CN202116373U - Membrane bioreactor suitable for plateau sewage treatment - Google Patents

Membrane bioreactor suitable for plateau sewage treatment Download PDF

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Publication number
CN202116373U
CN202116373U CN2011202283933U CN201120228393U CN202116373U CN 202116373 U CN202116373 U CN 202116373U CN 2011202283933 U CN2011202283933 U CN 2011202283933U CN 201120228393 U CN201120228393 U CN 201120228393U CN 202116373 U CN202116373 U CN 202116373U
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CN
China
Prior art keywords
membrane
plateau
sewage
tank
wwt
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Expired - Fee Related
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CN2011202283933U
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Chinese (zh)
Inventor
索南昂旦
周保昌
潘定国
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NANJING RUIJIETE MEMBRANE SEPARATION TECHNOLOGY Co Ltd
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NANJING RUIJIETE MEMBRANE SEPARATION TECHNOLOGY Co Ltd
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Priority to CN2011202283933U priority Critical patent/CN202116373U/en
Application granted granted Critical
Publication of CN202116373U publication Critical patent/CN202116373U/en
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Abstract

The utility model discloses a membrane bioreactor suitable for plateau sewage treatment, which comprises an anoxic oxygen tank, an aerobic oxygen tank, a sewage lifting pump and an effluent self-priming pump for collecting purified sewage. A plurality of submersible mixers are arranged in the anoxic tank, and a double-folded flat membrane assembly is arranged in the aerobic tank and comprises a membrane box and a double-folded flat membrane. A flat membrane is respectively connected with suction tubes arranged at the upper portion of the membrane box, and the suction tubes are connected with the effluent self-priming pump. An aeration box is arranged at the lower portion of the membrane box, and an aerator tube is arranged at the bottom of the aeration box. By arranging the double-folded flat membrane assembly in the aerobic tank and the plurality of submersible mixers in the anoxic tank, the membrane bioreactor can adapt to changes of organic loadings and day-night temperature differences on plateaus, and can process plateaus sewage stably and reliably. Compared with a traditional sludge technology, the membrane bioreactor suitable for plateau sewage treatment has the advantages of being good in sewage treatment effects, long in stable operation period, easy to operate, convenient to maintain, small in covered floor area and the like.

Description

A kind of membrane biological reaction apparatus that is applicable to the plateau WWT
Technical field
The utility model designs a kind of waste disposal plant, is specifically related to a kind of membrane biological reaction apparatus that is applicable to the plateau WWT.
Background technology
Membrane Bio-reactor Technology has been widely used in municipal wastewater and multiple organic industrial sewage and has handled as a kind of highly effective new technique.It has combined the advantage of traditional biological treatment technology and membrane separation technique, makes full use of the effectively catching of ultra-filtration membrane to mikrobe, can effectively resist the impact that organic loading, difference variation cause, the assurance system reliably and with long-term, stable operation.
Early stage in membrane bioreactor (MBR) technological development Application Research, the plateau sewage treatment process is generally all continued to use the traditional activated sludge process technology, comprises SBR, CASS, catalytic oxidation, oxidation ditch etc.Above-mentioned traditional activated sludge process technology all exists oxygen supply deficiency on the plateau, day and night temperature variation to make that greatly the Sewage treatment systems culturing sludge is slow, sludge bulking serious, mikrobe is run off greatly; Cause sewage treatment process unstable, characteristics such as the operational management difficulty is big.
The utility model content
Goal of the invention: in order to overcome the deficiency that exists in the prior art, the utility model proposes a kind of double folding flat sheet membrane-membrane bioreactor, can guarantee that sewage treatment process is reliable, and effluent quality is good, can keep the high stability of WWT again.
Technical scheme: for solving the problems of the technologies described above; A kind of membrane biological reaction apparatus that is applicable to the plateau WWT of the utility model; Comprise anoxic pond, Aerobic Pond, sewage pump and can collection and purification after the water outlet vacuum primingpump of sewage; Said anoxic pond contains reaction tank, is provided with some diving mixers in the reaction tank; Be provided with the double folding plate film assembly in the said Aerobic Pond.
In order to reach water treatment effect preferably; Described double folding plate film assembly comprises the film case; Film case inside evenly is furnished with the identical double folding flat sheet membrane of size, and the double folding flat sheet membrane is connected with the suction tube of film upper box part respectively, and suction tube is connected with the water outlet vacuum primingpump; The film lower box part is provided with the aeration case, and aeration case bottom is provided with aeration tube, this aeration tube can be in the aeration case aeration uniformly.Plate film assembly bottom aeration tube is through providing air pocket during operation; Between flat sheet membrane, form gas-solid liquid three phase mixtures, the film surface is formed shearing force and Hydrodynamic turbulence, make the active sludge particulate be difficult to accumulate in the flat sheet membrane surface; Make face be difficult for being polluted by mud; Equipment can be for a long time, operation stably, and the activated sludge concentration of mixed solution can reach 8000~10000mg/L, further reduced the sludge disposal amount.
For effective isolating active mud, purify waste water, the surfacing of said double folding flat sheet membrane, the spacing of flat sheet membrane is 5~7mm; Described flat sheet membrane is provided with uniform hole, and the aperture in said hole is 0.1 μ m.
For fear of sewage pump idle running, said sewage pump comprises two cover levitation ball control systems, and a levitation ball control system designs in the sewage treatment process equalizing tank, and another levitation ball control system design is in Aerobic Pond.
In addition, be provided with in the said Aerobic Pond and can the Aerobic Pond mixed solution be promoted to the sludge circulation pump in the anoxic pond; Said double folding plate film assembly is connected through dosing pump with dosing tank, and said dosing tank contains blended cleaning liquor according to a certain percentage; The cleaning liquor that said dosing pump promotes in the dosing tank gets into double folding flat sheet membrane inside; Said Aerobic Pond one side is provided with gas blower, and gas blower inserts in the Aerobic Pond, makes that the interior oxygen of Aerobic Pond is sufficient.
Beneficial effect: the utility model is through adopting the double folding plate film assembly and some diving mixers being set in anoxic pond in Aerobic Pond; Double folding plate film assembly bottom aeration tube is through providing air pocket during operation; Between flat sheet membrane, form gas-solid liquid three phase mixtures, the film surface is formed shearing force and Hydrodynamic turbulence, make the active sludge particulate be difficult to accumulate in the flat sheet membrane surface; Make face be difficult for being polluted by mud; Equipment can be for a long time, operation stably, and the activated sludge concentration of mixed solution can reach 8000~10000mg/L, further reduces the sludge disposal amount; The utility model can adapt to the variation of organic loading on the plateau, day and night temperature, makes membrane biological reaction apparatus can stablize, handle reliably high raw wastewater; The utility model is compared with the mud law technology that tradition is lived, and has advantages such as good sewage processing effect, stable operation cycle is long, simple to operate, easy to maintenance, floor space is little.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of double folding plate film assembly.
Embodiment
Below in conjunction with accompanying drawing the utility model is done explanation further.
As illustrated in fig. 1 and 2; A kind of membrane biological reaction apparatus that is applicable to the plateau WWT of the utility model; Comprise anoxic pond 1, Aerobic Pond 2, sewage pump and can collection and purification after the water outlet vacuum primingpump 3 of sewage; Water outlet vacuum primingpump 3 is connected with suction tube 7, through the sewage after the negative pressure-pumping collection and purification of vacuum primingpump; Anoxic pond 1 contains reaction tank, and the reaction tank body has certain long-width ratio, is provided with the diving mixer of some different capacities in the reaction tank; Be provided with double folding plate film assembly 4 in the Aerobic Pond 2.
In the present embodiment; Double folding plate film assembly 4 comprises film case 5, and film case 5 is the stainless steel membrane case, and film case 5 inside evenly are furnished with the identical double folding flat sheet membrane of size; The double folding flat sheet membrane is connected with the suction tube 7 on film case 5 tops respectively, and this structure can reach better water treatment effect; Film case 5 bottoms are provided with aeration case 6, and aeration case 6 bottoms are provided with aeration tube 8, this aeration tube 8 can be in aeration case 6 aeration uniformly.The surfacing of double folding flat sheet membrane, the layout between the flat sheet membrane are compact more, and the spacing of flat sheet membrane is 5~7mm; Flat sheet membrane is provided with uniform hole, and the aperture in hole is 0.1 μ m, and so effectively isolating active mud is purified waste water.This device is when operation, and double folding plate film assembly 4 bottom aeration tubes 8 form gas-solid liquid three phase mixtures through air pocket is provided between flat sheet membrane; The film surface is formed shearing force and Hydrodynamic turbulence; Make the active sludge particulate be difficult to accumulate in the flat sheet membrane surface, make face be difficult for being polluted by mud, equipment can be for a long time, operation stably; And the activated sludge concentration of mixed solution can reach 8000~10000mg/L, has further reduced the sludge disposal amount.
Sewage pump in the present embodiment comprises two cover levitation ball control systems, and a levitation ball control system designs in the sewage treatment process equalizing tank, and another levitation ball control system design is in Aerobic Pond 2; Be provided with in the Aerobic Pond 2 and can Aerobic Pond 2 mixed solutions be promoted to the sludge circulation pump 9 in the anoxic pond 1; Double folding plate film assembly 4 is connected through dosing pump 10 with dosing tank 11, and said dosing tank 11 contains blended cleaning liquor according to a certain percentage; The cleaning liquor that said dosing pump 10 promotes in the dosing tank 11 gets into double folding flat sheet membrane inside, soaks certain hour and recovers flat sheet membrane actual motion flux; Aerobic Pond 2 one sides are provided with gas blower 12, and gas blower 12 inserts in the Aerobic Pond 2, make that Aerobic Pond 2 interior oxygen are sufficient.Also comprise automatic control system in this enforcement, Design of Automatic Control System has different control units, and the system electromechanical equipment is implemented separately and jointly controlled.
The utility model in use, sewage stirs down in the rotation of diving mixer in the anoxic pond 1, mikrobe fully contacts in sewage and the anoxic pond 1, partial organic substances and nitrate nitrogen are in the action of microorganisms removal of degrading.Sewage is through flow in the Aerobic Pond 2 certainly subsequently; Sewage gets in the Aerobic Pond 2 and further contacts with aerobic microbiological, under biotransformation, further removes the organism in the sewage; Transform ammonia nitrogen etc.; Be arranged on double folding membrane module in the Aerobic Pond 2 under the effect of vacuum primingpump, separate mixed solutions in the Aerobic Pond 2, handles clean sewage and be purified through double folding flat sheet membrane outflow Aerobic Pond 2.The sludge circulation pump 9 of arranging in the Aerobic Pond 2 carries Aerobic Pond 2 interior mixed solutions to get into anoxic pond 1 according to certain throughput ratio, and is main through biological transformation function removal ammonia nitrogen.The operation of total system electromechanical equipment is by unified system control; Water level control in lift pump conditioned pond and the Aerobic Pond 2; In the equalizing tank during high liquid level lift pump start, lift pump cuts out during low liquid level, lift pump is controlled by Aerobic Pond 2 inner float balls also simultaneously; Lift pump cuts out during high liquid level, and lift pump starts water supply to anoxic pond 1 in during designated water level; System is also carried out time control to vacuum primingpump; Vacuum primingpump is according to the certain rule intermittent operation; System can be according to the start-stop time of programmed settings vacuum primingpump; Major function is to satisfy using the double folding flat sheet membrane to carry out the protection of science, slows down the double folding flat sheet membrane and receives the film pollution in actual use, influences its water outlet water yield; System is also carried out control to gas blower 12 and recycle pump, guarantees its safe operation.
The above only is the preferred implementation of the utility model; Be noted that for those skilled in the art; Under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.

Claims (7)

1. membrane biological reaction apparatus that is applicable to the plateau WWT; Comprise anoxic pond (1), Aerobic Pond (2), sewage pump and can collection and purification after the water outlet vacuum primingpump (3) of sewage; It is characterized in that: said anoxic pond (1) contains reaction tank, is provided with some diving mixers in the reaction tank; Be provided with double folding plate film assembly (4) in the said Aerobic Pond (2).
2. the membrane biological reaction apparatus that is applicable to the plateau WWT according to claim 1; It is characterized in that: described double folding plate film assembly (4) comprises film case (5); The inner identical double folding flat sheet membrane of size that evenly is furnished with of film case (5); The double folding flat sheet membrane is connected with the suction tube (7) on film case (5) top respectively, and suction tube (7) is connected with water outlet vacuum primingpump (3); Film case (5) bottom is provided with aeration case (6), and aeration case (6) bottom is provided with aeration tube (8).
3. the membrane biological reaction apparatus that is applicable to the plateau WWT according to claim 2 is characterized in that: the surfacing of said double folding flat sheet membrane, the spacing of flat sheet membrane are 5~7mm.
4. the membrane biological reaction apparatus that is applicable to the plateau WWT according to claim 3 is characterized in that: described flat sheet membrane is provided with uniform hole, and the aperture in said hole is 0.1 μ m.
5. according to each described membrane biological reaction apparatus that is applicable to the plateau WWT of claim 1 to 4; It is characterized in that: said sewage pump comprises two cover levitation ball control systems; The design of one levitation ball control system is in the sewage treatment process equalizing tank, and another levitation ball control system design is in Aerobic Pond (2).
6. according to each described membrane biological reaction apparatus that is applicable to the plateau WWT of claim 1 to 4, it is characterized in that: be provided with in the said Aerobic Pond (2) and can Aerobic Pond (2) mixed solution be promoted to the sludge circulation pump (9) in the anoxic pond (1).
7. according to each described membrane biological reaction apparatus that is applicable to the plateau WWT of claim 1 to 4, it is characterized in that: said double folding plate film assembly (4) is connected through dosing pump (10) with dosing tank (11), and said dosing tank (11) contains scavenging solution.
CN2011202283933U 2011-06-30 2011-06-30 Membrane bioreactor suitable for plateau sewage treatment Expired - Fee Related CN202116373U (en)

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Application Number Priority Date Filing Date Title
CN2011202283933U CN202116373U (en) 2011-06-30 2011-06-30 Membrane bioreactor suitable for plateau sewage treatment

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Application Number Priority Date Filing Date Title
CN2011202283933U CN202116373U (en) 2011-06-30 2011-06-30 Membrane bioreactor suitable for plateau sewage treatment

Publications (1)

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CN202116373U true CN202116373U (en) 2012-01-18

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103435158A (en) * 2013-07-20 2013-12-11 北京工业大学 Method for reinforcing phosphorus removal and membrane pollution delaying of MBR
CN106115896A (en) * 2016-06-22 2016-11-16 南京瑞洁特膜分离科技有限公司 A kind of modularity nitration denitrification membrane bioreactor
CN106698666A (en) * 2017-03-15 2017-05-24 南京瑞洁特膜分离科技有限公司 Assembled membrane bioreactor
CN112142186A (en) * 2020-10-21 2020-12-29 中科广化(重庆)新材料研究院有限公司 Oxygenation type plateau sewage treatment plant

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103435158A (en) * 2013-07-20 2013-12-11 北京工业大学 Method for reinforcing phosphorus removal and membrane pollution delaying of MBR
CN103435158B (en) * 2013-07-20 2016-01-06 北京工业大学 A kind of method strengthening MBR dephosphorization and lessening membrane fouling
CN106115896A (en) * 2016-06-22 2016-11-16 南京瑞洁特膜分离科技有限公司 A kind of modularity nitration denitrification membrane bioreactor
CN106698666A (en) * 2017-03-15 2017-05-24 南京瑞洁特膜分离科技有限公司 Assembled membrane bioreactor
CN112142186A (en) * 2020-10-21 2020-12-29 中科广化(重庆)新材料研究院有限公司 Oxygenation type plateau sewage treatment plant

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120118

Termination date: 20120630