CN209923149U - Novel membrane bioreactor - Google Patents
Novel membrane bioreactor Download PDFInfo
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- CN209923149U CN209923149U CN201920588286.8U CN201920588286U CN209923149U CN 209923149 U CN209923149 U CN 209923149U CN 201920588286 U CN201920588286 U CN 201920588286U CN 209923149 U CN209923149 U CN 209923149U
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Abstract
The utility model discloses a novel membrane bioreactor, which comprises a mixing tank, a contact oxidation tank and a circulating tank, wherein the mixing tank is separated from the contact oxidation tank by a clapboard, the bottom of the clapboard is provided with a water port, the contact oxidation tank is internally provided with biological filler, the bottom of the contact oxidation tank is provided with an aerator which is connected with an air supply device, the lower end of one side of the circulating tank is provided with a sludge outlet, the sludge outlet is communicated with a sludge pump, the upper part of the sludge outlet is provided with a water outlet which is communicated with a circulating pump, the water outlet of the circulating pump is connected with a membrane micro-filtration device, the membrane micro-filtration device is provided with an instantaneous pulse back-flushing device, and the top end of the membrane micro-filtration device is provided with a water outlet, in the utility model, the contact oxidation tank is provided with the biological filler for fixing microorganisms, increasing the quantity, the aerator can greatly improve the mass transfer efficiency of oxygen and provide sufficient dissolved oxygen for microorganisms.
Description
Technical Field
The utility model relates to the technical field of sewage purification devices, in particular to a novel membrane bioreactor.
Background
Sewage treatment is a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. The sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and the sewage treatment also increasingly enters the daily life of common people, and the problem of urban domestic wastewater treatment is increasingly prominent due to the continuous increase of urban population. And the urban environment and the construction thereof are always influenced because of the technical lag, the fund shortage and the great treatment difficulty. If the problems are not solved as soon as possible, the pollution is more serious and the influence is worse as the water consumption is continuously increased along with the advance of urbanization.
At present, the sewage treatment ware on the market generally adopts the biological treatment unit and the mode that two heavy ponds combine, can realize the processing to industrial sewage basically, however the defect of traditional sewage treatment ware is also very obvious, biological unit microorganism mud concentration is not high, the scrubbing efficiency to biological unit has been reduced, traditional sewage treatment ware need occupy large tracts of land factory building soil, and it is very inconvenient on handling bottom of the pool mud, mud dwell time is unanimous with water conservancy dwell time, be unfavorable for the separation of mud and play water, need artifical bottom of the pool to decontaminate during mud clearance, consume a large amount of manpowers. Accordingly, one skilled in the art provides a novel membrane bioreactor to solve the problems set forth in the background art.
Disclosure of Invention
The utility model aims to provide a novel membrane bioreactor to solve the problems in the background technology.
In order to achieve the above object, the utility model provides a following technical scheme:
a novel membrane bioreactor comprises a mixing tank, a contact oxidation tank and a circulating tank, wherein the mixing tank and the contact oxidation tank are separated by a partition plate, a water through hole is formed in the bottom of the partition plate, biological filler is arranged in the contact oxidation tank, an aerator is arranged at the bottom of the contact oxidation tank and is connected with a gas supply device, a sludge outlet is formed in the lower end of one side of the circulating tank and is communicated with a sludge pump, a water outlet is formed above the sludge outlet and is communicated with a circulating pump, a water outlet of the circulating pump is connected with a membrane microfiltration device, an instantaneous pulse backwashing device is arranged on the membrane microfiltration device, a water outlet is formed in the top end of the membrane microfiltration device, and a cleaning device is arranged at;
cleaning device includes the scraper blade, and the reciprocal lead screw of scraper blade middle part cartridge, and the scraper blade is equipped with the thread bush with reciprocal lead screw junction, reciprocal lead screw cartridge circulation cell wall, and the one end of reciprocal lead screw axle link driving motor, the scraper blade both sides are equipped with the sliding sleeve, and sliding sleeve cartridge slide bar, the both ends fixed connection circulation inslot wall of slide bar.
The utility model discloses in, install the biofilm carrier in the contact oxidation pond, be used for fixed microorganism, increase the microorganism quantity, reinforcing anaerobism and aerobic microcosmic environment, be favorable to improving the biodegradation effect, the aerator can increase substantially the mass transfer efficiency of oxygen, provide sufficient dissolved oxygen for the microorganism, membrane microfiltration device's water reaches quality of water emission standard then through outlet output, quality of water does not reach emission standard then through circulating pipe backward flow to mixing tank or circulation groove, instantaneous pulse recoil device can wash the membrane surface, can alleviate the face pollution, reduce membrane filtration resistance, stabilize the operation flux of microfiltration.
As a further aspect of the present invention: and a water inlet pipe is arranged at the top end of the mixing tank.
As a further aspect of the present invention: and an overflow weir is arranged at the single joint of the contact oxidation tank and the circulating tank, and a sieve tank is arranged at the position, close to the overflow weir, of the circulating tank.
As a further aspect of the present invention: and a filter screen is arranged in the screen groove, and a grid plate is arranged at the lower end of the filter screen.
As a further aspect of the present invention: and the other side of the membrane microfiltration device is connected with a circulating water pipe, and the other end of the circulating water pipe is respectively communicated with the mixing tank and the circulating tank.
As a further aspect of the present invention: the reciprocating screw rod is rotatably connected with the inner wall of the circulating groove, and a waterproof bearing is arranged at the joint of the reciprocating screw rod and the circulating groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses the during operation, sewage gets into mixed pond from the inlet tube, flow into in the contact oxidation pond, the sieve groove is flowed into through the overflow weir, filter the back through the filter screen sieve, flow into in the circulating duct, the sludge pump is arranged in clearing up the mud in the circulating duct, the water of circulating pump extraction circulating duct gets into membrane micro-filtration device and filters, the water of membrane micro-filtration device reaches quality of water emission standard then through outlet output, quality of water does not reach emission standard then through circulating pipe backward flow to mixed pond or secondary filter in the circulating duct.
2. The utility model discloses in, install the biofilm carrier among the contact oxidation pond for fixed microorganism, increase microorganism quantity, reinforcing anaerobism and aerobic micro environment are favorable to improving the biodegradation effect, and the aerator can increase substantially the mass transfer efficiency of oxygen, provides sufficient dissolved oxygen for the microorganism.
3. The utility model discloses in, the filter screen removes the suspended solid that easily blocks up membrane tube passageway in the follow-up microfiltration device, and instantaneous pulse recoil device can wash the membrane surface, can alleviate the face pollution, reduces membrane filtration resistance, stabilizes the operation flux of microfiltration.
4. The utility model discloses in, cleaning device clears up the circulating slot bottom, reduces piling up of circulating slot bottom mud, prevents that the mud export from blockking up to reduce artificial use.
Drawings
FIG. 1 is a schematic structural diagram of a novel membrane bioreactor.
FIG. 2 is a schematic structural diagram of a cleaning device in a novel membrane bioreactor.
In the figure: 1-a mixing tank, 2-a contact oxidation tank, 3-a circulating tank, 4-a membrane microfiltration device, 5-biological filler, 6-an aerator, 7-a gas supply device, 8-an overflow weir, 9-a sieve tank, 10-a filter screen, 11-a grid plate, 12-a sludge pump, 13-a circulating pump, 14-a sludge outlet, 15-a water outlet, 16-an instantaneous pulse backflushing device, 17-a water outlet, 18-a circulating water pipe, 19-a water inlet pipe, 20-a cleaning device, 21-a scraper blade, 22-a thread sleeve, 23-a reciprocating screw rod, 24-a driving motor, 25-a sliding sleeve and 26-a sliding rod.
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. 1-2, in the embodiment of the present invention, a novel membrane bioreactor includes a mixing tank 1, a contact oxidation tank 2 and a circulation tank 3, the mixing tank 1 and the contact oxidation tank 2 are separated by a partition plate, a water inlet is formed at the bottom of the partition plate, a biological filler 5 is arranged in the contact oxidation tank 2, an aerator 6 is installed at the bottom of the contact oxidation tank 2, the aerator 6 is connected with a gas supply device 7, a sludge outlet 14 is formed at the lower end of one side of the circulation tank 3, the sludge outlet 14 is communicated with a sludge pump 12, a water outlet 15 is formed above the sludge outlet 14, the water outlet 15 is communicated with a circulation pump 13, a water outlet of the circulation pump 13 is connected with a membrane microfiltration device 4, an instantaneous pulse back flushing device 16 is arranged on the membrane microfiltration device 4, a water outlet 17 is formed at the top end of the membrane;
The utility model discloses in, install biofilm carrier 5 in the contact oxidation pond 2, be used for fixed microorganism, increase the microorganism quantity, strengthen anaerobism and aerobic micro environment, be favorable to improving the biodegradation effect, aerator 6 can increase substantially the mass transfer efficiency of oxygen, provide sufficient dissolved oxygen for the microorganism, membrane micro-filtration device 4's water reaches quality of water emission standard then through outlet 17 output, quality of water does not reach emission standard then through circulating pipe 18 backward flow to mixed pool 1 or circulating groove 3, instantaneous pulse recoil device 16 can wash the membrane surface, can alleviate the membrane face pollution, reduce membrane filtration resistance, stabilize the operation flux of micro-filtration.
The top end of the mixing tank 1 is provided with a water inlet pipe 19.
An overflow weir 8 is arranged at the single connection part of the contact oxidation pond 2 and the circulating tank 3, and a sieve tank 9 is arranged at the position of the circulating tank 3 close to the overflow weir 8.
A filter screen 10 is arranged in the screen groove 9, and a grid plate 11 is arranged at the lower end of the filter screen 10.
The other side of the membrane microfiltration device 4 is connected with a circulating water pipe 18, and the other end of the circulating water pipe 18 is respectively communicated with the mixing tank 1 and the circulating tank 3.
The reciprocating screw rod 23 is rotatably connected with the inner wall of the circulating groove 3, and a waterproof bearing is arranged at the joint of the reciprocating screw rod 23 and the circulating groove 3.
The utility model discloses a theory of operation is:
when the device works, sewage enters the mixing tank 1 from the water inlet pipe 19, flows into the contact oxidation tank 2, flows into the sieve groove 9 through the overflow weir 8, is filtered by the filter sieve 10, and then flows into the circulating groove 3, the sludge pump 12 is used for cleaning sludge in the circulating groove 3, the circulating pump 13 pumps water in the circulating groove 3, and then the water enters the membrane micro-filtration device 4 for filtration, the water in the membrane micro-filtration device 4 is output through the water outlet 17 when reaching the water quality discharge standard, and the water which does not reach the discharge standard flows back to the mixing tank 1 or the circulating groove 3 through the circulating water pipe 18 for secondary filtration, wherein, the contact oxidation tank 2 is provided with the biological filler 5 for fixing microorganisms, increasing the number of microorganisms, enhancing the anaerobic and aerobic micro environments, and being beneficial to improving the biodegradation effect, the aerator 6 can greatly improve the mass transfer efficiency of oxygen, and provide sufficient dissolved oxygen for the microorganisms, the filtering mesh screen 10 is removed and is easily blockked up the suspended solid of follow-up micro-filtration device mesolamella passageway, instantaneous pulse recoil device 16 can wash the membrane surface, can alleviate the membrane face pollution, reduce membrane filtration resistance, stabilize the operation flux of micro-filtration, when cleaning device 20 uses, start driving motor 24, drive reciprocal lead screw 23 and rotate, make thread bush 22 and scraper blade 21 do reciprocating motion from beginning to end, sliding sleeve 25 slides along slide bar 26, carry out spacingly to scraper blade 21, keep the stability of scraper blade 21 motion, cleaning device 20 clears up the bottom of recycle tank 3, reduce the piling up of 3 bottom mud in recycle tank, prevent that sludge outlet 14 from blockking up, thereby reduce artificial use.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A novel membrane bioreactor comprises a mixing tank (1), a contact oxidation tank (2) and a circulating tank (3), and is characterized in that the mixing tank (1) and the contact oxidation tank (2) are separated by a partition plate, a water inlet is formed in the bottom of the partition plate, biological filler (5) is arranged in the contact oxidation tank (2), an aerator (6) is installed at the bottom of the contact oxidation tank (2), the aerator (6) is connected with a gas supply device (7), a sludge outlet (14) is formed in the lower end of one side of the circulating tank (3), the sludge outlet (14) is communicated with a sludge pump (12), a water outlet (15) is formed above the sludge outlet (14), the water outlet (15) is communicated with a circulating pump (13), a water outlet of the circulating pump (13) is connected with a membrane microfiltration device (4), an instantaneous pulse backwashing device (16) is arranged on the membrane microfiltration device (4), a water outlet (17) is formed in the top, a cleaning device (20) is arranged at the bottom of the circulating groove (3);
cleaning device (20) include scraper blade (21), and scraper blade (21) middle part cartridge screw rod (23) that reciprocates, scraper blade (21) and reciprocal screw rod (23) junction are equipped with thread bush (22), reciprocal screw rod (23) cartridge circulation groove (3) wall, and one end coupling driving motor (24) of reciprocal screw rod (23), scraper blade (21) both sides are equipped with sliding sleeve (25), and sliding sleeve (25) cartridge slide bar (26), the both ends fixed connection circulation groove (3) inner wall of slide bar (26).
2. A novel membrane bioreactor according to claim 1, characterized in that the top of the mixing tank (1) is provided with a water inlet pipe (19).
3. A novel membrane bioreactor according to claim 1, characterized in that a single junction of the contact oxidation tank (2) and the circulation tank (3) is provided with an overflow weir (8), and the circulation tank (3) is provided with a sieve tank (9) near the overflow weir (8).
4. A novel membrane bioreactor according to claim 3, characterized in that a filter screen (10) is arranged in the screen trough (9), and a grid plate (11) is arranged at the lower end of the filter screen (10).
5. The novel membrane bioreactor according to claim 1, characterized in that the other side of the membrane microfiltration device (4) is connected with a circulating water pipe (18), and the other end of the circulating water pipe (18) is respectively communicated with the mixing tank (1) and the circulating tank (3).
6. The novel membrane bioreactor according to claim 1, characterized in that the reciprocating screw rod (23) is rotatably connected with the inner wall of the circulation tank (3), and a waterproof bearing is arranged at the joint of the reciprocating screw rod (23) and the circulation tank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920588286.8U CN209923149U (en) | 2019-04-26 | 2019-04-26 | Novel membrane bioreactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920588286.8U CN209923149U (en) | 2019-04-26 | 2019-04-26 | Novel membrane bioreactor |
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| CN209923149U true CN209923149U (en) | 2020-01-10 |
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| CN201920588286.8U Active CN209923149U (en) | 2019-04-26 | 2019-04-26 | Novel membrane bioreactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113800727A (en) * | 2021-11-01 | 2021-12-17 | 苏州美淼环保科技有限公司 | Sewage biological processor and processing method thereof |
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- 2019-04-26 CN CN201920588286.8U patent/CN209923149U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113800727A (en) * | 2021-11-01 | 2021-12-17 | 苏州美淼环保科技有限公司 | Sewage biological processor and processing method thereof |
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