CN205856261U - A kind of compound aerobic membrane bioreactor - Google Patents
A kind of compound aerobic membrane bioreactor Download PDFInfo
- Publication number
- CN205856261U CN205856261U CN201620807042.0U CN201620807042U CN205856261U CN 205856261 U CN205856261 U CN 205856261U CN 201620807042 U CN201620807042 U CN 201620807042U CN 205856261 U CN205856261 U CN 205856261U
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- Prior art keywords
- return duct
- water return
- muddy water
- biological reaction
- membrane
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Abstract
nullThis utility model relates to a kind of compound aerobic membrane bioreactor，Including compound oxygen compatibility pool、Membrane biological reaction pond、Clear water sterilization pool、Stripping reflux device，Described compound oxygen compatibility pool top is provided with water inlet and overfall，It is provided with water hole bottom described compound oxygen compatibility pool，Described water hole connects bottom described membrane biological reaction pond，Described membrane biological reaction pond is connected with described clear water sterilization pool，Described stripping reflux device includes muddy water return duct and airduct，Described muddy water return duct connects described compound oxygen compatibility pool and membrane biological reaction pond，The entrance of described muddy water return duct is arranged on bottom described membrane biological reaction pond，The outlet of described muddy water return duct is arranged on described compound oxygen compatibility pool upper end，The air outlet of described airduct is arranged on described muddy water return duct and communicates with described muddy water return duct，The distinguished and admirable outlet to described muddy water return duct of described airduct blowout.This utility model is easy to maintenance, convenient, and operating cost is low, and floor space is little.
Description
Technical field
This utility model belongs to sewage treatment area, relates to a kind of compound aerobic membrane bioreactor.
Background technology
In conventional membrane bioreactor, simply substitute second pond with membrane module and realize solid-liquid separation, want denitrogenation dephosphorizing,
In addition to aerated portion, also need to arrange anaerobic part and anoxia part.So strengthen the size of membrane bioreactor, so that increasing
The input cost that the land area of sewage disposal device and reactor manufacture.
Mainly dive under water centrifugal dirty water pump, diving mud of the reflux pump that at present in membrane bioreactor, sludge reflux is conventional returns
Stream pump, submersible axial flow pump etc., these pumps need frequent maintenance during using, once break down, and maintenance is part fiber crops
Tired thing.Investigation according to the study, existing great majority membrane bioreactor all occur in that the phenomenon of " getting sun ", reason is main
Having: maintenance and repair difficulty, operating cost is high, without professional person's management etc..
Utility model content
For the deficiencies in the prior art, this utility model aims to provide a kind of compound aerobic membrane bioreactor, maintenance letter
Single, convenient, operating cost is low, and floor space is little.
Of the present utility model it is achieved through the following technical solutions.
A kind of compound aerobic membrane bioreactor, including compound oxygen compatibility pool, membrane biological reaction pond, clear water sterilization pool, air stripping
Reflux, described compound oxygen compatibility pool top is provided with water inlet and overfall, is provided with water hole, institute bottom described compound oxygen compatibility pool
Stating water hole to connect bottom described membrane biological reaction pond, described membrane biological reaction pond is connected with described clear water sterilization pool, described
Stripping reflux device includes muddy water return duct and airduct, and described muddy water return duct connects described compound oxygen compatibility pool and membrane biological reaction
Pond, the entrance of described muddy water return duct is arranged on bottom described membrane biological reaction pond, and the outlet of described muddy water return duct is arranged on
Described compound oxygen compatibility pool upper end, the air outlet of described airduct be arranged on described muddy water return duct and with described muddy water return duct
Communicate, the distinguished and admirable outlet to described muddy water return duct of described airduct blowout.
Preferably, it is provided with aerator in described compound oxygen compatibility pool and membrane biological reaction pond.
Preferably, described aerator is aeration plate, and described aeration plate is arranged on bottom described compound oxygen compatibility pool with described
Bottom membrane biological reaction pond.
Preferably, being provided with membrane module in described membrane biological reaction pond, described membrane module is connected with described clear water sterilization pool.
Preferably, described membrane module is connected with described clear water sterilization pool by water pipe and self priming pump.
Preferably, away from one end of described water hole in described membrane module is arranged on described membrane biological reaction pond.
Preferably, the angle of described airduct and described muddy water return duct is less than 90 ° so that the blowout of described airduct distinguished and admirable to
The outlet of described muddy water return duct.
Preferably, described airduct is not more than 60 ° with the angle of described muddy water return duct so that it is distinguished and admirable that described airduct blows out
Outlet to described muddy water return duct.
Preferably, described airduct is 30-50 ° with the angle of described muddy water return duct so that it is distinguished and admirable that described airduct blows out
Outlet to described muddy water return duct.
Preferably, described airduct is 45 ° with the angle of described muddy water return duct so that it is distinguished and admirable to institute that described airduct blows out
State the outlet of muddy water return duct.
Preferably, the caliber of described airduct and muddy water return duct is than for 1:2-1:3.
Preferably, the caliber of described airduct and muddy water return duct is than for 1:2.1-1:2.9.
Preferably, the caliber of described airduct and muddy water return duct is than for 1:2.2-1:2.8.
Preferably, the caliber of described airduct and muddy water return duct is than for 1:2.3-1:2.7.
Preferably, the caliber of described airduct and muddy water return duct is than for 1:2.4-1:2.6.
Preferably, the caliber of described airduct and muddy water return duct is than for 1:2.5.
Preferably, the DN of described airduct is 20-32mm, and the DN of described muddy water return duct is 40-65mm.
Preferably, the outlet that described airduct is arranged on from described muddy water return duct is not less than on the muddy water return duct of 1M.
Preferably, the outlet that described airduct is arranged on from described muddy water return duct is not less than on the muddy water return duct of 1.5M.
Preferably, described airduct is arranged on the muddy water return duct of the entrance 1-2M of described muddy water return duct.
Preferably, away from the one of described water hole in the entrance of described muddy water return duct is arranged on described membrane biological reaction pond
End.
Preferably, the outlet of described muddy water return duct is less than 20cm below described compound oxygen compatibility pool liquid level.
Preferably, ullage in the outlet of described muddy water return duct is arranged on described compound oxygen compatibility pool.
Preferably, the outlet of described muddy water return duct is arranged in described compound oxygen compatibility pool under liquid level, and described muddy water refluxes
The outlet of pipe is not more than 20cm from the liquid level of described compound oxygen compatibility pool.
Preferably, it is provided with activated sludge in described membrane biological reaction pond.
Preferably, the power set that moving air is provided also are included for described airduct.
Preferably, also include that blower fan, described blower fan are connected with described airduct, provide air for described airduct.
Preferably, described blower fan is connected with described aeration plate, provides air for described aeration plate.
Preferably, described clear water sterilization pool is provided with outlet.
Preferably, it is provided with combined stuffing in described compound oxygen compatibility pool.
Preferably, described combined stuffing includes fibre bundle, plastic sheet, sleeve pipe, axial cord.
Preferably, described compound aerobic membrane bioreactor becomes horizontal tank body shape, described compound oxygen compatibility pool, membrane biological reaction
Pond, clear water sterilization pool are arranged in order and are arranged in described horizontal tank body.
Preferably, it is additionally provided with control room between described membrane biological reaction pond and clear water sterilization pool.
Preferably, described horizontal tank base is provided with base.
Preferably, described horizontal tank body is provided with some access holes, described access hole lay respectively at described compound oxygen compatibility pool,
Membrane biological reaction pond, the top of clear water sterilization pool.
Preferably, described horizontal tank body is provided with membrane module maintenance door, and described membrane module maintenance door is positioned at described membrane module
Top.
Preferably, the concentration activated sludge not less than 3mg/l it is provided with in described membrane biological reaction pond.
Preferably, it is provided with, in described membrane biological reaction pond, the activated sludge that concentration is 7000-12000mg/l.
Compared with prior art, the utility model has the advantages that: this utility model utilizes stripping reflux device to carry out activity
Sludge reflux, directly leads out airduct at original blower fan to aeration plate offer air and is connected with muddy water return duct, dimension
It is simple, convenient to repair, and operating cost is low；This utility model is combined aerobic membrane bioreactor sludge concentration 7000mg/L-
12000mg/L, conventional activated sludge method sludge concentration 3mg/L-4mg/L, therefore, compound aerobic membrane bioreactor hydraulic retention
Time, more conventional activated sludge process was short, and floor space is little；This utility model is combined aerobic membrane bioreactor and utilizes the filtration of film
Activated sludge is trapped in one end of film by effect, and relatively activated sludge process eliminates sedimentation tank, saves land area；This utility model
Saving obvious energy conservation compared with similar products, floor space is little compared with sewage treatment plant, and Automatic Control saves labour force, significantly
Being shorter than the construction of wastewater treatment plant time, after installation, water outlet can be the most up to standard, due to water outlet can reuse, the investment payback time is short.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model；
Fig. 2 is plan structure schematic diagram of the present utility model；
Fig. 3 is stripping reflux device partial view of the present utility model；
In figure: 1. be combined oxygen compatibility pool, 2. membrane biological reaction pond, 3. clear water sterilization pool, 4. stripping reflux device, 5. cross water
Hole, 6. aeration plate, 7. water pipe, 8. self priming pump, 9. blower fan, 10. control room, 11. horizontal tank bodies, 12. bases, 13. access holes,
14. membrane module maintenance doors, 101. water inlets, 102. overfalls, 103. combined stuffings, 201. membrane modules, 301. outlets, 401.
Muddy water return duct, 402. airducts.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as of the present utility model
Limit.
As shown in Figure 1 to Figure 3, a kind of compound aerobic membrane bioreactor, including compound oxygen compatibility pool 1, membrane biological reaction pond
2, clear water sterilization pool 3, stripping reflux device 4, described compound oxygen compatibility pool 1 top is provided with water inlet 101 and overfall 102, described
Being provided with combined stuffing 103 in compound oxygen compatibility pool 1, described combined stuffing 103 includes fibre bundle (not shown), plastic sheet (figure
Not shown in), sleeve pipe (not shown), axial cord (not shown), be provided with water hole 5 bottom described compound oxygen compatibility pool 1,
Described water hole 5 connects bottom described membrane biological reaction pond 2, bottom described compound oxygen compatibility pool 1 and described membrane biological reaction pond 2
Bottom is provided with aeration plate 6, is provided with membrane module 201 and the concentration activated sludge not less than 3mg/l in described membrane biological reaction pond 2
(not shown), preferred concentration is the activated sludge of 7000-12000mg/l, and it is biological that described membrane module 201 is arranged on described film
Away from one end of described water hole 5 in reaction tank 2, described membrane module 201 is sterilized with described clear water by water pipe 7 and self priming pump 8
Pond 3 connects, and described clear water sterilization pool 3 is provided with outlet 301, and described stripping reflux device 4 includes muddy water return duct 401 and airduct
402, described muddy water return duct 401 connects described compound oxygen compatibility pool 1 and membrane biological reaction pond 2, entering of described muddy water return duct 401
Mouth is arranged on the one end bottom described membrane biological reaction pond 2 away from described water hole 5, and the outlet of described muddy water return duct 401 sets
Putting in described compound oxygen compatibility pool 1 upper end, the outlet of described muddy water return duct 401 is less than below described compound oxygen compatibility pool 1 liquid level
20cm, is preferably provided at ullage in described compound oxygen compatibility pool 1, and the air outlet of described airduct 402 is arranged on described muddy water and returns
Communicating in flow tube 401 and with described muddy water return duct 401, described airduct 402 is less than with the angle of described muddy water return duct 401
90 °, preferably 45 ° so that the distinguished and admirable outlet to described muddy water return duct 401 of described airduct 402 blowout, described airduct 402 with
The caliber of muddy water return duct 401 is than for 1:2-1:3, preferably 1:2.5, and the DN of described airduct 402 is 20-32mm, preferably 20mm, institute
The DN stating muddy water return duct 401 is 40-65mm, preferably 50mm, and described airduct 402 is arranged on from described muddy water return duct 401
Outlet is not less than on the muddy water return duct 401 of 1M, preferably from the muddy water return duct 401 of entrance 1M of described muddy water return duct 401
Upper (muddy water return duct 401 length is not less than 2M), described compound aerobic membrane bioreactor also includes for described airduct 402 and exposes
Gas dish 6 provides the blower fan 9 of moving air.
As preferred embodiment, described compound aerobic membrane bioreactor becomes horizontal tank body 11 shape, described compound double
Oxygen pond 1, membrane biological reaction pond 2, clear water sterilization pool 3 are arranged in order and are arranged in described horizontal tank body 11, described membrane biological reaction
Being additionally provided with control room 10 between pond 2 and clear water sterilization pool 3, described blower fan 9, self priming pump 8 are arranged in described control room 10, described
It is additionally provided with electric control cabinet (not shown) in control room 10, bottom described horizontal tank body 11, is provided with base 12, described horizontal
Tank body 11 is provided with some access holes 13, described access hole 13 lay respectively at described compound oxygen compatibility pool 1, membrane biological reaction pond 2,
The top of clear water sterilization pool 3, described horizontal tank body 11 is provided with membrane module 201 and overhauls door 14, and described membrane module 201 overhauls door 14
It is positioned at above described membrane module 201.
Operation principle: this utility model sewage enters compound oxygen compatibility pool 1 by elevator pump from water inlet 101, and sewage is by upper
Carrying out hypoxia response in compound oxygen compatibility pool 1 under to, after reaction, the mouth of a river of crossing bottom compound oxygen compatibility pool 1 enters membrane bioreaction
Answering pond 2, carry out aerobe reaction in the membrane biological reaction pond 2 containing activated sludge, ammonia nitrogen is by nitrification simultaneously, at film biology
The reacted mud mixture of reaction tank 2 is divided into two parts, and a part of mud mixture carries out muddy water by membrane module 201 and divides
From, the clear water after process is discharged in entering membrane tube by film surface, and activated sludge is trapped within membrane biological reaction pond 2, separately
A part of mud mixture is back to compound oxygen compatibility pool 1 by stripping reflux device 4, and the airduct 402 in stripping reflux device 4 leads to
Enter the moving air of certain flow rate (moving air speed is 5-15m/s, preferably 10m/s), make muddy water return duct 401 produce negative pressure
Driving mud mixture to be back to compound oxygen compatibility pool 1, sewage carries out hypoxia response and anti-nitration reaction in compound oxygen compatibility pool 1,
The water filtered out by membrane module 201 is entered clear water sterilization pool 3 and carries out disinfection, by the outer row of outlet 301 after clear water is up to standard.
The foregoing is only this utility model preferred embodiment, not thereby limit embodiment of the present utility model and
Protection domain, to those skilled in the art, it should in can appreciate that all utilization this utility model description and diagram
Equivalent done by appearance and the scheme obtained by obvious change, all should be included in protection model of the present utility model
In enclosing.
Claims (10)
1. a compound aerobic membrane bioreactor, it is characterised in that include that compound oxygen compatibility pool, membrane biological reaction pond, clear water disappear
Poison pond, stripping reflux device, described compound oxygen compatibility pool top is provided with water inlet and overfall, is provided with bottom described compound oxygen compatibility pool
Water hole, described water hole connects bottom described membrane biological reaction pond, described membrane biological reaction pond and described clear water sterilization pool
Connecting, described stripping reflux device includes muddy water return duct and airduct, described muddy water return duct connect described compound oxygen compatibility pool and
Membrane biological reaction pond, the entrance of described muddy water return duct is arranged on bottom described membrane biological reaction pond, described muddy water return duct
Outlet be arranged on described compound oxygen compatibility pool upper end, the air outlet of described airduct be arranged on described muddy water return duct and with described mud
Water return duct communicates, the distinguished and admirable outlet to described muddy water return duct of described airduct blowout.
Compound aerobic membrane bioreactor the most according to claim 1, it is characterised in that be provided with in described compound oxygen compatibility pool
Combined stuffing, is provided with aerator in described compound oxygen compatibility pool and membrane biological reaction pond.
Compound aerobic membrane bioreactor the most according to claim 1, it is characterised in that set in described membrane biological reaction pond
Having membrane module, described membrane module to be arranged in described membrane biological reaction pond the one end away from described water hole, described membrane module leads to
Cross water pipe and self priming pump to be connected with described clear water sterilization pool.
Compound aerobic membrane bioreactor the most according to claim 1, it is characterised in that described airduct returns with described muddy water
The angle of flow tube is not more than 60 ° so that the distinguished and admirable outlet to described muddy water return duct of described airduct blowout.
Compound aerobic membrane bioreactor the most according to claim 1, it is characterised in that described airduct and muddy water return duct
Caliber than for 1:2-1:3.
Compound aerobic membrane bioreactor the most according to claim 1, it is characterised in that described airduct is arranged on from described
The outlet of muddy water return duct is not less than on the muddy water return duct of 1M.
Compound aerobic membrane bioreactor the most according to claim 1, it is characterised in that the entrance of described muddy water return duct
Being arranged in described membrane biological reaction pond the one end away from described water hole, the outlet of described muddy water return duct is less than described multiple
Close below oxygen compatibility pool liquid level 20cm.
Compound aerobic membrane bioreactor the most according to claim 1, it is characterised in that set in described membrane biological reaction pond
The activated sludge having concentration to be 7000-12000mg/l.
Compound aerobic membrane bioreactor the most according to claim 1, it is characterised in that described compound aerobic membrane bioreaction
Answer device to become horizontal tank body shape, described compound oxygen compatibility pool, membrane biological reaction pond, clear water sterilization pool be arranged in order be arranged on described horizontal
In tank body, between described membrane biological reaction pond and clear water sterilization pool, it is additionally provided with control room.
Compound aerobic membrane bioreactor the most according to claim 9, it is characterised in that described horizontal tank base sets
Having base, described horizontal tank body to be provided with some access holes, described access hole lays respectively at described compound oxygen compatibility pool, membrane bioreaction
Ying Chi, the top of clear water sterilization pool, described horizontal tank body is additionally provided with membrane module maintenance door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620807042.0U CN205856261U (en) | 2016-07-28 | 2016-07-28 | A kind of compound aerobic membrane bioreactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620807042.0U CN205856261U (en) | 2016-07-28 | 2016-07-28 | A kind of compound aerobic membrane bioreactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205856261U true CN205856261U (en) | 2017-01-04 |
Family
ID=57653048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620807042.0U Expired - Fee Related CN205856261U (en) | 2016-07-28 | 2016-07-28 | A kind of compound aerobic membrane bioreactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205856261U (en) |
-
2016
- 2016-07-28 CN CN201620807042.0U patent/CN205856261U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 330000 Jiangxi city of Nanchang province Zhao Xian Zhen Dong Lu, Tianning Wanli District No. 707 Patentee after: Jiangxi Xiashi spring environmental Limited by Share Ltd Address before: 330000 Jiangxi Province, Nanchang city East Lake District Yu Zhang Road No. 1 Patentee before: Jiangxi Xia's Spring Environment Investment Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20200728 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |