines the separation, it can be achieved that sludge retention time and hydraulic detention time with Anaerobic Methods in Treating, makes
It obtains hydraulic detention time required for Anaerobic Treatment high concentrated organic wastewater and several days or even more than ten is shortened to by original dozens of days
Or a few houres, volume needed for reactor are substantially reduced, under the premise of guaranteeing processing requirement, processing capacity is greatly improved.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of anaerobic membrane bioreactors, can be external
It is more convenient to lay mode as a kind of filter element of miniaturization in pond body.
The present invention solves its technical problem and is achieved through the following technical solutions:
A kind of anaerobic membrane bioreactor, including anaerobic reactor, anaerobic reactor are provided with water inlet, mud discharging mouth and row
Port, it is characterised in that: several bellows are fixed on the outer wall of anaerobic reactor, bellows includes bellows shell, flat membrane
Part, upper header, lower header, film exhaust backwash tube, upper communicating pipe, lower communicating tube and water producing pipe, the setting of bellows enclosure interior
There is the flat membrane component of longitudinal arrangement, the upper end water outlet of flat membrane component is connect with upper header, and upper header is and film
The film exhaust backwash tube connection of box shell upper end, the film exhaust backwash tube of each bellows, which collects, is connected to film exhaust backwash general pipeline；It is flat
The lower end water outlet of plate membrane component is connect with lower header, and lower header is connect with the water producing pipe of bellows shell lower end, respectively
The water producing pipe of bellows, which collects to be connected to, produces supply mains；At the top of bellows and connection bellows inner cavity and anaerobic reaction is respectively set in bottom
Upper communicating pipe and lower communicating tube inside device.
Moreover, the film exhaust backwash general pipeline is annular, film exhaust backwash general pipeline is formed with film exhaust backwash mouth；The production water
General pipeline is annular, produces supply mains and connects vacuum line or siphon pipeline.
Moreover, the flat membrane component is rimless full runner flat membrane component, including film bag, porous media filler, upper end
Sealing element, lower end seal, film bag by filtration membrane its side docking weld or be bonded and sealed formed it is bag-shaped, inside film bag
Porous media filler is filled, film bag upper end is fixedly connected with upper end seal, and film bag lower end is fixedly connected with lower end seal, on
End seal, lower end seal are provided with collection chamber, the upper/lower terminal portion of porous media filler is adhesively fixed on respectively,
The edge of collection chamber inside lower end seal, forms the runner by film bag inner surface through porous media filler to collection chamber；Upper end
Sealing element is provided with the upper end water outlet being connected to collection chamber, and lower end seal is provided with the lower end water outlet being connected to collection chamber
Mouthful.
Moreover, film bag upper end is welded with upper end seal, bonded or mechanical seal is fixedly connected, film bag lower end is under
End seal welding, bonding or mechanical seal are fixedly connected.
It is supported and protects moreover, can be set inside the filtration membrane and produce water flow-guiding cloth, which is
The close grid of plastics generates flow-guiding cloth.
Moreover, the filtration membrane of the film bag uses micro-filtration diaphragm or ultrafiltration diaphragm.
Moreover, the porous media filler is using mandruka, extruded fibers silk accumulation plate or porous Jie of micropore sintered plate
Matter filler.
Moreover, the thickness of the mandruka of the porous media filler, micropore sintered plate is in 1-20mm, aperture 15-
35PPI。
Moreover, the upper end seal is provided with two upper end water outlets being connected to collection chamber, two upper end water outlets
Mouth is connect with two long tubes of upper header；The lower end seal is provided with two lower ends being connected to collection chamber and produces water
Mouthful, which connect with two long tubes of lower header.
Moreover, the collection chamber is triangular in shape, arc or trapezoidal.
The advantages and benefits of the present invention are:
1, anaerobic membrane bioreactor of the invention can be placed on ground, and anaerobic reactor water inlet connects raw water pipeline, control
Raw water water processed, mud discharging mouth run in water lines, and control water outlet water, exhaust outlet connects collecting methane pipeline；Each bellows lower part produces water
The production mouth of a river of general pipeline connects external water producing pipe road, and the film exhaust backwash mouth on bellows top connects vacuum pump and detergent line, and raw water is through entering
The mouth of a river enters anaerobic reactor, after anaerobic technique, enters bellows by upper connecting pipeline, biogas enters collecting methane through exhaust outlet
Pipeline, sludge are expelled to discharge pipe line by mud discharging mouth；Flat membrane component in bellows produces water by negative pressure or siphon produces water, produces
Water enters lower header, is pooled to water producing pipe, is produced supply mains and enters external water producing pipe road；Gas inside flat membrane component into
Enter upper header, is pooled to film exhaust backwash tube, backwash mouth is vented from film by vacuum pump and is taken away, is guaranteed inside flat membrane component
Gas flow is in reduced levels；When detecting that flat membrane component needs to clean, can stop producing water conservancy project work, detergent line passes through film
Element backwash mouth can proceed with to 20 backwash of flat membrane component, after flux recovery to be produced water conservancy project and makees.
2, anaerobic membrane bioreactor of the invention can be used alone after piping, convenient for quickly laying, realize that sludge stops
The control respectively of time and hydraulic detention time is stayed, processing capacity greatly improves.
3, anaerobic membrane bioreactor of the invention, flat membrane component are formed with upper end water outlet, lower end water outlet, above bring out
Mouth of a river lower part produces water, and producing water and can putting aside from gas influences, and siphon can be used and produce water, save self priming pump.
4, anaerobic membrane bioreactor of the invention, flat membrane component uses rimless full runner flat membrane component, in film bag
It is built-in with the mode of porous media filler, internal flow resistance can greatly be reduced by its porous structure, improves pressure effect
In the uniformity of film surface, make the more stepless actions of negative pressure aspirated on the surface of the film, rather than consumes and flowing and generating
During gas, therefore the lesser siphon operation of elevation can be used and produce water, so that production water consumption be effectively reduced.
5, anaerobic membrane bioreactor of the invention, flat membrane component uses rimless full runner flat membrane component, in film bag
It is built-in with porous media filler, film surface can be supported under a certain pressure, loosens or tighten film when pressure increases or reduces
The film surface of bag can make the film surface of film bag have elasticity, can use water impact and slightly swing, make partial sludge from film surface
Upper desorption sludge has certain self-cleaning function relative to traditional plate and frame flat membrane component.
6, anaerobic membrane bioreactor of the invention, flat membrane component uses rimless full runner flat membrane component, upper and lower
End seal is provided with collection chamber, and one end is connect with porous media filler, and one end is connect with upper and lower end water outlet；Collection chamber
Triangular in shape, arc is trapezoidal, possesses constant slope, when being placed in top, converges discharge convenient for gas and is stored in membrane cavity without becoming silted up
It is interior, collect downwards wherein when placed below convenient for water, plays the role of water distribution and press, drag losses can be reduced.
7, anaerobic membrane bioreactor of the invention, flat membrane component uses rimless full runner flat membrane component, on film bag
End with upper end seal welding, bonding or mechanical seal be fixedly connected, film bag lower end with lower end seal welding, bonding or
Mechanical seal is fixedly connected, and encapsulating mode can be used and achieve a fixed connection, and centre can bear lower pressure without Hard link mechanism
Backwash operation.
8, anaerobic membrane bioreactor of the invention can be used alone after piping as a kind of miniaturization filter element,
It can be placed outside pond body, it is more convenient to use convenient for quickly laying, and energy consumption is small, at low cost, it is easy to promote and utilize.
Detailed description of the invention
Fig. 1 is the main view of anaerobic membrane bioreactor of the invention；
Fig. 2 is the structural schematic diagram of the bellows of anaerobic membrane bioreactor of the invention；
Fig. 3 is the structural schematic diagram of the rimless full runner flat membrane component of anaerobic membrane bioreactor of the invention；
Fig. 4 is the structural schematic diagram (part of the rimless full runner flat membrane component of anaerobic membrane bioreactor of the invention
It splits)；
Fig. 5 is the structural representation of the cross section of the rimless full runner flat membrane component of anaerobic membrane bioreactor of the invention
Figure.
Detailed description of the invention
1- anaerobic reactor, 2- bellows, 3- film were vented backwash tube, 4- upper communicating pipe, 5- lower communicating tube, 6- water producing pipe, 7-
Mud discharging mouth, 8- water inlet, 9- produce the mouth of a river, 10- film is vented backwash mouth, 11- exhaust outlet, 20- flat membrane component, the upper afflux of 21-
Pipe, 22- lower header, 23- bellows shell, the exhaust of 24- film backwash general pipeline, 25- produce supply mains, 26- film bag, 27- production water water conservancy diversion
Under cloth, 28- porous media filler, the upper end seal of 29-, the upper end 30- water outlet, 31- collection chamber, 32- under end seal, 33-
Bring out the mouth of a river.
Specific embodiment
Below by specific embodiment, the invention will be further described, and it is not limit that following embodiment, which is descriptive,
Qualitatively, this does not limit the scope of protection of the present invention.
A kind of anaerobic membrane bioreactor, including anaerobic reactor 1, anaerobic reactor 1 are provided with water inlet 8, mud discharging mouth 7
And exhaust outlet 11.Several bellows 2 are fixed on the outer wall of anaerobic reactor 1, bellows 2 includes bellows shell 23, flat membrane
Part 20, upper header 21, lower header 22, film exhaust backwash tube 3, upper communicating pipe 4, lower communicating tube 5 and water producing pipe 6, bellows shell
Body 23 is internally provided with the flat membrane component of longitudinal arrangement, and the upper end water outlet 30 of flat membrane component connects with upper header 21
It connects, upper header 21 is connect with the film of bellows shell upper end exhaust backwash tube 3, and the film exhaust backwash tube 3 of each bellows 23 collects
It is connected to film exhaust backwash general pipeline 24；The lower end water outlet 33 of flat membrane component 20 is connect with lower header 22, lower header
22 connect with the water producing pipe 6 of 23 lower end of bellows shell, and the water producing pipe 6 of each bellows 2, which collects to be connected to, produces supply mains 25；In bellows
Upper communicating pipe 5 and lower communicating tube 6 inside connection 2 inner cavity of bellows and anaerobic reactor 1 is respectively set in 2 tops and bottom.Film row
Gas backwash general pipeline is annular, and film exhaust backwash general pipeline is formed with film exhaust backwash mouth, and film is vented backwash mouth 10 and connects vacuum pump；Produce water
General pipeline is annular, produces supply mains and connects vacuum line or siphon pipeline.
Flat membrane component 20 is rimless full runner flat membrane component comprising film bag 26, porous media filler 28, upper end are close
Sealing 29, lower end seal 32.Film bag 26, which is welded or is bonded and sealed in its side docking by filtration membrane, forms bag-shaped, film bag
Two surfaces inside 26, which are lined with, produces water flow-guiding cloth 27, and producing water flow-guiding cloth 27 is that the close grid of plastics generates flow-guiding cloth, is producing water
Porous media filler 28 is filled between flow-guiding cloth 27.Film bag 26 and the upper end for producing water flow-guiding cloth 27 are solid with upper end seal 29
Fixed connection, film bag 26 are fixedly connected with lower end seal 32 with the lower end for producing water flow-guiding cloth 27, film bag 26 and production water flow-guiding cloth
27 upper end is fixedly connected with the welding of upper end seal 29, bonding or mechanical seal, under film bag 26 and production water flow-guiding cloth 27
End is fixedly connected with the welding of lower end seal 32, bonding or mechanical seal.
Upper end seal 29, lower end seal 32 are provided with collection chamber 31, and upper end seal 29 is provided with and collection chamber
Two upper end water outlets 30 of 31 connections.Lower end seal 32 is provided with two lower end water outlets 33 being connected to collection chamber 31.
Collection chamber 31 is triangular in shape, arc or trapezoidal, possesses constant slope, when being placed in top, convenient for gas convergence discharge without becoming silted up
It is stored in membrane cavity, collects downwards wherein when placed below convenient for water, play the role of water distribution and press, drag losses can be reduced.
The upper/lower terminal portion of porous media filler 28 is adhesively fixed on 32 inside collection chamber 31 of upper and lower end sealing element respectively
Edge, formed from 26 inner surface of film bag through produce water flow-guiding cloth 27 again through porous media filler 28 to the runner of collection chamber 31.
The filtration membrane of film bag 26 uses micro-filtration diaphragm or ultrafiltration diaphragm；Porous media filler 28 uses mandruka, squeezes
Plastic fiber silk accumulates plate or micropore sintered plate porous media filler, the thickness of the mandruka of porous media filler, micropore sintered plate
Degree is in 1-20mm, aperture 15-35PPI.
Rimless full runner flat membrane component is placed in raw water, and holding membrane component is vertical direction, upper 29 upper end of end seal
Water outlet 30 is connected to the upper production mouth of a river 10 by upper header 2, and connects vacuum pump and detergent line, lower end seal 32
Lower end water outlet 33 produces the mouth of a river 12 by the way that the connection of lower header 8 is lower, and connects water producing pipe road.
Anaerobic membrane bioreactor of the invention can be placed on ground, and 1 water inlet of anaerobic reactor connects raw water pipeline, control
Raw water water processed, mud discharging mouth 7 run in water lines, control water outlet water.Exhaust outlet 11 connects collecting methane pipeline.Under each bellows 2
The production mouth of a river 9 that portion produces supply mains 25 connects external water producing pipe road, and the film exhaust backwash mouth 10 on 2 top of bellows connects vacuum pump and cleaning
Pipeline.
Raw water enters anaerobic reactor 1 through water inlet 8, after anaerobic technique, by entering bellows 2, biogas warp upper communicating pipe 4
Exhaust outlet 11 enters collecting methane pipeline, and sludge is expelled to discharge pipe line by mud discharging mouth 7.Flat membrane component 20 in bellows 2
Water is produced by negative pressure, water is produced and enters lower header 22, be pooled to water producing pipe 6, supply mains 25 is produced and enters external water producing pipe road.
Gas inside flat membrane component 20 enters upper header 21, is pooled to film exhaust backwash tube 3, by vacuum pump from
Film exhaust backwash mouth is taken away, guarantees that 20 interior gas amount of flat membrane component is in reduced levels.
When detecting that flat membrane component 20 needs to clean, can stop producing water conservancy project work, detergent line passes through membrane component backwash
Mouthful 10 pairs of 20 backwashes of flat membrane component can proceed with after flux recovery and produce water conservancy project and make.
When siphon produces water, the vacuum pump that is connected of film exhaust backwash mouth 10 is opened, and is taken away in flat membrane component 20 and top
Stop vacuum pump after air in header, makes hydraulically full in membrane component, unlatching water producing pipe road, under siphonage
So that raw water is penetrated film bag 26, enter in porous media filler 28 through flow-guiding cloth, then the warp of lower seal collection chamber 31 from below
Lower end water outlet 33 and lower header 9 flow into lower water producing pipe 6.
When accumulating a certain amount of gas in film bag 26, gas is converged in the collection chamber 31 of end seal 29, can be again
The secondary vacuum pump opening film exhaust backwash mouth and being connected, stops vacuum pump after taking upper air away；When film bag 26 needs to clean
When, close water producing pipe road, be pumped into medicament from film exhaust backwash mouth and impregnate or backwash membrane component, after open lower section water producing pipe road
UF membrane water-purifying process is completed in discharge.
Using in such a way that film bag 26 is built-in with porous media filler 28, inside can greatly be reduced by its porous structure
Flow resistance improves the uniformity that pressure acts on film surface, makes the more stepless actions of negative pressure aspirated on the surface of the film, and
It is not consumption during flowing and generating gas, therefore the lesser siphon operation of elevation can be used and produce water, thus effectively
It reduces and produces water consumption.
Porous media filler 28 can support film surface under a certain pressure, loosen or tighten film when pressure increases or reduces
The film surface of bag 26 can make the film surface of film bag 26 have elasticity, make partial sludge that sludge be desorbed from the film surface of film bag 26, or
It can use water impact and slightly swing, make partial sludge that sludge be desorbed from film surface, relative to traditional plate and frame plate membrane
Element has certain self-cleaning function.
Anaerobic membrane bioreactor of the invention can be used alone after piping, convenient for quickly laying, realize sludge retention
The control respectively of time and hydraulic detention time, processing capacity greatly improve.
Though the present invention discloses embodiment and attached drawing, it will be appreciated by those skilled in the art that: do not departing from this hair
In bright and spirit and scope of the appended claims, various substitutions, changes and modifications be all it is possible, therefore, model of the invention
It encloses and is not limited to the embodiment and attached drawing disclosure of that.
Claims (10)
1. a kind of anaerobic membrane bioreactor, including anaerobic reactor, anaerobic reactor is provided with water inlet, mud discharging mouth and exhaust
Mouthful, it is characterised in that: fix several bellows on the outer wall of anaerobic reactor, bellows include bellows shell, flat membrane component,
Upper header, lower header, film exhaust backwash tube, upper communicating pipe, lower communicating tube and water producing pipe, bellows enclosure interior are provided with vertical
To the flat membrane component of arrangement, the upper end water outlet of flat membrane component is connect with upper header, upper header with bellows shell
The film exhaust backwash tube connection of body upper end, the film exhaust backwash tube of each bellows, which collects, is connected to film exhaust backwash general pipeline；Plate membrane
The lower end water outlet of element is connect with lower header, and lower header is connect with the water producing pipe of bellows shell lower end, each bellows
Water producing pipe collect be connected to produce supply mains；At the top of bellows and bottom is respectively set in connection bellows inner cavity and anaerobic reactor
The upper communicating pipe in portion and lower communicating tube.
2. anaerobic membrane bioreactor according to claim 1, it is characterised in that: the film exhaust backwash general pipeline is annular,
Film exhaust backwash general pipeline is formed with film exhaust backwash mouth；The production supply mains is annular, produces supply mains and connects vacuum line or siphon
Pipeline.
3. anaerobic membrane bioreactor according to claim 1, it is characterised in that: the flat membrane component is rimless full runner
Flat membrane component, including film bag, porous media filler, upper end seal, lower end seal, film bag is by filtration membrane in its side
Welding or be bonded and sealed at docking, it is bag-shaped to be formed, and porous media filler is filled inside film bag, and film bag upper end and upper end seal are solid
Fixed connection, film bag lower end are fixedly connected with lower end seal, and upper end seal, lower end seal are provided with collection chamber, porous
The upper/lower terminal portion of medium filler is adhesively fixed on the edge of collection chamber inside upper and lower end sealing element respectively, is formed by film bag
Runner of the surface through porous media filler to collection chamber；Upper end seal is provided with the upper end water outlet being connected to collection chamber, under
End seal is provided with the lower end water outlet being connected to collection chamber.
4. anaerobic membrane bioreactor according to claim 3, it is characterised in that: film bag upper end and upper end seal weld
It connects, bond or mechanical seal is fixedly connected, film bag lower end welds with lower end seal, bond or mechanical seal is fixedly connected.
5. anaerobic membrane bioreactor according to claim 3, it is characterised in that: production can be set inside the filtration membrane
Water flow-guiding cloth is supported and protects, which is that the close grid of plastics generates flow-guiding cloth.
6. anaerobic membrane bioreactor according to claim 3, it is characterised in that: the filtration membrane of the film bag uses micro-filtration
Diaphragm or ultrafiltration diaphragm.
7. anaerobic membrane bioreactor according to claim 3, it is characterised in that: the porous media filler uses porous sea
Continuous, extruded fibers silk accumulation plate or micropore sintered plate porous media filler.
8. anaerobic membrane bioreactor according to claim 7, it is characterised in that: the porous sea of the porous media filler
The thickness of continuous, micropore sintered plate is in 1-20mm, aperture 15-35PPI.
9. anaerobic membrane bioreactor according to claim 3, it is characterised in that: the upper end seal is provided with and collects
Two upper end water outlets of chamber connection, two upper end water outlets are connect with two long tubes of upper header；The lower end is close
Sealing is provided with two lower ends being connected to collection chamber and produces the mouth of a river, two lower end water outlets with two long tubes of lower header
Connection.
10. anaerobic membrane bioreactor according to claim 3, it is characterised in that: the collection chamber is triangular in shape, arc or
Person is trapezoidal.
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