CN202766387U - Mud-membrane symbiotic hybrid membrane bioreactor - Google Patents
Mud-membrane symbiotic hybrid membrane bioreactor Download PDFInfo
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- CN202766387U CN202766387U CN 201220477226 CN201220477226U CN202766387U CN 202766387 U CN202766387 U CN 202766387U CN 201220477226 CN201220477226 CN 201220477226 CN 201220477226 U CN201220477226 U CN 201220477226U CN 202766387 U CN202766387 U CN 202766387U
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Abstract
The utility model relates to a mud-membrane symbiotic hybrid membrane bioreactor which comprises an anaerobic baffling unit, an oxygen deficit unit, a contact oxidation unit and a membrane bioreactor unit. The anaerobic baffling unit is communicated with the oxygen deficit unit through a first water passing hole, the oxygen deficit unit is communicated with the contact oxidation unit through a second water passing hole, a mixed liquor return pipe is arranged on the side wall of the oxygen deficit unit close to the second water passing hole and is communicated with a water inlet end of the anaerobic baffling unit, the contact oxidation unit is communicated with the membrane bioreactor unit through a third water passing hole, and the membrane bioreactor unit is communicated with the oxygen deficit unit through a through-wall return pump. The bioreactor is mainly used for treating and recycling domestic sewage, micro-polluted source water, industrial wastewater and high-ammonia nitrogen organic industrial wastewater.
Description
Technical field
The utility model relates to sewage and waste water treatment device, particularly processing and the reuse of sanitary sewage, micro-polluted source water, trade effluent and high ammonia nitrogen organic industrial sewage.
Background technology
China's Freshwater resources are shortage extremely, and Freshwater resources only are 1/3 of world average per capita.In more than 660 city of China, approximately 400 in lack of water city, approximately 108 in the city of serious water shortage.The annual industry of China, sanitary sewage quantity discharged reach more than 600 hundred million m
3, 90% urban waters is subject to pollution in various degree.The dirty waste water of efficient processing how, making its recycling or qualified discharge is the important topic of dirty field of waste water treatment.At present, dirty wastewater treatment commonly used has the techniques such as activated sludge process, biomembrance process, membrane bioreactor.
Activated sludge process is the microbial suspension growing system, and biomembrance process is the attached growth of microorganisms system, and two kinds of techniques respectively have relative merits.The activated sludge process biological phosphate-eliminating requires sludge age shorter, and the nitrated sludge age that requires of ammonia nitrogen is longer, and the two often can not be taken into account.Filler in the bio membrane process is conducive to nitrobacteria growth, but is unfavorable for the polyP bacteria growth, and biological phosphor-removing effect is relatively poor.Composite bioreactor is by suspension growth microorganism and the coefficient bio-reactor of apposition growth microorganism.The microorganism sludge age of apposition growth is longer in the composite bioreactor, is conducive to the nitrifier biological growth; The microorganism of suspension growth can be controlled at shorter sludge age state, and repeatedly is in anaerobism, anoxic, aerobic environment, is conducive to biological phosphate-eliminating.Composite bioreactor can be taken into account the requirement of biological denitrificaion and biological phosphate-eliminating preferably, but the difficult microbial film of cultivating and coming off of the microorganism that still has the suspension growth problem such as difficult precipitation.
Membrane bioreactor (MBR) technique is the combination of dirty water living creature processing technique and membrane separation technique.Sewage in reactor through biological treatment finish to the decomposition of organic pollution materials with transform after, utilize the high efficiency separation of microfiltration membrane (MF) or ultra-filtration membrane (UF) to finish the solid-liquid separation of sewage, thereby reach decontamination effect improving.Be arranged at membrane module in the reactor and can replace second pond in the traditional technology and conventional filtration, absorbing unit fully, hydraulic detention time (HRT) is separated fully with sludge age (SRT), and obtain effluent quality stable, high-quality.Although MBR has the advantages such as effluent quality is good, floor space is little, surplus sludge volume is few, but still has two broad aspect problems:
The problem of mould material itself comprises that easy film pollutes, the mould material cost is high/problems such as flux is low, film fracture of wire;
The process optimization of film and application problem comprise that energy consumption is high, technical process form and Application Areas need the problems such as constantly research.
Immediate prior art is: the utility model of patent 201120242413.2 discloses a kind of reused water processing device take micropollutant water as the water source, comprise conventional unit for treating water, set up the Biological Pretreatment unit in the fore portion of conventional unit for treating water, and set up the advanced treatment film unit in the rear section of conventional unit for treating water; Described Biological Pretreatment unit is connected to form successively by anaerobic pond, anaerobic hydrolysis acidification pool, biological contact oxidation pond; Described advanced treatment film unit is membrane bioreactor.This device has certain advantage, but this device mainly is the processing for micro-polluted water, does not relate to processing and the reuse of sanitary sewage, trade effluent and high ammonia nitrogen organic industrial sewage; Microorganism mainly is attached on the carrier with the microbial film form in this device, not mentioned mud film cogeneration system, and this device volumetric loading is relatively low, and energy consumption is higher.
The utility model content
The purpose of this utility model is in order to solve the problems such as denitrogenation conflicts with the desired sludge age of dephosphorization in the easy film pollution of membrane bioreactor, the activated sludge process, the bio membrane process biological phosphor-removing effect is relatively poor, but be intended to provide a kind of effluent quality good and reuse, synchronous denitrification dephosphorizing is effective, preventing membrane pollution, energy consumption is low, volumetric loading is high, and is stable, takes up an area few mud film symbiosis combined film bioreactor (being called for short the HBR-MBR reactor).
For addressing the above problem, technical solutions of the utility model are:
A kind of mud film symbiosis combined film bioreactor comprises anaerobic baffled unit, anoxic unit, catalytic oxidation unit and membrane biological reaction unit;
One top side wall of described anaerobic baffled unit is provided with water inlet pipe; Anaerobic baffled unit is communicated with anoxic unit by the I water hole, and wherein the I water hole is arranged on the shared sidewall of anaerobic baffled unit and anoxic unit;
The floating stuffing I is arranged in the described anoxic unit, floats the dual-purpose machine of aeration agitation under the liquid is installed in the middle part; Anoxic unit is communicated with the catalytic oxidation unit by the II water hole, and wherein the II water hole is arranged on the sidewall of anoxic unit and catalytic oxidation units shared; The anoxic unit sidewall is provided with mixed-liquor return pipe and the mixed-liquor return pump that is installed on the mixed-liquor return pipe near II water hole place, and this mixed-liquor return pipe is communicated with the feed-water end of anaerobic baffled unit;
Described catalytic oxidation has the floating stuffing II in the unit, and the bottom is provided with micro-hole aerator; The catalytic oxidation unit is communicated with the membrane biological reaction unit by the III water hole, and wherein the III water hole is arranged on the sidewall of catalytic oxidation unit and membrane biological reaction units shared;
Inside, described membrane biological reaction unit is provided with at least one group of film group device, and the film group device top is provided with rising pipe, is provided with suction pump on this rising pipe; Film group device bottom is provided with the boring aeration device, and every group or the boring aeration device of organizing the film group device bottom connect the airduct II more, and the airduct II is provided with pulse valve; Be provided with shore pipe at the bottom of the membrane biological reaction unit cells, this shore pipe is connected with sludge pump; The membrane biological reaction unit is communicated with anoxic unit by reflux pump through walls, and wherein reflux pump through walls is arranged on the lower sidewall that membrane biological reaction unit and anoxic unit share.
Described I water hole, II water hole, III water hole and reflux pump through walls place preferably all are vertically installed with screen cloth.
Described film group device is preferably hollow fiber film assembly or plate type membrane assembly.
Described anaerobic baffled unit preferably is composed in series by many lattice baffling chamber, and the body elasticity filler is set up at middle part, every lattice baffling chamber, and vertical baffle is established in the centre; Every lattice baffling chamber, the bottom is provided with bucket, and each bucket bottom is provided with extraction mud pipe, and this extraction mud pipe is connected with slush pump.
Described bucket is preferably the taper bucket.
The below does further explanation and explanation to the utility model:
Described anaerobic baffled unit is in series by many lattice baffling chamber, and bottom, every lattice baffling chamber arranges the taper bucket, and each bucket bottom arranges extraction mud pipe, and extraction mud pipe connects slush pump.The body elasticity filler is set up at every lattice baffling chamber middle part, and vertical baffle is established in the centre, current then walk around vertically downward first baffle plate more vertically upward baffling advance, react by every lattice one by one, have good hydraulic flow state.
Described anoxic unit includes floating stuffing, and the anoxic unit liquid level floats the dual-purpose machine of aeration agitation under the liquid is installed, and the dual-purpose owner of aeration agitation will play the mix and blend effect under the liquid, but also aeration in case of necessity.The partition wall of anoxic unit and anaerobic baffled unit, catalytic oxidation unit and membrane biological reaction unit arranges water hole, and the water hole place vertically arranges screen cloth, and screen cloth works to cut off each unit floating stuffing.Anoxic unit arranges the mixed-liquor return pipe, and the mixed-liquor return pipe is connected with the mixed-liquor return pump.
Described catalytic oxidation unit includes floating stuffing, and the bottom is provided with micro-hole aerator, and aerating system provides the required oxygen amount of microbial reaction and keeps gas-solid-liquid good mixing state.
Described membrane biological reaction arranges at least one group of film group device in the unit, and film group device adopts hollow fiber ultrafiltration membrane module or flat micro-filtration membrane module.Film group device adopts the water outlet of suction pump negative pressure-pumping.The membrane biological reaction unit bottom arranges the boring aeration device, adopts the pulse aeration.The sidewall of catalytic oxidation unit and membrane biological reaction units shared arranges water hole, and the water hole place vertically arranges screen cloth, and screen cloth works to cut off each unit floating stuffing.Membrane biological reaction unit and anoxic unit partition wall middle and lower part arrange a reflux pump through walls, and the nitrification liquid of membrane biological reaction unit is back to anoxic unit by reflux pump through walls.
Water hole arranges screen cloth and cuts off each unit floating stuffing between described each unit; Screen cloth adopts the corrosion-resistant materials such as stainless steel, glass reinforced plastic, urethane.Floating stuffing is selected from one or more in column floating stuffing, spherical suspending filling material, urethane biologic packing material or the combined suspension filler.
Reflux ratio is the ratio of volumetric flow rate with the water inlet volumetric flow rate of recirculation water.
Gas-water ratio is aeration volume air quantity and the ratio of water inlet volumetric flow rate.
The utlity model has following characteristics:
1, has suspension growth and apposition growth microorganism in anaerobic baffled unit, anoxic unit and the catalytic oxidation unit, the two performance advantage separately, shared is removed the effect of pollutent, have advantages of suspension growth method efficient height and apposition growth method strong adaptability and good stability, processing power is stronger.The membrane biological reaction unit only contains the suspension growth microorganism, can control lower suspended sludge concentration (MLSS) and extracellular polymeric (EPS) concentration, reaches the purpose of decelerating membrane pollution.
2, HBR-MBR reactor water outlet ammonia nitrogen concentration is lower than active sludge MBR, and the ability of anti-shock loading is enhanced simultaneously.The microbial film that forms because of the intervention of bio-carrier has multilayered structure, the from outside to inside increase because of oxygen transmission resistance forms oxygen concentration gradient, and then consist of outer take aerobic as main internal layer take anoxic or anaerobism as main microenvironment, be conducive to improve the biological carbon and phosphorous removal ability of system.
3, employing is anaerobic baffled, and energy reinforced anaerobic treatment effect reduces the aerobic treatment unit volume, thereby reduces energy consumption.Adopt the pulse aeration can reduce the MBR aeration energy consumption, can satisfy microorganism oxygen requirement and film Scouring Condition simultaneously, keep the higher cross-flow velocity in film silk surface, alleviate film and pollute.
4, adopt the MBR membrane technique, replace second pond, have the advance of MBR technique, can solve in simple biomembrance process because the microbial film that comes off is difficult to precipitate the problem that causes suspended substance to exceed standard.Can hold back difficult accumulation microorganism, be easy to form mud film syntaxial system when improving the water outlet quality, strengthen synchronous denitrification dephosphorizing.
5, adopt new suspended packing, directly throw in, need not fix, have the characteristics such as biological attachment power is strong, specific surface area is large, surplus sludge volume is few.Anoxic unit and catalytic oxidation list, the water hole between catalytic oxidation unit and the membrane bioreactor all adopts stainless steel mesh, can effectively separate floating stuffing, keeps the quantity of each unit filler.
Compared with prior art, the utility model main advantage is:
Device of the present utility model, but so that effluent quality is good and reuse, synchronous denitrification dephosphorizing is effective, preventing membrane pollution, energy consumption is low, and volumetric loading is high, and is stable, takes up an area few.
Description of drawings
Fig. 1 is the two dimensional structure schematic diagram of mud film symbiosis combined film bioreactor of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1;
Fig. 4 is the C-C sectional view of Fig. 1;
Fig. 5 is the utility model sewage treatment process figure;
In the drawings, the anaerobic baffled unit of 1-; The 2-anoxic unit; 3-catalytic oxidation unit; 4-membrane biological reaction unit; The 5-water inlet pipe; 6-baffling chamber; The 7-3 D elastic filler; The 8-vertical baffle; The 9-bucket; The 10-extraction mud pipe; The 11-slush pump; 12-I water hole; 13-floating stuffing I; The dual-purpose machine of 14-aeration agitation; 15-II water hole; 16-mixed-liquor return pipe; 17-mixed-liquor return pump; 18-floating stuffing II; The 19-micro-hole aerator; 20-III water hole; 21-boring aeration device; The 22-film group device; The 23-rising pipe; 24-reflux pump through walls; The 25-screen cloth; The 26-suction pump; The 27-shore pipe; The 28-sludge pump; The 29-pulse valve; The 30-gas blower; 31-airduct I; 32-airduct II.
Embodiment
In conjunction with the accompanying drawings and embodiments the utility model is described further down.
Embodiment 1
By Fig. 1～Fig. 5 as can be known, a kind of mud film symbiosis combined film bioreactor comprises anaerobic baffled unit (1), anoxic unit (2), catalytic oxidation unit (3) and membrane biological reaction unit (4);
One top side wall of described anaerobic baffled unit (1) is provided with water inlet pipe (5); Anaerobic baffled unit (1) is communicated with anoxic unit (2) by I water hole (12), and wherein I water hole (12) is arranged on the shared sidewall of anaerobic baffled unit (1) and anoxic unit (2);
Floating stuffing I (13) is arranged in the described anoxic unit (2), floats the dual-purpose machine of aeration agitation (14) under the liquid is installed in the middle part; Anoxic unit (2) is communicated with catalytic oxidation unit (3) by II water hole (15), and wherein II water hole (15) is arranged on the shared sidewall in anoxic unit (2) and catalytic oxidation unit (3); Anoxic unit (2) sidewall is located to be provided with mixed-liquor return pipe (16) near II water hole (15) and is installed in mixed-liquor return pump (17) on the mixed-liquor return pipe (16), and this mixed-liquor return pipe (16) is communicated with the feed-water end of anaerobic baffled unit (1);
Floating stuffing II (18) is arranged in the described catalytic oxidation unit (3), and the bottom is provided with micro-hole aerator (19); Catalytic oxidation unit (3) is communicated with membrane biological reaction unit (4) by III water hole (20), and wherein III water hole (20) is arranged on the shared sidewall in catalytic oxidation unit (3) and membrane biological reaction unit (4);
Inside, described membrane biological reaction unit (4) is provided with at least one group of film group device (22), and film group device (22) top is provided with rising pipe (23), is provided with suction pump (26) on this rising pipe (23); Film group device (22) bottom is provided with boring aeration device (21), and every group or the boring aeration device (21) of organizing the film group device bottom connect airduct II (32) more, and airduct II (32) is provided with pulse valve (29); Membrane biological reaction unit (4) is provided with shore pipe (27) at the bottom of the pond, and this shore pipe (27) is connected with sludge pump (28); Membrane biological reaction unit (4) is communicated with anoxic unit (2) by reflux pump through walls (24), and wherein reflux pump through walls (24) is arranged on membrane biological reaction unit (4) lower sidewall shared with anoxic unit (2).
Described film group device (22) is hollow fiber film assembly or plate type membrane assembly.
Described anaerobic baffled unit (1) is composed in series by many lattice baffling chamber (6), and body elasticity filler (7) is set up at middle part, every lattice baffling chamber (6), and vertical baffle (8) is established in the centre; Every lattice baffling chamber, the bottom is provided with bucket (9), and each bucket bottom is provided with extraction mud pipe (10), and this extraction mud pipe (10) is connected with slush pump (11).
Described bucket (9) is the taper bucket.
Described I water hole (12), II water hole (15), III water hole (20) and reflux pump through walls (24) locate all to be vertically installed with screen cloth (25).
Use
(such as processing such as sanitary sewage process grid, sand settings) enters anaerobic baffled unit through the pretreated dirty waste water of front end, current then walk around vertically downward first baffle plate more vertically upward baffling advance, react by every lattice one by one, have good hydraulic flow state.The acidication reaction of hardly degraded organic substance is mainly finished in anaerobic baffled unit, improves Biodegradability of Wastewater, simultaneously, finishes the anaerobic phosphorus release reaction.
Described anoxic unit includes floating stuffing I(column floating stuffing), the anoxic unit liquid level floats the dual-purpose machine of aeration agitation under the liquid is installed, and the dual-purpose owner of aeration agitation will play the mix and blend effect under the liquid, but also aeration in case of necessity.The partition wall of anoxic unit and anaerobic baffled unit, catalytic oxidation unit and membrane biological reaction unit arranges water hole, and the water hole place vertically arranges screen cloth, and screen cloth works to cut off each unit floating stuffing.Membrane biological reaction unit nitrification liquid is back to anoxic unit and carries out anti-nitration reaction, and nitrate nitrogen becomes nitrogen, finishes denitrogenation.Organism in the water outlet of anaerobic baffled unit can provide anti-nitration reaction required carbon source.Anoxic unit arranges the mixed-liquor return pipe, and the mixed-liquor return pipe is connected with the mixed-liquor return pump.An anoxic unit water outlet part is back to anaerobic baffled unit, greatly reduces nitric nitrogen to the detrimentally affect of anaerobic phosphorus release reaction, and another part is from flowing into the catalytic oxidation unit.
Described catalytic oxidation unit includes floating stuffing II(column floating stuffing), the bottom is provided with micro-hole aerator, and aerating system provides the required oxygen amount of microbial reaction and keeps gas-solid-liquid good mixing state.Organism in the dirty waste water is degraded by microbiological oxidation at this, and ammonia nitrogen is oxidized to nitrate nitrogen or nitrite nitrogen.Soluble phosphate is cut down by spoil disposal by the excessive absorption of microorganism.
Many group film group devices are set in the described membrane biological reaction unit, and film group device adopts hollow fiber film assembly or plate type membrane assembly.Film group device adopts the water outlet of suction pump negative pressure-pumping.The membrane biological reaction unit bottom arranges the boring aeration device, adopts the pulse aeration.Partition wall between catalytic oxidation unit and membrane biological reaction unit arranges water hole, and the water hole place vertically arranges screen cloth, and screen cloth works to cut off each unit floating stuffing.Membrane biological reaction unit and anoxic unit partition wall middle and lower part arrange a reflux pump through walls, and the nitrification liquid of membrane biological reaction unit is back to anoxic unit by reflux pump through walls.Membrane biological reaction unit can further degrade COD, ammonia nitrogen and excessive suction phosphorus.Biological respinse unit inner suspension sludge concentration (MLSS) general control is at 2000～2500mg/L, to slow down the obstruction of membrane bioreactor fenestra.
Use
Carry out the method for sewage disposal and reuse with 1 one kinds of mud films of embodiment symbiosis combined film bioreactor and process sanitary sewage, concrete steps are:
(1) sewage enters anaerobic baffled unit by water inlet pipe and finishes the acidication reaction, finishes simultaneously the anaerobic phosphorus release reaction, controls anaerobic baffled unit dissolved oxygen≤0.2mg/L;
(2) anaerobic baffled unit water outlet enters the anoxic unit reaction, control anoxic unit dissolved oxygen≤0.5mg/L; An anoxic unit water outlet part (mixed solution) is back to anaerobic baffled unit, control reflux ratio 25%-100%, and another part enters the catalytic oxidation unit, control catalytic oxidation unit dissolved oxygen 2mg/L-6mg/L; Organism in the dirty waste water is degraded by microbiological oxidation in the catalytic oxidation unit, and ammonia nitrogen is oxidized to nitrate nitrogen or nitrite nitrogen; Soluble phosphate is cut down by spoil disposal by the excessive absorption of microorganism;
(3) water outlet of catalytic oxidation unit enters after the membrane biological reaction cell processing by the water outlet of suction pump negative pressure-pumping, controlling diaphragm biological respinse unit dissolved oxygen 2mg/L-6mg/L, suspended sludge concentration 2000 mg/L～2500 mg/L, the membrane biological reaction unit adopts pulse valve control air quantity, carry out the pulse aeration to reduce aeration energy consumption, average gas-water ratio≤15:1; The water outlet of membrane biological reaction unit is extracted out from the membrane module top by suction pump; The muddy water mixed solution that contains nitrite or nitrate nitrogen (nitrification liquid) of membrane biological reaction unit is partly refluxed to anoxic unit and carries out anti-nitration reaction, control reflux ratio 50%-200%, and wherein nitrite or nitrate nitrogen denitrification becomes nitrogen, finishes denitrogenation.
Wherein, influent quality: COD mean value 302.6mg/L, BOD
5Mean value 114.2mg/L, NH
3-N mean value 19.8mg/L, TP mean value 1.56mg/L.
Effluent quality: COD mean value 25.6mg/L, BOD
5Mean value 4.4mg/L, NH
3-N mean value 1.8mg/L, TP mean value 0.34mg/L, delivery turbidity is less than 1NTU." urban sewage reutilization city, city miscellaneous water water quality " (GBT 18920-2002) city miscellaneous water water quality standard is satisfied in water outlet after sterilization, but reuse is as this subdistrict greening water or flushing supply.
Clearance: COD 91.5%, BOD
596.1%, NH
3-N 90.9%, and TP 78.2%.
Operation process condition: the hydraulic detention time 1h of anaerobic baffled unit (1), dissolved oxygen≤0.2mg/L; The hydraulic detention time 1.5h of anoxic unit (2), dissolved oxygen≤0.5mg/L; The hydraulic detention time 3h of catalytic oxidation unit (3), dissolved oxygen 2-6mg/L; The hydraulic detention time 1.5h of membrane biological reaction unit (4), dissolved oxygen 2-6mg/L, suspended sludge concentration 2000～2500 mg/L, average gas-water ratio≤15:1.
Claims (5)
1. a mud film symbiosis combined film bioreactor comprises anaerobic baffled unit (1), anoxic unit (2), catalytic oxidation unit (3) and membrane biological reaction unit (4); It is characterized in that,
One top side wall of described anaerobic baffled unit (1) is provided with water inlet pipe (5); Anaerobic baffled unit (1) is communicated with anoxic unit (2) by I water hole (12), and wherein I water hole (12) is arranged on the shared sidewall of anaerobic baffled unit (1) and anoxic unit (2);
Floating stuffing I (13) is arranged in the described anoxic unit (2), floats the dual-purpose machine of aeration agitation (14) under the liquid is installed in the middle part; Anoxic unit (2) is communicated with catalytic oxidation unit (3) by II water hole (15), and wherein II water hole (15) is arranged on the shared sidewall in anoxic unit (2) and catalytic oxidation unit (3); Anoxic unit (2) sidewall is located to be provided with mixed-liquor return pipe (16) near II water hole (15) and is installed in mixed-liquor return pump (17) on the mixed-liquor return pipe (16), and this mixed-liquor return pipe (16) is communicated with the feed-water end of anaerobic baffled unit (1);
Floating stuffing II (18) is arranged in the described catalytic oxidation unit (3), and the bottom is provided with micro-hole aerator (19); Catalytic oxidation unit (3) is communicated with membrane biological reaction unit (4) by III water hole (20), and wherein III water hole (20) is arranged on the shared sidewall in catalytic oxidation unit (3) and membrane biological reaction unit (4);
Inside, described membrane biological reaction unit (4) is provided with at least one group of film group device (22), and film group device (22) top is provided with rising pipe (23), is provided with suction pump (26) on this rising pipe (23); Film group device (22) bottom is provided with boring aeration device (21), and every group or the boring aeration device (21) of organizing the film group device bottom connect airduct II (32) more, and airduct II (32) is provided with pulse valve (29); Membrane biological reaction unit (4) is provided with shore pipe (27) at the bottom of the pond, and this shore pipe (27) is connected with sludge pump (28); Membrane biological reaction unit (4) is communicated with anoxic unit (2) by reflux pump through walls (24), and wherein reflux pump through walls (24) is arranged on membrane biological reaction unit (4) lower sidewall shared with anoxic unit (2).
2. described a kind of mud film symbiosis combined film bioreactor according to claim 1 is characterized in that, described I water hole (12), II water hole (15), III water hole (20) and reflux pump through walls (24) locate all to be vertically installed with screen cloth (25).
3. described a kind of mud film symbiosis combined film bioreactor according to claim 1 and 2 is characterized in that, described film group device (22) is hollow fiber film assembly or plate type membrane assembly.
4. described a kind of mud film symbiosis combined film bioreactor according to claim 1 and 2, it is characterized in that, described anaerobic baffled unit (1) is composed in series by many lattice baffling chamber (6), and body elasticity filler (7) is set up at middle part, every lattice baffling chamber (6), and vertical baffle (8) is established in the centre; Every lattice baffling chamber, the bottom is provided with bucket (9), and each bucket bottom is provided with extraction mud pipe (10), and this extraction mud pipe (10) is connected with slush pump (11).
5. described a kind of mud film symbiosis combined film bioreactor according to claim 4 is characterized in that, described bucket (9) is the taper bucket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220477226 CN202766387U (en) | 2012-09-19 | 2012-09-19 | Mud-membrane symbiotic hybrid membrane bioreactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220477226 CN202766387U (en) | 2012-09-19 | 2012-09-19 | Mud-membrane symbiotic hybrid membrane bioreactor |
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ID=47772975
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826655A (en) * | 2012-09-19 | 2012-12-19 | 中国水电顾问集团中南勘测设计研究院 | Mud film intergrowth combined type membrane bioreactor and method for treating and recycling sewage thereof |
| CN104944686A (en) * | 2015-05-29 | 2015-09-30 | 江苏建筑职业技术学院 | Complete equipment used for dispersing dirty waste water and deeply processing |
| CN108689549A (en) * | 2017-04-12 | 2018-10-23 | 天津华水水务工程有限公司 | A kind of high-efficient carrier biological membrane type purifier |
-
2012
- 2012-09-19 CN CN 201220477226 patent/CN202766387U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826655A (en) * | 2012-09-19 | 2012-12-19 | 中国水电顾问集团中南勘测设计研究院 | Mud film intergrowth combined type membrane bioreactor and method for treating and recycling sewage thereof |
| CN102826655B (en) * | 2012-09-19 | 2013-09-04 | 中国水电顾问集团中南勘测设计研究院 | Mud film intergrowth combined type membrane bioreactor and method for treating and recycling sewage thereof |
| CN104944686A (en) * | 2015-05-29 | 2015-09-30 | 江苏建筑职业技术学院 | Complete equipment used for dispersing dirty waste water and deeply processing |
| CN108689549A (en) * | 2017-04-12 | 2018-10-23 | 天津华水水务工程有限公司 | A kind of high-efficient carrier biological membrane type purifier |
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