CN213416420U - MBR membrane activated sludge device - Google Patents
MBR membrane activated sludge device Download PDFInfo
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- CN213416420U CN213416420U CN202022235327.0U CN202022235327U CN213416420U CN 213416420 U CN213416420 U CN 213416420U CN 202022235327 U CN202022235327 U CN 202022235327U CN 213416420 U CN213416420 U CN 213416420U
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- activated sludge
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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)
Abstract
The utility model discloses a MBR membrane activated sludge device, including the biological reaction pond, the inside at biological reaction pond top is provided with the guide rail and reserves to bury the piece, the outside that the piece was buried in the guide rail reservation is provided with the membrane pond connecting piece, the outside of membrane pond connecting piece is provided with connecting bolt, connecting bolt's the outside is provided with guide rail pole connecting piece and anti-float pole connecting piece, the outside of anti-float pole connecting piece is provided with the anti-float body of rod, the outside of guide rail pole connecting piece is provided with the guide rail body of rod, connecting bolt's the outside is provided with the one end of leading the chain. This MBR membrane activated sludge device, through the interception effect of filter membrane, the microorganism in the biological reaction pond will obtain the enrichment and maintain higher concentration, more does benefit to the degradation of organic matter, and dull and stereotyped membrane module can bear very high mud concentration, and activated sludge in the membrane pond is obstructed in dull and stereotyped membrane element's outside, and the water after the filtration is taken out under the negative pressure effect through dull and stereotyped membrane element's suction mouth.
Description
Technical Field
The utility model relates to an activated sludge equipment technical field specifically is a MBR membrane activated sludge device.
Background
Activated sludge is a general name of microbial communities and organic substances and inorganic substances attached to the microbial communities, the microbial communities mainly comprise bacteria, protozoa, algae and the like, the activated sludge is an aerobic biological treatment method, the basic concept of the activated sludge is discovered by Clark and Gaoqi of England in 1912, the activated sludge generates sludge when being aerated for a long time, meanwhile, the water quality is obviously improved, and then the phenomenon is researched by Alston and Lokai.
Most of the existing activated sludge treatment systems generate a large amount of excess sludge in the operation process, the treatment cost of the excess sludge accounts for 25-40% of the operation cost of a sewage treatment plant, the sludge bulking phenomenon is easy to occur, the effluent contains suspended solids, and the quality of the effluent is deteriorated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a MBR membrane activated sludge device to propose current most activated sludge treatment system and produced a large amount of excess sludge at the operation in-process among the solution above-mentioned background art, its processing cost accounts for 25% ~ 40% of sewage treatment plant working costs, still appears the mud inflation phenomenon easily, contains the suspended solid in going out water, goes out the problem that water quality of water worsens.
In order to achieve the above object, the utility model provides a following technical scheme: an MBR membrane activated sludge device comprises a biological reaction tank, wherein a guide rail reserved embedded part is arranged inside the top of the biological reaction tank, a membrane tank connecting part is arranged outside the guide rail reserved embedded part, a connecting bolt is arranged outside the membrane tank connecting part, a guide rail rod connecting part and an anti-floating rod connecting part are arranged outside the connecting bolt, an anti-floating rod body is arranged outside the anti-floating rod connecting part, a guide rail rod body is arranged outside the guide rail rod connecting part, one end of a guide chain is arranged outside the connecting bolt, a membrane box is arranged at the other end of the guide chain, a flat membrane element is arranged inside the membrane box, a locking bolt is arranged outside the membrane box, an aeration pipe is arranged at the bottom of the membrane box, a guide plate is fixedly arranged on the inner side of the flat membrane element, a guide cloth is fixedly connected on the inner side of the guide plate, and a filter membrane is arranged on, the top of the flat membrane element is provided with a suction port.
Preferably, the flat membrane element is in communication with the suction port.
Preferably, a plurality of the flat membrane elements are arranged in the membrane box.
Preferably, the aeration pipe is positioned at the lower part of the flat membrane element, and a plurality of through holes are arranged at the outer side of the aeration pipe.
Preferably, a dosing port is reserved on the outer side of the membrane box.
Preferably, the dimensions of the guide rail reserved embedded part are 200mm multiplied by 10 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the MBR membrane activated sludge device has the advantages that the membrane assemblies are formed by a certain number of flat membrane elements, the microorganisms in the biological reaction tank can be enriched and maintain higher concentration through the interception effect of the filter membranes, the degradation of organic matters is more facilitated, the flat membrane elements can bear higher sludge concentration, the flat membrane elements form self-rotating backflow inside and outside the flat membrane elements by the aeration effect of the aeration pipes in the biological reaction tank, sufficient dissolved oxygen of mixed liquid microorganisms is provided, muddy water is fully mixed, the pollution of the filter membranes is slowed down and prevented, the activated sludge in the membrane tanks is obstructed outside the flat membrane elements, the filtered water is pumped out under the negative pressure effect through the suction ports of the flat membrane elements, the separation effect is far better than that of a traditional sedimentation tank due to the high-efficiency separation effect of the filter membranes, the treated water is extremely clear, the suspended matters and the turbidity are close to zero, and bacteria and viruses are greatly removed, the quality of the effluent is high and stable;
2. this MBR membrane activated sludge device, in the use, because the flux of filter membrane is lower relatively, takes place membrane pollution easily, needs in time clear up, and the online chemical cleaning's of washing of dull and stereotyped membrane module method is used, need not transfer dull and stereotyped membrane module from the biological reaction pond promptly, can wash the filter membrane through reserving the medicine mouth that adds at dull and stereotyped membrane module, and is simple and convenient.
Drawings
Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;
fig. 2 is a schematic view of a three-dimensional structure of a flat membrane element of the present invention;
fig. 3 is a schematic view of the working principle of the aeration pipe of the present invention.
In the figure: 1. a biological reaction tank; 2. a guide rail is reserved with embedded parts; 3. a membrane tank connection piece; 4. a guide rail rod connection; 5. a connecting bolt; 6. an anti-float rod connection; 7. an anti-floating rod body; 8. a guide rail body; 9. guiding a chain; 10. a membrane box; 11. a flat membrane element; 12. locking the bolt; 13. an aeration pipe; 14. a baffle; 15. flow guiding cloth; 16. filtering the membrane; 17. a suction port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an MBR membrane activated sludge device comprises a biological reaction tank 1, a guide rail reserved embedded part 2, a membrane tank connecting part 3, a guide rail rod connecting part 4, a connecting bolt 5, an anti-floating rod connecting part 6, an anti-floating rod body 7, a guide rail rod body 8, a guide chain 9, a membrane box 10, a flat membrane element 11, a locking bolt 12, an aeration pipe 13, a guide plate 14, a guide cloth 15, a filter membrane 16 and a suction opening 17, wherein the guide rail reserved embedded part 2 is arranged inside the top of the biological reaction tank 1, the membrane tank connecting part 3 is arranged outside the guide rail reserved embedded part 2, the connecting bolt 5 is arranged outside the membrane tank connecting part 3, the guide rail rod connecting part 4 and the anti-floating rod connecting part 6 are arranged outside the anti-floating rod connecting part 6, the anti-floating rod body 7 is arranged outside the guide rail rod connecting part 4, the guide rail rod body 8 is arranged outside the guide rail rod connecting part 4, the other end of the guide chain 9 is provided with a membrane box 10, a flat membrane element 11 is arranged inside the membrane box 10, a locking bolt 12 is arranged on the outer side of the membrane box 10, an aeration pipe 13 is arranged at the bottom of the membrane box 10, a guide plate 14 is fixedly arranged on the inner side of the flat membrane element 11, a guide cloth 15 is fixedly connected to the inner side of the guide plate 14, a filter membrane 16 is arranged on the inner side of the guide cloth 15, and a suction opening 17 is arranged at the top of the flat membrane element 11.
Furthermore, the flat membrane element 11 is connected with the suction port 17 in an intercommunicating manner, the flat membrane element 11 is composed of a guide plate 14, a guide cloth 15 and a filter membrane 16, activated sludge in the membrane pool is blocked outside the flat membrane element 11, filtered water is pumped out under the action of negative pressure through the suction port 17 of the flat membrane element 11, due to the efficient separation effect of the filter membrane 16, the separation effect is far better than that of a traditional sedimentation tank, treated water is extremely clear, suspended matters and turbidity are close to zero, bacteria and viruses are greatly removed, and the quality of the treated water is high and stable.
Furthermore, a plurality of flat membrane elements 11 are arranged in the membrane box 10, a certain number of flat membrane elements 11 form a membrane assembly, microorganisms in the biological reaction tank 1 are enriched and maintain high concentration through the interception function of the filter membrane 16, the degradation of organic matters is facilitated, and the flat membrane elements can bear high sludge concentration.
Furthermore, the aeration pipe 13 is positioned at the lower part of the flat membrane element 11, a plurality of through holes are arranged at the outer side of the aeration pipe 13, and the flat membrane element is provided with the optimized unique aeration pipe 13, so that aeration can be uniformly acted on the surface of the flat membrane element 11, the mass transfer efficiency of oxygen is increased to the maximum degree, the influence of concentration polarization is reduced, and the aeration device has the advantages of compact structure, attractive appearance, stability, reliability, convenience in operation and maintenance and the like.
Furthermore, a dosing port is reserved on the outer side of the membrane box 10, and an online chemical cleaning method is used for cleaning the flat membrane module, namely the flat membrane module is not required to be separated from the biological reaction tank 1, the filter membrane 16 can be cleaned by reserving the dosing port of the flat membrane module, so that the method is simple and convenient, and the cleaning period depends on the pollution condition of the filter membrane 16.
Furthermore, the size of the guide rail reserved embedded part 2 is 200mm multiplied by 10mm, and the membrane box 10 is placed into the biological reaction tank 1 along the guide rail rod body 8 through the guide chain 9, so that the purpose of automatic placing and taking is realized.
The working principle is as follows: firstly, a membrane box 10 is put into a biological reaction tank 1 along a guide rail rod body 8 through a guide chain 9, a certain number of flat membrane elements 11 form a membrane component, microorganisms in the biological reaction tank 1 are enriched and maintained at higher concentration through the interception function of a filter membrane 16, the degradation of organic matters is facilitated, the flat membrane component can bear high sludge concentration, the flat membrane component forms self-spinning backflow inside and outside the flat membrane component by utilizing the aeration action of an aeration pipe 13 in the biological reaction tank 1 to provide sufficient dissolved oxygen for mixed liquid microorganisms, fully mix muddy water, slow down and prevent the pollution of the filter membrane 16, the flat membrane component is provided with an optimized unique aeration pipe 13, the aeration can be uniformly acted on the surface of the flat membrane element 11, the mass transfer efficiency of the oxygen is increased to the greatest extent, the influence of concentration polarization is reduced, the structure is compact, the appearance is attractive, the flat membrane component matched suction pump generally operates for 8 minutes and stops for 2 minutes, when the suction pump stops operating, the air blower works as usual, which is beneficial to blow off pollutants such as particles and the like attached on the filter membrane 16, the flat membrane component 11 consists of a guide plate 14, a guide cloth 15 and the filter membrane 16, the activated sludge in the membrane pool is blocked outside the flat membrane component 11, the filtered water is pumped out under the action of negative pressure through a suction port 17 of the flat membrane component 11, the separation effect is far better than that of the traditional sedimentation tank due to the high-efficiency separation effect of the filter membrane 16, the treated water is extremely clear, the suspended matters and turbidity are close to zero, bacteria and viruses are greatly removed, so that the quality of the effluent is high and stable, because the flux of the filter membrane 16 is relatively low, membrane pollution is easy to occur, the cleaning needs to be carried out in time, and the cleaning of the flat membrane component adopts an online chemical cleaning method, the flat membrane component is not required to be separated from the biological reaction tank 1, the filter membrane 16 can be cleaned by reserving a dosing port of the flat membrane component, the cleaning process is simple and convenient, and the cleaning period is determined according to the pollution condition of the filter membrane 16.
It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a MBR membrane activated sludge device, includes biological reaction pond (1), its characterized in that: the biological reaction tank is characterized in that a guide rail reserved embedded part (2) is arranged inside the top of the biological reaction tank (1), a membrane tank connecting part (3) is arranged on the outer side of the guide rail reserved embedded part (2), a connecting bolt (5) is arranged on the outer side of the membrane tank connecting part (3), a guide rail rod connecting part (4) and an anti-floating rod connecting part (6) are arranged on the outer side of the connecting bolt (5), an anti-floating rod body (7) is arranged on the outer side of the anti-floating rod connecting part (6), a guide rail rod body (8) is arranged on the outer side of the guide rail rod connecting part (4), one end of a guide chain (9) is arranged on the outer side of the connecting bolt (5), a membrane box (10) is arranged at the other end of the guide chain (9), a flat membrane element (11) is arranged inside the membrane box (10), a locking bolt (12) is arranged on the outer side of the, the inner side of the flat membrane element (11) is fixedly provided with a guide plate (14), the inner side of the guide plate (14) is fixedly connected with guide cloth (15), the inner side of the guide cloth (15) is provided with a filter membrane (16), and the top of the flat membrane element (11) is provided with a suction opening (17).
2. The MBR membrane activated sludge device of claim 1, wherein: the flat membrane element (11) is connected with the suction opening (17) in a communicating way.
3. The MBR membrane activated sludge device of claim 1, wherein: a plurality of flat membrane elements (11) are arranged in the membrane box (10).
4. The MBR membrane activated sludge device of claim 1, wherein: the aeration pipe (13) is positioned at the lower part of the flat membrane element (11), and a plurality of through holes are arranged at the outer side of the aeration pipe (13).
5. The MBR membrane activated sludge device of claim 1, wherein: a dosing port is reserved on the outer side of the membrane box (10).
6. The MBR membrane activated sludge device of claim 1, wherein: the size of the guide rail reserved embedded part (2) is 200mm multiplied by 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022235327.0U CN213416420U (en) | 2020-10-09 | 2020-10-09 | MBR membrane activated sludge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022235327.0U CN213416420U (en) | 2020-10-09 | 2020-10-09 | MBR membrane activated sludge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213416420U true CN213416420U (en) | 2021-06-11 |
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ID=76266127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022235327.0U Active CN213416420U (en) | 2020-10-09 | 2020-10-09 | MBR membrane activated sludge device |
Country Status (1)
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|---|---|
| CN (1) | CN213416420U (en) |
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2020
- 2020-10-09 CN CN202022235327.0U patent/CN213416420U/en active Active
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