CN211497316U - Membrane biological water purification device convenient to clean - Google Patents
Membrane biological water purification device convenient to clean Download PDFInfo
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- CN211497316U CN211497316U CN201922412456.XU CN201922412456U CN211497316U CN 211497316 U CN211497316 U CN 211497316U CN 201922412456 U CN201922412456 U CN 201922412456U CN 211497316 U CN211497316 U CN 211497316U
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Abstract
The utility model discloses a membrane biological water purification device convenient to wash mainly is applied to lake blue alga and salvages separation and administers algae sediment dehydration tail water treatment technical field, contains facultative tank, aerobe pond, membrane cisterna, filter membrane subassembly, mechatronic room, facultative tank bottom sets up the intake pump, impeller, a plurality of annular breather pipes are laid to aerobe pond bottom, a plurality of aeration heads are connected to the annular breather pipe, aerobe pond both ends set up the water pipe and UNICOM facultative tank, membrane cisterna respectively, a plurality of filter membrane subassemblies are placed to the membrane cisterna, installation mud backwash pump and mud valve bottom the membrane cisterna, the mud backwash pump passes through pipeline and facultative tank UNICOM. Use the utility model relates to a membrane biological water purification device convenient to wash, it is high to go out water quality of water, uses, maintains the convenience, can monitor the jam condition of membrane module and be convenient for wash the biomembrane, increases the life of filter membrane subassembly.
Description
Technical Field
The utility model relates to a lake blue alga is salvaged the separation and is administered algae sediment dehydration tail water treatment technical field, concretely relates to membrane biological purifier convenient to wash.
Background
With the social development and the improvement of the ecological environment protection consciousness of people, the blue algae treatment problem is more and more emphasized. Usually, most of the blue algae can be removed from the water body by methods of pressure wall breaking sedimentation, high-efficiency air flotation separation and the like, but the tail water of the algae residue dehydration unit still contains a small amount of suspended blue algae and nutrient salts such as nitrogen, phosphorus and the like. In order to realize the deep purification treatment of the water body, biological methods such as activated sludge, membrane biological ponds and the like are adopted.
The membrane separation technology mainly utilizes the principle of physical screening to filter pollutants with the size larger than the size of a membrane pore, and is commonly used in the field of water purification. The membrane biological water purifying device has the advantages of small occupied area, high effluent quality, energy recovery and the like; however, the contaminants trapped on the membrane surface are easily adsorbed on the membrane pore surface, which causes a great decrease in the water yield and filtration effect of the membrane, which not only increases the operation and operation costs of the system, but also reduces the life cycle of the membrane.
SUMMERY OF THE UTILITY MODEL
The utility model provides a membrane biological purifier convenient to wash to the defect of the membrane biological ware that market is selling.
The technical scheme of the utility model is that: the utility model provides a membrane biological water purification device convenient to wash, includes facultative tank, aerobe pond, membrane cisterna, filter membrane subassembly, electromechanical room, facultative tank bottom sets up intake pump, impeller, a plurality of annular breather pipes are laid to aerobe pond bottom, a plurality of aeration heads are connected to the annular breather pipe, aerobe pond both ends set up the water pipe respectively UNICOM facultative tank, membrane cisterna, a plurality of filter membrane subassemblies are placed to the membrane cisterna, installation mud backwash pump and mud valve bottom the membrane cisterna, the mud backwash pump passes through pipeline and facultative tank UNICOM, electromechanical indoor installation backwash water pitcher, air-blower, backwash pump, product water pump, the air-blower passes through pipe connection annular breather pipe, filter membrane subassembly, product water pump connects membrane cisterna, delivery port, backwash pump connection backwash, filter membrane subassembly.
Preferably, at least 3 groups of annular vent pipes are arranged in the aerobic biological tank and are uniformly distributed at the bottom of the aerobic biological tank.
Preferably, at least 2 groups of filter membrane assemblies are arranged in the membrane pool.
Preferably, the filter membrane subassembly comprises support, first crosspiece, second crosspiece, biomembrane, the top of support sets up first crosspiece, and the bottom sets up the second crosspiece, lay a plurality of biomembranes between first crosspiece, the second crosspiece, the biomembrane is the symmetry and arranges.
Preferably, the periphery of the filter membrane component is provided with a box body made of PVC materials, the top of the box body is open, the bottom of the box body is provided with a valve and a pipeline, one side of the box body is provided with a movable baffle, and the top of the box body is provided with a lifting device.
Preferably, elevating gear includes support frame, rotatory handle, threaded rod, be equipped with the screw on the support frame, threaded rod one end is passed the screw and is linked to each other with rotatory handle, and the threaded rod other end links to each other with adjustable fender.
Preferably, a pneumatic control valve is arranged between the annular vent pipe and the blower.
Preferably, a pressure gauge and a flow meter are arranged between the pipelines between the backwashing pump and the filter membrane assembly.
Preferably, a negative pressure meter, a water outlet flow meter and a water outlet valve are arranged between the water outlet and the water producing pump.
Preferably, the facultative tank, the aerobic biological tank and the membrane tank are all filled with activated sludge.
The utility model discloses the technical problem that will solve is: the membrane biological water purifying device is convenient to clean and is used for treating algae residue dehydration tail water, wherein the algae residue dehydration tail water is firstly conveyed into a facultative tank by a water inlet pump to generate organic matter decomposition reaction and phosphorus release process of phosphorus accumulating bacteria; then the mixture of tail water and activated sludge enters the aerobic biological tank from the upper part of the facultative tank for full aeration, and the processes of organic matter decomposition reaction, nitration reaction and phosphorus absorption by phosphorus accumulating bacteria occur; then, the mixture enters a membrane pool, macromolecular particles such as sludge and the like are removed through the filtration of the membrane pool to obtain clear water with extremely high purity, and meanwhile, the activated sludge in the membrane pool flows back to the facultative tank to realize the cyclic utilization; the negative pressure gauge monitors the blocking condition of the filter membrane assembly, and if the filter membrane assembly is blocked, the biological membrane can be cleaned by using an air blower, a backwashing pump, a backwashing water tank and the like; the biological membranes are designed to be symmetrically distributed, so that damage to the biological membranes during backwashing is avoided; the periphery of the filter membrane component is provided with the box body, so that the filter membrane component does not need to be taken out when the biological membrane is periodically and chemically cleaned, and the membrane pool is prevented from being polluted.
The utility model has the advantages that: the membrane biological water purifying device convenient to clean has the advantages of high effluent quality, convenience in use and maintenance, capability of monitoring the blocking condition of a membrane component, convenience in cleaning a biological membrane and prolonging the service life of a filter membrane component.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a top view of the present invention;
FIG. 4 is a schematic view of the structure of the membrane module;
FIG. 5 is a schematic structural view of the tank, the valve, the pipeline and the lifting mechanism;
FIG. 6 is a schematic diagram of the present invention;
in the figure, 100-facultative tank, 101-water inlet pump, 102-flow impeller, 200-aerobic biological tank, 201-water pipe, 202-annular vent pipe, 203-aeration head, 204-pneumatic control valve, 300-membrane tank, 301-sludge reflux pump, 302-sludge discharge valve, 400-filter membrane component, 401-bracket, 402-first crosspiece, 403-second crosspiece, 404-biological membrane, 405-box body, 406-valve, 407-pipeline, 408-movable baffle, 409-lifting device, 410-support frame, 411-rotating handle, 412-threaded rod, 413-screw hole, 500-electromechanical chamber, 501-backwash water tank, 502-blower, 503-backwash pump, 504-water production pump, 505-water outlet, 506-pressure gauge, 507-negative pressure gauge.
Detailed Description
The utility model discloses a concrete implementation way does: as shown in fig. 1, 2, 3, 4, 5 and 6, a membrane biological water purification device convenient to clean comprises a facultative tank 100, an aerobic biological tank 200, a membrane tank 300, a filter membrane assembly 400 and an electromechanical chamber 500, wherein the bottom of the facultative tank 100 is provided with a water inlet pump 101 and a flow pusher 102, the bottom of the aerobic biological tank 200 is paved with a plurality of annular vent pipes 202, the annular vent pipes 202 are connected with a plurality of aeration heads 203, two ends of the aerobic biological tank 200 are provided with water pipes 201 respectively communicated with the facultative tank 100 and the membrane tank 300, the membrane tank 300 is provided with a plurality of filter membrane assemblies 400, the bottom of the membrane tank 300 is provided with a sludge reflux pump 301 and a sludge discharge valve 302, the sludge reflux blower 301 is communicated with the facultative tank 100 through a pipeline, the electromechanical chamber 500 is internally provided with backwash water tanks 501, 502, a backwash pump 503 and a water production pump 504, the blower 502 is connected with the annular vent pipes 202, the annular vent pipes, The water generating pump 504 is connected with the membrane pool 300 and the water outlet 505, and the backwashing pump 503 is connected with the backwashing water tank 501 and the filter membrane module 400. The flow pusher 102 pushes the dewatered algae residue tail water in the facultative tank 100 to be fully mixed with the activated sludge. The sludge reflux pump 301 discharges activated sludge containing polyphosphate bacteria and refluxes the rest of the activated sludge to the facultative tank 100. The water producing pump 504 pumps the clean water in the membrane tank 300 out through the membrane module 400. The backwash pump 503 conveys the clean water in the backwash water tank 501 into the filter membrane module 400 to clean the impurities adsorbed on the membrane surface.
Specifically, as shown in fig. 3, at least 3 groups of annular ventilation pipes 202 are arranged in the aerobic biological tank 200 and are uniformly distributed at the bottom of the aerobic biological tank 200.
Specifically, as shown in fig. 1, 2 and 3, at least 2 groups of filter membrane modules 400 are arranged in the membrane pool 300.
Specifically, as shown in fig. 4, the filter membrane assembly 400 is composed of a support 401, a first crosspiece 402, a second crosspiece 403 and a biological membrane 404, the first crosspiece 402 is arranged at the top of the support 401, the second crosspiece 403 is arranged at the bottom of the support 401, the biological membranes 404 are arranged between the first crosspiece 402 and the second crosspiece 403, and the biological membranes 404 are symmetrically arranged to avoid damage to the biological membranes during backwashing.
Specifically, as shown in fig. 5, a box body 405 made of PVC is disposed on the periphery of the filter membrane module 400, so as to prevent corrosion of the box body caused by chemicals added during chemical washing of the biological membrane; the top of the box body 405 is open, the bottom of the box body 405 is provided with a valve 406 and a pipeline 407, one side of the box body 405 is provided with a movable baffle 408, and the top of the box body 405 is provided with a lifting device 409. When the sludge treatment device operates, the movable baffle 408 is opened, and the sludge enters and exits normally; when the biological membrane 404 needs to be chemically washed, the movable baffle 408 is closed to isolate the membrane pool from the filter membrane assembly 400, and at the moment, the chemical agent can be added to wash the biological membrane 404 without taking the filter membrane assembly 400 out of the membrane pool 300, and meanwhile, the membrane pool 300 is prevented from being polluted; the washed waste liquid can be discharged through valve 406 and conduit 407.
Specifically, the lifting device 409 comprises a support frame 410, a rotating handle 411 and a threaded rod 412, a threaded hole 413 is formed in the support frame, one end of the threaded rod 412 penetrates through the threaded hole 413 to be connected with the rotating handle 411, and the other end of the threaded rod 412 is connected with the movable baffle 408. The lifting of the flapper 408 can be manipulated by rotating the handle 411.
Specifically, as shown in fig. 1 and 6, an air control valve 204 is disposed between the pipes between the annular vent pipe 202 and the blower 502.
Specifically, as shown in fig. 6, a pressure gauge 506 and a flow meter are arranged between the pipelines between the backwash pump 503 and the filter membrane module 400. The pressure gauge 506 and flow meter monitor the pressure and flow of backwash water.
Specifically, as shown in fig. 6, a negative pressure meter 507, a water outlet flow meter and a water outlet valve are arranged between the water outlet 505 and the water producing pump 504. The negative pressure meter 507 monitors whether the surface of the filter membrane component 400 is blocked or not, and the water outlet flow meter monitors the water outlet flow.
Specifically, activated sludge is filled in the facultative tank 100, the aerobic biological tank 200 and the membrane tank 300.
The utility model discloses a use method: starting a water inlet pump 101, and conveying the integrated secondary enhanced air flotation effluent to a facultative tank 100; the impeller 102 is turned on to generate turbulence to mix the effluent with the activated sludge thoroughly while preventing sludge settling. The facultative tank 100 is an anoxic environment, the facultative heterotrophic bacteria convert organic matters into low-molecular fatty acid and ammonia nitrogen under an anaerobic state, and the phosphorus-accumulating bacteria release phosphorus in the body under the anaerobic state.
After the organic matter decomposition and phosphorus release reaction of the phosphorus accumulating bacteria are completed, the mixture of the algae residue dehydration tail water and the activated sludge enters an aerobic biological tank 200; the blower 502 and the pneumatic control valve 204 are opened, and aeration is carried out in the tank through the annular vent pipe 202 and the aeration head 203 at the bottom. The aerobic biological pool 200 is an oxygen-enriched environment, heterotrophic bacteria continue to degrade organic matters, nitrifying bacteria perform nitration reaction under aerobic conditions to oxidize ammonia nitrogen into nitrate nitrogen, phosphorus-accumulating bacteria absorb a large amount of phosphorus under aerobic conditions, and low-molecular-weight fatty acid is consumed and absorbed by bacteria.
After the organic matter decomposition, nitration reaction and phosphorus absorption reaction of the phosphorus accumulating bacteria are completed, the mixture of the algae residue dehydration tail water and the activated sludge enters the membrane tank 300; starting the blower 502 and the pneumatic control valve 204, and blowing air into the membrane tank 300 to generate disturbance so as to prevent activated sludge from settling or attaching to the surface of the filter membrane assembly 400 in a large amount; the water producing pump 504 and the water outlet valve are opened, and the outlet water is discharged after filtering the macromolecular particles such as sludge by the filter membrane component 400. After a period of time, the blower 502, the pneumatic control valve 204, the water producing pump 504 and the water outlet valve are closed, aeration and drainage are stopped, denitrifying bacteria generate denitrification under an anoxic state, nitrate nitrogen is converted into molecular nitrogen to be discharged, and low molecular fatty acid is consumed; the phosphorus accumulating bacteria absorbing a large amount of phosphorus are kept stand and deposited, and a sludge discharge valve 302 is opened to discharge the deposited sludge. Therefore, a large amount of organic matters, total phosphorus, total nitrogen and the like in the air-floated water can be effectively removed. And starting the sludge reflux pump 301 to reflux the activated sludge into the facultative tank 100, so as to realize the cyclic utilization of the activated sludge.
The negative pressure gauge is arranged on the pipeline so as to be convenient for observing whether the filter membrane assembly 400 is seriously blocked, if the filter membrane assembly 400 is blocked, the backwashing pump 503, the air blower 502 and the air control valve 204 can be opened, water and aeration are introduced into the filter membrane assembly 400, and macromolecular particles such as sludge adsorbed on the surface of the filter membrane assembly 400 are discharged, so that backwashing of the filter membrane assembly 400 is realized, and the pressure gauge and the backwashing flow meter on the pipeline can monitor the pressure and the flow of backwashing water. The biomembrane is designed to be symmetrically distributed, so that damage to the biomembrane during backwashing is avoided.
The periphery of the filter membrane component is provided with a PVC box body with an opening at the top, the bottom of the box body is provided with a pipeline and a valve, one side of the box body is provided with a movable baffle 408, and the upper part of the movable baffle is provided with a lifting device. When the sludge treatment device is operated, the movable baffle is opened, and the sludge enters and exits normally; the movable baffle is closed when the biological membrane is periodically chemically cleaned, the membrane tank and the membrane assembly are isolated, chemical agents can be added to wash the biological membrane without taking out the membrane assembly, and meanwhile, the membrane tank is prevented from being polluted.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a membrane biological water purification unit convenient to wash, includes facultative anaerobic pond (100), good oxygen biological pond (200), membrane pond (300), filter membrane subassembly (400), electromechanical room (500), its characterized in that: the anaerobic tank is characterized in that a water inlet pump (101) and a flow pusher (102) are arranged at the bottom of the facultative tank (100), a plurality of annular vent pipes (202) are laid at the bottom of the aerobic biological tank (200), the annular vent pipes (202) are connected with a plurality of aeration heads (203), water pipes (201) are arranged at two ends of the aerobic biological tank (200) and are respectively communicated with the facultative tank (100) and the membrane tank (300), a plurality of filter membrane components (400) are placed in the membrane tank (300), a sludge reflux pump (301) and a sludge discharge valve (302) are installed at the bottom of the membrane tank (300), the sludge reflux pump (301) is communicated with the facultative tank (100) through a pipeline, a backwashing water tank (501), an air blower (502), a backwashing pump (503) and a water production pump (504) are installed in the electromechanical chamber (500), the air blower (502) is connected with the annular vent pipes (202) and the filter membrane components (400) through pipelines, and the backwashing pump (503) is connected with the backwashing water tank (501) and the filter membrane assembly (400).
2. The membrane biological water purification device convenient to clean as claimed in claim 1, wherein: at least 3 groups of annular vent pipes (202) are arranged in the aerobic biological tank (200) and are uniformly distributed at the bottom of the aerobic biological tank (200).
3. The membrane biological water purification device convenient to clean as claimed in claim 1, wherein: at least 2 groups of filter membrane assemblies (400) are arranged in the membrane pool (300).
4. The membrane biological water purification device convenient to clean as claimed in claim 3, wherein: filter membrane subassembly (400) comprises support (401), first crosspiece (402), second crosspiece (403), biomembrane (404), the top of support (401) sets up first crosspiece (402), and the bottom sets up second crosspiece (403), lay a plurality of biomembranes (404) between first crosspiece (402), second crosspiece (403), biomembrane (404) are the symmetric distribution.
5. The membrane biological water purification device convenient to clean as claimed in claim 4, wherein: the filter membrane component (400) periphery sets up box (405) of PVC material, box (405) open-top, box (405) bottom sets up valve (406) and pipeline (407), box (405) one side is adjustable fender (408), box (405) top has elevating gear (409).
6. The membrane biological water purification device convenient to clean as claimed in claim 5, wherein: elevating gear (409) include support frame (410), rotatory handle (411), threaded rod (412), be equipped with screw (413) on the support frame, threaded rod (412) one end is passed screw (413) and is linked to each other with rotatory handle (411), and the threaded rod (412) other end links to each other with adjustable fender (408).
7. The membrane biological water purification device convenient to clean as claimed in claim 1, wherein: and a pneumatic control valve (204) is arranged between the annular vent pipe (202) and the blower (502).
8. The membrane biological water purification device convenient to clean as claimed in claim 1, wherein: and a pressure gauge (506) and a flow meter are arranged between the pipelines between the backwashing pump (503) and the filter membrane assembly (400).
9. The membrane biological water purification device convenient to clean as claimed in claim 1, wherein: a negative pressure meter (507), a water outlet flow meter and a water outlet valve are arranged between the water outlet (505) and the water producing pump (504).
10. The membrane biological water purification device convenient to clean as claimed in claim 1, wherein: activated sludge is filled in the facultative tank (100), the aerobic biological tank (200) and the membrane tank (300).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922412456.XU CN211497316U (en) | 2019-12-29 | 2019-12-29 | Membrane biological water purification device convenient to clean |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922412456.XU CN211497316U (en) | 2019-12-29 | 2019-12-29 | Membrane biological water purification device convenient to clean |
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| CN211497316U true CN211497316U (en) | 2020-09-15 |
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| CN201922412456.XU Active CN211497316U (en) | 2019-12-29 | 2019-12-29 | Membrane biological water purification device convenient to clean |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114590927A (en) * | 2022-03-17 | 2022-06-07 | 中国科学院生态环境研究中心 | Rural domestic waste leachate low-cost treatment equipment |
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2019
- 2019-12-29 CN CN201922412456.XU patent/CN211497316U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114590927A (en) * | 2022-03-17 | 2022-06-07 | 中国科学院生态环境研究中心 | Rural domestic waste leachate low-cost treatment equipment |
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