CN220214254U - Self-cleaning membrane filter - Google Patents
Self-cleaning membrane filter Download PDFInfo
- Publication number
- CN220214254U CN220214254U CN202321337628.1U CN202321337628U CN220214254U CN 220214254 U CN220214254 U CN 220214254U CN 202321337628 U CN202321337628 U CN 202321337628U CN 220214254 U CN220214254 U CN 220214254U
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- tube
- filter
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- self
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- 239000012528 membrane Substances 0.000 title claims abstract description 50
- 238000004140 cleaning Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000001471 micro-filtration Methods 0.000 claims abstract description 24
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000011001 backwashing Methods 0.000 claims description 18
- 238000004062 sedimentation Methods 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 16
- 239000000835 fiber Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 4
- 244000025254 Cannabis sativa Species 0.000 claims description 3
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 3
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 3
- 235000009120 camo Nutrition 0.000 claims description 3
- 235000005607 chanvre indien Nutrition 0.000 claims description 3
- 239000011487 hemp Substances 0.000 claims description 3
- 241000196171 Hydrodictyon reticulatum Species 0.000 claims 3
- 230000003139 buffering effect Effects 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 description 12
- 230000000903 blocking effect Effects 0.000 description 10
- 239000002245 particle Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to a self-cleaning membrane filter, which belongs to the technical field of filters, and comprises a filter cartridge, wherein a buffer cavity is formed in the interior of the filter cartridge in a hollow manner, one end of the filter cartridge is communicated with a buffer tube, a filter screen is arranged at the communication part of the buffer cavity and the buffer tube, and a microfiltration membrane is arranged on the side, close to the buffer tube, of the filter screen; the other end of the filter cylinder is communicated with the buffer tube through a guide tube, the two guide tubes are communicated with a three-way joint, the other two ends of the three-way joint on the guide tube communicated with the filter cylinder are respectively communicated with a water inlet tube and a backwash outlet tube, the other two ends of the three-way joint on the guide tube communicated with the buffer tube are respectively communicated with a water outlet tube and a backwash inlet tube, and valves are respectively arranged on the water inlet tube, the water outlet tube, the backwash inlet tube and the backwash outlet tube. Through utilizing structures such as three-way connection, valve for whole filter equipment's pipeline is simplified, easily operation, and is applicable to the self-cleaning function of the membrane filter that realizes continuous flow through the pipeline.
Description
Technical Field
The utility model relates to the technical field of filters, in particular to a self-cleaning membrane filter.
Background
The core original of the membrane filter is a filter membrane, which is a membrane with more tiny holes fully distributed on a microporous supporting layer (supporting body), in order to improve the application effect of the membrane filter, a structure is usually additionally arranged on the membrane filter to enable the membrane filter to have a self-cleaning function, for example, an energy-saving self-cleaning microfiltration membrane filter for chlor-alkali production (patent number: CN 202222832020.8) comprises a supporting table, the upper surface of the supporting table is fixedly connected with a filter cartridge, the inner wall of the filter cartridge is fixedly connected with a baffle plate, the bottom surface of the baffle plate is fixedly inlaid with a conical seat, the conical seat is in a hollow design, a group of filtrate holes are formed in the outer surface of the conical seat, the outer surface of the conical seat is fixedly connected with a microfiltration membrane, a supporting cylinder is arranged below the conical seat, two supporting rods are fixedly connected with the inner wall of the filter cartridge, one ends of the two supporting rods, which are far away from each other, are fixedly connected with a backwash pipe, a backwash nozzle and a first water inlet pipe through which are arranged can be used for injecting cleaning liquid, and the ejection of the backwash pipe and the backwash nozzle are used for carrying out internal flushing on the microfiltration membrane through the filtrate holes, so that the cleaning effect of the microfiltration membrane is increased, and the efficient cleaning work of the microfiltration membrane is convenient.
The existing membrane filter with the self-cleaning function generally adopts a backwashing mode, but because pipelines are additionally arranged in the backwashing mode, the pipeline system of the whole membrane filter becomes complex and inconvenient to operate, and the complex pipeline has no good applicability for some membrane filters applied to pipelines which continuously circulate.
Disclosure of Invention
Through utilizing structures such as three-way connection, valve for whole filter equipment's pipeline is simplified, easily operation, and is applicable to the self-cleaning function of the membrane filter that realizes continuous flow through the pipeline.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the self-cleaning membrane filter comprises a filter cartridge, wherein a buffer cavity is formed in the filter cartridge in a hollow mode, one end of the filter cartridge is communicated with a buffer tube, a filter screen is arranged at the communication part of the buffer cavity and the buffer tube, and a microfiltration membrane is arranged on the side, close to the buffer tube, of the filter screen; the other end of the filter cylinder is communicated with the buffer tube, the two guide tubes are communicated with a three-way joint, the other two ends of the three-way joint on the guide tube communicated with the filter cylinder are respectively communicated with a water inlet pipe and a backwash outlet pipe, the other two ends of the three-way joint on the guide tube communicated with the buffer tube are respectively communicated with a water outlet pipe and a backwash inlet pipe, and the water inlet pipe, the water outlet pipe, the backwash inlet pipe and the backwash outlet pipe are respectively provided with a valve which has the following working principle: firstly, a water inlet pipe 8, a water outlet pipe 5, a backwashing water inlet pipe 3 and a backwashing water outlet pipe are communicated with corresponding pipelines outside, when filtering treatment is carried out, valves on the backwashing water inlet pipe and the backwashing water outlet pipe are closed, valves on the water inlet pipe and the water outlet pipe are opened, at the moment, water to be filtered enters a buffer cavity through a conducting pipe and is filtered by a filter screen and a microfiltration membrane, and the water is discharged from the water outlet pipe through the buffer pipe and the conducting pipe, so that the filtering process is completed; secondly, when the filter screen and the micro-filtration membrane are required to be cleaned, valves on the water inlet pipe and the water outlet pipe are closed, and valves on the backwash inlet pipe and the backwash outlet pipe are opened, so that backwash water can reversely flow through the micro-filtration membrane and the filter screen, and further the backwash effect is realized; finally, by utilizing the structures such as the three-way joint and the valve, the pipeline of the whole filtering device is simplified, the operation is easy, and the self-cleaning function of the membrane filter on the continuous flow pipeline is realized.
The further preferred scheme is as follows: the inner wall of the buffer tube is provided with a plurality of fiber strips which are arranged in a dense hemp mode, and the strip diameter of the fiber strips is smaller than the aperture of the microfiltration membrane. The fiber thin strips with the strip diameter smaller than the aperture of the microfiltration membrane are arranged on the inner wall of the buffer tube, when backwashing is carried out, the fiber thin strips can penetrate through the microfiltration membrane under the flushing of backwash water, so that the microfiltration membrane is flushed, and the backwashing effect is improved.
The further preferred scheme is as follows: the buffer cavity is in an upward inclined state along the filtering direction, and the bottom end of the guide tube communicated with the filter cylinder is flush with the bottom of the buffer cavity. The buffer cavity is wholly inclined upwards along the filtering direction, so that large-particle substances in water to be filtered entering the buffer cavity from the conducting pipe can be settled, and the settled substances slide downwards along the bottom of the buffer cavity, so that the filter screen and the micro-filtration membrane can be prevented from being blocked by the large-particle substances.
The further preferred scheme is as follows: a sedimentation tank is arranged at the bottom of the filter cylinder and positioned at the lower half part of the buffer cavity, and the length of the sedimentation tank is half of that of the buffer cavity. The bottom of the lower half part of the buffer cavity is provided with a sedimentation tank, so that large granular substances sliding from the bottom of the buffer cavity can be sedimented and collected, and the large granular substances are concentrated and temporarily stored, so that the buffer cavity is convenient to clean.
The further preferred scheme is as follows: the sedimentation tank bottom intercommunication is vertical form and stretch out the blow off pipe of cartridge filter, and the blow off pipe bottom is equipped with a screw cap. The bottom of the sedimentation tank is communicated with a drain pipe with a threaded cover, the drain pipe is vertically arranged, the threaded cover can be directly opened, substances in the sedimentation tank fall along the drain pipe under the action of gravity, and the cleaning process is completed.
The further preferred scheme is as follows: the sedimentation tank groove face is equipped with a water blocking net, and water blocking net keeps the parallel and level with the cushion chamber bottom, and the water blocking net is interior equidistant to be equipped with a plurality of blocks, and the block leans up along the filtration direction, forms the leak between two adjacent blocks. The water blocking net is internally provided with the blocking block which inclines upwards along the filtering direction, when water to be filtered flows through, water flow can circulate along the upper inclined surface of the blocking block, so that the water flow can be greatly prevented from scouring the sedimentation tank, and the scouring force action of the water flow on substances in the sedimentation tank is reduced.
The utility model provides a self-cleaning membrane filter, which has the following beneficial effects:
1. the utility model simplifies the pipeline of the whole filtering device by utilizing the structures such as the three-way joint, the valve and the like, is easy to operate, and is suitable for realizing the self-cleaning function of the membrane filter on the continuous flow pipeline.
2. The utility model has the advantages that the whole buffer cavity is inclined upwards along the filtering direction, so that large-particle substances in water to be filtered entering the buffer cavity from the conducting pipe can be settled, the settled substances slide downwards along the bottom of the buffer cavity, the filter screen and the micro-filtration membrane can be prevented from being blocked by the large-particle substances, and the bottom of the lower half part of the buffer cavity is provided with the sedimentation tank, so that the large-particle substances sliding downwards from the bottom of the buffer cavity can be sedimented and collected, and the large-particle substances are centralized and temporarily stored, thereby being convenient for cleaning.
Drawings
FIG. 1 is a schematic view of the external overall structure of the present utility model.
Fig. 2 is a schematic view of the longitudinal sectional structure of the present utility model.
Fig. 3 is a schematic diagram of a water blocking net structure according to the present utility model.
FIG. 4 is a schematic view of the structure of the fiber sliver of the present utility model.
1-4: 1. a filter cartridge; 2. a buffer tube; 3. backwashing the inlet pipe; 4. a valve; 5. a water outlet pipe; 6. a three-way joint; 7. a conduit; 8. a water inlet pipe; 9. backwashing the outlet pipe; 10. a blow-down pipe; 1001. a screw cap; 11. a precipitation tank; 12. a buffer chamber; 13. a filter screen; 14. a fiber sliver; 15. microfiltration membrane; 16. a water-blocking net; 1601. a block; 1602. and (5) a leak hole.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples:
please refer to fig. 1 to 4:
the inside of the filter cylinder 1 is hollow to form a buffer cavity 12, one end of the filter cylinder 1 is communicated with a buffer tube 2, a filter screen 13 is arranged at the communication part of the buffer cavity 12 and the buffer tube 2, a micro-filtration membrane 15 is arranged on the side of the filter screen 13 near the buffer tube 2, a plurality of fiber strips 14 which are densely arranged in hemp are arranged on the inner wall of the buffer tube 2, and the strip diameter of the fiber strips 14 is smaller than the aperture of the micro-filtration membrane 15; the filter cartridge 1 other end all communicates a tube 7 with buffer tube 2, two tube 7 all communicate a three way connection 6, three way connection 6 on the tube 7 of filter cartridge 1 intercommunication communicate a inlet tube 8 respectively, a backwash exit tube 9 respectively, three way connection 6 on the tube 7 of buffer tube 2 intercommunication communicates a outlet pipe 5 respectively, a backwash advances the pipe 3 respectively in other two, all be equipped with a valve 4 on inlet tube 8, outlet pipe 5, backwash advance the pipe 3, the backwash exit tube 9, buffer chamber 12 is the state of inclining up wholly along the filtration direction, and the tube 7 bottom of filter cartridge 1 intercommunication is parallel and level with buffer chamber 12 bottom.
The bottom of the filter cartridge 1 is provided with a sedimentation tank 11 at the lower half part of the buffer cavity 12, and the length of the sedimentation tank 11 is half of the length of the buffer cavity 12; the bottom of the sedimentation tank 11 is communicated with a drain pipe 10 which is vertical and extends out of the filter cartridge 1, and a screw cap 1001 is arranged at the bottom end of the drain pipe 10.
The sedimentation tank 11 groove face is equipped with a water blocking net 16, and water blocking net 16 keeps the parallel and level with the cushion chamber 12 bottom, and the equidistant a plurality of blocks 1601 that are equipped with in the water blocking net 16, and the block 1601 leans up along the filtration direction, forms the weep hole 1602 between two adjacent blocks 1601.
The working principle is as follows: firstly, a water inlet pipe 8, a water outlet pipe 5, a backwashing water inlet pipe 3 and a backwashing water outlet pipe 9 are communicated with corresponding pipelines outside, when filtering treatment is carried out, valves 4 on the backwashing water inlet pipe 3 and the backwashing water outlet pipe 9 are closed, valves 4 on the water inlet pipe 8 and the water outlet pipe 5 are opened, at the moment, water to be filtered enters a buffer cavity 12 through a guide pipe 7 and is filtered by a filter screen 13 and a microfiltration membrane 15, and then is discharged from the water outlet pipe 5 through the buffer pipe 2 and the guide pipe 7, so that the filtering process is completed; secondly, when the filter screen 13 and the micro-filtration membrane 15 need to be cleaned, the valves 4 on the water inlet pipe 8 and the water outlet pipe 5 are closed, the valves 4 on the backwash inlet pipe 3 and the backwash outlet pipe 9 are opened, and backwash water can reversely flow through the micro-filtration membrane 15 and the filter screen 13, so that the backwash effect is realized; finally, by utilizing the structures of the three-way joint 6, the valve 4 and the like, the pipeline of the whole filtering device is simplified, the operation is easy, and the self-cleaning device is suitable for realizing the self-cleaning function of the membrane filter on the continuous flow pipeline.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The self-cleaning membrane filter comprises a filter cartridge (1), wherein a buffer cavity (12) is formed in the interior of the filter cartridge (1), one end of the filter cartridge (1) is communicated with a buffer tube (2), a filter screen (13) is arranged at the communication part of the buffer cavity (12) and the buffer tube (2), and a microfiltration membrane (15) is arranged on the side, close to the buffer tube (2), of the filter screen (13); the method is characterized in that: the other end of the filter cylinder (1) is communicated with the buffer tube (2) through a guide tube (7), the two guide tubes (7) are communicated with a three-way joint (6), the other two ends of the three-way joint (6) on the guide tube (7) communicated with the filter cylinder (1) are respectively communicated with a water inlet tube (8) and a backwashing outlet tube (9), the other two ends of the three-way joint (6) on the guide tube (7) communicated with the buffer tube (2) are respectively communicated with a water outlet tube (5) and a backwashing inlet tube (3), and the water inlet tube (8), the water outlet tube (5), the backwashing inlet tube (3) and the backwashing outlet tube (9) are respectively provided with a valve (4).
2. A self-cleaning membrane filter as claimed in claim 1, wherein: the inner wall of the buffer tube (2) is provided with a plurality of fiber strips (14) which are arranged by the dense hemp, and the strip diameter of the fiber strips (14) is smaller than the aperture of the microfiltration membrane (15).
3. A self-cleaning membrane filter as claimed in claim 1, wherein: the whole state that is the decline along the filtration direction of buffering chamber (12), and conduction pipe (7) bottom and buffering chamber (12) bottom parallel and level of cartridge filter (1) intercommunication.
4. A self-cleaning membrane filter as claimed in claim 1, wherein: a sedimentation tank (11) is arranged at the lower half part of the buffer cavity (12) at the bottom of the filter cylinder (1), and the length of the sedimentation tank (11) is half of the length of the buffer cavity (12).
5. A self-cleaning membrane filter as claimed in claim 4, wherein: the bottom of the sedimentation tank (11) is communicated with a drain pipe (10) which is vertical and extends out of the filter cartridge (1), and a thread cover (1001) is arranged at the bottom end of the drain pipe (10).
6. A self-cleaning membrane filter as claimed in claim 4, wherein: the sedimentation tank (11) groove surface is equipped with one and blocks water net (16), blocks water net (16) and buffer chamber (12) bottom keep the parallel and level, blocks water net (16) in equidistant a plurality of blocks (1601) that are equipped with, blocks (1601) are along the filtration direction upward slope, form leak (1602) between two adjacent blocks (1601).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321337628.1U CN220214254U (en) | 2023-05-30 | 2023-05-30 | Self-cleaning membrane filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321337628.1U CN220214254U (en) | 2023-05-30 | 2023-05-30 | Self-cleaning membrane filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220214254U true CN220214254U (en) | 2023-12-22 |
Family
ID=89195562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321337628.1U Active CN220214254U (en) | 2023-05-30 | 2023-05-30 | Self-cleaning membrane filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220214254U (en) |
-
2023
- 2023-05-30 CN CN202321337628.1U patent/CN220214254U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |