CN114984646B - Sewage circulating and filtering device and treatment process - Google Patents
Sewage circulating and filtering device and treatment process Download PDFInfo
- Publication number
- CN114984646B CN114984646B CN202210701162.2A CN202210701162A CN114984646B CN 114984646 B CN114984646 B CN 114984646B CN 202210701162 A CN202210701162 A CN 202210701162A CN 114984646 B CN114984646 B CN 114984646B
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- guide wall
- assembled
- flow
- cavity
- rotating
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- 239000010865 sewage Substances 0.000 title claims abstract description 28
- 238000001914 filtration Methods 0.000 title claims description 21
- 238000000034 method Methods 0.000 title abstract description 21
- 230000008569 process Effects 0.000 title abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000003860 storage Methods 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 10
- 239000002351 wastewater Substances 0.000 claims 1
- 239000012535 impurity Substances 0.000 description 22
- 230000009471 action Effects 0.000 description 5
- 239000013049 sediment Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000004571 lime 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
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/48—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
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/802—Device for changing the inclination of the filtering element
Abstract
The invention discloses a sewage circulating filter device and a sewage treatment process, and belongs to the technical field of sewage treatment.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a sewage circulating and filtering device and a sewage treatment process.
Background
The urban sewage treatment history can be traced to the ancient Roman period, the self-cleaning capacity of the water body in that period can meet the water demand of human beings, and then along with the acceleration of the urban process, the human beings begin to treat the discharged domestic sewage. Early treatment methods adopt lime, alum and the like for precipitation or bleaching powder for disinfection, and modern treatment methods comprise various methods of physicochemical treatment and biological treatment.
When carrying out filtering operation to sewage, because contain partial precipitate and all kinds of impurity in the water, the filter screen very easily takes place to block up after long-time operation, needs artifical clean or change, has not only influenced filterable efficiency but also increased the cost of production.
Disclosure of Invention
Aiming at the defects existing in the prior art, the embodiment of the invention aims to provide a sewage circulating and filtering device and a treatment process so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a sewage circulation filter equipment and treatment process, includes the cavity subassembly, the cavity subassembly includes upper die cavity, lower die cavity, inlet, drainage mouth, magnetic body, central siphon and through-hole groove, upper die cavity and lower die cavity both ends communicate respectively and have inlet and drainage mouth, central siphon has still been laid at upper die cavity and lower die cavity middle part, the through-hole groove has been seted up to central siphon one end, and the through-hole groove is located central siphon upper end, the magnetic body is fixed to be laid in the lower die cavity;
the filtering mechanism comprises a rotating shell, a flow storage cavity, a flow guide wall and a rotating base, wherein the rotating shell is rotationally sleeved on the middle shaft tube, one end, close to a flow inlet, of the rotating shell is connected with the flow storage cavity, a plurality of slotted holes are formed in one end of the flow storage cavity, the bottom of the flow storage cavity is fixedly connected with the flow guide wall, the rotating base is assembled at the bottom of the flow guide wall, and a filter screen is fixedly assembled between the rotating base and the rotating shell;
the door plate assembly comprises a movable door plate and a communication notch, wherein the movable door plate is arranged between the rotary shell and the guide wall and is rotationally assembled on one side of the rotary shell, and the communication notch is formed in one end of the rotary shell and is close to one end of the through hole groove;
the scraper assembly comprises a guide rod, a sliding part, a magnetic part and a scraper, wherein the guide rod is fixedly arranged at one end of the guide wall and is parallel to the guide wall, the sliding part is slidably assembled on the guide rod, the magnetic part is fixedly assembled on the sliding part, the scraper is elastically assembled at one end of the sliding part, and the scraper is arranged close to one end of the guide wall; and
the valve plate assembly is movably assembled in the guide wall and used for limiting the water flow directions at two sides of the guide wall.
As a further scheme of the invention, the cavity assembly further comprises a rack, wherein the rack is fixedly assembled at the bottom of the upper cavity and is arranged towards one side of the rotary shell.
As a further scheme of the invention, the magnetic body is arranged in the middle of the lower cavity and is positioned in the same vertical direction with the middle shaft pipe.
As a further scheme of the invention, the filter mechanism further comprises a connecting arm, a rotating shaft and an abutting wheel, wherein the connecting arm is fixedly assembled at one end of the rotating shell, the abutting wheel is rotatably assembled on the connecting arm through the rotating shaft, and the abutting wheel is arranged towards one side of the toothed rail and is meshed with the toothed rail.
As a further scheme of the invention, the rotary base is in clearance fit with the lower cavity.
As a further scheme of the invention, the filter mechanism further comprises valve grooves and limiting grooves, wherein a plurality of valve grooves are arranged on the guide wall in an array manner, and one end of each valve groove is provided with the limiting groove.
As a further scheme of the invention, the valve plate assembly comprises a rotating shaft pin and a valve plate, wherein the rotating shaft pin is rotatably assembled in the valve groove, one end of the rotating shaft pin is provided with the valve plate, and the valve plate is limited and buckled on the limiting groove.
In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:
according to the invention, through rotating the rotating shell arranged between the upper cavity and the lower cavity, impurities can be filtered by utilizing the filter screen on the rotating shell in the rotating process, and the impurities on the filter screen are removed by utilizing the thrust action of water flow in the reverse rotation, so that the impurities are effectively prevented from blocking the filtering unit, a self-cleaning structure is formed, and the circulating filtration of sewage is realized.
Drawings
Fig. 1 is a schematic structural diagram of a sewage circulating filter device according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a clockwise rotation principle of a sewage circulation filtering device according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a counter-clockwise rotation principle of the sewage circulation filter device according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a schematic symbol a in the sewage circulation filtering device provided in an embodiment of the present invention.
Fig. 5 is a schematic perspective view of a valve plate assembly in a sewage circulation filter device according to an embodiment of the present invention.
Reference numerals: 1-cavity assembly, 101-upper cavity, 102-lower cavity, 103-inlet, 104-outlet, 105-rack, 106-magnetic body, 107-middle shaft tube, 108-through hole slot, 2-filter mechanism, 201-rotating shell, 202-connecting arm, 203-rotating shaft, 204-abutting wheel, 205-storage cavity, 206-slot, 207-guide wall, 208-rotating base, 209-valve slot, 210-limit slot, 3-door plate assembly, 301-movable door plate, 302-communication slot, 4-scraper assembly, 401-guide rod, 402-slider, 403-magnetic piece, 404-scraper, 5-filter screen, 6-valve plate assembly, 601-rotating shaft pin, 602-valve plate.
Detailed Description
In order to more clearly illustrate the structural features and efficacy of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1-5, the sewage circulating filter device and the treatment process in an embodiment of the invention include a cavity assembly 1, wherein the cavity assembly 1 includes an upper cavity 101, a lower cavity 102, a flow inlet 103, a flow outlet 104, a magnetic body 106, a middle shaft pipe 107 and a through hole groove 108, two ends of the upper cavity 101 and the lower cavity 102 are respectively communicated with the flow inlet 103 and the flow outlet 104, middle shaft pipes 107 are further arranged in the middle of the upper cavity 101 and the lower cavity 102, one end of the middle shaft pipe 107 is provided with a through hole groove 108, the through hole groove 108 is positioned at the upper end of the middle shaft pipe 107, the magnetic body 106 is fixedly arranged in the lower cavity 102, and the magnetic body 106 is arranged in the middle of the lower cavity 102 and is positioned in the same vertical direction with the middle shaft pipe 107; the filtering mechanism 2 comprises a rotating shell 201, a flow storage cavity 205, a flow guide wall 207 and a rotating base 208, wherein the rotating shell 201 is rotationally sleeved on the middle shaft tube 107, one end, close to the inlet 103, of the rotating shell 201 is connected with the flow storage cavity 205, a plurality of slotted holes 206 are formed in one end of the flow storage cavity 205, the bottom of the flow storage cavity 205 is fixedly connected with the flow guide wall 207, the rotating base 208 is assembled at the bottom of the flow guide wall 207, and a filter screen 5 is fixedly assembled between the rotating base 208 and the rotating shell 201; the door plate assembly 3, wherein the door plate assembly 3 comprises a movable door plate 301 and a communication notch 302, the movable door plate 301 is arranged between the rotary shell 201 and the guide wall 207 and is rotationally assembled on one side of the rotary shell 201, and the communication notch 302 is formed at one end of the rotary shell 201 and is arranged close to one end of the through hole groove 108; the scraper assembly 4, the scraper assembly 4 comprises a guide rod 401, a sliding piece 402, a magnetic piece 403 and a scraper 404, the guide rod 401 is fixedly arranged at one end of the guide wall 207 and is parallel to the guide wall 207, the sliding piece 402 is slidably assembled on the guide rod 401, the magnetic piece 403 is fixedly assembled on the sliding piece 402, the scraper 404 is elastically assembled at one end of the sliding piece 402, and the scraper 404 is arranged near one end of the guide wall 207; and a valve plate assembly 6, wherein the valve plate assembly 6 is movably assembled in the guide wall 207 and is used for limiting the water flow direction at two sides of the guide wall 207.
In practical application, when the sewage is filtered by the device, firstly, the sewage to be filtered is input between the upper cavity 101 and the lower cavity 102 through one end of the inlet 103, and at the moment, the rotating shell 201 can reciprocate around the middle shaft tube 107 under the drive of the external motor, during the rotation of the rotating shell 201 around the middle shaft tube 107, when the rotating shell 201 rotates anticlockwise towards one side of the inlet 103, the water flows towards one side of the lower cavity 102 through a plurality of valve plate assemblies 6 which pass through the surface of the guide wall 207 on one side of the inlet 103, and during the rotation, impurities in the water flow are trapped by the filter screen 5 assembled at one end of the rotating shell 201, and are always pressed on the filter screen 5 under the action of water pressure during anticlockwise rotation, and when the rotating shell 201 rotates to a limit position, the reverse rotation is started, the impurities pressed on the surface of the filter screen 5 by water force at this time are separated from one side of the filter screen 5, and at the same time, the valve plate assembly 6 on the guide wall 207 is turned to a closed state when moving reversely in the water flow, so that the water flow passes through the filter screen 5 and flows towards one side of the movable door plate 301 in the clockwise rotation process of the rotary shell 201, and the movable door plate 301 is pushed open and flows out through the plurality of slots 206 arranged on the flow storage cavity 205, in the process, the impurities between the filter screen 5 and the guide wall 207 move along one end of the inclined guide wall 207 under the action of the water flow due to the closed state of the valve plate assembly 6, and in the process of moving towards one side of the magnetic body 106 of the sliding piece 402 slidingly assembled on the guide rod 401, attraction is generated between the magnetic piece 403 assembled on the sliding piece 402 and the magnetic body 106, so that the rotary shell 201 rotates clockwise, the magnetic member 403 pushes the sliding member 402 to slide on the guide rod 401 in a directional manner, and during the sliding process, the scraper 404 assembled on one side of the sliding member 402 is utilized to push the impurity near one end of the guide wall 207 towards one side of the movable door plate 301, and when the rotating housing 201 rotates to the limit position, the sliding member 402 can push the impurity into the flow storage cavity 205, and at the moment, the movable door plate 301 is in an open state, when the rotating housing 201 rotates reversely and anticlockwise again, the movable door plate 301 is restored to one end of the guide wall 207 under the pushing force of the spring, and the impurity in the flow storage cavity 205 is trapped in the flow storage cavity 205, and during the continuous rotation of the rotating housing 201, when the movable door plate 301 rotates towards the vertical angle through the horizontal angle, the impurity in the flow storage cavity 205 can be discharged to the outside of the device through the middle shaft tube 107 after the communicating notch 302 is slid into the communicating notch 302 and simultaneously passes through the through hole groove 108 on one side of the middle shaft tube 107, thereby realizing filtering out the impurity in the process of continuous reciprocating rotation, and simultaneously realizing the filtering out of the impurity, and simultaneously, through the forward and backward flow of the filter tube 5 can be prevented, and the forward and backward flow of the filter unit can be prevented, and the filter efficiency can be reduced, and the filter screen can be realized.
In one case of this embodiment, the external motor may be a stepper motor or a servo motor, which drives the rotation housing 201 to rotate through a gear or a pulley, which is not limited herein.
In one case of this embodiment, the filter stored in the bottom bracket tube 107 may be removed by pneumatic or hydraulic transmission, and the specific structure is not limited herein.
Referring to fig. 1, in a preferred embodiment of the present invention, the cavity assembly 1 further includes a rack 105, and the rack 105 is fixedly mounted on the bottom of the upper cavity 101 and disposed towards one side of the rotating housing 201; the filter mechanism 2 further comprises a connecting arm 202, a rotating shaft 203 and an abutting wheel 204, wherein the connecting arm 202 is fixedly assembled at one end of the rotating housing 201, the abutting wheel 204 is rotatably assembled on the connecting arm through the rotating shaft 203, and the abutting wheel 204 is arranged towards one side of the toothed rail 105 and is meshed with the toothed rail 105.
In practical application, the bottom of the upper cavity 101 is provided with the toothed rail 105, one end of the rotating housing 201 is provided with the connecting arm 202, and when the rotating housing 201 reciprocally rotates around the central shaft tube 107, the abutting wheel 204 is engaged with the toothed rail 105 to rotate, so that on one hand, vibration of the rotating housing 201 in the reciprocal rotation process can be reduced, on the other hand, the rotation track can be stabilized, and the stability of the structure can be improved.
Referring to fig. 1 and 4, in a preferred embodiment of the present invention, the swivel base 208 is in a clearance fit with the lower cavity 102.
In practical application, the clearance fit between the rotating base 208 and the cavity wall surface of the lower cavity 102 can prevent impurities or sediments in the water flow at one side of the inlet 103 from flowing to one side of the drain 104 through the clearance between the rotating base 208 and the lower cavity 102, so as to improve the filtering effect of the device.
Referring to fig. 1 and 5, in a preferred embodiment of the present invention, the filtering mechanism 2 further includes a valve groove 209 and a limiting groove 210, wherein a plurality of valve grooves 209 are arranged on the guide wall 207 in an array, and one end of each valve groove 209 is provided with the limiting groove 210; the valve plate assembly 6 comprises a rotating shaft pin 601 and a valve plate 602, the rotating shaft pin 601 is rotatably assembled in the valve groove 209, one end of the rotating shaft pin 601 is provided with the valve plate 602, and the valve plate 602 is locked on the limit groove 210 in a limiting manner.
In practical application, when water flows from the side of the drainage port 104 to the side of the inlet port 103, the valve plate 602 is pressed against the side of the limiting groove 210 under the pressure of the water flow, so that the water flow at both ends of the guide wall 207 is blocked, at this time, the water flow flowing into the side of the filter screen 5 flows towards the movable door plate 301 during the rotation of the rotating housing 201, when the rotating housing 201 rotates anticlockwise, the water flow flows towards the drainage port 104 via the side of the inlet port 103, the valve plate 602 can be pushed to rotate the rotating shaft pin 601 in a fixed shaft manner, and the valve plate 602 deflects towards the side of the filter screen 5, so that impurities and sediments at the side of the inlet port 103 can enter between the guide wall 207 and the filter screen 5 through the valve groove 209, and the opening and closing states of the valve plate assembly 6 can be repeatedly switched during the clockwise rotation.
The invention relates to a sewage treatment process, which comprises the following steps:
s1: the water body to be filtered is input between the upper cavity 101 and the lower cavity 102, and impurities and sediments in the water body are filtered by utilizing the filter screen 5 at one side of the water body through the reciprocating rotation of the rotary shell 201;
s2: by the reciprocating motion of the rotary shell 201 in the water body, impurities and sediments blocked on the filter screen 5 are pushed away from the filter screen 5 by the thrust action of the water flow;
s3: impurities and sediments are trapped on one side of the filter screen 5 through the guide wall 207 arranged on one side of the filter screen 5, and the impurities are pushed into the flow storage cavity 205 to be discharged through the scraper assembly 4 arranged on one end of the rotary shell 201, so that the effect of circularly discharging the filtered matters is realized.
The embodiment of the invention provides a sewage circulating and filtering device and a treatment process, and the rotating shell 201 arranged between the upper cavity 101 and the lower cavity 102 is rotated, so that impurities can be filtered by utilizing the filter screen 5 on the rotating shell in the rotating process, and the impurities on the filter screen 5 are removed by utilizing the thrust action of water flow in the reverse rotation, thereby effectively preventing the impurities from blocking a filtering unit, forming a self-cleaning structure and realizing circulating filtration of sewage.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (3)
1. A sewage circulation filtering device, characterized in that the sewage circulation filtering device comprises:
the cavity assembly comprises an upper cavity, a lower cavity, a flow inlet, a flow outlet, a magnetic body, a middle shaft tube and a through hole groove, wherein the flow inlet and the flow outlet are respectively communicated with the two ends of the upper cavity and the lower cavity, the middle shaft tube is further arranged in the middle of the upper cavity and the lower cavity, the through hole groove is formed in one end of the middle shaft tube, the through hole groove is positioned at the upper end of the middle shaft tube, and the magnetic body is fixedly arranged in the lower cavity;
the filtering mechanism comprises a rotating shell, a flow storage cavity, a flow guide wall and a rotating base, wherein the rotating shell is rotationally sleeved on the middle shaft tube, one end, close to a flow inlet, of the rotating shell is connected with the flow storage cavity, a plurality of slotted holes are formed in one end of the flow storage cavity, the bottom of the flow storage cavity is fixedly connected with the flow guide wall, the rotating base is assembled at the bottom of the flow guide wall, and a filter screen is fixedly assembled between the rotating base and the rotating shell;
the door plate assembly comprises a movable door plate and a communication notch, wherein the movable door plate is arranged between the rotary shell and the guide wall and is rotationally assembled on one side of the rotary shell, and the communication notch is formed in one end of the rotary shell and is close to one end of the through hole groove;
the scraper assembly comprises a guide rod, a sliding part, a magnetic part and a scraper, wherein the guide rod is fixedly arranged at one end of the guide wall and is parallel to the guide wall, the sliding part is slidably assembled on the guide rod, the magnetic part is fixedly assembled on the sliding part, the scraper is elastically assembled at one end of the sliding part, and the scraper is arranged close to one end of the guide wall; and
the valve plate assembly is movably assembled in the guide wall and used for limiting the water flow directions at two sides of the guide wall;
the magnetic body is arranged in the middle of the lower cavity and is positioned in the same vertical direction with the middle shaft pipe;
the filter mechanism further comprises valve grooves and limiting grooves, a plurality of valve grooves are arranged on the guide wall in an array mode, and one end of each valve groove is provided with a limiting groove;
the valve plate assembly comprises a rotating shaft pin and a valve plate, the rotating shaft pin is rotationally assembled in the valve groove, one end of the rotating shaft pin is provided with the valve plate, and the valve plate is limited and buckled on the limiting groove.
2. The wastewater circulating filter apparatus of claim 1, wherein the housing assembly further comprises a rack fixedly mounted to the bottom of the upper cavity and disposed toward the side of the rotary housing.
3. The sewage circulating filter device according to claim 1, wherein the filter mechanism further comprises a connecting arm, a rotating shaft and an abutting wheel, the connecting arm is fixedly assembled at one end of the rotating shell and is rotatably assembled with the abutting wheel through the rotating shaft, and the abutting wheel is arranged towards one side of the toothed rail and is meshed with the toothed rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210701162.2A CN114984646B (en) | 2022-06-20 | 2022-06-20 | Sewage circulating and filtering device and treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210701162.2A CN114984646B (en) | 2022-06-20 | 2022-06-20 | Sewage circulating and filtering device and treatment process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114984646A CN114984646A (en) | 2022-09-02 |
| CN114984646B true CN114984646B (en) | 2023-12-22 |
Family
ID=83036943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210701162.2A Active CN114984646B (en) | 2022-06-20 | 2022-06-20 | Sewage circulating and filtering device and treatment process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114984646B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3193105A (en) * | 1961-02-06 | 1965-07-06 | Improved Machinery Inc | Continuous disc filter |
| CN207130046U (en) * | 2017-08-07 | 2018-03-23 | 江西挺进环保科技有限公司 | A kind of split type sewage-treatment plant |
| CN210847632U (en) * | 2019-11-04 | 2020-06-26 | 江苏乐莉琪生物环保科技有限公司 | Kitchen garbage sewage separation processing apparatus |
| CN112107913A (en) * | 2020-08-31 | 2020-12-22 | 泉州市良创信息科技有限公司 | Sewage filter screen structure with self-cleaning device |
| CN113069805A (en) * | 2021-03-31 | 2021-07-06 | 河北机电职业技术学院 | Non-uniform-speed swing type anti-blocking automatic sewage impurity filtering device |
| CN214680281U (en) * | 2021-01-12 | 2021-11-12 | 内蒙古农业大学 | Sewage treatment device for living environment |
| CN114259785A (en) * | 2022-01-15 | 2022-04-01 | 深圳市奥天王贸易有限公司 | Beautiful line paper sewage solid-liquid separation treatment facility |
-
2022
- 2022-06-20 CN CN202210701162.2A patent/CN114984646B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3193105A (en) * | 1961-02-06 | 1965-07-06 | Improved Machinery Inc | Continuous disc filter |
| CN207130046U (en) * | 2017-08-07 | 2018-03-23 | 江西挺进环保科技有限公司 | A kind of split type sewage-treatment plant |
| CN210847632U (en) * | 2019-11-04 | 2020-06-26 | 江苏乐莉琪生物环保科技有限公司 | Kitchen garbage sewage separation processing apparatus |
| CN112107913A (en) * | 2020-08-31 | 2020-12-22 | 泉州市良创信息科技有限公司 | Sewage filter screen structure with self-cleaning device |
| CN214680281U (en) * | 2021-01-12 | 2021-11-12 | 内蒙古农业大学 | Sewage treatment device for living environment |
| CN113069805A (en) * | 2021-03-31 | 2021-07-06 | 河北机电职业技术学院 | Non-uniform-speed swing type anti-blocking automatic sewage impurity filtering device |
| CN114259785A (en) * | 2022-01-15 | 2022-04-01 | 深圳市奥天王贸易有限公司 | Beautiful line paper sewage solid-liquid separation treatment facility |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114984646A (en) | 2022-09-02 |
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