CN209771851U - Rotation type filtration membrane self-cleaning device - Google Patents
Rotation type filtration membrane self-cleaning device Download PDFInfo
- Publication number
- CN209771851U CN209771851U CN201920307989.9U CN201920307989U CN209771851U CN 209771851 U CN209771851 U CN 209771851U CN 201920307989 U CN201920307989 U CN 201920307989U CN 209771851 U CN209771851 U CN 209771851U
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- membrane
- filtering
- central tube
- chamber cavity
- ratchet
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Abstract
The utility model discloses a rotary automatic cleaning device for a filtering membrane, which comprises a membrane shell and a central tube, wherein the central tube is transversely and rotatably arranged in the membrane shell; the central tube is driven by a driving motor; the central tube is fixedly provided with a filtering membrane group, the interior of the membrane shell is divided into a water filtering chamber cavity and a clear water chamber cavity by a sealing plate, and the filtering membrane group is positioned in the water filtering chamber cavity; the left end of the central tube is provided with a through hole, and the right end of the central tube is provided with a liquid spraying port; a liquid inlet is formed in the top of the water filtering chamber, and a concentrated liquid discharge outlet is formed in the bottom of the water filtering chamber; a clear water outlet is formed at the bottom of the clear water chamber cavity; the filtration membrane group comprises a plurality of filtration membrane discs, each filtration membrane disc comprises two filtration membranes arranged at intervals, the outer edges of the two filtration membranes are connected in a sealing mode, the through holes are located between the two filtration membranes of each filtration membrane disc, and a group of cleaning assemblies are arranged between every two adjacent filtration membrane discs. The utility model has the advantages of high cleaning efficiency, good cleaning effect and the like.
Description
Technical Field
The utility model relates to a sewage filtration technology field especially relates to a rotation type filtration membrane self-cleaning device.
Background
After the filtering membrane is used for a period of time, a large amount of dirt is trapped on the surface of the filtering membrane, if the filtering membrane is not cleaned, the quality of filtered water is influenced, and the service life of the filtering membrane is shortened, so that the filtering membrane must be cleaned to enable the filtering membrane to recover the normal filtering effect. At present, many filter membranes are cleaned manually, manually operated and cleaned by mechanical power, so that a large amount of manpower and material resources are consumed, and the operation cost is very high.
The utility model discloses a utility model for CN201220001081.3 specially does benefit to 2012's 9 month 5 and discloses a self-cleaning filtration membrane device, this patent passes through rotary device and drives center tube and filtration membrane and constantly rotates, because sprinkler's injection liquid constantly sprays to filtering membrane heap, make filtering membrane heap surface receive throughout and erode the washing, rotary device drives filtering membrane heap and constantly rotates produced centrifugal force effect and also can remove the part and hold back the material simultaneously, this patent has realized the self-cleaning to filtration membrane basically, but this patent's rotary device is by the liquid that the center tube flows provides power, power is not enough, and wash filtration membrane through the liquid that sprinkler jetted, the cleaning performance is not good.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the prior art, the utility model provides an automatic belt cleaning device of rotation type filtration membrane has advantages such as cleaning efficiency height, cleaning performance are good.
in order to achieve the above object, the utility model adopts the following technical scheme:
A rotary automatic cleaning device for a filtering membrane comprises a membrane shell and a central tube, wherein the central tube transversely penetrates through the membrane shell, and two ends of the central tube are respectively and rotatably connected with two end faces of the membrane shell through bearings; one end of the central tube is connected with the output end of a driving motor arranged outside the membrane shell; the central tube is fixedly provided with a filtering membrane group, the interior of the membrane shell is divided into a water filtering chamber cavity and a clear water chamber cavity through a sealing plate, the water filtering chamber cavity and the clear water chamber cavity are both arranged in a closed mode, and the filtering membrane group is located in the water filtering chamber cavity; the part of the central tube positioned in the cavity of the water filtering chamber is provided with a plurality of through holes, and the part of the central tube positioned in the cavity of the clear water chamber is provided with a plurality of liquid spraying ports; a liquid inlet is formed in the top of the water filtering chamber cavity; the bottom of the water filtering chamber cavity is provided with a concentrated solution discharge port; and a clear water outlet is formed at the bottom of the clear water chamber cavity.
The filter membrane group comprises a plurality of filter membrane discs, each filter membrane disc comprises two filter membranes arranged at intervals, the outer edges of the two filter membranes are hermetically connected through an adhesive, and the through holes are positioned between the two filter membranes of each filter membrane disc; be equipped with a set of clean subassembly between two adjacent filter membrane dishes, clean subassembly includes driving disc and ratchet, driving disc fixed mounting be in on the center tube, the ratchet has the ratchet of ratchet for the inner edge, a plurality of clean blade are evenly installed along circumference to the outer fringe of ratchet, the both sides surface of clean blade all covers there is the broken filament, be equipped with on the driving disc with ratchet complex pawl, work as when the center tube rotates, the pawl with ratchet cooperation transmission.
The working principle is as follows: pour into the liquid of treating the filtration through the inlet, start driving motor, drive the filtration membrane group on the center tube and rotate, strengthen the filtration of treating filterable liquid, treat that filterable liquid is filtered by the filtration membrane on the filtration membrane group, filtration membrane's lateral surface is the working face, clear solution after the filtration passes through the thru hole and gets into the center tube to flow into clear water room chamber from spouting the liquid mouth, finally discharge from the clear water liquid outlet, the concentrate after the filtration is kept off in the filtration membrane outside, finally discharge from the concentrate discharge port. In the filtering process, the driving motor keeps rotating at a constant speed, the pawl is in transmission fit with the ratchet wheel, the cleaning blade and the filtering membrane disc synchronously rotate, the cleaning blade does not clean the filtering membrane at the moment, when the filtering process is finished, the driving motor stops working, the central tube and the filtering membrane disc stop working, no transmission exists between the pawl and the ratchet wheel at the moment, the ratchet wheel drives the cleaning blade to continuously rotate under the inertia effect, and broken filaments on working surfaces on two sides of the cleaning blade respectively clean the filtering membranes on two sides. Also can be in filtering process, the spaced slows down driving motor, and when driving motor slowed down, the rotational speed of center tube and filtration membrane dish reduced, and the cleaning blade takes place relative rotation (lose the transmission between pawl and the ratchet this moment) with filtering the membrane dish under the inertia effect, accomplishes the cleanness to filtration membrane. The utility model discloses can accomplish the washing to filtration membrane automatically, the cleaning efficiency is high, and the cleaning performance is good, need not to drop into the cost of labor, has reduced the parking, has improved work efficiency.
Preferably, the cleaning blade is curved.
The cleaning blade is arc-shaped, so that the contact area between the cleaning blade and the filtering membrane is increased, and the cleaning efficiency of the cleaning blade to the filtering membrane is improved.
Preferably, a balancing weight is installed at one end part, far away from the ratchet wheel, of the cleaning blade.
The balancing weight is installed at the end part of the cleaning blade, so that the inertia of the cleaning blade is increased, when the central tube stops rotating or rotates at a reduced speed, the cleaning blade has larger inertia to continue rotating, and the cleaning effect on the filtering membrane is further enhanced.
Preferably, the top of the water filtering chamber cavity is provided with a spraying pipe communicated with the liquid inlet, and the bottom of the spraying pipe is uniformly provided with a plurality of distributing holes.
The liquid to be filtered enters the spraying pipe from the liquid inlet and is sprayed out from the flow distribution holes, so that the liquid to be filtered can be uniformly sprayed on the filtering membrane group, a certain flushing effect is achieved on the filtering membrane group, and an auxiliary effect is achieved on the cleaning of the filtering membrane.
Preferably, sealing elements are arranged at the joints of the central pipe and the two end faces of the membrane shell and the joints of the central pipe and the sealing plate.
The sealing element can ensure the sealing of the filter chamber and the clean water chamber.
The utility model has the advantages that:
1. The utility model discloses can accomplish the washing to filtration membrane automatically, the cleaning efficiency is high, and the cleaning performance is good, need not to drop into the cost of labor, has reduced the parking, has improved work efficiency.
2. The utility model discloses a cleaning blade is the arc setting, has increased cleaning blade and filtration membrane's area of contact, has improved cleaning blade to filtration membrane's clean efficiency.
3. The utility model discloses at clean blade's tip installation balancing weight, increased clean blade's inertia, when center tube stall or speed reduction rotate, clean blade has bigger inertia to continue the rotation, has further strengthened the clean effect to filtration membrane.
4. The utility model discloses treat filterable liquid and get into in the spray pipe from the inlet to spray and go out from the cloth orifice, can make and treat filterable liquid and more add even spraying on filtering membrane group, play certain washing away effect to filtering membrane group, play the additional action to filtering membrane's washing.
Drawings
FIG. 1 is a schematic structural diagram of an automatic rotary filter membrane cleaning device according to embodiment 1 of the present invention;
Fig. 2 is a schematic partial structure diagram of a filtration membrane module according to embodiment 1 of the present invention;
Fig. 3 is a schematic structural view of a cleaning assembly according to embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a cleaning assembly according to embodiment 2 of the present invention;
Fig. 5 is a schematic structural view of a cleaning assembly according to embodiment 3 of the present invention.
reference numerals:
1. A membrane shell; 2. a central tube; 3. a bearing; 4. a drive motor; 5. filtering the membrane group; 6. a sealing plate; 7. a seal member; 8. a liquid spraying port; 9. a liquid inlet; 10. a spray tube; 11. a distributing hole; 12. a concentrate discharge port; 13. a clear water outlet; 14. a filtration membrane; 15. a drive plate; 16. a ratchet wheel; 17. cleaning the blades; 18. broken filaments; 19. a balancing weight; 20. a pawl.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-3, a rotary automatic cleaning device for a filtration membrane comprises a membrane shell 1 and a central tube 2, wherein the central tube 2 transversely penetrates through the membrane shell 1, and the left and right ends of the central tube 2 are rotatably connected with the left and right end faces of the membrane shell 1 through bearings 3; the right end of the central tube 2 is connected with the output end of a driving motor 4 arranged outside the membrane shell 1; the left end of the central tube 2 is fixedly provided with a filtering membrane group 5, the interior of the membrane shell 1 is divided into a water filtering chamber cavity and a clear water chamber cavity by a sealing plate 6, the water filtering chamber cavity and the clear water chamber cavity are both arranged in a closed manner, and the filtering membrane group 5 is positioned in the water filtering chamber cavity; sealing elements 7 are arranged at the joints of the central tube 2 and the left and right end surfaces of the membrane shell 1 and the joints of the central tube 2 and the sealing plate 6; a plurality of through holes are formed in the central tube 2 at positions corresponding to the filter membrane group 5, and a plurality of liquid spraying ports 8 are formed in the part of the central tube 2, which is positioned in the cavity of the clean water chamber; a liquid inlet 9 is arranged at the top of the water filtering chamber cavity, a spraying pipe 10 communicated with the liquid inlet 9 is arranged at the top of the water filtering chamber cavity, and a plurality of distributing holes 11 are uniformly distributed at the bottom of the spraying pipe 10; the bottom of the water filtering chamber cavity is provided with a concentrated solution discharge port 12; the bottom of the clean water chamber cavity is provided with a clean water outlet 13.
the filtering membrane group 5 comprises a plurality of filtering membrane discs, each filtering membrane disc comprises two filtering membranes 14 arranged at intervals, the outer edges of the two filtering membranes 14 are hermetically connected through an adhesive, and the through holes are positioned between the two filtering membranes 14 of each filtering membrane disc; a group of cleaning assemblies are arranged between every two adjacent filtering membrane discs and comprise a driving disc 15 and a ratchet wheel 16, the driving disc 15 is fixedly installed on the central pipe 2, the ratchet wheel 16 is the ratchet wheel 16 with ratchets on the inner edge, four cleaning blades 17 are evenly installed on the outer edge of the ratchet wheel 16 along the circumferential direction, the surfaces of the two sides of each cleaning blade 17 are covered with broken filaments 18, a pawl 20 matched with the ratchet wheel 16 is arranged on the driving disc 15, and when the central pipe 2 rotates, the pawl 20 is in matched transmission with the ratchet wheel 16.
The working principle is as follows: liquid to be filtered enters the spraying pipe 10 from the liquid inlet 9 and is sprayed out from the flow distribution holes 11, the liquid to be filtered can be uniformly sprayed on the filtering membrane group 5, a primary washing effect is achieved on the filtering membrane group 5, an auxiliary effect is achieved on cleaning of the filtering membrane 14, the driving motor 4 is started, the filtering membrane group 5 on the central pipe 2 is driven to rotate, filtering of the liquid to be filtered is enhanced, the liquid to be filtered is filtered by the filtering membrane 14 on the filtering membrane group 5, the outer side face of the filtering membrane 14 is a working face, filtered clear liquid enters the central pipe 2 through the through holes and flows into the clear water chamber from the liquid spraying port 8, and is finally discharged from the clear water liquid outlet 13, filtered concentrated liquid is blocked outside the filtering membrane 14 and is finally discharged from the concentrated liquid discharge port 12. In the filtering process, the driving motor 4 keeps rotating at a constant speed, the pawl 20 is in transmission fit with the ratchet wheel 16, the cleaning blade 17 and the filtering membrane disc synchronously rotate, the cleaning blade 17 does not clean the filtering membrane 14 at the moment, when the filtering process is finished, the driving motor 4 stops working, the central tube 2 and the filtering membrane disc stop working, no transmission exists between the pawl 20 and the ratchet wheel 16 at the moment, the ratchet wheel 16 drives the cleaning blade 17 to continuously rotate under the inertia effect, and the hair 18 on the working surfaces at the two sides of the cleaning blade 17 respectively cleans the filtering membranes 14 at the two sides. Or in the filtering process, the driving motor 4 is decelerated at intervals, when the driving motor 4 is decelerated, the rotating speed of the central tube 2 and the filtering membrane disc is reduced, the cleaning blade 17 rotates relative to the filtering membrane disc under the action of inertia (at the moment, transmission between the pawl 20 and the ratchet wheel 16 is lost), and the cleaning of the filtering membrane 14 is completed. The utility model discloses can accomplish the washing to filtration membrane 14 automatically, the cleaning efficiency is high, and the cleaning performance is good, need not to drop into the cost of labor, has reduced the parking, has improved work efficiency.
Example 2
as shown in fig. 4, in this embodiment, based on embodiment 1, the cleaning blade 17 is arranged in an arc shape, so that the contact area between the cleaning blade 17 and the filtering membrane 14 is increased, and the cleaning efficiency of the cleaning blade 17 on the filtering membrane 14 is improved.
Example 3
As shown in FIG. 5, in this embodiment, on the basis of embodiment 2, a weight block 19 is installed at one end of the cleaning blade 17 away from the ratchet wheel 16, so as to increase the inertia of the cleaning blade 17, and when the central tube 2 stops rotating or rotates at a reduced speed, the cleaning blade 17 has a larger inertia to continue rotating, thereby further enhancing the cleaning effect on the filtering membrane 14.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (5)
1. The automatic cleaning device for the rotary filtering membrane is characterized by comprising a membrane shell and a central tube, wherein the central tube transversely penetrates through the membrane shell, and two ends of the central tube are respectively rotatably connected with two end surfaces of the membrane shell; one end of the central tube is connected with the output end of a driving motor arranged outside the membrane shell; the central tube is fixedly provided with a filtering membrane group, the interior of the membrane shell is divided into a water filtering chamber cavity and a clear water chamber cavity through a sealing plate, the water filtering chamber cavity and the clear water chamber cavity are both arranged in a closed mode, and the filtering membrane group is located in the water filtering chamber cavity; the part of the central tube positioned in the cavity of the water filtering chamber is provided with a plurality of through holes, and the part of the central tube positioned in the cavity of the clear water chamber is provided with a plurality of liquid spraying ports; a liquid inlet is formed in the top of the water filtering chamber cavity; the bottom of the water filtering chamber cavity is provided with a concentrated solution discharge port; a clear water outlet is formed at the bottom of the clear water chamber cavity;
The filtering membrane group comprises a plurality of filtering membrane discs, each filtering membrane disc comprises two filtering membranes arranged at intervals, the outer edges of the two filtering membranes are connected in a sealing manner, and the through holes are positioned between the two filtering membranes of each filtering membrane disc; be equipped with a set of clean subassembly between two adjacent filter membrane dishes, clean subassembly includes driving disc and ratchet, driving disc fixed mounting be in on the center tube, the ratchet has the ratchet of ratchet for the inner edge, a plurality of clean blade are evenly installed along circumference to the outer fringe of ratchet, the both sides surface of clean blade all covers there is the broken filament, be equipped with on the driving disc with ratchet complex pawl, work as when the center tube rotates, the pawl with ratchet cooperation transmission.
2. The automatic rotary filter membrane cleaning device according to claim 1, wherein said cleaning blades are arc-shaped.
3. The automatic cleaning device for the rotary filtering membrane according to claim 1 or 2, wherein a weight block is installed at one end of the cleaning blade far away from the ratchet wheel.
4. the automatic cleaning device for the rotary filtering membrane according to claim 1, wherein a spraying pipe communicated with the liquid inlet is installed at the top of the water filtering chamber, and a plurality of distributing holes are uniformly distributed at the bottom of the spraying pipe.
5. the automatic cleaning device for the rotary filtering membrane according to claim 1, wherein sealing elements are arranged at the joints of the central tube and the two end surfaces of the membrane shell and the joints of the central tube and the sealing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920307989.9U CN209771851U (en) | 2019-03-12 | 2019-03-12 | Rotation type filtration membrane self-cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920307989.9U CN209771851U (en) | 2019-03-12 | 2019-03-12 | Rotation type filtration membrane self-cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209771851U true CN209771851U (en) | 2019-12-13 |
Family
ID=68797427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920307989.9U Expired - Fee Related CN209771851U (en) | 2019-03-12 | 2019-03-12 | Rotation type filtration membrane self-cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209771851U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359353A (en) * | 2020-03-21 | 2020-07-03 | 临泉县浪鲨克工贸有限公司 | Weaving is with weaving dirt collection device |
| CN112832885A (en) * | 2021-01-12 | 2021-05-25 | 合肥恒信动力科技股份有限公司 | Disc type centrifugal separation device for purifying gas in crankcase of internal combustion engine |
| CN114042503A (en) * | 2021-10-19 | 2022-02-15 | 杭州登元科技有限公司 | Separation device for improving output of rare earth motor of coal mill |
| CN114259775A (en) * | 2021-12-10 | 2022-04-01 | 浙江鸿尔节能环保科技有限公司 | Filter piece belt cleaning device |
-
2019
- 2019-03-12 CN CN201920307989.9U patent/CN209771851U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359353A (en) * | 2020-03-21 | 2020-07-03 | 临泉县浪鲨克工贸有限公司 | Weaving is with weaving dirt collection device |
| CN112832885A (en) * | 2021-01-12 | 2021-05-25 | 合肥恒信动力科技股份有限公司 | Disc type centrifugal separation device for purifying gas in crankcase of internal combustion engine |
| CN114042503A (en) * | 2021-10-19 | 2022-02-15 | 杭州登元科技有限公司 | Separation device for improving output of rare earth motor of coal mill |
| CN114259775A (en) * | 2021-12-10 | 2022-04-01 | 浙江鸿尔节能环保科技有限公司 | Filter piece belt cleaning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |