CN218115113U - Anaerobic membrane bioreactor - Google Patents
Anaerobic membrane bioreactor Download PDFInfo
- Publication number
- CN218115113U CN218115113U CN202221549007.5U CN202221549007U CN218115113U CN 218115113 U CN218115113 U CN 218115113U CN 202221549007 U CN202221549007 U CN 202221549007U CN 218115113 U CN218115113 U CN 218115113U
- Authority
- CN
- China
- Prior art keywords
- anaerobic
- tank
- membrane
- membrane separation
- water outlet
- Prior art date
- 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.)
- Active
Links
Images
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The utility model discloses an anaerobic membrane bioreactor, which comprises a hydrolytic acidification tank, a middle distribution tank, a feed pump, an anaerobic tower, an anaerobic membrane separation tank and a membrane tank water production pump, wherein water in the hydrolytic acidification tank overflows to the middle distribution tank through the top, and the bottom of the middle distribution tank is connected with a water inlet pipe of the anaerobic tower through the feed pump; the anaerobic tower is internally provided with a first-stage solid-liquid separation device and a second-stage solid-liquid separation device from top to bottom, the top end of the anaerobic tower is provided with a capping gas cabinet for temporarily storing and stabilizing gas, a water outlet area at the top of the anaerobic tower is connected with a first water outlet pipe, the first water outlet pipe is communicated to the anaerobic membrane separation tank, a second water outlet pipe is connected to the top of the anaerobic membrane separation tank, and the second water outlet pipe is communicated to the middle distribution tank. The utility model discloses can optimize traditional anaerobism bioreactor and membrane separator and combine, improve the retention rate of anaerobism mud in the anaerobism membrane bioreactor, strengthen the impact load resistance ability of anaerobism membrane bioreactor, reduce the construction cost.
Description
Technical Field
The utility model relates to the technical field of water treatment, in particular to an anaerobic membrane bioreactor.
Background
The anaerobic bioreactor is an indispensable process facility in the current high-concentration organic wastewater treatment process, and compared with an aerobic microorganism treatment process facility, the anaerobic bioreactor has the advantages of low energy consumption, capacity of producing biogas for secondary utilization as energy, high volume load of the anaerobic bioreactor, much higher aerobic reactor, and lower investment for treating the same amount of COD.
Traditional anaerobic bioreactors (such as IC, EGSB, UASB, etc.) mostly use three-phase separators to separate biogas, sewage, and sludge. In order to ensure the sludge interception effect, the requirement on the rising flow rate is high, and particularly, high-concentration organic wastewater (such as wastewater in the industries of medicine, pesticide and fine chemical industry) has the defects that the concentration of organic pollutants is high, the fluctuation of wastewater components is high, the impact load on an anaerobic bioreactor is high, anaerobic granular sludge is often disintegrated and flocculated, flocculent sludge is often expanded, anaerobic sludge loss is further formed, the effluent of the anaerobic bioreactor exceeds the standard, and a system is collapsed, so that secondary sludge inoculation and secondary starting debugging have to be carried out. Meanwhile, the three-phase separator is made of PP plates mostly, so that the thickness is thick, the cost is high, the structure of the three-phase separator is blocked due to the high-hardness wastewater, the normal use of the anaerobic bioreactor is influenced, and the replacement and maintenance cost is high; the top of the three-phase separator needs to be matched with a biogas riser and a gas-liquid separator, so that the equipment cost and the equipment installation and maintenance difficulty are increased.
Disclosure of Invention
To the problem that exists among the prior art, the utility model provides an anaerobic membrane bioreactor optimizes traditional anaerobic bioreactor and membrane separation device and combines to solve the defect that above-mentioned exists.
The utility model adopts the technical proposal that: the anaerobic membrane bioreactor comprises a hydrolysis acidification tank, an intermediate distribution tank, a feed pump, an anaerobic tower, an anaerobic membrane separation tank and a membrane tank water production pump, wherein the bottoms of the hydrolysis acidification tank and the anaerobic tower are respectively provided with a water inlet pipe and a water distributor, water in the hydrolysis acidification tank overflows to the intermediate distribution tank through the top, and the bottom of the intermediate distribution tank is connected with the water inlet pipe of the anaerobic tower through the feed pump; the anaerobic tower is internally provided with a primary solid-liquid separation device and a secondary solid-liquid separation device from top to bottom, the top end of the anaerobic tower is provided with a capping gas cabinet for temporarily storing and stabilizing gas, the capping gas cabinet is provided with a gas outlet pipe, a water outlet area at the top of the anaerobic tower is connected with a first water outlet pipe, the first water outlet pipe is communicated to the anaerobic membrane separation tank, the top of the anaerobic membrane separation tank is connected with a second water outlet pipe, and the second water outlet pipe is communicated to a middle distribution tank; and a membrane separation assembly is arranged in the anaerobic membrane separation tank, the membrane separation assembly is connected with a third water outlet pipe, and a membrane tank water production pump is arranged on the third water outlet pipe.
Preferably, the anaerobic membrane separation tank is divided into a separation chamber and a sludge reflux chamber by a partition plate, a space is reserved between the lower part of the partition plate and the bottom of the anaerobic membrane separation tank, the membrane separation assembly is arranged in the separation chamber, the first water outlet pipe is communicated to the separation chamber, and the top of the sludge reflux chamber is connected with the second water outlet pipe. The sludge reflux chamber adopts the mode of water inlet from the bottom and water outlet from the top, thereby avoiding the methane of the anaerobic membrane separation tank from flowing into the middle distribution tank
Preferably, the membrane separation module is provided with a membrane module chemical cleaning device, the membrane module chemical cleaning device is arranged outside the anaerobic membrane separation tank and comprises a cleaning storage tank, a cleaning pump and a cleaning pipeline which are sequentially connected, and an outlet of the cleaning pipeline faces the membrane separation module.
Preferably, the membrane separation module is provided with a membrane module flushing device, the membrane module flushing device is a self-suction jet aerator, an air suction pipe of the self-suction jet aerator extends to the liquid level of the anaerobic membrane separation tank, and a diffusion pipe of the self-suction jet aerator faces the membrane separation module. The device can suck the oxygen-free air on the upper part of the closed anaerobic membrane separation tank into the self-suction jet aerator through the air suction pipe, and the air-liquid mixed feathering water flow is sprayed out to effectively wash the surface of the membrane separation component, so that the sludge is prevented from being accumulated, and the air in the water flow floats up to the water surface and then returns to the air on the upper part of the closed anaerobic membrane separation tank. Meanwhile, anaerobic air is sucked into the self-suction jet aerator (the membrane tank is closed, and oxygen is gradually consumed by microorganisms after the air is circulated for many times), so that the anaerobic environment of the whole anaerobic membrane bioreactor cannot be damaged.
Preferably, in the technical scheme, the separation filler of the first-stage solid-liquid separation device and the second-stage solid-liquid separation device is a composite of an inclined pipe and an inclined plate.
The utility model discloses anaerobic membrane bioreactor compares with prior art, the anaerobic tower has adopted two-stage solid-liquid separation equipment and capping gas holder solid as the anaerobic tower, liquid, three separator and the marsh gas steady voltage temporary storage device of gas, solid-liquid separation equipment's solid-liquid separation effect is better, difficult scale deposit blocks up, the retention rate of anaerobic sludge in the anaerobic membrane bioreactor has been improved greatly, the impact-resistant load capacity of anaerobic membrane bioreactor has been strengthened, capping gas holder fuses the top of the tower closing cap, vapour and liquid separator, multiple functions such as steady voltage cabinet are in an organic whole, the construction cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, the device comprises a water inlet pipe 1, a water inlet pipe 2, a hydrolysis acidification tank 3, an intermediate distribution tank 4, a feed pump 5, a water distributor 6, an anaerobic tower 7, a first-stage solid-liquid separation device 8, a second-stage solid-liquid separation device 9, a top sealing gas holder 10, a first water outlet pipe 11, a membrane component chemical cleaning device 12, an anaerobic membrane separation tank 13, a membrane separation component 14, a membrane tank water production pump 15, a membrane component scouring device 16, a second water outlet pipe 17, a third water outlet pipe 18 and a gas outlet pipe.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the utility model provides a pair of anaerobic membrane bioreactor, including hydrolysis-acidification pool 2, middle distribution pool 3, feed pump 4, anaerobic tower 6, anaerobic membrane separation pool 12 and membrane pool water pump 14, the bottom of hydrolysis-acidification pool 2 and anaerobic tower 6 all sets up inlet tube 1 and water-locator 5, the inlet water is gone into inlet tube 1 and water-locator 5 of hydrolysis-acidification pool 2 by the front end pretreatment section pump, the water of hydrolysis-acidification pool 2 overflows to middle distribution pool 3 through the top, the bottom of middle distribution pool 3 is passed through feed pump 4 and is connected with the inlet tube 1 of anaerobic tower 6; a first-stage solid-liquid separation device 7 and a second-stage solid-liquid separation device 8 are arranged in the anaerobic tower 6 from top to bottom, a capping gas cabinet 9 for temporarily storing and stabilizing gas is arranged at the top end of the anaerobic tower 6, a gas outlet pipe 18 is arranged on the capping gas cabinet 9, a water outlet area at the top of the anaerobic tower 6 is connected with a first water outlet pipe 10, the first water outlet pipe 10 is communicated with an anaerobic membrane separation tank 12, a second water outlet pipe 16 is connected at the top of the anaerobic membrane separation tank 12, and the second water outlet pipe 16 is communicated with a middle distribution tank 3; a membrane separation component 13 is arranged in the anaerobic membrane separation tank 12, the membrane separation component 13 is connected with a third water outlet pipe 17, and a membrane tank water production pump 14 is arranged on the third water outlet pipe 17.
The utility model discloses when concrete implementation, hydrolysis- acidification pool 2 and 3 adjacent settings in middle distribution pool, with locating a big pond in, this big pond top is located to anaerobism membrane separation pond 12, anaerobism membrane separation pond 12 is the airtight cell body of a stainless steel, separation chamber and mud backward flow room are separated into through the baffle to anaerobism membrane separation pond 12, there is the interval at the bottom of baffle below and anaerobism membrane separation pond 12, the separation chamber is located to membrane separation subassembly 13, outlet pipe 10 communicates to the separation chamber, outlet pipe two 16 is connected at mud backward flow room top, mud backward flow room make full use of the outer circulation flow of high concentration organic waste water and anaerobism tower 6 and the difference in height of hydrolysis-acidification pool 2. The membrane separation component 13 is provided with a membrane component chemical cleaning device 11, the membrane component chemical cleaning device 11 is arranged outside the anaerobic membrane separation tank 12 and comprises a cleaning storage tank, a cleaning pump and a cleaning pipeline which are sequentially connected, the cleaning pipeline extends into the separation chamber and faces the membrane separation component 13, the membrane separation component 13 is periodically chemically cleaned, and the filtering water passing amount of the membrane separation component 13 is kept. The membrane separation component 13 is also provided with a membrane component flushing device 15, the membrane component flushing device 15 is a self-suction jet aerator, an air inlet pipe of the self-suction jet aerator extends to the liquid level of the anaerobic membrane separation tank 12, and a diffusion pipe of the self-suction jet aerator faces the membrane separation component 13. The self-suction jet aerator can suck the anaerobic air at the top of the closed anaerobic membrane separation tank 12 into the jet aerator through the air inlet pipe, the anaerobic air is mixed with mud and water at the bottom of the sludge reflux chamber of the anaerobic membrane separation tank 12 and then is sprayed into the bottom of the membrane separation component 13, the membrane separation component 13 is effectively washed through the upflow action of a steam-water mixture, the sludge accumulation blockage is prevented, and the gas in the water flow floats upwards to the water surface and then returns to the anaerobic air above the inside of the closed anaerobic membrane separation tank 12. The separation filler of the first-stage solid-liquid separation device 7 and the second-stage solid-liquid separation device 8 is a composite of an inclined pipe and an inclined plate, the inclined pipe and the inclined plate are arranged, sludge is separated in the anaerobic tower through the inclined pipe and the inclined plate, and the sludge loss of the anaerobic tower 6 is prevented when water enters the anaerobic tower to impact a load.
The utility model discloses at specific during operation, hydrolysis-acidification pool 2 and middle distribution tank 3 mainly play hydrolysis-acidification and water distribution effect. The sewage/wastewater is pumped into a hydrolysis acidification tank 2 from the front end pretreatment section to carry out hydrolysis acidification reaction, and macromolecular organic pollutants are hydrolyzed and acidified into non-micromolecular organic matters so as to enter an anaerobic tower 6 for subsequent treatment. The effluent of the hydrolysis acidification tank 2 overflows into an intermediate distribution tank 3, and is completely mixed with the effluent of the anaerobic tower 6 in the intermediate distribution tank 3, and the effluent is pumped into the anaerobic tower 6 by a feed pump 4 of the anaerobic tower 6. The anaerobic tower 6 and the matched equipment thereof mainly have the functions of converting organic matters in the sewage/wastewater into combustible gas resources such as methane, hydrogen and the like through anaerobic microorganisms, effectively separating the methane in the sewage/wastewater through the capping gas holder 9 and the solid-liquid separation device, and intercepting most anaerobic particle/flocculent sludge in the anaerobic tower 6. Biogas generated by the anaerobic tower 6 is collected in a top-sealed gas cabinet 9 at the top end, and effluent automatically flows into an anaerobic membrane separation tank 12 after passing through a solid-liquid separation device. The anaerobic membrane separation tank 12 and the matched equipment thereof mainly play a role in intercepting anaerobic microorganisms in the effluent of the anaerobic tower 6. The microorganisms in the effluent of the anaerobic tower 6 are intercepted in the anaerobic membrane separation tank 12 through the membrane separation action of the ultrafiltration membrane of the membrane separation component 13, and the anaerobic effluent is pumped out by the membrane tank water pump 14 through the membrane separation component 13 of the anaerobic membrane separation tank 12 and then pumped into a subsequent treatment facility. Meanwhile, the anaerobic membrane separation tank 12 is internally provided with a membrane component flushing device 15, and by utilizing the equipment advantages of the self-suction jet aerator, anaerobic air sucked into the top of the closed anaerobic membrane separation tank 12 is used for carrying out gas-liquid stirring and flushing on the membrane separation component 13, so that the sludge accumulation on the surface of the membrane separation component 13 is prevented. The effluent of the anaerobic membrane separation tank 12 overflows into the intermediate distribution tank 3, is mixed with the effluent of the hydrolysis acidification tank 2 and is pumped into the anaerobic tower 6 by the feed pump 4 of the anaerobic tower 6.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An anaerobic membrane bioreactor, which is characterized in that: the anaerobic membrane separation device comprises a hydrolysis acidification tank, an intermediate water distribution tank, a feed pump, an anaerobic tower, an anaerobic membrane separation tank and a membrane tank water production pump, wherein the bottoms of the hydrolysis acidification tank and the anaerobic tower are respectively provided with a water inlet pipe and a water distributor, water in the hydrolysis acidification tank overflows to the intermediate water distribution tank through the top, and the bottom of the intermediate water distribution tank is connected with the water inlet pipe of the anaerobic tower through the feed pump; the anaerobic tower is internally provided with a primary solid-liquid separation device and a secondary solid-liquid separation device from top to bottom, the top end of the anaerobic tower is provided with a capping gas cabinet for temporarily storing and stabilizing gas, the capping gas cabinet is provided with a gas outlet pipe, a water outlet area at the top of the anaerobic tower is connected with a first water outlet pipe, the first water outlet pipe is communicated to the anaerobic membrane separation tank, the top of the anaerobic membrane separation tank is connected with a second water outlet pipe, and the second water outlet pipe is communicated to a middle distribution tank; and a membrane separation assembly is arranged in the anaerobic membrane separation tank, the membrane separation assembly is connected with a third water outlet pipe, and a membrane tank water production pump is arranged on the third water outlet pipe.
2. The anaerobic membrane bioreactor of claim 1, wherein: the anaerobic membrane separation tank is divided into a separation chamber and a sludge reflux chamber through a partition plate, a space is reserved between the lower part of the partition plate and the bottom of the anaerobic membrane separation tank, the membrane separation assembly is arranged in the separation chamber, the first water outlet pipe is communicated to the separation chamber, and the second water outlet pipe is connected to the top of the sludge reflux chamber.
3. The anaerobic membrane bioreactor of claim 1, wherein: the membrane separation component is provided with a membrane component chemical cleaning device, the membrane component chemical cleaning device is arranged outside the anaerobic membrane separation tank and comprises a cleaning storage tank, a cleaning pump and a cleaning pipeline which are sequentially connected, and an outlet of the cleaning pipeline faces the membrane separation component.
4. The anaerobic membrane bioreactor of claim 1, wherein: the membrane separation component is provided with a membrane component flushing device which is a self-suction jet aerator, an air suction pipe of the self-suction jet aerator extends to the liquid level of the anaerobic membrane separation tank, and a diffusion pipe of the self-suction jet aerator faces the membrane separation component.
5. The anaerobic membrane bioreactor of claim 1, wherein: the separation filler of the first-stage solid-liquid separation device and the second-stage solid-liquid separation device is a composite of an inclined pipe and an inclined plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221549007.5U CN218115113U (en) | 2022-06-21 | 2022-06-21 | Anaerobic membrane bioreactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221549007.5U CN218115113U (en) | 2022-06-21 | 2022-06-21 | Anaerobic membrane bioreactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218115113U true CN218115113U (en) | 2022-12-23 |
Family
ID=84515102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221549007.5U Active CN218115113U (en) | 2022-06-21 | 2022-06-21 | Anaerobic membrane bioreactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218115113U (en) |
-
2022
- 2022-06-21 CN CN202221549007.5U patent/CN218115113U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202688095U (en) | Efficient bioreactor for treating printing and dyeing wastewater | |
| CN112794596A (en) | Sludge-water separation type sludge anaerobic digestion treatment system and method | |
| CN201400622Y (en) | Multi-point backflow type IC anaerobe processing reactor | |
| CN203238141U (en) | Sewage biological treatment membrane filtration system | |
| CN209872720U (en) | Device for treating excess sludge | |
| CN112939216A (en) | Organic wastewater built-in block anaerobic reactor | |
| CN218115113U (en) | Anaerobic membrane bioreactor | |
| CN107973399B (en) | High-efficient three-phase separation system | |
| CN103408134B (en) | Anaerobic sludge bed reactor and method for treating organic waste water by using same | |
| CN208980414U (en) | Interior circulation is folded to upflow type anaerobic biological treatment device | |
| CN202881058U (en) | High-concentration alcohol wastewater treatment system | |
| CN111977779A (en) | Integrated domestic sewage treatment device convenient for cleaning sludge | |
| CN208038127U (en) | A kind of XS-CSFM intelligent and high-efficiencies bioreactor | |
| CN201962117U (en) | Multiphase serial internal circulating anaerobic reactor | |
| CN105712480A (en) | Biological treatment system applicable to medium-concentration and high-concentration organic waste water and water treatment method thereof | |
| CN201458822U (en) | Integral three-phase separating arrangement of vertical anaerobic treatment tank | |
| CN201330194Y (en) | Assemble-type three-phase separator for anaerobic reactor | |
| CN219526388U (en) | Novel high-load anaerobic reactor | |
| CN110963567A (en) | Lifting rotational flow water distribution system of UASB anaerobic reactor | |
| CN220766703U (en) | Novel granular sludge membrane biological reaction device | |
| CN220579052U (en) | Cross flow type anaerobic sewage treatment equipment | |
| CN210656602U (en) | Anaerobic type modularized sewage treatment device | |
| CN211419921U (en) | High-load anaerobic MBR (membrane bioreactor) | |
| CN212982571U (en) | Membrane bioreactor | |
| CN205035213U (en) | Biological wastewater processing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |