CN210764564U - Coupling type operation dispersion type sewage treatment device - Google Patents
Coupling type operation dispersion type sewage treatment device Download PDFInfo
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- CN210764564U CN210764564U CN201920405848.0U CN201920405848U CN210764564U CN 210764564 U CN210764564 U CN 210764564U CN 201920405848 U CN201920405848 U CN 201920405848U CN 210764564 U CN210764564 U CN 210764564U
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Abstract
The utility model discloses a coupling-type operating decentralized sewage treatment device, which comprises a carbon-based carrier biological filter and an MBR membrane biological reaction tank; the carbon-based carrier biological filter comprises an anaerobic phosphorus removal area, an anoxic area, an aerobic area and a micro-aeration filter, wherein the anaerobic phosphorus removal area, the anoxic area, the aerobic area and the micro-aeration filter are sequentially connected; the anaerobic dephosphorization zone is connected with the water inlet, one end of the micro-aeration filter tank is connected with the first water outlet, the other end of the micro-aeration filter tank is connected with the MBR membrane biological reaction tank, and the MBR membrane biological reaction tank is connected with the second water outlet. Coupled type operation's dispersion type sewage treatment plant operation nimble, easy operation, degree of automation height, can adapt to the change of rural domestic sewage quality of water yield, sewage can be through direct discharge to reach standard after carbon system carrier biological filter handles, MBR membrane biological reaction pond can regard as the guarantee unit reserve, the running cost of device reduces.
Description
Technical Field
The utility model relates to a sewage treatment field especially relates to a dispersion type sewage treatment plant of manifold type operation.
Background
MBR sewage treatment is a common mode of modern sewage treatment, adopts a Membrane Bioreactor (MBR) technology, is a new technology combining a biological treatment technology and a membrane separation technology, replaces a secondary sedimentation tank in the traditional technology, and can efficiently carry out solid-liquid separation to obtain directly used stable reclaimed water. But also can maintain high-concentration microorganism biomass in the biological tank, the process has less excess sludge, extremely effectively removes ammonia nitrogen, the suspended matters and turbidity of the effluent are close to zero, bacteria and viruses in the effluent are greatly removed, the energy consumption is low, and the occupied area is small.
The common MBR sewage treatment system comprises a sewage pretreatment device, an aerobic tank, an anaerobic tank, an MBR membrane separation tank and the like, and the mode has the defects that a suction pump continuously works to discharge water, so that the power consumption is high and the operation cost is high; the membrane component is immersed in the high-concentration sludge mixed liquor, membrane holes are easy to block, frequent backwashing is realized, the management is complex, and the service life of the membrane is short.
Disclosure of Invention
In order to solve the defects of the prior art, the utility model provides a coupled type running decentralized sewage treatment device with good filtering and impurity removing functions.
A coupling type running decentralized sewage treatment device comprises a carbon carrier biological filter and an MBR membrane biological reaction tank; the carbon-based carrier biological filter comprises an anaerobic phosphorus removal area, an anoxic area, an aerobic area and a micro-aeration filter, wherein the anaerobic phosphorus removal area, the anoxic area, the aerobic area and the micro-aeration filter are sequentially connected; the anaerobic dephosphorization zone is connected with the water inlet, one end of the micro-aeration filter tank is connected with the first water outlet, the other end of the micro-aeration filter tank is connected with the MBR membrane biological reaction tank, and the MBR membrane biological reaction tank is connected with the second water outlet.
And a mounting bracket is arranged in the anaerobic dephosphorization zone, and a dephosphorization packing layer is arranged on the mounting bracket.
The anoxic zone is internally attached with a packing layer for the growth of microorganisms, and the packing layer is attached with a biological membrane.
An aerobic microbial film is arranged in the aerobic zone, and a filler is attached to the aerobic microbial film.
And an MBR ultrafiltration membrane is arranged in the MBR membrane biological reaction tank, and the aperture of the MBR ultrafiltration membrane is 0.01-0.03 um.
The anaerobic dephosphorization zone, the anoxic zone, the aerobic zone and the micro-aeration filter are connected in series.
The anoxic zone is provided with a plurality of first aeration devices.
A plurality of second aeration devices are arranged in the aerobic zone.
A plurality of third aeration devices are arranged in the micro-aeration filter tank.
And the MBR membrane biological reaction tank is connected with a suction pump through a second water outlet.
A dispersion type sewage treatment plant of manifold type operation, its beneficial effect is:
(1) the device is flexible in operation, simple in operation and high in automation degree, can adapt to the change of the quality and quantity of rural domestic sewage, sewage can be directly discharged after being treated by the carbon-based carrier biological filter tank, the MBR membrane biological reaction tank can be used as a guarantee unit for standby, and the operation cost of the device is reduced;
(2) when the quality concentration of inlet water of the device is improved or the sludge concentration of the micro-aeration filter tank in the carbon-based carrier biological filter tank is too high, and the outlet water of the carbon-based carrier biological filter tank cannot be stably discharged to the standard, the outlet water of the carbon-based carrier biological filter tank and the outlet water of the MBR membrane biological reaction tank are mixed and then discharged to the standard, and as the sewage in the MBR membrane biological reaction tank comes from the outlet water of the carbon-based carrier biological filter tank, the water quality is better, the operation load of the MBR membrane is lower, the pollution of the membrane is relatively slow, the cleaning and maintenance period of the membrane is prolonged;
(3) when the filler of the micro-aeration filter tank in the carbon-based carrier biological filter tank is adsorbed and saturated and backwashing is needed, the device can still stably discharge water reaching the standard through the MBR membrane biological reaction tank, the backwashing period of the filler can be prolonged, the treatment efficiency of the device is improved, and the operation cost is reduced.
Drawings
FIG. 1 is a block schematic diagram of a coupled decentralized wastewater treatment plant according to the invention;
fig. 2 is a schematic structural diagram of the coupling-type operation decentralized sewage treatment device of the present invention.
The reference numbers in the figures illustrate:
1. the system comprises a carbon-based carrier biological filter tank, 2. an MBR membrane biological reaction tank, 3. an anaerobic dephosphorization zone, 4. an anoxic zone, 5. an aerobic zone, 6. a micro aeration filter tank, 7. a water inlet, 8. a first water outlet, 9. a second water outlet, 10. an installation support, 11. a dephosphorization packing layer, 12. a packing layer, 13. a biological membrane, 14. an aerobic microbial membrane, 15. a packing, 16. an MBR ultrafiltration membrane, 17. a first aeration device, 18. a second aeration device, 19. a third aeration device and 20. a suction pump.
Detailed Description
In order to explain the technical content, structural features, achieved objects and functions of the present invention in detail, the following embodiments are described in detail with reference to the accompanying drawings.
A coupled decentralized sewage treatment plant as shown in fig. 1 and 2, comprising a carbon-based carrier biofilter 1 and an MBR membrane biological reaction tank 2; the carbon-based carrier biological filter 1 comprises an anaerobic phosphorus removal zone 3, an anoxic zone 4, an aerobic zone 5 and a micro-aeration filter 6, wherein the anaerobic phosphorus removal zone 3, the anoxic zone 4, the aerobic zone 5 and the micro-aeration filter 6 are sequentially connected; the anaerobic dephosphorization zone 3 is connected with the water inlet 7, one end of the micro-aeration filter 6 is connected with the first water outlet 8, the other end of the micro-aeration filter 6 is connected with the MBR membrane biological reaction tank 2, and the MBR membrane biological reaction tank 2 is connected with the second water outlet 9.
An installation support 10 is arranged in the anaerobic dephosphorization zone 3, and a dephosphorization filler layer 11 is arranged on the installation support 10; a filler layer 12 for microorganism growth is attached in the anoxic zone 4, and a biological membrane 13 is attached on the filler layer 12.
An aerobic microbial film 14 is arranged in the aerobic zone 5, and a filler 15 is attached to the aerobic microbial film 14; an MBR ultrafiltration membrane 16 is arranged in the MBR membrane biological reaction tank 2, and the aperture of the MBR ultrafiltration membrane 16 is 0.01-0.03 um; the anaerobic dephosphorization zone 3, the anoxic zone 4, the aerobic zone 5 and the micro-aeration filter 6 are connected in series.
The anoxic zone 4 is provided with a plurality of first aeration devices 17, the aerobic zone 5 is internally provided with a plurality of second aeration devices 18, the micro-aeration filter 6 is internally provided with a plurality of third aeration devices 19, and the MBR membrane biological reaction tank 2 is connected with a suction pump 20 through a second water outlet 9.
The rural area has limited economic bearing capacity, the shortage of professionals, immature sewage treatment technology and other influence factors restrict the popularization of rural domestic sewage treatment, and the coupling type running decentralized sewage treatment device which is developed by combining the carbon-based carrier biological filter and the MBR membrane biological reaction tank has the process advantages of two reaction tanks and can meet the treatment requirement of rural domestic sewage.
The MBR membrane biological reaction tank is a novel high-efficiency sewage treatment reaction tank combining a high-efficiency membrane separation technology and a traditional biological method, and is characterized in that an MBR hollow membrane component with a unique structure is arranged in an aeration tank, and water after aerobic aeration and biological treatment is pumped out after being filtered by a filter membrane through a pump. The solid-liquid separation capacity of the system is greatly improved due to the existence of the MBR membrane, so that the effluent quality and the volume load of the MBR membrane biological reaction tank are greatly improved, and the effluent quality standard after membrane treatment is high.
The carbon-based carrier biofilter is a novel aeration biofilter with various medium fillers, combines biological contact oxidation and filtration together, and can deeply purify sewage. The composite packed bed is composed of fillers of various media such as unsaturated carbon, nitrogen removal materials, phosphorus removal materials and the like, is favorable for biofilm formation growth of microorganisms, enables suspended growth microorganisms and attached growth microorganisms to coexist, and simultaneously forms an aerobic, anoxic and anaerobic alternate environment in the packed bed through a special aeration system.
To sum up, the preferred embodiment of the present invention is only, the protection scope of the present invention is not limited thereto, and all equivalent changes and modifications made in accordance with the patent scope and the content of the specification of the present invention are all within the scope covered by the present invention.
Claims (10)
1. A coupling type running decentralized sewage treatment device is characterized by comprising a carbon-system carrier biological filter (1) and an MBR membrane biological reaction tank (2);
the carbon-based carrier biological filter (1) comprises an anaerobic phosphorus removal zone (3), an anoxic zone (4), an aerobic zone (5) and a micro-aeration filter (6), wherein the anaerobic phosphorus removal zone (3), the anoxic zone (4), the aerobic zone (5) and the micro-aeration filter (6) are sequentially connected;
the anaerobic dephosphorization zone (3) is connected with the water inlet (7), one end of the micro-aeration filter tank (6) is connected with the first water outlet (8), the other end of the micro-aeration filter tank (6) is connected with the MBR membrane biological reaction tank (2), and the MBR membrane biological reaction tank (2) is connected with the second water outlet (9).
2. The apparatus of claim 1, wherein: an installation support (10) is arranged in the anaerobic dephosphorization zone (3), and a dephosphorization packing layer (11) is arranged on the installation support (10).
3. The apparatus of claim 1, wherein: a packing layer (12) for microorganism growth is attached in the anoxic zone (4), and a biological membrane (13) is attached on the packing layer (12).
4. The apparatus of claim 1, wherein: an aerobic microbial film (14) is arranged in the aerobic zone (5), and a filler (15) is attached to the aerobic microbial film (14).
5. The apparatus of claim 1, wherein: an MBR ultrafiltration membrane (16) is arranged in the MBR membrane biological reaction tank (2), and the aperture of the MBR ultrafiltration membrane (16) is 0.01-0.03 um.
6. The apparatus of claim 1, wherein: the anaerobic dephosphorization zone (3), the anoxic zone (4), the aerobic zone (5) and the micro-aeration filter (6) are connected in series.
7. The apparatus of claim 1, wherein: the anoxic zone (4) is provided with a plurality of first aeration devices (17).
8. The apparatus of claim 1, wherein: a plurality of second aeration devices (18) are arranged in the aerobic zone (5).
9. The apparatus of claim 1, wherein: a plurality of third aeration devices (19) are arranged in the micro-aeration filter (6).
10. The apparatus of claim 1, wherein: the MBR membrane biological reaction tank (2) is connected with a suction pump (20) through a second water outlet (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920405848.0U CN210764564U (en) | 2019-03-28 | 2019-03-28 | Coupling type operation dispersion type sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920405848.0U CN210764564U (en) | 2019-03-28 | 2019-03-28 | Coupling type operation dispersion type sewage treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN210764564U true CN210764564U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920405848.0U Active CN210764564U (en) | 2019-03-28 | 2019-03-28 | Coupling type operation dispersion type sewage treatment device |
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| CN (1) | CN210764564U (en) |
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- 2019-03-28 CN CN201920405848.0U patent/CN210764564U/en active Active
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