CN114534353B - Rotary drum type micro-filter - Google Patents
Rotary drum type micro-filter Download PDFInfo
- Publication number
- CN114534353B CN114534353B CN202210103804.9A CN202210103804A CN114534353B CN 114534353 B CN114534353 B CN 114534353B CN 202210103804 A CN202210103804 A CN 202210103804A CN 114534353 B CN114534353 B CN 114534353B
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- Prior art keywords
- rotary drum
- water
- drum
- periphery
- slots
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 109
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 238000011010 flushing procedure Methods 0.000 claims abstract description 21
- 239000010865 sewage Substances 0.000 claims description 22
- 238000005192 partition Methods 0.000 claims description 19
- 239000007921 spray Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000009360 aquaculture Methods 0.000 abstract description 2
- 244000144974 aquaculture Species 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 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
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/067—Construction of the filtering drums, e.g. mounting or sealing arrangements
-
- 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
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/11—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
-
- 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
- B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention belongs to the technical field of aquaculture, and particularly discloses a rotary drum type micro-filter which comprises a water tank, a rotary drum driving mechanism and a back flushing mechanism, wherein the periphery of the rotary drum is composed of a plurality of annular supporting pieces which are equidistantly and alternately arranged along the axial direction of the rotary drum and a plurality of straight strip supporting pieces which are equidistantly and alternately arranged along the circumferential direction of the rotary drum, the periphery of the annular supporting pieces is equidistantly and alternately provided with a plurality of slots, the intersection point of the central lines of any two slots is the circle center of the annular supporting pieces, the thickness of the straight strip supporting pieces is matched with the width of the slots, and the width of the straight strip supporting pieces is matched with the depth of the slots. By adopting the invention, the contact area between the periphery of the rotary drum and the filter screen can be greatly reduced, the water flow of the rotary drum and the utilization rate of the filter screen are improved, and the contact part between the periphery of the rotary drum and the filter screen is reduced, so that the back flushing is convenient.
Description
Technical Field
The invention belongs to the technical field of aquaculture, and particularly relates to a rotary drum type micro-filter.
Background
The micro-filter is a common first-stage filtering device in a factory circulating water culture system, and can be used for filtering solid suspended and granular dirt with the particle size of more than 30 mu m such as residual baits, fish feces and the like in culture water by intercepting solid particles in culture water, so that the filter screen can be timely cleaned through the rotation of a rotary drum and the acting force of back flushing while filtering, and the device always keeps a good working state.
The existing micro-filter has the following problems in the use process:
(1) The outer Zhou Bishui holes of the existing rotary drum are generally formed by adopting a punching process, so that a wider interval area is reserved between the holes in order to ensure the supporting capacity of the peripheral wall of the rotary drum, the contact area between the periphery of the rotary drum and a filter screen is increased, the water flow rate of the rotary drum and the utilization rate of the filter screen are reduced, and dirt is easy to clamp at the contact part of the peripheral wall of the rotary drum and the filter screen, so that the dirt at the contact part is difficult to wash;
(2) When the rotary drum is used, the motor is adopted to drive the rotary drum paved with the filter screen to rotate, water is fed from one end of the rotary drum, sewage is discharged from the other end of the rotary drum, and two ends of the rotary drum are supported on a clean water collecting box, so that the structure needs to coaxially penetrate the water inlet pipe and the sewage discharge pipe in the rotary drum and does not rotate along with the rotation of the rotary drum, the structure process is complex, and the disassembly, the assembly and the maintenance are inconvenient; moreover, the water inlet pipe stretches into the water inlet mode of the rotary drum, the water inlet amount is limited by the pipe diameter of the pipeline, so that the sewage treatment capacity is reduced, and the problem of pipeline blockage is avoided.
Disclosure of Invention
The invention aims to solve the technical problem of providing a rotary drum type micro-filter which can improve the water throughput of a rotary drum and the utilization rate of a filter screen.
In order to achieve the above purpose, the invention provides a rotary drum type micro-filter, which comprises a water tank, a rotary drum driving mechanism and a back flushing mechanism, wherein the periphery of the rotary drum is composed of a plurality of annular supporting pieces which are equidistantly and alternately arranged along the axial direction of the rotary drum and a plurality of straight strip supporting pieces which are equidistantly and alternately arranged along the circumferential direction of the rotary drum, the periphery of the annular supporting pieces is equidistantly and alternately provided with a plurality of slots, the intersection point of the central lines of any two slots is the circle center of the annular supporting pieces, the thickness of the straight strip supporting pieces is matched with the width of the slots, and the width of the straight strip supporting pieces is matched with the depth of the slots.
As a preferable scheme of the invention, a vertical partition plate is arranged in the water tank, the vertical partition plate divides the cavity of the water tank into a water inlet cavity and a water purifying cavity, a water inlet is arranged on the water inlet cavity, a water passing port is arranged on the vertical partition plate, a water outlet is arranged in the water purifying cavity, a filter screen is coated on the periphery of the rotary drum, the rotary drum is in transmission connection with the rotary drum driving mechanism and is rotatably arranged in the water purifying cavity, and one end of the rotary drum is communicated with the water passing port.
As a preferable scheme of the invention, the rotary drum driving mechanism comprises a motor, a driving gear and a driven gear, wherein the motor is arranged in the water tank and is positioned above the vertical partition plate, the power output end of the motor is connected with the driving gear, the driven gear is fixed at the end part of the rotary drum and is coaxial with the rotation axis of the rotary drum, and the driving gear is meshed with the driven gear.
As a preferable scheme of the invention, the rotary drum micro-filter further comprises a rotary drum supporting mechanism for supporting the rotary drum to rotate, wherein the rotary drum supporting mechanism comprises a plurality of guide wheel groups, and the guide wheel groups are propped against the periphery of the end part of the rotary drum.
As a preferred embodiment of the present invention, at least one of the plurality of guide roller sets is abutted against the bottom of the drum, at least one of the plurality of guide roller sets is abutted against the side of the drum, and at least one of the plurality of guide roller sets is abutted against the other side of the drum.
As a preferred embodiment of the present invention, the drum support mechanism is located at one end of the drum near the vertical partition.
As a preferable scheme of the invention, the back flushing mechanism comprises a water pump, a spray pipe, a conveying pipe, a sewage collecting tank and a drain pipe, wherein the sewage collecting tank is arranged on the upper side of an inner cavity of the rotary drum and cannot rotate along with the rotation of the rotary drum, a notch of the sewage collecting tank faces upwards, the spray pipe is arranged on the upper side of the outer part of the rotary drum, a water spray opening of the spray pipe faces to the sewage collecting tank, one end of the drain pipe is communicated with the sewage collecting tank, the other end of the drain pipe extends to the outer part of the water tank through the water passing opening, the water pump is arranged at the bottom of the water purifying cavity, and the water pump is connected with the spray pipe through the conveying pipe.
As a preferable scheme of the invention, the rotary drum type micro-filter further comprises a controller, wherein the controller is respectively and electrically connected with the rotary drum driving mechanism and the back flushing mechanism.
As a preferable scheme of the invention, a liquid level sensor is arranged in the water inlet cavity and is electrically connected with the controller, and when the liquid level sensor detects that the liquid level of the water inlet cavity reaches a preset height, the controller starts the back flushing mechanism to back flush the filter screen.
As a preferred scheme of the invention, the controller is provided with a timing module for controlling the opening time of the back flushing mechanism.
Compared with the prior art, the rotary drum type micro-filter has the beneficial effects that: the contact part of the periphery of the rotary drum and the filter screen is the edge part of the circular support sheet and the straight support sheet, so that the contact area of the periphery of the rotary drum and the filter screen is greatly reduced, the water throughput of the rotary drum and the utilization rate of the filter screen are improved, dirt is reduced from being clamped at the contact part of the periphery of the rotary drum and the filter screen, and back flushing is facilitated; in addition, the supporting surface of the periphery of the rotary drum is formed by the edge parts of the annular supporting piece and the straight supporting piece together, so that the structure is firm and the rotary drum is not easy to deform.
Drawings
FIG. 1 is a schematic diagram of a rotary drum type micro-filter according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a rotary drum micro-filter provided by an embodiment of the present invention;
FIG. 3 is a schematic structural view of a drum;
FIG. 4 is a schematic view of the structure of the annular support plate;
The marks in the figure:
1. The water tank, 10, vertical partition plates, 11, a water inlet cavity, 12, a water purifying cavity, 13, a water inlet, 14 and a water passing port; 2. the rotary drum, 21, the annular supporting piece, 22, the straight supporting piece, 23 and the slot; 3. the rotary drum driving mechanism 31, the motor 32, the driving gear 33 and the driven gear; 4. a back flushing mechanism 41, a water pump 42, a spray pipe 43, a conveying pipe 44, a sewage collecting tank 45 and a sewage discharge pipe; 5. a drum support mechanism; 6. a liquid level sensor; 7. and (3) a filter screen.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 4, the rotary drum type micro-filter provided by the preferred embodiment of the invention comprises a water tank 1, a rotary drum 2, a rotary drum driving mechanism 3 and a back flushing mechanism 4, wherein the periphery of the rotary drum 2 is composed of a plurality of annular supporting plates 21 which are equidistantly and alternately arranged along the axial direction of the rotary drum 2 and a plurality of straight supporting plates 22 which are equidistantly and alternately arranged along the circumferential direction of the rotary drum 2, a plurality of slots 23 are formed in the periphery of the annular supporting plates 21 at equidistant intervals, the intersection point of the central lines of any two slots 23 is the center of the annular supporting plates 21, the thickness of the straight supporting plates 22 is matched with the groove width of the slots 23, and the width of the straight supporting plates 22 is matched with the groove depth of the slots 23. In this embodiment, the straight strip-shaped supporting piece 22 is welded and fixed with the slot 23. Therefore, the rotary drum micro-filter of the embodiment of the invention is characterized in that the periphery of the rotary drum 2 is formed by the annular supporting piece 21 and the straight supporting piece 22, the contact part of the periphery of the rotary drum 2 and the filter screen is the edge part of the annular supporting piece 21 and the straight supporting piece 22, the contact area of the periphery of the rotary drum 2 and the filter screen is greatly reduced, the water flow of the rotary drum 2 and the utilization rate of the filter screen are improved, dirt is also reduced from being clamped at the contact part of the periphery of the rotary drum 2 and the filter screen, and the back flushing is convenient; the support surface of the outer periphery of the drum 2 is formed by the edges of the annular support piece 21 and the straight support piece 22, and the structure is firm and is not easy to deform.
The water tank 1 is internally provided with a vertical partition board 10, the vertical partition board 10 separates the cavity of the water tank 1 into a water inlet cavity 11 and a water purifying cavity 12, the water inlet cavity 11 is provided with a water inlet 13, the vertical partition board 10 is provided with a water passing port 14, the water purifying cavity 12 is provided with a water outlet (not indicated in the figure), the periphery of the rotary drum 2 is of a sieve mesh structure and is coated with a filter screen 7, the rotary drum 2 is in transmission connection with the rotary drum driving mechanism 3 and is rotatably arranged in the water purifying cavity 12, and one end of the rotary drum 2 is communicated with the water passing port 14. Therefore, the rotary drum micro-filter of the embodiment of the invention separates the cavity of the water tank 1 into the water inlet cavity 11 and the water purifying cavity 12 by the vertical partition board 10, and the water passing port 14 is arranged on the vertical partition board 10, so that sewage in the water inlet cavity 11 directly flows into the rotary drum 2 through the water passing port 14, thereby realizing open water inlet, discarding the structure form that the water inlet pipe crosses the water tank 1 and extends into the rotary drum 2 along the axis of the rotary drum 2, having simpler structure process, low product manufacturing cost and convenient disassembly, assembly and maintenance; meanwhile, the open type water inlet is adopted, the water pressure in the rotary drum is stable, the water inflow is large, the water in the fish pond is not drained due to the rising of the water level, and the problems of the reduction of sewage treatment capacity and the blockage of the pipeline due to the limitation of the pipe diameter of the pipeline are avoided.
Illustratively, to better drive the drum 2 to rotate, the drum driving mechanism 3 includes a motor 31, a driving gear 32, and a driven gear 33, where a power output end of the motor 31 is connected to the driving gear 32, and the driven gear 33 is fixed at an end of the drum 2 and is coaxial with a rotation axis of the drum 2, and the driving gear 32 is meshed with the driven gear 33.
Illustratively, the motor 31 is installed in the water tank 1 and above the vertical partition board 10, so that no motor 31 is exposed outside the product, the appearance is concise and beautiful, and the purpose of reducing the noise of the motor 31 is achieved.
Illustratively, to ensure that the drum 2 can rotate stably, the rotary drum micro-filter further comprises a drum supporting mechanism 5 for supporting the drum 2 to rotate, wherein the drum supporting mechanism 5 comprises a plurality of guide wheel groups (51, 52, 53), and the guide wheel groups are propped against the periphery of the end part of the drum 2. In the concrete implementation, the rotary drum supporting mechanism 5 is positioned at one end of the rotary drum 2 close to the vertical partition board 10, and one end of the rotary drum 2 away from the vertical partition board 10 is supported and rotated by a bearing arranged on the inner wall of the water tank 1; of course, in other alternative embodiments, both ends of the drum 2 may be supported for rotation by the drum support mechanism 5. Further, among the plurality of guide roller groups, at least one guide roller group 51 abuts against the bottom of the drum 2, at least one guide roller group 52 abuts against the side of the drum 2, and at least one guide roller group 53 abuts against the other side of the drum 2.
Illustratively, the back flushing mechanism 4 includes a water pump 41, a spray pipe 42, a delivery pipe 43, a sewage collecting tank 44 and a drain pipe 45, the sewage collecting tank 44 is arranged on the upper side of an inner cavity of the rotary drum 2 and cannot rotate along with the rotation of the rotary drum 2, a notch of the sewage collecting tank 44 faces upwards, the spray pipe 42 is arranged on the upper side of the outer portion of the rotary drum 2, a water spray port of the spray pipe 42 faces the sewage collecting tank 44, one end of the drain pipe 45 is communicated with the sewage collecting tank 44, the other end of the drain pipe 45 extends to the outside of the water tank 1 through the water passing port 14, the water pump 41 is arranged at the bottom of the water purifying cavity 12, and the water pump 41 is connected with the spray pipe 42 through the delivery pipe 43. In operation, the water pump 41 pumps water at the bottom of the water purifying cavity 12, and after the backwash water is lifted to the spray pipe 42 through the delivery pipe 43, the backwash water is sprayed to the filter screen through the spray pipe 42, so that the dirt on the filter screen is backwashed, and the dirt falls into the dirt collecting tank 44 and is discharged from the drain pipe 45.
Illustratively, for automation control, the rotary drum micro-filter further comprises a controller electrically connected to the rotary drum driving mechanism 3 and the back flushing mechanism 4, respectively. In specific implementation, a liquid level sensor 6 is arranged in the water inlet cavity, the liquid level sensor 6 is electrically connected with the controller, and when the liquid level sensor 6 detects that the liquid level of the water inlet cavity reaches a preset height (the liquid level rises due to blockage of the filter screen), the controller starts the back flushing mechanism 4 to back flush the filter screen. Further, the controller is provided with a timing module for controlling the opening time of the back flushing mechanism 4. Therefore, the rotary drum micro filter of the embodiment not only needs to be started or stopped according to the change of the liquid level, but also is controlled to be started or stopped by the time module by the combined control mode of the timing module and the liquid level sensor 6, so that the phenomena of starting and stopping the water pump 41 are effectively avoided, and the service life of the water pump 41 is protected.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (7)
1. The rotary drum type micro-filter comprises a water tank, a rotary drum driving mechanism and a back flushing mechanism, and is characterized in that the periphery of the rotary drum is composed of a plurality of circular supporting plates and a plurality of straight supporting plates, the circular supporting plates are arranged at equal intervals along the axial direction of the rotary drum, the periphery of the circular supporting plates is provided with a plurality of slots at equal intervals, the intersection point of the central lines of any two slots is the center of the circular supporting plates, the thickness of the straight supporting plates is matched with the width of the slots, and the width of the straight supporting plates is matched with the depth of the slots; the controller is electrically connected with the rotary drum driving mechanism and the back flushing mechanism respectively;
the water tank is internally provided with a vertical partition board, the vertical partition board separates the cavity of the water tank to form a water inlet cavity and a water purifying cavity, the water inlet cavity is provided with a water inlet, the vertical partition board is provided with a water passing port, the water purifying cavity is provided with a water outlet, the periphery of the rotary drum is coated with a filter screen, the rotary drum is in transmission connection with the rotary drum driving mechanism and is rotatably arranged in the water purifying cavity, one end of the rotary drum is communicated with the water passing port, a liquid level sensor is arranged in the water inlet cavity and is electrically connected with the controller, and when the liquid level sensor detects that the liquid level of the water inlet cavity reaches a preset height, the controller starts the back flushing mechanism to back flush the filter screen.
2. The rotary drum micro filter according to claim 1, wherein the rotary drum driving mechanism comprises a motor, a driving gear and a driven gear, the motor is installed in the water tank and located above the vertical partition plate, a power output end of the motor is connected with the driving gear, the driven gear is fixed at an end of the rotary drum and coaxial with a rotation axis of the rotary drum, and the driving gear is meshed with the driven gear.
3. The rotary drum microfilter of claim 1 further comprising a drum support mechanism for supporting the rotation of said drum, said drum support mechanism including a plurality of guide wheel sets, a plurality of said guide wheel sets bearing against the outer periphery of the end of said drum.
4. A rotary drum microfilter as claimed in claim 3, wherein at least one of said sets of guide wheels is arranged to bear against the bottom of said drum, at least one of said sets of guide wheels is arranged to bear against a side of said drum, and at least one of said sets of guide wheels is arranged to bear against the other side of said drum.
5. A drum microfilter as claimed in claim 3 wherein said drum support means is located at an end of said drum adjacent said vertical partition.
6. The rotary drum type micro filter according to claim 1, wherein the back flushing mechanism comprises a water pump, a spray pipe, a conveying pipe, a sewage collecting tank and a drain pipe, the sewage collecting tank is arranged on the upper side of an inner cavity of the rotary drum and cannot rotate along with rotation of the rotary drum, a notch of the sewage collecting tank faces upwards, the spray pipe is arranged on the upper side of the outer portion of the rotary drum, a water spray opening of the spray pipe faces the sewage collecting tank, one end of the drain pipe is communicated with the sewage collecting tank, the other end of the drain pipe extends to the outside of the water tank through the water passing opening, the water pump is arranged at the bottom of the water purifying cavity, and the water pump is connected with the spray pipe through the conveying pipe.
7. A rotary drum microfilter as claimed in claim 1, wherein said controller is provided with a timing module for controlling the on-time of said back flushing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210103804.9A CN114534353B (en) | 2022-01-27 | 2022-01-27 | Rotary drum type micro-filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210103804.9A CN114534353B (en) | 2022-01-27 | 2022-01-27 | Rotary drum type micro-filter |
Publications (2)
| Publication Number | Publication Date |
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| CN114534353A CN114534353A (en) | 2022-05-27 |
| CN114534353B true CN114534353B (en) | 2024-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210103804.9A Active CN114534353B (en) | 2022-01-27 | 2022-01-27 | Rotary drum type micro-filter |
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| CN (1) | CN114534353B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117699904A (en) * | 2023-11-28 | 2024-03-15 | 济宁市渔业监测站 | Water purification and filtration equipment for aquaculture |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208161132U (en) * | 2018-03-28 | 2018-11-30 | 上海渔兮自动化科技有限公司 | A kind of full-automatic filter device used for aquiculture |
| CN109970149A (en) * | 2019-02-28 | 2019-07-05 | 浙江大学 | Big flow intelligence rotary drum Microfilter |
| CN209475738U (en) * | 2018-12-17 | 2019-10-11 | 武汉中科瑞华生态科技股份有限公司 | A kind of independent net sheet type rotary drum Microfilter |
| CN212594374U (en) * | 2020-06-16 | 2021-02-26 | 深圳盛亚环境技术有限公司 | Rotary drum type micro-filter |
| CN214634555U (en) * | 2021-04-26 | 2021-11-09 | 江阴天汇环保设备有限公司 | Circulating rotary drum micro-filter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8137568B2 (en) * | 2005-09-26 | 2012-03-20 | Andritz Ltd. | Rotary drum vacuum filter |
| CN110665280A (en) * | 2019-11-01 | 2020-01-10 | 中国水产科学研究院渔业机械仪器研究所 | Full-immersion rotary drum micro-filter |
| CN212881353U (en) * | 2020-06-29 | 2021-04-06 | 陈志鹏 | Filter drum and rotary drum filter |
| CN213313715U (en) * | 2020-09-21 | 2021-06-01 | 青岛蓝谷鲲鹏海洋科技有限公司 | Frame type rotary drum micro-filter for recirculating aquaculture and mounting mechanism thereof |
-
2022
- 2022-01-27 CN CN202210103804.9A patent/CN114534353B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208161132U (en) * | 2018-03-28 | 2018-11-30 | 上海渔兮自动化科技有限公司 | A kind of full-automatic filter device used for aquiculture |
| CN209475738U (en) * | 2018-12-17 | 2019-10-11 | 武汉中科瑞华生态科技股份有限公司 | A kind of independent net sheet type rotary drum Microfilter |
| CN109970149A (en) * | 2019-02-28 | 2019-07-05 | 浙江大学 | Big flow intelligence rotary drum Microfilter |
| CN212594374U (en) * | 2020-06-16 | 2021-02-26 | 深圳盛亚环境技术有限公司 | Rotary drum type micro-filter |
| CN214634555U (en) * | 2021-04-26 | 2021-11-09 | 江阴天汇环保设备有限公司 | Circulating rotary drum micro-filter |
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| Publication number | Publication date |
|---|---|
| CN114534353A (en) | 2022-05-27 |
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