CN205442948U - Gas lift formula metal film MBR device - Google Patents
Gas lift formula metal film MBR device Download PDFInfo
- Publication number
- CN205442948U CN205442948U CN201521083528.6U CN201521083528U CN205442948U CN 205442948 U CN205442948 U CN 205442948U CN 201521083528 U CN201521083528 U CN 201521083528U CN 205442948 U CN205442948 U CN 205442948U
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- CN
- China
- Prior art keywords
- gas
- metal film
- pipe
- bioreactor
- external membrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The utility model relates to a gas lift formula metal film MBR device, including bioreactor, aerator, fan, gas lift pipe, gas storehouse, external membrane module system, clean water basin, sludge dewaterer, air compressor machine and gas holder, the aerator is connected through a tuber pipe and fan, the aerator is located bioreactor's bottom, through a duct connections between the lower part of gas lift pipe and the bioreactor, upper portion and external membrane module headtotail, accept in the gas storehouse at the middle part, the clean water basin is through the upper portion of a clear solution union coupling to external membrane module system, the top of external membrane module system is connected to bioreactor and sludge dewaterer through a dope back flow and a sludge pipe, air compressor machine and gas tank connection, gas tank connection is external membrane module system extremely. The utility model has the advantages of move reliable and stable, easy operation, operation power charge is low, the film strength is high, longe -lived, can realize that online back flush etc. Is a great deal of.
Description
Technical field
This utility model relates to a kind of MBR device, is specifically related to a kind of gas-lifting type metal film MBR device, belongs to waste water and processes and equipment for reclaiming technical field.
Background technology
Membrane bioreactor (MBR) is a kind of new type water treatment technology combined with biological processing unit by film separation unit, replacing second pond with membrane module keeps high activity sludge concentration to reduce sewage treatment facility occupation of land in bioreactor, and by keeping low sludge loading to reduce sludge quantity.Compared with traditional biochemical water technology, MBR has following main feature: treatment effeciency is high, effluent quality is good；Facility compact, floor space are little；Easy realization automatically controls, operational management is simple.
Membrane bioreactor (MBR) generally can be divided into separated type and integral type two types.Separate film biological reactor is to be placed in outside bioreactor by membrane module, the mixed liquor of bioreactor enters membrane module after pump supercharging, penetration by liquid film in mixed liquor under pressure, become system and process water, solid shaped bodies, macromolecular substances etc. are then rejected by, and are back in bioreactor with concentrated solution.The feature of separated type is stable and reliable operation, and operation management is easy, it is easy to the cleaning of film, changes and sets up, but for reducing the pollutant deposition on film surface, circulating pump the flow rate of water flow provided is the highest, higher for this power consumption；Integral type film biological reactor is to insert in bioreactor by membrane module, by vacuum pump or other types pumping, obtain filtrate, compared with separated type, the maximum feature of integral type is that to run power cost low, but in terms of operation stability, operation management and cleaned and changed on not as good as separated type, especially in terms of Membrane cleaning, wanting regular Chemical cleaning, can only carry out by off-line, this is unfavorable for extensive continuous and steady operation.
At present MBR film uses organic membrane such as polysulfone membrane, polyacrylonitrile film etc. mostly, but the pollution low, easy of organic membrane in use intensity, the life-span is short, can not realize online backwashing.
Therefore, for solving above-mentioned technical problem, the gas-lifting type metal film MBR device of a kind of innovation of necessary offer, to overcome described defect of the prior art.
Utility model content
For solving the problems referred to above, the purpose of this utility model be to provide a kind of stable and reliable operation, operation management easily, run that power cost is low, film-strength is high, life-span length, the gas-lifting type metal film MBR device of online backwashing can be realized.
For achieving the above object, the technical scheme that this utility model is taked is: a kind of gas-lifting type metal film MBR device, it includes bioreactor, aerator, blower fan, gas lift pipe, gas storehouse, external membrane component system, clear water reserviors, sludge dewatering equipment, air compressor machine and air accumulator；Wherein, described aerator is connected by an airduct and blower fan；Described aerator is positioned at the bottom of bioreactor；Being connected by a conveying pipe between bottom and the bioreactor of described gas lift pipe, top and external membrane component system connect, and middle part is contained in gas storehouse；Described clear water reserviors are connected to the top of external membrane component system by a clear liquid pipe；The top of described external membrane component system is connected to bioreactor and sludge dewatering equipment by a dope return duct and a sludge pipe respectively；Described air compressor machine and air accumulator connect；Described air accumulator is connected to external membrane component system by a backwash tube.
Gas-lifting type metal film MBR device of the present utility model is further arranged to: described external membrane component system includes shell, tube type metal film, upper sealing panel, lower seal plate, upper cover, low head, feed tube and drain pipe；Wherein, described tube type metal film is vertically contained in shell；Described upper cover and low head are respectively arranged in top and the bottom of shell；Described upper sealing panel is arranged between shell and upper cover；Described lower seal plate is arranged between shell and low head；Described feed tube is connected on low head, and its gentle riser docks；Described drain pipe is connected on upper cover, and it docks with dope return duct, sludge pipe respectively.
Gas-lifting type metal film MBR device of the present utility model is further arranged to: connecting between described gas storehouse and airduct has a trachea, is provided with electromagnetic valve in trachea.
Gas-lifting type metal film MBR device of the present utility model is further arranged to: 2 times of described gas storehouse a diameter of gas diameter riser, 3 times of a length of gas diameter riser, gas riser tube upper portion in gas storehouse opens 4～8 a diameter of gas diameter riser 1% small air inlet holes, and 4～8 a diameter of stripping tube diameter 6% air inlet macropores are opened in the gas lift pipe bottom in gas storehouse.
Gas-lifting type metal film MBR device of the present utility model is also configured to: described conveying pipe is provided with a transfer valve；Described clear liquid pipe is provided with a clear liquid valve；Described backwash tube is provided with a backwash valve.
Compared with prior art, this utility model have the advantages that gas-lifting type metal film MBR device of the present utility model have stable and reliable operation, operation management easily, run that power cost is low, film-strength is high, life-span length, the plurality of advantages such as online backwashing can be realized.
Accompanying drawing explanation
Fig. 1 is the structural representation of gas-lifting type metal film MBR device of the present utility model.
Detailed description of the invention
Refer to shown in Figure of description 1, this utility model is a kind of gas-lifting type metal film MBR device, and it is made up of several parts such as bioreactor 1, aerator 3, blower fan 2, gas lift pipe 6, gas storehouse 7, external membrane component system, clear water reserviors 22, sludge dewatering equipment 24, air compressor machine 25 and air accumulators 26.
Wherein, described aerator 3 is connected by an airduct 11 and blower fan 2.Described aerator 3 is positioned at the bottom of bioreactor 1 such that it is able to carrying out aeration in bioreactor 1.
Being connected by a conveying pipe 4 between bottom and the bioreactor 1 of described gas lift pipe 6, top and external membrane component system connect, and middle part is contained in gas storehouse 7.By conveying pipe 4, the mixed liquor of bioreactor 1 is delivered to gas lift pipe 6, be provided with a transfer valve 5 in conveying pipe 4.
Further, 2 times of described gas storehouse 7 a diameter of gas lift pipe 6 diameter, 3 times of a length of gas lift pipe 6 diameter, 4～8 a diameter of gas lift pipe 6 diameter 1% small air inlet holes are opened on gas lift pipe 6 top in gas storehouse 7, and 4～8 a diameter of stripping tube 6 diameter 6% air inlet macropores are opened in gas lift pipe 6 bottom in gas storehouse 7.Connect between described gas storehouse 7 and airduct 11 and have a trachea 8, be provided with electromagnetic valve 9 in trachea 8.
Described clear water reserviors 22 are connected to the top of external membrane component system by a clear liquid pipe 20, and it stores clear water.Described clear liquid pipe 20 is provided with a clear liquid valve 21.
The top of described external membrane component system is connected to bioreactor 1 and sludge dewatering equipment 24 by a dope return duct 10 and a sludge pipe 23 respectively.Further, described external membrane component system includes shell 12, tube type metal film 13, upper sealing panel 14, lower seal plate 15, upper cover 16, low head 17, feed tube 18 and drain pipe 19.Wherein, described tube type metal film 13 is vertically contained in shell 12, it uses a kind of intermetallic compound porous material anisotropic membrane that the metal alloys such as ferrum aluminum, titanium aluminum, nickel aluminum are formed by special manufacturing process, there is the performances such as excellent antioxidation, sulfuration resistant, anti-chlorine, anti-fluorination, there is the mechanical strength of excellence, resistance is little, flux is big, uniform pore diameter, filtering accuracy is high, and regenerability is good, service life the feature such as length.Described upper cover 16 and low head 17 are respectively arranged in top and the bottom of shell 12；Described upper sealing panel 14 is arranged between shell 12 and upper cover 16；Described lower seal plate 15 is arranged between shell 12 and low head 17；Described feed tube 18 is connected on low head 17, and its gentle riser 6 docks；Described drain pipe 19 is connected on upper cover 16, and itself and dope return duct 10, sludge pipe 23 dock.
Described air compressor machine 25 and air accumulator 26 connect；Described air accumulator 26 is connected to external membrane component system, it is thus possible to external membrane module system is carried out backwash by a backwash tube 28.Described backwash tube 28 is provided with a backwash valve 27.Open backwash valve 27 when carrying out backwash, in air accumulator 26, compressed air is entered Clear liquid tank 12 by backwash tube 28 tube type metal film 13 is carried out air-water backwashing；Described backwash frequency is backwash in 1 hour 1～5 minutes, and backwash air pressure is 0.01～0.2MPa.
The operation principle of gas-lifting type metal film MBR device of the present utility model is as follows: waste water enters bioreactor 1, carry out aeration aerobic biochemical reaction, control sludge concentration (MLSS) 5000～15000mg/L, hydraulic detention time 3～12 hours, dissolved oxygen ＞ 2mg/L；Bioreactor 1 water outlet enters external membrane component system through airlift circulation system and carries out mud-water separation, and clear liquid enters clear water reserviors 22 and discharges or reuse, and dope is back to bioreactor 1 by dope return duct 10, and excess sludge carries out processed by sludge pipe 23；In running, by backwashing system, metal film 13 being carried out high-pressure air-water backwash, to prevent fouling membrane, backwash frequency is backwash in 1 hour 1～5 minutes, and backwash air pressure is 0.01～0.2MPa.
This utility model can realize: can reach the service life of metal film 13 more than 10 years, may be implemented in line backwash.
Influent quality is: CODcr≤1000mg/L, ammonia nitrogen≤120mg/L, TP≤10mg/L, SS≤300mg/L, and after this utility model processes, effluent quality can reach: CODcr≤50mg/L, ammonia nitrogen≤5mg/L, TP≤0.5mg/L, SS≤10mg/L.
Above detailed description of the invention is only the preferred embodiment of this creation, and not in order to limit this creation, all any modification, equivalent substitution and improvement etc. done within this spirit created and principle, within should be included in the protection domain of this creation.
Claims (5)
1. a gas-lifting type metal film MBR device, it is characterised in that: include bioreactor, aerator, blower fan, gas lift pipe, gas storehouse, external membrane component system, clear water reserviors, sludge dewatering equipment, air compressor machine and air accumulator；Wherein, described aerator is connected by an airduct and blower fan；Described aerator is positioned at the bottom of bioreactor；Being connected by a conveying pipe between bottom and the bioreactor of described gas lift pipe, top and external membrane component system connect, and middle part is contained in gas storehouse；Described clear water reserviors are connected to the top of external membrane component system by a clear liquid pipe；The top of described external membrane component system is connected to bioreactor and sludge dewatering equipment by a dope return duct and a sludge pipe respectively；Described air compressor machine and air accumulator connect；Described air accumulator is connected to external membrane component system by a backwash tube.
2. gas-lifting type metal film MBR device as claimed in claim 1, it is characterised in that: described external membrane component system includes shell, tube type metal film, upper sealing panel, lower seal plate, upper cover, low head, feed tube and drain pipe；Wherein, described tube type metal film is vertically contained in shell；Described upper cover and low head are respectively arranged in top and the bottom of shell；Described upper sealing panel is arranged between shell and upper cover；Described lower seal plate is arranged between shell and low head；Described feed tube is connected on low head, and its gentle riser docks；Described drain pipe is connected on upper cover, and it docks with dope return duct, sludge pipe respectively.
3. gas-lifting type metal film MBR device as claimed in claim 1, it is characterised in that: connect between described gas storehouse and airduct and have a trachea, be provided with electromagnetic valve in trachea.
4. gas-lifting type metal film MBR device as claimed in claim 3, it is characterized in that: 2 times of described gas storehouse a diameter of gas diameter riser, 3 times of a length of gas diameter riser, gas riser tube upper portion in gas storehouse opens 4～8 a diameter of gas diameter riser 1% small air inlet holes, and 4～8 a diameter of stripping tube diameter 6% air inlet macropores are opened in the gas lift pipe bottom in gas storehouse.
5. gas-lifting type metal film MBR device as claimed in claim 1, it is characterised in that: described conveying pipe is provided with a transfer valve；Described clear liquid pipe is provided with a clear liquid valve；Described backwash tube is provided with a backwash valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521083528.6U CN205442948U (en) | 2015-12-23 | 2015-12-23 | Gas lift formula metal film MBR device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521083528.6U CN205442948U (en) | 2015-12-23 | 2015-12-23 | Gas lift formula metal film MBR device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205442948U true CN205442948U (en) | 2016-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521083528.6U Expired - Fee Related CN205442948U (en) | 2015-12-23 | 2015-12-23 | Gas lift formula metal film MBR device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205442948U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975358A (en) * | 2017-05-18 | 2017-07-25 | 深圳市微润灌溉技术有限公司 | With the tubular type membrane separator and cleaning method of tubular film material manufacture |
| CN107840449A (en) * | 2017-11-30 | 2018-03-27 | 重庆市沃利克环保设备有限公司 | MBR sewage disposal systems with sludge dewatering equipment |
-
2015
- 2015-12-23 CN CN201521083528.6U patent/CN205442948U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975358A (en) * | 2017-05-18 | 2017-07-25 | 深圳市微润灌溉技术有限公司 | With the tubular type membrane separator and cleaning method of tubular film material manufacture |
| CN107840449A (en) * | 2017-11-30 | 2018-03-27 | 重庆市沃利克环保设备有限公司 | MBR sewage disposal systems with sludge dewatering equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20211223 |