CN117509891B - MBR reactor capable of realizing in-situ cleaning of membrane - Google Patents
MBR reactor capable of realizing in-situ cleaning of membrane Download PDFInfo
- Publication number
- CN117509891B CN117509891B CN202311608065.XA CN202311608065A CN117509891B CN 117509891 B CN117509891 B CN 117509891B CN 202311608065 A CN202311608065 A CN 202311608065A CN 117509891 B CN117509891 B CN 117509891B
- Authority
- CN
- China
- Prior art keywords
- mbr
- tank
- dosing
- reaction tank
- automatic cleaning
- 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
- 238000004140 cleaning Methods 0.000 title claims abstract description 194
- 239000012528 membrane Substances 0.000 title claims abstract description 80
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 93
- 239000002351 wastewater Substances 0.000 claims abstract description 93
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000002360 preparation method Methods 0.000 claims abstract description 59
- 102000004190 Enzymes Human genes 0.000 claims abstract description 58
- 108090000790 Enzymes Proteins 0.000 claims abstract description 58
- 239000010865 sewage Substances 0.000 claims abstract description 58
- 244000005700 microbiome Species 0.000 claims abstract description 25
- 238000010992 reflux Methods 0.000 claims abstract description 16
- 238000003860 storage Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 46
- 230000008569 process Effects 0.000 claims description 42
- 230000000813 microbial effect Effects 0.000 claims description 37
- 239000003599 detergent Substances 0.000 claims description 23
- 238000005276 aerator Methods 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000010790 dilution Methods 0.000 claims 1
- 239000012895 dilution Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 17
- 238000011086 high cleaning Methods 0.000 abstract description 2
- 229940088598 enzyme Drugs 0.000 description 38
- 239000012459 cleaning agent Substances 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 108010059892 Cellulase Proteins 0.000 description 1
- 102000004882 Lipase Human genes 0.000 description 1
- 108090001060 Lipase Proteins 0.000 description 1
- 239000004367 Lipase Substances 0.000 description 1
- 108091005804 Peptidases Proteins 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004365 Protease Substances 0.000 description 1
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 229940106157 cellulase Drugs 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 235000019421 lipase Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- -1 organic matters Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
- C02F3/1273—Submerged membrane bioreactors
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/342—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention belongs to the technical field of sewage treatment, and discloses an MBR reactor capable of realizing in-situ cleaning of a membrane, which comprises an MBR automatic cleaning reaction tank, wherein a cleaning component is arranged in the MBR automatic cleaning reaction tank, and the MBR automatic cleaning reaction tank is communicated with a water storage component and a dosing component; the water storage component comprises a clean water tank and a wastewater tank which are communicated with the MBR automatic cleaning reaction tank, the clean water tank and the wastewater tank are positioned at the bottom end of the MBR automatic cleaning reaction tank, and the wastewater tank is communicated with the outside through a reflux system; the dosing assembly comprises a microorganism dosing tank and a mixed enzyme preparation dosing tank which are arranged at the top end of the MBR automatic cleaning reaction tank, and the microorganism dosing tank and the mixed enzyme preparation dosing tank are respectively communicated with the MBR automatic cleaning reaction tank. The MBR membrane cleaning device is simple to operate and convenient to use, can clean the MBR membrane on the premise of not disassembling equipment, has a good cleaning effect and high cleaning efficiency, and is widely applicable when being installed in any device needing the MBR membrane.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to an MBR reactor capable of realizing in-situ cleaning of a membrane.
Background
The MBR (Membrane bioreactor) sewage treatment process is an advanced sewage treatment technology, and is characterized in that a microporous membrane filter membrane is arranged in a bioreactor, and simultaneously, pollutants such as organic matters, nitrogen, phosphorus and the like in wastewater are thoroughly removed by utilizing a respiratory biological treatment technology. Compared with the traditional sewage treatment method, the MBR process has the following advantages: first, in terms of treatment effect, the MBR process can efficiently remove suspended substances, colloidal substances, bacteria and other microorganisms in sewage. The introduction of the membrane filtration effectively prevents the passage of pollutants, thereby realizing the stability and reliability of the quality of the effluent. Second, MBR processes can achieve higher capacity on volume load. Due to the existence of the membrane filter membrane, higher concentration can be achieved in the MBR system, so that the effective volume of the bioreactor is increased, and the occupied area of equipment is reduced. In addition, the MBR process has the characteristics of flexible operation, stable operation, reduced sludge yield, reduced use of chemical agents and the like. These advantages make the MBR process widely applied in the fields of urban sewage treatment plants, industrial wastewater treatment, rural domestic sewage treatment and the like.
There are some drawbacks to MBR membranes. First, MBR membranes are prone to contamination or clogging during use and difficult to clean. Because the membrane aperture is small and the running time is long, various pollutants and microorganisms can be attached to the membrane, the attachments can cause the membrane to be blocked, the treatment effect is affected, and because the MBR membrane has a special structure, the cleaning operation is relatively complex, the current cleaning mode is to detach and then clean the MBR membrane, and the MBR membrane is easy to damage in the manual cleaning process, so that the running cost and the labor input are increased; secondly, compared with the traditional process, the MBR membrane process has higher equipment investment cost and higher manufacturing and replacing cost of the MBR membrane, so that the construction and operation cost of an MBR system are higher; finally, the MBR membrane process has relatively high operation and maintenance requirements, and needs to carry out regular monitoring and maintenance work, including membrane cleaning, repair, replacement and the like; in addition, the MBR system has higher technical level requirements on operators and needs professional training and guidance; therefore, compared with the traditional process, the operation and management of the MBR membrane process are relatively complex, and the defects of difficult cleaning, high replacement cost and the like are not negligible.
Therefore, the design of the MBR reactor capable of realizing in-situ cleaning of the membrane has favorable development prospect and practical significance.
Disclosure of Invention
In order to solve the technical problems, the invention provides the MBR reactor capable of realizing in-situ cleaning of the membrane, which can clean the MBR membrane in situ without manual disassembly, thereby realizing the protection of the MBR membrane and prolonging the service life of the MBR membrane.
In order to achieve the above purpose, the invention provides an MBR reactor capable of realizing in-situ cleaning of a membrane, which comprises an MBR automatic cleaning reaction tank, wherein a cleaning component is arranged in the MBR automatic cleaning reaction tank, and the MBR automatic cleaning reaction tank is communicated with a water storage component and a dosing component;
The water storage component comprises a clean water tank and a wastewater tank which are communicated with the MBR automatic cleaning reaction tank, the clean water tank and the wastewater tank are positioned at the bottom end of the MBR automatic cleaning reaction tank, and the wastewater tank is communicated with the outside through a reflux system;
The dosing assembly comprises a microorganism dosing tank and a mixed enzyme preparation dosing tank which are arranged at the top end of the MBR automatic cleaning reaction tank, and the microorganism dosing tank and the mixed enzyme preparation dosing tank are respectively communicated with the MBR automatic cleaning reaction tank.
Preferably, the cleaning assembly comprises a rotary table arranged in the MBR automatic cleaning reaction tank, the rotary table is in transmission connection with a driving device arranged outside the MBR automatic cleaning reaction tank, and an MBR reactor is arranged in the rotary table.
Preferably, an MBR membrane module fixing shaft is arranged in the turntable, and the MBR reactor is fixedly arranged on the MBR membrane module fixing shaft.
Preferably, a waste water pipe which is communicated with each other is arranged between the waste water tank and the MBR automatic cleaning reaction tank, and the waste water pipe enables sewage in the MBR automatic cleaning reaction tank to flow unidirectionally to the waste water tank.
Preferably, the clean water tank is used for storing clean water, and the clean water tank is communicated with the MBR automatic cleaning reaction tank in a one-way manner through a clean water adding pipe.
Preferably, the microbial dosing tank is stored with microbial detergent, and the microbial dosing tank is communicated with the MBR automatic cleaning reaction tank in one way through a microbial dosing pipe.
Preferably, the mixed enzyme preparation is stored in the mixed enzyme preparation dosing tank, and the mixed enzyme preparation dosing tank is connected with the MBR automatic cleaning reaction tank in a one-way manner through a mixed enzyme preparation dosing pipe.
Preferably, an aerator is arranged in the MBR automatic cleaning reaction tank, and the aerator is communicated with the outside of the MBR automatic cleaning reaction tank.
Preferably, both sides of the MBR automatic cleaning reaction tank are respectively communicated with a sewage inlet pipe and a sewage outlet pipe, and the sewage inlet pipe and the sewage outlet pipe are respectively communicated with the process tanks of the last step and the next step of the MBR automatic cleaning reaction tank.
Preferably, the reflux system comprises a wastewater reflux pipe communicated with the wastewater tank, and the wastewater reflux pipe is communicated with the process tank of the first step of the MBR automatic cleaning reaction tank.
Compared with the prior art, the invention has the following advantages and technical effects: the invention discloses a device for an MBR reactor capable of realizing in-situ cleaning of a membrane, which is used for cleaning the MBR membrane in situ by adding a plurality of cleaning agents into an automatic MBR cleaning reaction tank through a microbial dosing tank and a mixed enzyme preparation dosing tank, thereby enhancing the cleaning effect, prolonging the service life of the MBR membrane and saving the cost of manual operation; the MBR automatic cleaning reaction tank is communicated with a wastewater tank and a clean water tank, the wastewater tank is used for storing sewage for cleaning the cleaning assembly, the clean water tank is used for flushing the MBR automatic cleaning reaction tank for cleaning and discharging sewage, the sewage is stored into the wastewater tank again, and the sewage is recovered through a recovery system, so that the cleaning effect is improved; the cleaning component is movably arranged in the MBR automatic cleaning reaction tank, so that the cleaning effect can be improved.
The MBR membrane cleaning device is simple to operate and convenient to use, can clean the MBR membrane on the premise of not disassembling equipment, has a good cleaning effect and high cleaning efficiency, and is widely applicable when being installed in any device needing the MBR membrane.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic diagram of an MBR reactor capable of in-situ membrane cleaning in accordance with the present invention;
FIG. 2 is a flow chart of the operation of an MBR reactor that can achieve membrane in-situ cleaning in accordance with the present invention;
In the figure: 1. a sewage inlet pipe; 2. automatically cleaning a reaction tank by using an MBR; 3. a microorganism dosing tank; 4. microbial detergents; 5. a power pump; 6. a mixed enzyme preparation dosing box; 7. mixing enzyme preparation; 8. an aerator; 9. a turntable; 10. an MBR reactor; 11. a sewage outlet pipe; 12. MBR membrane module fixed axle; 13. a clean water tank; 14. a waste water return pipe; 15. a wastewater tank; 16. a waste pipe; 17. a microorganism dosing tube; 18. a mixed enzyme preparation dosing tube; 19. clear water adding pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-2, the present embodiment provides an apparatus for an MBR reactor capable of implementing in-situ membrane cleaning, including an MBR automatic cleaning reaction tank 2, a cleaning component is disposed in the MBR automatic cleaning reaction tank 2, and the MBR automatic cleaning reaction tank 2 is communicated with a water storage component and a dosing component;
The water storage component comprises a clean water tank 13 and a wastewater tank 15 which are communicated with the MBR automatic cleaning reaction tank 2, the clean water tank 13 and the wastewater tank 15 are positioned at the bottom end of the MBR automatic cleaning reaction tank 2, and the wastewater tank 15 is communicated with the outside through a reflux system;
The dosing assembly comprises a microorganism dosing tank 3 and a mixed enzyme preparation dosing tank 6 which are arranged at the top end of the MBR automatic cleaning reaction tank 2, and the microorganism dosing tank 3 and the mixed enzyme preparation dosing tank 6 are respectively communicated with the MBR automatic cleaning reaction tank 2.
The invention discloses a device of an MBR reactor 10 capable of realizing in-situ cleaning of a membrane, which is used for cleaning the MBR membrane in situ by adding a plurality of cleaning agents into an MBR automatic cleaning reaction tank 2 through a microorganism dosing tank 3 and a mixed enzyme preparation dosing tank 6, thereby enhancing the cleaning effect, prolonging the service life of the MBR membrane and saving the cost of manual operation; the MBR automatic cleaning reaction tank 2 is communicated with a wastewater tank 15 and a clean water tank 13, the wastewater tank 15 is used for storing sewage for cleaning the cleaning assembly, the clean water tank 13 is used for flushing the MBR automatic cleaning reaction tank 2 for cleaning and discharging sewage, the sewage is stored into the wastewater tank 15 again and is recovered through a recovery system, and the cleaning effect is improved; the cleaning component is movably arranged in the MBR automatic cleaning reaction tank 2, so that the cleaning effect can be improved.
Furthermore, the device of the invention can be installed in any device requiring an MBR process to play the role of the MBR process, and can realize the in-situ automatic cleaning of the MBR membrane without manually disassembling the MBR membrane for cleaning, the in-situ automatic cleaning process of the whole MBR membrane comprises three steps of cleaning by a microbial detergent 4, cleaning by a mixed enzyme preparation 7 and cleaning by clean water, and the MBR membrane can rotate along with a turntable 9 for cleaning in the whole cleaning process, so that the cleaning effect is better. The waste water generated in the whole cleaning process can be stored in the waste water tank 15, and the waste water tank 15 can transport a small amount of waste water to the first step process tank of the whole device where the device is located through the waste water reflux system for many times, so that the waste water is purified.
In a further optimized scheme, the cleaning assembly comprises a rotary table 9 arranged in the MBR automatic cleaning reaction tank 2, the rotary table 9 is in transmission connection with a driving device arranged outside the MBR automatic cleaning reaction tank 2, and an MBR reactor 10 is arranged in the rotary table 9; an MBR membrane module fixing shaft 12 is arranged in the turntable 9, and an MBR reactor 10 is fixedly arranged on the MBR membrane module fixing shaft 12. The driving device drives the rotary table 9 in the MBR automatic cleaning reaction tank 2 to rotate, and then drives the MBR reactor 10 which is installed and fixed on the rotary table 9 through the MBR membrane component fixing shaft 12 to rotate in the MBR automatic cleaning reaction tank 2, cleaning is carried out under the condition of various cleaning agents, substances attached to the MBR membrane are better washed through centrifugal force generated by rotating cleaning, rotating water flow with a certain speed can be generated through rotating cleaning, dirt, grease, residues and the like on the surface of an object can be thoroughly cleaned rapidly through the impact force and the cutting force of water, the cleaning effect is improved, a large-scale cleaning coverage area can be formed rapidly through rotating cleaning, and cleaning agents are saved.
Further, the rated rotation speed of the driving device of this embodiment is 60r/min, and when the device is in the cleaning state, the turntable 9 will start to rotate at 60r/min, and the MBR reactor 10 mounted and fixed on the turntable 9 will rotate along with the turntable 9.
Further optimizing scheme is provided with the waste water pipe 16 of intercommunication each other between waste water pond 15 and MBR self-cleaning reaction tank 2, and waste water pipe 16 makes the sewage in the MBR self-cleaning reaction tank 2 to the one-way circulation of waste water pond 15. The wastewater tank 15 is used for storing and cleaning wastewater of the MBR reactor 10, the wastewater pipe 16 is opened unidirectionally to the wastewater tank 15 to prevent the wastewater from flowing backwards, and the stored wastewater flows back to the first step process tank of the integral device of the device through a backflow system to carry out purification treatment on the wastewater.
According to a further optimization scheme, the clean water tank 13 is used for storing clean water, and the clean water tank 13 is communicated with the interior of the MBR automatic cleaning reaction tank 2 in a one-way manner through a clean water adding pipe 19. Clear water in the clear water tank 13 is added into the MBR automatic cleaning reaction tank 2 through the clear water adding pipe 19, when the device carries out in-situ automatic cleaning on the MBR membrane, the clear water adding pipe 19 is opened, the rotary table 9 is opened, clear water is added into the MBR automatic cleaning reaction tank 2 until the MBR reactor 10 in the MBR automatic cleaning reaction tank 2 is completely immersed, after immersion, the clear water adding pipe 19 is closed, the rotary table 9 is kept to drive the MBR reactor 10 to rotate, the rotary cleaning is kept for 1 hour, then the cleaned clear water is discharged into the wastewater tank 15, and the process is a third cleaning process of the in-situ automatic cleaning of the MBR membrane, so that the cleaning effect is ensured.
In a further optimized scheme, the microbial detergent 4 is stored in the microbial dosing tank 3, and the microbial dosing tank 3 is communicated with the MBR automatic cleaning reaction tank 2 in one way through a microbial dosing pipe 17. The microbial dosing tank 3 stores microbial detergent 4, enters the MBR automatic cleaning reaction tank 2, submerges the MBR reactor 10 in the MBR automatic cleaning reaction tank 2, closes the microbial dosing pipe 17 after submerging, keeps the turntable 9 to drive the MBR reactor 10 to rotate, keeps the rotating cleaning for 3-4 hours, then discharges sewage into the wastewater tank 15 through the wastewater pipe 16, and the process is a first-step cleaning process of the MBR membrane in-situ automatic cleaning.
According to a further optimization scheme, a mixed enzyme preparation 7 is stored in the mixed enzyme preparation dosing tank 6, and the mixed enzyme preparation dosing tank 6 is connected with the MBR automatic cleaning reaction tank 2 in a one-way mode through a mixed enzyme preparation dosing pipe 18. When the device carries out in-situ automatic cleaning on the MBR membrane, a mixed enzyme preparation dosing pipe 18 is opened, and a mixed enzyme preparation 7 prepared in a mixed enzyme preparation dosing box 6 is added into the MBR automatic cleaning reaction tank 2 until the MBR reactor 10 in the MBR automatic cleaning reaction tank 2 is completely immersed; after immersing, the mixed enzyme preparation dosing pipe 18 is closed, the MBR reactor 10 is driven to rotate by the holding turntable 9, the rotating cleaning is kept for 2-3 hours, then the sewage is emptied again, and the process is a second cleaning process of the in-situ automatic cleaning of the MBR membrane.
Further, the microbial preparation of the embodiment is a solution prepared from a plurality of harmless bacteria having decomposition effects on organic matters, greasy dirt and sludge.
Further, the mixed enzyme preparation 7 is a solution composed of lipase, protease and cellulase, and can decompose bacteria, microorganisms, viruses, fats, proteins, cellulose and the like attached to the MBR membrane.
Further, the clean water tank 13, the microorganism medicine box 3 and the mixed enzyme preparation medicine box 6 of the present embodiment are respectively provided with a power pump 5 as the conveying power of the internal solution.
Further optimizing scheme is provided with an aerator 8 in the MBR automatic cleaning reaction tank 2, and the aerator 8 is communicated with the outside of the MBR automatic cleaning reaction tank 2. The aerator 8 is used for aerating the MBR automatic cleaning reaction tank 2, and can provide sufficient air in the normal sewage treatment process of the device.
Further optimizing scheme, the both sides of MBR self-cleaning reaction tank 2 are linked together respectively and are had sewage inlet tube 1 and sewage outlet pipe 11, and sewage inlet tube 1 and sewage outlet pipe 11 communicate with the technology pond of the last step and the next step of MBR self-cleaning reaction tank 2 respectively. The sewage water inlet pipe 1 and the sewage water outlet pipe 11 form a loop to connect the device to any device needing an MBR process to exert the effect of the MBR process, in-situ automatic cleaning of the MBR membrane can be realized, manual disassembly of the MBR membrane is not needed for cleaning, the in-situ automatic cleaning process of the whole MBR membrane comprises three steps of cleaning by a microbial detergent 4, cleaning by a mixed enzyme preparation 7 and cleaning by clean water, and the MBR membrane can rotate along with a turntable 9 for cleaning in the whole cleaning process, so that the cleaning effect is better; the waste water generated in the whole cleaning process can be stored in the waste water tank 15, and the waste water tank 15 can transport a small amount of waste water to the first step process tank of the whole device where the device is located through the waste water reflux system for many times, so that the waste water is purified.
Further, when the device is in a non-cleaning state, a waste water pipe 16, a clean water adding pipe 19, a microorganism adding pipe 17 and a mixed enzyme preparation adding pipe 18 which are connected with the MBR automatic cleaning reaction tank 2 are in a closing state, a sewage water inlet pipe 1 and a sewage water outlet pipe 11 which are connected with the MBR automatic cleaning reaction tank 2 are in an opening state, and an aerator 8 in the MBR automatic cleaning reaction tank 2 is in a working state. The switch state is opposite to the switch state when the device is in the non-cleaning state when the device is in the cleaning state.
Furthermore, the device can play a normal sewage treatment role when in a non-cleaning state, ammonia nitrogen, organic matters and 95% suspended matters in the sewage are removed, and the treated sewage is transported to a next process pool through the sewage outlet pipe 11.
Further, the device of this embodiment compares in those need dismantle the MBR membrane just can to the abluent device of MBR, and this device need not dismantle the MBR membrane, but carries out thorough washing to the MBR membrane at the normal position of MBR membrane, does not need manual dismantlement for the cleaning process of MBR membrane convenient and fast more just clean health.
Further preferably, the reflux system comprises a wastewater reflux pipe 14 communicated with the wastewater tank 15, and the wastewater reflux pipe 14 is communicated with the process tank of the first step of the MBR automatic cleaning reaction tank 2. The sewage entering the sewage tank 15 is transported to the first step process tank of the integral device of the device through the sewage reflux system for a small amount and a plurality of times through the sewage reflux pipe 14, such as a regulating tank or an anaerobic tank, and the sewage is purified.
Further, a power pump 5 is also provided in the wastewater tank 15 and is in communication with the wastewater return pipe 14 as power for discharging wastewater.
The using steps are as follows:
When the sewage needs to be cleaned, the sewage inlet pipe 1 is closed, sewage in the MBR automatic cleaning reaction tank 2 enters the next process tank through the sewage outlet pipe 11 and is emptied, and the sewage outlet pipe 11 is closed. The microbial dosing tube 17 and the power pump 5 in the microbial dosing tank 3 are turned on, the microbial detergent 4 in the microbial dosing tank 3 is added into the MBR automatic cleaning reaction tank 2, the turntable 9 is turned on, the MBR membrane is rotated while being cleaned by the microbial detergent 4, when the microbial detergent 4 is added into the submerged MBR reactor 10, the microbial dosing tube 17 and the power pump 5 in the microbial dosing tank 3 are turned off, the rotation of the turntable 9 is maintained, and the microbial detergent 4 is rotated and cleaned for-hours. After the completion of the spin-washing of the microbial detergent 4, the waste water pipe 16 is opened, and the waste water after the spin-washing of the microbial detergent 4 is discharged to the waste water tank 15 for temporary storage.
After the MBR reactor 10 is cleaned by the microbial detergent 4, a mixed enzyme preparation dosing pipe 18 and a power pump 5 in the mixed enzyme preparation dosing box 6 are opened, the mixed enzyme preparation 7 in the mixed enzyme preparation dosing box 6 is added into the MBR automatic cleaning reaction tank 2, a turntable 9 is started, the MBR membrane is rotated while being cleaned by the mixed enzyme preparation 7, when the mixed enzyme preparation 7 is added into the submerged MBR reactor 10, the mixed enzyme preparation dosing pipe 18 and the power pump 5 in the mixed enzyme preparation dosing box 6 are closed, the rotation of the turntable 9 is kept, and the mixed enzyme preparation 7 is rotated and cleaned for-hours. After the completion of the spin-washing of the mixed enzyme preparation 7, the waste water pipe 16 is opened, and the waste water after the spin-washing of the mixed enzyme preparation 7 is discharged to the waste water tank 15 for temporary storage.
After the MBR 10 is cleaned by the mixed enzyme preparation 7, then, a clean water adding pipe 19 and a power pump 5 in a clean water tank 13 are turned on, clean water in the clean water tank 13 is added into the MBR automatic cleaning reaction tank 2, and a rotary table 9 is turned on, so that the MBR membrane is rotated while being cleaned by clean water, when the clean water is added to submerge the MBR 10, the power pump 5 in the clean water adding pipe 19 and the clean water tank 13 is turned off, the rotary table 9 is kept rotating, and the clean water is rotated and cleaned for hours. After the end of the spin-washing of the clean water, the waste water pipe 16 is opened, and the waste water after the spin-washing of the microbial detergent 4 is discharged to the waste water tank 15 for temporary storage.
After the three washing processes are finished, the waste water in the waste water tank 15 is returned to the regulating tank or the anaerobic tank by adopting a small amount of methods for a plurality of times through the power pump 5 and the waste water return pipe 14, and the waste water to be treated by the device is mixed and diluted and then purified and discharged.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (3)
1. An MBR reactor capable of realizing in-situ cleaning of a membrane, which is characterized in that: the automatic MBR cleaning reaction tank (2) is internally provided with a cleaning component, and the automatic MBR cleaning reaction tank (2) is communicated with a water storage component and a dosing component;
The water storage component comprises a clean water tank (13) and a wastewater tank (15) which are communicated with the MBR automatic cleaning reaction tank (2), the clean water tank (13) and the wastewater tank (15) are positioned at the bottom end of the MBR automatic cleaning reaction tank (2), and the wastewater tank (15) is communicated with the outside through a backflow system;
The dosing assembly comprises a microorganism dosing tank (3) and a mixed enzyme preparation dosing tank (6) which are arranged at the top end of the MBR automatic cleaning reaction tank (2), and the microorganism dosing tank (3) and the mixed enzyme preparation dosing tank (6) are respectively communicated with the inside of the MBR automatic cleaning reaction tank (2);
the cleaning assembly comprises a rotary table (9) arranged in the MBR automatic cleaning reaction tank (2), the rotary table (9) is in transmission connection with a driving device arranged outside the MBR automatic cleaning reaction tank (2), and an MBR reactor (10) is arranged in the rotary table (9);
A waste water pipe (16) which is communicated with each other is arranged between the waste water tank (15) and the MBR automatic cleaning reaction tank (2), and the waste water pipe (16) enables sewage in the MBR automatic cleaning reaction tank (2) to flow in one direction to the waste water tank (15);
The clean water tank (13) is used for storing clean water, and the clean water tank (13) is communicated with the MBR automatic cleaning reaction tank (2) in a one-way manner through a clean water adding pipe (19);
The microbial dosing tank (3) is stored with a microbial detergent (4), and the microbial dosing tank (3) is communicated with the MBR automatic cleaning reaction tank (2) in one way through a microbial dosing pipe (17);
The mixed enzyme preparation dosing box (6) is stored with a mixed enzyme preparation (7), and the mixed enzyme preparation dosing box (6) is connected with the MBR automatic cleaning reaction tank (2) in a one-way through a mixed enzyme preparation dosing pipe (18);
the two sides of the MBR automatic cleaning reaction tank (2) are respectively communicated with a sewage inlet pipe (1) and a sewage outlet pipe (11), and the sewage inlet pipe (1) and the sewage outlet pipe (11) are respectively communicated with the process tanks of the last step and the next step of the MBR automatic cleaning reaction tank (2);
the reflux system comprises a wastewater reflux pipe (14) communicated with the wastewater tank (15), and the wastewater reflux pipe (14) is communicated with a process tank of the first step of the MBR automatic cleaning reaction tank (2);
the MBR reactor capable of realizing in-situ cleaning of the membrane comprises the following using steps:
When the sewage needs to be cleaned, the water inlet pipe (1) is closed, sewage in the MBR automatic cleaning reaction tank (2) enters the next process tank through the sewage outlet pipe (11) and is emptied, and the sewage outlet pipe (11) is closed; the method comprises the steps of opening a power pump (5) in a microorganism dosing pipe (17) and a microorganism dosing tank (3), adding microorganism detergent (4) in the microorganism dosing tank (3) into an MBR automatic cleaning reaction tank (2), opening a rotary table (9) to enable an MBR membrane to rotate while receiving cleaning of the microorganism detergent (4), closing the power pump (5) in the microorganism dosing pipe (17) and the microorganism dosing tank (3) when the microorganism detergent (4) is added into a submerged MBR reactor (10), keeping rotation of the rotary table (9), and performing 3-4 hours of rotation cleaning of the microorganism detergent (4); after the rotation cleaning of the microbial detergent (4) is finished, a waste water pipe (16) is opened, and the waste water after the rotation cleaning of the microbial detergent (4) is discharged to a waste water tank (15) for temporary storage;
After the MBR (10) is cleaned by the microbial detergent (4), a power pump (5) in a mixed enzyme preparation dosing pipe (18) and a mixed enzyme preparation dosing box (6) is opened, a mixed enzyme preparation (7) in the mixed enzyme preparation dosing box (6) is added into an MBR automatic cleaning reaction tank (2) and a rotary table (9) is opened, so that the MBR membrane is cleaned by the mixed enzyme preparation (7) while rotating, when the mixed enzyme preparation (7) is added into the MBR (10), the power pump (5) in the mixed enzyme preparation dosing pipe (18) and the mixed enzyme preparation dosing box (6) is closed, the rotary table (9) is kept rotating, and the mixed enzyme preparation (7) is cleaned in a rotating way for 2-3 hours; after the rotary cleaning of the mixed enzyme preparation (7) is finished, a waste water pipe (16) is opened, and the waste water after the rotary cleaning of the mixed enzyme preparation (7) is discharged to a waste water tank (15) for temporary storage;
After the MBR (10) is cleaned by the mixed enzyme preparation (7), a clean water adding pipe (19) and a power pump (5) in a clean water tank (13) are opened, clean water in the clean water tank (13) is added into the MBR automatic cleaning reaction tank (2) and a turntable (9) is started, so that the MBR membrane rotates and is cleaned by clean water, when the clean water is added into the submerged MBR (10), the clean water adding pipe (19) and the power pump (5) in the clean water tank (13) are closed, the rotation of the turntable (9) is kept, and the clean water is rotated and cleaned for hours; after the rotational cleaning of the clear water is finished, a waste water pipe (16) is opened, and the waste water after the rotational cleaning of the microbial detergent (4) is discharged to a waste water tank (15) for temporary storage;
After the washing process is finished, the waste water in the waste water tank (15) is returned to the regulating tank or the anaerobic tank is mixed with the sewage to be treated by the device for dilution and then purified and discharged by adopting a method of a small amount of multiple times through the power pump (5) and the waste water return pipe (14).
2. The MBR reactor for membrane in-situ cleaning of claim 1, wherein: an MBR membrane module fixing shaft (12) is arranged in the rotary table (9), and the MBR reactor (10) is fixedly arranged on the MBR membrane module fixing shaft (12).
3. The MBR reactor for membrane in-situ cleaning of claim 1, wherein: an aerator (8) is arranged in the MBR automatic cleaning reaction tank (2), and the aerator (8) is communicated with the outside of the MBR automatic cleaning reaction tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311608065.XA CN117509891B (en) | 2023-11-28 | 2023-11-28 | MBR reactor capable of realizing in-situ cleaning of membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311608065.XA CN117509891B (en) | 2023-11-28 | 2023-11-28 | MBR reactor capable of realizing in-situ cleaning of membrane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117509891A CN117509891A (en) | 2024-02-06 |
| CN117509891B true CN117509891B (en) | 2024-05-14 |
Family
ID=89756544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311608065.XA Active CN117509891B (en) | 2023-11-28 | 2023-11-28 | MBR reactor capable of realizing in-situ cleaning of membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117509891B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649600A (en) * | 2011-02-25 | 2012-08-29 | 四川久润环保科技有限公司 | Online-cleaning MBR (Membrane Bioreactor) membrane set device |
| CN112023708A (en) * | 2020-09-23 | 2020-12-04 | 东北电力大学 | Automatic membrane cleaning device for MBR (membrane bioreactor) process and use method thereof |
| CN216171445U (en) * | 2021-10-13 | 2022-04-05 | 云南城投碧水源膜科技有限责任公司 | System for cleaning in-situ suspended MBR (membrane bioreactor) membrane |
| CN217449670U (en) * | 2022-06-15 | 2022-09-20 | 武汉环投千子山环境产业有限公司 | Automatic cleaning device of MBR (membrane bioreactor) for sewage treatment |
-
2023
- 2023-11-28 CN CN202311608065.XA patent/CN117509891B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649600A (en) * | 2011-02-25 | 2012-08-29 | 四川久润环保科技有限公司 | Online-cleaning MBR (Membrane Bioreactor) membrane set device |
| CN112023708A (en) * | 2020-09-23 | 2020-12-04 | 东北电力大学 | Automatic membrane cleaning device for MBR (membrane bioreactor) process and use method thereof |
| CN216171445U (en) * | 2021-10-13 | 2022-04-05 | 云南城投碧水源膜科技有限责任公司 | System for cleaning in-situ suspended MBR (membrane bioreactor) membrane |
| CN217449670U (en) * | 2022-06-15 | 2022-09-20 | 武汉环投千子山环境产业有限公司 | Automatic cleaning device of MBR (membrane bioreactor) for sewage treatment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117509891A (en) | 2024-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100375648C (en) | On-line chemical cleaning method for membrane bioreactor | |
| CN108675528A (en) | A kind of sewage treatment equipment | |
| CN202465360U (en) | MBR (Membrane Bioreactor) membrane module instrument with washing unit | |
| CN108675547A (en) | Environmental project sewage purification treatment equipment | |
| CN112573780A (en) | Membrane biological reaction MBR integration sewage treatment system | |
| CN100486681C (en) | Outer installation type gas lift circulation membrane splitter | |
| CN213388211U (en) | MBR membrane sewage treatment plant who possesses self-cleaning ability | |
| CN117509891B (en) | MBR reactor capable of realizing in-situ cleaning of membrane | |
| CN218089273U (en) | System for treating landfill leachate | |
| CN209906439U (en) | Anaerobic MBR nitrogen removal equipment | |
| CN208995351U (en) | A kind of metal industry bio-refractory waste water processing unit | |
| CN113060831A (en) | Antifouling stifled aeration equipment of MBR | |
| CN204509045U (en) | A kind of sewage disposal device utilizing the low power consuming of microorganism high-level efficiency | |
| CN218860909U (en) | Seawater medium cooler online cleaning and maintaining equipment | |
| CN215439809U (en) | Step oxidation water pollution purifying equipment | |
| CN206109043U (en) | Membrane bioreactor | |
| CN219297226U (en) | Micro-filtration type dirty fungus cleaning device | |
| CN219860918U (en) | Integrated rural sewage purification treatment system | |
| CN214829295U (en) | Water works filtering pond belt cleaning device | |
| CN219585901U (en) | Floating bead filter | |
| CN220165962U (en) | Sewage treatment system with external MBR membrane module of gas stripping circulation | |
| CN211394093U (en) | Domestic sewage treatment device suitable for offshore boosting platform | |
| CN210944962U (en) | Iron-carbon micro-electrolysis reaction tower with iron-carbon hard to harden | |
| CN215250059U (en) | Factory sewage treatment equipment | |
| CN217780962U (en) | Biological reaction device for removing ammonia nitrogen from manganese slag leachate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |