CN111097228A - Sewage filters filter screen cleaning device - Google Patents
Sewage filters filter screen cleaning device Download PDFInfo
- Publication number
- CN111097228A CN111097228A CN202010029206.2A CN202010029206A CN111097228A CN 111097228 A CN111097228 A CN 111097228A CN 202010029206 A CN202010029206 A CN 202010029206A CN 111097228 A CN111097228 A CN 111097228A
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- CN
- China
- Prior art keywords
- filter screen
- water inlet
- filter
- water
- sewage
- 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.)
- Pending
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 47
- 238000004140 cleaning Methods 0.000 title claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 238000001914 filtration Methods 0.000 claims abstract description 71
- 238000004062 sedimentation Methods 0.000 claims abstract description 23
- 238000005086 pumping Methods 0.000 claims abstract description 11
- 238000003860 storage Methods 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 5
- 238000000108 ultra-filtration Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 5
- 238000011010 flushing procedure Methods 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 6
- 241000220317 Rosa Species 0.000 description 5
- 239000003651 drinking water Substances 0.000 description 4
- 235000020188 drinking water Nutrition 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- 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
-
- 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
- C02F2303/16—Regeneration of sorbents, filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a cleaning device for a sewage filtering filter screen, which is used for filtering sewage in multiple stages, flushing the filter screen while purifying the sewage through a water supply device, cleaning the filter screen, enabling impurities to stay at the bottom of a sedimentation tank through a primary filtering device, namely the sedimentation tank, pumping filtered water into a secondary filtering device, enabling the sewage to be dripped through the filtering of a rotary filter cylinder, preventing the impact on the filter screen II, cleaning the filter screen II in the filtering process through arranging a cleaning device in a tertiary filtering device, enabling clear water to enter the cleaning device to clean the filter screen II in the filtering process, flushing the impurities at any time, preventing the accumulation of the impurities, and driving a cleaning disc to clear the impurities on the filter screen by water flow to prevent the filter screen from being blocked.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a cleaning device for a sewage filtering screen.
Background
Sewage treatment refers to a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage, the pollution of both underground water and surface water is serious at present, according to the existing investigation, 70 percent of drinking underground water exists in the present city, but 90 percent of urban underground water in the whole country is polluted, the sewage treatment generally comprises domestic sewage treatment and production sewage treatment, and the production sewage comprises industrial sewage, agricultural sewage, medical sewage and the like; the domestic sewage is the sewage generated in daily life, and is a complex mixture of various forms of inorganic matters and organic matters, including floating and suspended solid particles with different sizes and colloidal and gelatinous diffusants; in the process of sewage treatment, sewage is treated by a multi-purpose grid, a sieve rate device, a sedimentation tank and the like, and the utility model with the application number of ZL201721310237.5 discloses a cleaning device for a water treatment membrane of a wastewater plant, wherein a cleaning component is arranged and consists of a brush head, a cross beam, a foot plate fixing part and a slide rail, and slide blocks are fixed at two ends of the slide rail; the slider slides and is embedded in a sliding groove on the side edge of the shell plate, the slider is connected with a transmission assembly, and the transmission assembly comprises a transmission chain, a chain wheel and a servo motor. The servo motor works to drive the transmission chain and the chain wheel to rotate, and the transmission chain between the second chain wheel and the third chain wheel and the slide block slide along the sliding groove on the side wall of the shell plate, so that the slide rail and the brush head slide to clean impurities on the water treatment membrane and avoid a large amount of dirt remaining on the membrane; the patent application with the application number of ZL201910780234.5 discloses a filter membrane device for cleaning sewage treatment through up-down vibration, wherein a vibration device is vibrated through a transmission device to drive a filter tank to vibrate up and down, so that clean water in the filter tank is driven to vibrate up and down to wash dirt on a filter plate, and the dirt is separated from the filter plate, so that the effect of cleaning the filter plate is achieved; it shakes to know the filter screen clearance among the prior art adopts comparatively complicated mechanical structure or whole messenger filter screen more, and no matter which kind of mode is all comparatively complicated, and can not carry out whole washing to the filter screen, and the screen cloth still exists impurity after clearing up the screen cloth promptly.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a cleaning device for a sewage filtering screen, which is used for screening sewage in multiple stages, washing the screen while purifying the sewage through a water supply device and cleaning the screen.
In order to achieve the purpose, the invention provides the following technical scheme:
a cleaning device for a sewage filtering screen comprises a primary filtering device, a secondary filtering device, a tertiary filtering device, a water inlet device and a cleaning device; the first-stage filtering device is arranged on one side, and the second-stage filtering device and the third-stage filtering device are arranged on the other side; the second-stage filtering device is arranged above the third-stage filtering device.
Further, one-level filter equipment is the sedimentation tank, and sewage spreads all over in the bottom of sedimentation tank, and the middle part of sedimentation tank is provided with filter screen I, and sewage is provided with the drinking-water pipe in the lower part of filter screen I, sedimentation tank outside, is provided with the drinking-water pipe clearing hole on the filter screen I, and the one end of drinking-water pipe stretches into in the sedimentation tank through the clearing hole, and the other end setting of drinking-water pipe is in second grade filter equipment's top.
Furthermore, the second-stage filtering device is a filtering screen cylinder, a water inlet is formed in the filtering screen cylinder, the outer circumference of the filtering screen cylinder is provided with filtering holes formed by grids, the filtering screen cylinder is hollow, a central shaft is arranged at the center of the filtering screen cylinder, and the central shaft extends out of the filtering screen cylinder and is connected with a motor outside the filtering screen cylinder.
Further, tertiary filter equipment is the rose box, and the bottom of rose box is provided with filter screen II, and cleaning device sets up in the rose box, and cleaning device includes a plurality of casees of intaking, rack guide, drive gear, bevel gear I, bevel gear II, axis of rotation, clearance dish, cylinder, telescopic link, fixed block.
Furthermore, the upper portion of the water inlet tank is a cuboid, the lower portion of the water inlet tank is a cone, the interior of the water inlet tank is a hollow shape, the upper portions of the water inlet tanks are connected in the rack guide rail in a sliding mode, racks are arranged on the upper portion of the guide rail, the racks are meshed with the driving gear, and the driving gear is driven by the driving device to rotate so as to drive the rack guide rail to move left and right.
Furthermore, a plurality of water outlets are formed in the side wall and the bottom wall of the water inlet tank, a water storage pipe is arranged on the upper portion of the outer side of the water inlet tank, the water storage pipe is connected with the water inlet tank through a water outlet hose, the water outlet hose extends into the water inlet tank through a hole in the side wall of the water inlet tank, and the water outlet hose is a telescopic hose.
Furthermore, the fixed block is arranged at the top of the water inlet tank, the fixed block is connected with the rotating shaft through a bearing, the rotating shaft penetrates through the water inlet tank from top to bottom and extends out of an outlet at the bottom of the water inlet tank, a bevel gear I is arranged on the rotating shaft and meshed with a bevel gear II, and the bevel gear II is arranged below a side wall hole of the water inlet tank.
Further, the cylinder still is provided with in the case of intaking, and cylinder and telescopic link are connected, and the other end and the fixed block of telescopic link are connected, and the setting of clearance dish is stretched out on the bottom of the case of intaking in the axis of rotation, and the clearance dish can rotate along with the axis of rotation together, and the clearance dish of a plurality of bottom of intaking case can cover the filtration pore on the filter screen II, and filter screen II is the milipore filter.
Compared with the prior art, the invention provides a cleaning device for a sewage filtering screen, which has the following beneficial effects:
the invention provides a cleaning device for a sewage filtering filter screen, which is used for filtering sewage in multiple stages, flushing the filter screen while purifying the sewage through a water supply device, cleaning the filter screen, enabling impurities to stay at the bottom of a sedimentation tank through a primary filtering device, namely the filtration of the sedimentation tank, pumping filtered water into a secondary filtering device, enabling the sewage to be dripped through the filtration of a rotary filter drum, preventing the impact on the filter screen II, cleaning the filter screen II in the filtration through arranging a cleaning device in a tertiary filtering device, enabling clear water to enter the cleaning device to clean the filter screen II in the filtration, flushing the impurities at any time, preventing the accumulation of the impurities, and driving a cleaning disc to clear the impurities on the filter screen by using water flow to prevent the blockage of the filter screen.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic structural diagram of the cleaning apparatus of the present invention.
FIG. 3 is a schematic view of the interior of the water inlet tank of the present invention.
In the figure: 1-a sedimentation tank, 2-a filter screen I, 3-a water pumping pipe, 4-a filter screen cylinder, 5-a central shaft, 6-a filter box, 7-a filter screen II, 8-a driving gear, 9-a rack, 10-a water inlet box, 11-a water storage pipe, 12-a water outlet hose, 13-a rotating shaft, 14-a bevel gear I, 15-a bevel gear II, 16-a cleaning disc and 17-a water outlet hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to FIGS. 1-3: a cleaning device for a sewage filtering screen comprises a primary filtering device, a secondary filtering device, a tertiary filtering device, a water inlet device and a cleaning device; the first-stage filtering device is arranged on one side, and the second-stage filtering device and the third-stage filtering device are arranged on the other side; the second-stage filtering device is arranged above the third-stage filtering device, the first-stage filtering device is a sedimentation tank 1, sewage is distributed at the bottom of the sedimentation tank 1, a filter screen I (2) is arranged in the middle of the sedimentation tank 1, the sewage is arranged at the lower part of the filter screen I (2), a water pumping pipe 3 is arranged outside the sedimentation tank, water pumping pipe 3 through holes are formed in the filter screen I (2), one end of the water pumping pipe 3 extends into the sedimentation tank 1 through the through holes, the other end of the water pumping pipe 3 is arranged above the second-stage filtering device, the second-stage filtering device is a filtering screen cylinder 4, a water inlet is formed in the filtering screen cylinder 4, the outer circumference of the filtering screen cylinder is a filtering hole formed by grids, the inner part of the filtering screen cylinder 4 is hollow, a central shaft 5 is arranged in the center, the central shaft 5 extends out of the filtering screen cylinder 4 to be connected with a motor outside the filtering screen cylinder, the cleaning device is arranged in the filter tank 6 and comprises a plurality of water inlet tanks 10, a rack guide rail 9, a driving gear 8, a bevel gear I (14), a bevel gear II (15), a rotating shaft 13, a cleaning disc 16, a cylinder (not shown), an expansion link and a fixed block, wherein the upper parts of the water inlet tanks 10 are cuboid, the lower parts of the water inlet tanks are cone-shaped, the interiors of the water inlet tanks 10 are hollow, the upper parts of the water inlet tanks 10 are slidably connected in the rack guide rail, the rack 9 is arranged at the upper part of the guide rail and meshed with the driving gear 8, the driving gear 8 is driven by a driving device to rotate so as to drive the rack guide rail to move left and right, a plurality of water outlet holes 17 are formed in the side walls and the bottom wall of each water inlet tank, water storage pipes 11 are arranged at the upper parts outside the water inlet tanks, the water storage pipes 11 are connected with the water, the water outlet hose 12 is a telescopic hose, a fixing block (not shown) is arranged at the top of the water inlet tank 10, the fixing block is connected with the rotating shaft 13 through a bearing, the rotating shaft 13 penetrates through the water inlet tank 10 from top to bottom and extends out of an outlet at the bottom of the water inlet tank 10, a bevel gear I (14) is arranged on the rotating shaft and meshed with a bevel gear II (15), the bevel gear II (15) is arranged below a side wall hole of the water inlet tank, an air cylinder (not shown) is further arranged in the water inlet tank 10 and connected with a telescopic rod, the other end of the telescopic rod is connected with the fixing block (not shown), a cleaning disc 16 is arranged on the bottom of the water inlet tank extending out of the rotating shaft 13, the cleaning disc 16 can rotate along with the rotating shaft 13, a plurality of cleaning discs at the bottom of the water inlet tank 10 can cover filter holes in a filter screen II (7), and the filter screen II (.
The working process of the invention is as follows: through the filtration of one-level filter equipment be the sedimentation tank, make impurity stop in the bottom of sedimentation tank, make through filterable water by suction second grade filter equipment, filter through rotating and strain a section of thick bamboo and make the sewage water drip ization, prevent the impact to filter screen II, sewage passes through behind the second grade filter equipment entering rose box, filter in the rose box, when filter screen II needs clearance, lead to the clear water through the outlet hose to the case of intaking through the aqua storage pipe, thereby the clear water drives the bevel gear and rotates and drive the axis of rotation and drive the clearance dish and rotate and clear up the filtration pore on filter screen II, and the axis of rotation can be adjusted the height under the effect of cylinder, the clear water is washed the impurity on filter screen II from the apopore outflow on the case of intaking simultaneously, and a plurality of cases of intaking can remove the position of control on filter screen II under the effect of rack and gear.
Claims (5)
1. A cleaning device for a sewage filtering screen comprises a primary filtering device, a secondary filtering device, a tertiary filtering device, a water inlet device and a cleaning device; the first-stage filtering device is arranged on one side, and the second-stage filtering device and the third-stage filtering device are arranged on the other side; the secondary filter device is arranged above the tertiary filter device, the primary filter device is a sedimentation tank, sewage is distributed at the bottom of the sedimentation tank, a filter screen I is arranged in the middle of the sedimentation tank, the sewage is arranged at the lower part of the filter screen I, a water pumping pipe is arranged outside the sedimentation tank, water pumping pipe through holes are formed in the filter screen I, one end of the water pumping pipe extends into the sedimentation tank through the through holes, the other end of the water pumping pipe is arranged above the secondary filter device, the secondary filter device is a filter screen cylinder, a water inlet is formed in the filter screen cylinder, the outer circumference of the filter screen cylinder is a filter hole formed by gratings, the inner part of the filter screen cylinder is hollow, a central shaft is arranged at the center, the central shaft extends out of the filter screen cylinder and is connected with a motor outside the filter screen cylinder, the tertiary filter device is a filter box, a filter screen II is arranged at the bottom of, Rack guide rail, drive gear, bevel gear I, bevel gear II, axis of rotation, clearance dish, cylinder, telescopic link, fixed block.
2. The sewage filtering screen cleaning device according to claim 1, characterized in that: the shape of the water inlet tank is that the upper part is a cuboid and the lower part is a cone, the inside of the water inlet tank is a hollow shape, the upper parts of the water inlet tanks are connected in the rack guide rail in a sliding manner, the upper parts of the guide rail are provided with racks, the racks are meshed with the driving gear, and the driving gear is driven by the driving device to rotate so as to drive the rack guide rail to move left and right.
3. The sewage filtering screen cleaning device according to claim 2, characterized in that: the lateral wall and the bottom wall of the water inlet tank are provided with a plurality of water outlet holes, the upper part of the outer side of the water inlet tank is provided with a water storage pipe, the water storage pipe is connected with the water inlet tank through a water outlet hose, the water outlet hose extends into the water inlet tank through a hole in the lateral wall of the water inlet tank, and the water outlet hose is a telescopic hose.
4. The sewage filtering screen cleaning device according to claim 3, characterized in that: the fixed block sets up the top in the case of intaking, and fixed block and axis of rotation pass through the bearing and connect, and the axis of rotation from the top down passes into the case and stretches out from the export of the case bottom of intaking, is provided with bevel gear I in the axis of rotation, and bevel gear I meshes with bevel gear II, and bevel gear II sets up the below at the case lateral wall hole of intaking.
5. The sewage filtering screen cleaning device according to claim 4, characterized in that: the water inlet tank is further internally provided with a cylinder, the cylinder is connected with a telescopic rod, the other end of the telescopic rod is connected with a fixed block, a cleaning disc is arranged on the bottom of the water inlet tank, which is extended out of the rotating shaft, and can rotate along with the rotating shaft, a plurality of water inlet tank bottom cleaning discs can cover filter holes on the filter screen II, and the filter screen II is an ultrafiltration membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010029206.2A CN111097228A (en) | 2020-01-13 | 2020-01-13 | Sewage filters filter screen cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010029206.2A CN111097228A (en) | 2020-01-13 | 2020-01-13 | Sewage filters filter screen cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111097228A true CN111097228A (en) | 2020-05-05 |
Family
ID=70426291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010029206.2A Pending CN111097228A (en) | 2020-01-13 | 2020-01-13 | Sewage filters filter screen cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111097228A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111617536A (en) * | 2020-06-12 | 2020-09-04 | 彭爱霞 | Quantitative slow release device for sewage purification |
| CN111809686A (en) * | 2020-07-16 | 2020-10-23 | 温州泰乐维工程设计有限公司 | Water storage device is used in sponge city construction |
| CN117964048A (en) * | 2024-02-27 | 2024-05-03 | 广东工业大学 | Membrane filtration device with self-cleaning function |
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| DE29801619U1 (en) * | 1998-01-31 | 1998-07-16 | Rutschke Wolfram | Candle filter with sedimentation and flotation |
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2020
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111617536A (en) * | 2020-06-12 | 2020-09-04 | 彭爱霞 | Quantitative slow release device for sewage purification |
| CN111617536B (en) * | 2020-06-12 | 2021-10-26 | 彭爱霞 | Quantitative slow release device for sewage purification |
| CN111809686A (en) * | 2020-07-16 | 2020-10-23 | 温州泰乐维工程设计有限公司 | Water storage device is used in sponge city construction |
| CN111809686B (en) * | 2020-07-16 | 2021-07-13 | 温州泰乐维工程设计有限公司 | Water storage device is used in sponge city construction |
| CN117964048A (en) * | 2024-02-27 | 2024-05-03 | 广东工业大学 | Membrane filtration device with self-cleaning function |
| CN117964048B (en) * | 2024-02-27 | 2024-07-23 | 广东工业大学 | Membrane filtration device with self-cleaning function |
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Application publication date: 20200505 |