CN201367385Y - Membrane bioreactor sewage disposal device - Google Patents
Membrane bioreactor sewage disposal device Download PDFInfo
- Publication number
- CN201367385Y CN201367385Y CNU2009200527866U CN200920052786U CN201367385Y CN 201367385 Y CN201367385 Y CN 201367385Y CN U2009200527866 U CNU2009200527866 U CN U2009200527866U CN 200920052786 U CN200920052786 U CN 200920052786U CN 201367385 Y CN201367385 Y CN 201367385Y
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- CN
- China
- Prior art keywords
- membrane
- membrane bioreactor
- sandfiltration pot
- water
- waste disposal
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- 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.)
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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
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- Separation Using Semi-Permeable Membranes (AREA)
- Activated Sludge Processes (AREA)
Abstract
The utility model belongs to the technical field of sewage disposal devices, and particularly relates to a membrane bioreactor sewage disposal device; the device comprises a regulating reservoir, a sand filtration tank, a membrane bioreactor and a reservoir successively communicated through pipelines, wherein the membrane bioreactor comprises a reaction chamber, a membrane system, an aeration device and a back washing system, the membrane system is immersed in the reaction chamber, the aeration device is arranged underneath the membrane system, the membrane system comprises membrane components, the aeration device comprises aerated conduits, the membrane components are arranged in accordance with the aerated conduits, and the back washing system is communicated with the membrane system through the pipeline; by arranging the membrane components in accordance with the aerated conduits, the membrane pollution can be restrained satisfactorily, the membrane hole stoppage can be prevented, the filtration flux of the membrane can be guaranteed, and the aeration energy consumption can be saved; the back washing system can achieve the function of periodically back washing the membrane components, which is very convenient, so as to guarantee the normal application of the membrane components; the utility model has the advantages of simple assembly, low energy consumption, low running cost, and convenient washing and maintenance.
Description
Technical field:
The utility model belongs to the waste disposal plant technical field, particularly a kind of membrane bioreactor waste disposal plant.
Background technology:
(Membrane Bioreator is that a kind of high-efficiency sewage with membrane separation technique and the combination of traditional biological treatment technology is handled and reclamation set MBR) to membrane bioreactor.In the MBR system, each pollutant of sewage is mainly removed by the biochemical action of microorganism, but different with the traditional biological treatment unit is, membrane module has substituted second pond thoroughly separates muddy water with its high efficiency separation effect, this makes that sludge retention time and hydraulic detention time can be separate, the accumulation of special efficacy bacterium in the increase of activated sludge concentration and the active sludge has improved biochemical reaction rate in the biochemical reaction case.Microorganism no longer passes through gravitational settling with separating of water, but under the driving of pressure, water molecules and other small-molecule substances of part can pass through film, and microorganism and macromolecular substance then tunicle are trapped in the reaction box, thereby make system obtain good effluent quality.MBR has solved outstanding problems such as the ubiquitous effluent quality instability of traditional wastewater treatment unit, floor space are big, control complexity substantially, especially aspect reuse of wastewater, MBR can be processed into sanitary sewage, municipal effluent or close with it trade effluent the high quality reuse water of purposes such as can be used as city miscellaneous water, industrial circulating cooling water with settling at one go, receive academic widely the concern at present in worldwide just day by day, large-scale engineering is used and is also increased gradually.
Adaptability that membrane bioreactor is good and treatment effect confirmed by numerous academic research and engineering practice, but compare with comparatively sophisticated other waste disposal plants at present, owing to high-intensity aeration causes the operation energy consumption height; Cause the maintenance management complexity owing to the membrane module cleaning operation is complicated.This two big outstanding problem has limited membrane bioreactor to a great extent and has really realized industrialization.How under the prerequisite that effectively controlling diaphragm pollutes, reduce the energy consumption of aeration on the one hand as far as possible, develop easy, easy row on the other hand, film cleans measure reliably, is the key point that comprehensively solves aforementioned two problems.
The utility model content:
The purpose of this utility model is to provide at the deficiencies in the prior art that a kind of device is simple, energy consumption is low, running cost is low, clean and maintenance membrane bioreactor waste disposal plant easily.
For achieving the above object, the utility model adopts following technical scheme:
A kind of membrane bioreactor waste disposal plant, comprise the equalizing tank, sandfiltration pot, membrane bioreactor and the water reservoir that are communicated with successively by pipeline, described membrane bioreactor comprises reaction box, film system, aerating apparatus and back-purge system, the film system is immersed in the reaction box, aerating apparatus is arranged on film system below, and the film system comprises membrane module, and aerating apparatus comprises aerated conduit, the corresponding setting with aerated conduit of membrane module, back-purge system is connected by pipeline with the film system.
Wherein, described membrane bioreactor also comprises water inlet system, and water inlet system is connected with reaction box by pipeline, and water inlet system comprises intake pump, water inlet pipe, and intake pump is connected with water inlet pipe, and water inlet pipe is connected with reaction box.
Wherein, described sandfiltration pot comprises tank body, is arranged on the sandfiltration pot water-in of tank body one side, sandfiltration pot water outlet, sandfiltration pot water inlet pipe, sandfiltration pot rising pipe, the sandfiltration pot water outlet is positioned at the top of sandfiltration pot water-in, the sandfiltration pot water-in is communicated with the sandfiltration pot water inlet pipe, the sandfiltration pot water outlet is communicated with the sandfiltration pot rising pipe, the sandfiltration pot water-in is communicated with a water pressure gauge, and the sandfiltration pot sewage draining exit is arranged on the lower end of tank body.
Wherein, described sandfiltration pot water outlet is communicated with water inlet pipe by gate valve.
Wherein, described membrane bioreactor also comprises outlet system, and outlet system is connected with reaction box by pipeline, and outlet system comprises water pump, rising pipe, goes out water pump and is connected with rising pipe.
Wherein, described rising pipe is connected with water reservoir.
Wherein, described back-purge system comprises backwashing pump, backwash tube and magnetic valve composition, and backwash tube is connected with the port of membrane module.
Wherein, described membrane module is the tubular fibre curtain type membrane, the composite membrane of tubular fibre curtain type membrane for being made of in non-netted fabric polyvinylidene fluoride material infiltration.
Wherein, described aerated conduit adopts the variable orifice aeration flexible pipe.
Wherein, also be provided with upflow tube on the described membrane bioreactor, the pipeline that passes through of upflow tube is connected with equalizing tank.
The utility model beneficial effect is: a kind of membrane bioreactor waste disposal plant, comprise the equalizing tank, sandfiltration pot, membrane bioreactor and the water reservoir that are communicated with successively by pipeline, described membrane bioreactor comprise reaction box, film system, aerating apparatus and back-purge system, the film system is immersed in the reaction box, aerating apparatus is arranged on film system below, the film system comprises membrane module, aerating apparatus comprises aerated conduit, the corresponding setting with aerated conduit of membrane module, back-purge system is connected by pipeline with the film system.Membrane module and aerated conduit are corresponding to be provided with, be evenly distributed, provide essential air for the microbiological degradation organic pollutant on the one hand, impel the film surface of mixed solution to form upflow velocity on the other hand, hinder pollutent by washing away of consequent shearing force and bubble and deposit, can suppress film preferably and pollute, prevent that fenestra from stopping up on the film surface, guarantee the filtration flux of film, saved aeration energy consumption.Back-purge system plays the effect of regular back flushing membrane module, and it is convenient to clean, and guarantees the normal use of membrane module.Assembling of the present utility model is simple, and energy consumption is low, and running cost is low, and clean and maintenance is convenient.
Description of drawings:
Fig. 1 is a device schema of the present utility model;
Fig. 2 is the structural representation one of membrane bioreactor;
Fig. 3 is the structural representation two of membrane bioreactor;
Fig. 4 is the membrane module pipe connection front view of membrane bioreactor;
Fig. 5 is the membrane module pipe connection vertical view of membrane bioreactor;
Fig. 6 is the front view of sandfiltration pot;
Fig. 7 is the right view of sandfiltration pot.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described, sees accompanying drawing 1-7.
A kind of membrane bioreactor waste disposal plant, comprise the equalizing tank 1, sandfiltration pot 2, membrane bioreactor 3 and the water reservoir 4 that are communicated with successively by pipeline, described membrane bioreactor 3 comprises reaction box 31, film system, aerating apparatus and back-purge system, the film system is immersed in the reaction box 31, aerating apparatus is arranged on film system below, the film system comprises membrane module 32, aerating apparatus comprises aerated conduit 33, membrane module 32 and aerated conduit 33 corresponding settings, back-purge system is connected by pipeline with the film system.
The described membrane bioreactor 3 of present embodiment also comprises water inlet system, and water inlet system is connected with reaction box 31 by pipeline, and water inlet system comprises intake pump 34, water inlet pipe 35, and intake pump 34 is connected with water inlet pipe 35, and water inlet pipe 35 is connected with reaction box 31.
The described sandfiltration pot 2 of present embodiment comprises tank body 21, is arranged on sandfiltration pot water-in 22, sandfiltration pot water outlet 23, sandfiltration pot water inlet pipe 24, the sandfiltration pot rising pipe 25 of tank body 21 1 sides, sandfiltration pot water outlet 23 is positioned at the top of sandfiltration pot water-in 22, sandfiltration pot water-in 22 is communicated with sandfiltration pot water inlet pipe 24, sandfiltration pot water outlet 23 is communicated with sandfiltration pot rising pipe 25, sandfiltration pot water-in 22 is communicated with a water pressure gauge 26, and sandfiltration pot sewage draining exit 27 is arranged on the lower end of tank body 21.
Present embodiment sandfiltration pot water outlet 23 is communicated with water inlet pipe 35 by gate valve.
The described membrane bioreactor 3 of present embodiment also comprises outlet system, and outlet system is connected with reaction box 31 by pipeline, and outlet system comprises water pump 36, rising pipe 37, goes out water pump 36 and is connected with rising pipe 37.
The described rising pipe 35 of present embodiment is connected with water reservoir 4.
The described back-purge system of present embodiment comprises backwashing pump, backwash tube 39, magnetic valve 40, and backwash tube 39 is connected with the port of membrane module 32.
The described membrane module 32 of present embodiment is the tubular fibre curtain type membrane, the composite membrane of tubular fibre curtain type membrane for being made of in non-netted fabric polyvinylidene fluoride material infiltration.Polyvinylidene difluoride (PVDF) PVDF is a kind of fluorinated polymer, has 3,000,000-4,000,000 molecular weight, and stronger physical strength and chemical strength are arranged.The structure of film is by fiber PET enhanced tubular fibre curtain type membrane, and the pvdf membrane material permeates in non-netted fabric, and such structure of composite membrane has not only guaranteed filtering precision, has also strengthened film strength.
The described aerated conduit 33 of present embodiment adopts the variable orifice aeration flexible pipe.The characteristics of variable orifice aeration flexible pipe are that thin-walled, straight channel have greatly reduced the aeration resistance loss; Variable orifice and slit automatic shutter have thoroughly solved the blockage problem of aeration; Bubble is little, coefficient of oxygen utilization and dynamic efficiency height.
Also be provided with upflow tube 38 on the described membrane bioreactor 3 of present embodiment, the pipeline that passes through of upflow tube 38 is connected with equalizing tank 1.For the water excess that prevents membrane bioreactor 3 overflows, upflow tube 38 is set, overflow water is back to equalizing tank 1 by upflow tube 38.
Principle of work:
Source water enters equalizing tank 1, and the adjusting opisthogenesis water by 1 pair of water yield of equalizing tank and water quality enters sandfiltration pot 2 through sandfiltration pot water-in 22.Before source water entered bio-reactor, front end was provided with a sandfiltration pot 2, and effect is inorganic, an organic particulate matter thicker in the filtered source water, and the protection pump is not subjected to the influence of other impurity, and the dress particle diameter is less than the quartz sand of 5mm in the sandfiltration pot 2.The water of handling through sandfiltration pot 2 is communicated with the intake pump 34 of membrane bioreactor 3 by pipeline then via sandfiltration pot water outlet 23, and intake pump 34 is connected with water inlet pipe 35, and water is by water inlet pipe 35 and enter membrane bioreactor 3.
Membrane bioreactor 3 comprises reaction box 31, film system, aerating apparatus, water inlet system, outlet system, and the film system is immersed in the reaction box 31, and aerating apparatus is arranged on film system below, and water inlet system, outlet system are connected with reaction box 31 by pipeline.Membrane module 32 and aerated conduit 33 corresponding settings, be evenly distributed, provide essential air for the microbiological degradation organic pollutant on the one hand, impel the film surface of mixed solution to form upflow velocity on the other hand, hinder pollutent by washing away of consequent shearing force and bubble and deposit, can suppress film preferably and pollute, prevent that fenestra from stopping up on the film surface, guarantee the filtration flux of film, saved aeration energy consumption.
The film system is immersed in the bio-reactor, and after source water entered bio-reactor, most of pollutent was by active sludge degraded in the mixed solution, and treating water flows in the membrane module 32 by negative pressure pressure reduction, goes out water pump 36 and by the external pressure vacuum primingpump treated water is extruded.
Membrane bioreactor 3 also comprises back-purge system, and back-purge system is connected by pipeline with the film system.By the adjusting of different gate valves, intake pump 34 can be used as backwashing pump, and backwash tube is connected with the port of membrane module 32, can play the effect of regular back flushing membrane module 32, and it is convenient to clean, and guarantees the normal use of membrane module 32.
Water via the rising pipe 37 of membrane bioreactor 3 is discharged enters water reservoir 4, again via water reservoir 4 water outlets.
For the water excess that prevents membrane bioreactor 3 overflows, upflow tube 38 is set, overflow water is back to equalizing tank 1 by upflow tube 38.
The above only is a better embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (10)
1, a kind of membrane bioreactor waste disposal plant, it is characterized in that: comprise the equalizing tank (1) that is communicated with successively by pipeline, sandfiltration pot (2), membrane bioreactor (3) and water reservoir (4), described membrane bioreactor (3) comprises reaction box (31), the film system, aerating apparatus and back-purge system, the film system is immersed in the reaction box (31), aerating apparatus is arranged on film system below, the film system comprises membrane module (32), aerating apparatus comprises aerated conduit (33), membrane module (32) and the corresponding setting of aerated conduit (33), back-purge system is connected by pipeline with the film system.
2, a kind of membrane bioreactor waste disposal plant according to claim 1, it is characterized in that: described membrane bioreactor (3) also comprises water inlet system, water inlet system is connected with reaction box (31) by pipeline, water inlet system comprises intake pump (34), water inlet pipe (35), intake pump (34) is connected with water inlet pipe (35), and water inlet pipe (35) is connected with reaction box (31).
3, a kind of membrane bioreactor waste disposal plant according to claim 1, it is characterized in that: described sandfiltration pot (2) comprises tank body (21), be arranged on the sandfiltration pot water-in (22) of tank body (21) one sides, sandfiltration pot water outlet (23), sandfiltration pot water inlet pipe (24), sandfiltration pot rising pipe (25), sandfiltration pot water outlet (23) is positioned at the top of sandfiltration pot water-in (22), sandfiltration pot water-in (22) is communicated with sandfiltration pot water inlet pipe (24), sandfiltration pot water outlet (23) is communicated with sandfiltration pot rising pipe (25), sandfiltration pot water-in (22) is communicated with a water pressure gauge (26), and sandfiltration pot sewage draining exit (27) is arranged on the lower end of tank body (21).
4, a kind of membrane bioreactor waste disposal plant according to claim 3 is characterized in that: described sandfiltration pot water outlet (23) is communicated with water inlet pipe (35) by gate valve.
5, a kind of membrane bioreactor waste disposal plant according to claim 1, it is characterized in that: described membrane bioreactor (3) also comprises outlet system, outlet system is connected with reaction box (31) by pipeline, outlet system comprises water pump (36), rising pipe (37), goes out water pump (36) and is connected with rising pipe (37).
6, a kind of membrane bioreactor waste disposal plant according to claim 5 is characterized in that: described rising pipe (35) is connected with water reservoir (4).
7, a kind of membrane bioreactor waste disposal plant according to claim 1, it is characterized in that: described back-purge system comprises backwashing pump, backwash tube (39) and magnetic valve (40) composition, and backwash tube (39) is connected with the port of membrane module (32).
8, a kind of membrane bioreactor waste disposal plant according to claim 1, it is characterized in that: described membrane module (32) is the tubular fibre curtain type membrane, the composite membrane of tubular fibre curtain type membrane for being made of in non-netted fabric polyvinylidene fluoride material infiltration.
9, a kind of membrane bioreactor waste disposal plant according to claim 1 is characterized in that: described aerated conduit (33) adopts the variable orifice aeration flexible pipe.
10, a kind of membrane bioreactor waste disposal plant according to claim 1 is characterized in that: also be provided with upflow tube (38) on the described membrane bioreactor (3), the pipeline that passes through of upflow tube (38) is connected with equalizing tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200527866U CN201367385Y (en) | 2009-03-17 | 2009-03-17 | Membrane bioreactor sewage disposal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200527866U CN201367385Y (en) | 2009-03-17 | 2009-03-17 | Membrane bioreactor sewage disposal device |
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| Publication Number | Publication Date |
|---|---|
| CN201367385Y true CN201367385Y (en) | 2009-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2009200527866U Expired - Fee Related CN201367385Y (en) | 2009-03-17 | 2009-03-17 | Membrane bioreactor sewage disposal device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535624A (en) * | 2011-11-18 | 2012-07-04 | 江苏大学 | Sewage concentration drainage device |
| CN105110550A (en) * | 2015-06-12 | 2015-12-02 | 中国电建集团贵阳勘测设计研究院有限公司 | Sand filter-membrane bioreactor combined treatment method and apparatus for rural sewage |
-
2009
- 2009-03-17 CN CNU2009200527866U patent/CN201367385Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535624A (en) * | 2011-11-18 | 2012-07-04 | 江苏大学 | Sewage concentration drainage device |
| CN105110550A (en) * | 2015-06-12 | 2015-12-02 | 中国电建集团贵阳勘测设计研究院有限公司 | Sand filter-membrane bioreactor combined treatment method and apparatus for rural sewage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091223 Termination date: 20130317 |