CN110665280A - Full-immersion rotary drum micro-filter - Google Patents
Full-immersion rotary drum micro-filter Download PDFInfo
- Publication number
- CN110665280A CN110665280A CN201911059014.XA CN201911059014A CN110665280A CN 110665280 A CN110665280 A CN 110665280A CN 201911059014 A CN201911059014 A CN 201911059014A CN 110665280 A CN110665280 A CN 110665280A
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- China
- Prior art keywords
- rotary drum
- piston
- filter screen
- water inlet
- water
- 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
- 238000007654 immersion Methods 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 238000011001 backwashing Methods 0.000 claims abstract description 52
- 239000010865 sewage Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000009360 aquaculture Methods 0.000 description 7
- 244000144974 aquaculture Species 0.000 description 7
- 238000001914 filtration Methods 0.000 description 6
- 230000003134 recirculating effect Effects 0.000 description 4
- 238000001471 micro-filtration Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
Images
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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a full immersion type rotary drum micro-filter, wherein a back flush drain pipe is fixedly arranged in a rotary drum filter screen; a piston device with a piston rod and a back flush bucket are fixedly arranged in the rotary drum filter screen, the end part of the piston rod is rotationally connected with one end of a lever, the other end of the lever is rotationally connected with the back flush bucket, and the middle part of the lever is connected with a piston drain plug arranged at the upper end of a back flush drain pipe; a group of back washing nozzles are arranged above the rotary drum filter screen and extend to the outside of the shell through a back washing water inlet; when the device works, the drum filter screen is immersed in a water body; during backwashing: the back washing water inlet and the piston water inlet pipe are filled with water, the water inlet pressure of the piston water inlet pipe drives the piston rod to jack up, the lever is driven to swing upwards, the piston drain plug is opened, and sewage in the back washing bucket is discharged from the back washing drain pipe. The device has the characteristics of small occupied area, high utilization rate of the area of the filter screen, low energy consumption, difficult deformation and damage of the rotary drum and the like.
Description
Technical Field
The invention relates to a rotary drum micro-filter, in particular to a full-immersion rotary drum micro-filter.
Background
The main physical filtration equipment in the existing recirculating aquaculture system is a rotary drum micro-filtration machine, the filtration area of the existing rotary drum micro-filtration machine is low, generally about 30% of that of a rotary drum, so that the utilization rate of the filtration area of the rotary drum micro-filtration machine is low, the volume of the whole machine is large, and the area occupied in the aquaculture system is large. In addition, the common rotary drum micro-filter only partially exists in water, so that the rotary drum is eccentric during rotation, the power consumption of a driving motor is large, and the rotary drum is easy to deform and damage.
Disclosure of Invention
The invention aims to provide a full-immersion rotary drum micro-filter, the utilization rate of the filter area of a filter screen can reach 100 percent, the volume of equipment can be greatly reduced and the occupied area can be reduced under the condition of reaching the designed target filter capacity; the whole submergence of rotary drum is in aqueous, and the atress is even, and eccentricity when can not cause the rotation, driving motor energy consumption reduces by a wide margin, can avoid the rotary drum to take place the condition of deformation damage simultaneously.
The invention has the beneficial effects that:
a fully-immersed rotary drum micro-filter comprises a shell, a rotary drum filter screen 1 is arranged in the shell, a water outlet 9 is arranged at the position, above the rotary drum filter screen 1, of one end of the shell, and the rotary drum filter screen 1 is provided with a water inlet 2 communicated with the outside; a back washing drain pipe 3 is fixedly arranged in the rotary drum filter screen 1, the upper end of the back washing drain pipe 3 is opened upwards, and the lower end of the back washing drain pipe 3 extends out of the shell; a piston device with a piston rod 7 and a back flush bucket 8 are fixedly arranged in the rotary drum filter screen 1, the piston device extends out of the shell through a piston water inlet pipe 12, the end part of the piston rod 7 is rotatably connected with one end of a lever 5, the other end of the lever 5 is rotatably connected with the back flush bucket 8, and the middle part of the lever 5 is connected with a piston drain plug 4 arranged at the upper end of a back flush drain pipe 3; a group of back washing nozzles 6 are arranged above the drum filter screen 1, and the back washing nozzles 6 extend to the outside of the shell through back washing water inlets 6 a; when the rotary drum filter screen 1 works, the rotary drum filter screen is immersed in a water body; during backwashing: the back washing water inlet 6a and the piston water inlet pipe 12 are filled with water, the water inlet pressure of the piston water inlet pipe 12 drives the piston rod 7 to jack up, the lever 5 is driven to swing upwards, the piston drain plug 4 is opened, and sewage in the back washing bucket 8 is discharged from the back washing drain pipe 3.
Preferably, the backwash drain pipe 3 is L-shaped.
Preferably, the upper end of the housing is provided with an access cover 13.
Preferably, the casing is provided with a speed reduction motor cover 10, a speed reduction motor in the casing is coaxially connected with a driving gear 15, the driving gear 15 and a driving gear 14 are in transmission through a chain, and the driving gear 14 is coaxially connected with the rotary drum filter screen 1.
Preferably, the back washing nozzle 6 and the water outlet 9 are positioned at the same height.
Preferably, the water inlet 2, the back flush drain pipe 3, the back flush water inlet 6a and the piston water inlet pipe 12 are arranged on the same side of the shell, and the water outlet 9 is arranged on the opposite side of the shell.
Preferably, the piston device and the piston rod 7 are arranged vertically.
Preferably, the fully-immersed rotary drum micro-filter is used for a water purification system of factory recirculating aquaculture.
The invention has the beneficial effects that:
1) the whole submergence of this device rotary drum filter screen is in aqueous, and the filter area high-usage can reduce the volume of complete machine, makes whole area little, practices thrift the space, and the installation transportation is comparatively convenient.
2) The rotary drum filter screen of the device is fully immersed in water, so that the rotary drum is more uniform in resistance when rotating, and cannot be eccentric, and therefore, the energy consumption of the driving motor is lower, and meanwhile, the transmission shaft cannot be damaged due to eccentricity.
3) Simple manufacture, because the volume can reduce, occupation space is few, and the installation is dismantled simple and conveniently and is maintained.
4) The backwashing device of the device applies pressure through the backwashing water pump, and a starting device does not need to be additionally arranged; the device has a physical filtering function, and the precision of the filter mesh can be replaced according to application requirements.
5) Because the device get rid of the physical granule effect obvious, area in farming systems compares traditional microstrainer for a short time to the plant of the same area can increase the aquaculture water body and reduce water treatment's area.
Drawings
FIG. 1 is a schematic view of the fully submerged rotary drum microfilter according to the present invention.
FIG. 2 is a schematic view of another perspective of the fully submerged rotary drum microfilter of the present invention.
FIG. 3 is a front view of the fully submerged rotary drum microfilter of the present invention.
Fig. 4 is a top view of fig. 3.
FIG. 5 is a perspective view of the fully submerged rotary drum microfilter of the present invention.
FIG. 6 is a schematic view of the internal structure of the full immersion type rotary drum micro-filter of the present invention.
FIG. 7 is a perspective view of the fully submerged rotary drum microfilter of the present invention.
FIG. 8 is a front perspective view of the fully submerged rotary drum microfilter of the present invention.
In the figure, 1, a rotary drum filter screen, 2, a water inlet, 3, a backwashing water discharge pipe, 4, a piston water discharge plug, 5, a lever, 6, a backwashing spray head, 7, a piston rod, 8, a backwashing bucket, 9, a water outlet, 10, a speed reduction motor cover, 12, a piston water inlet pipe, 13, a backwashing sewage discharge pipe, 14, a driven gear, 15, a driving gear and 6a backwashing water inlet are arranged.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
The present embodiment relates to a fully submerged rotary drum filtration apparatus. The device is mainly applied to the water treatment of an industrial circulating aquaculture system, and can also be used in other sewage treatment fields. Aims to reduce the occupied area of the micro-filter by utilizing the fully-immersed rotary drum filter screen to filter the culture sewage and improving the utilization rate of the rotary drum filter screen.
The rotary drum filter screen is completely immersed in water, so that the resistance applied to the filter screen during rotation is uniform, and the problems of large energy consumption and damaged transmission system caused by eccentricity of the rotary drum during rotation of the rotary drum are solved.
Referring to fig. 1-8, a fully-immersed drum micro-filter comprises a shell, a drum filter screen 1 is arranged in the shell, a water outlet 9 is arranged at a position of one end of the shell above the drum filter screen 1, and the drum filter screen 1 is provided with a water inlet 2 communicated with the outside; a back washing drain pipe 3 is fixedly arranged in the rotary drum filter screen 1, the upper end of the back washing drain pipe 3 is opened upwards, and the lower end of the back washing drain pipe 3 extends out of the shell; a piston device with a piston rod 7 and a back flush bucket 8 are fixedly arranged in the rotary drum filter screen 1, the piston device extends out of the shell through a piston water inlet pipe 12, the end part of the piston rod 7 is rotatably connected with one end of a lever 5, the other end of the lever 5 is rotatably connected with the back flush bucket 8, and the middle part of the lever 5 is connected with a piston drain plug 4 arranged at the upper end of a back flush drain pipe 3; a group of back washing nozzles 6 are arranged above the drum filter screen 1, and the back washing nozzles 6 extend to the outside of the shell through back washing water inlets 6 a; when the rotary drum filter screen 1 works, the rotary drum filter screen is immersed in a water body; during backwashing: the back washing water inlet 6a and the piston water inlet pipe 12 are filled with water, the water inlet pressure of the piston water inlet pipe 12 drives the piston rod 7 to jack up, the lever 5 is driven to swing upwards, the piston drain plug 4 is opened, and sewage in the back washing bucket 8 is discharged from the back washing drain pipe 3.
In this embodiment, the backwash drain 3 is L-shaped, see fig. 6.
In this embodiment, referring to fig. 6, the upper end of the housing is provided with an access cover 13.
In this embodiment, referring to fig. 6, a gear motor cover 10 is disposed on the housing, the gear motor is coaxially connected to the driving gear 15, the driving gear 15 and the driving gear 14 are driven by a chain, and the driving gear 14 is coaxially connected to the drum filter 1.
In this embodiment, referring to fig. 6, the backwash spray 6 is located at the same height as the water outlet 9.
In this embodiment, referring to fig. 6, the water inlet 2, the back flush water outlet 3, the back flush water inlet 6a, and the piston water inlet pipe 12 are disposed on the same side of the housing, and the water outlet 9 is disposed on the opposite side of the housing.
In this embodiment, the piston means and the piston rod 7 are arranged vertically, see fig. 6.
In this embodiment, the fully-immersed drum micro-filter is used for a water purification system for plant recirculating aquaculture, and the water purification system for plant recirculating aquaculture is not shown in detail in the attached drawings.
During backflushing, the piston rod 7 is jacked up through water pressure, the piston drain plug 4 is opened by utilizing the lever principle, partial water in the micro-filter is drained, the drum filter screen and the backflushing funnel 8 are enabled to leak out of the water surface, meanwhile, the backflushing nozzle 6 also sprays water to the filter screen at high pressure, so that the backflushing effect is achieved, and solid waste on the filter screen and backflushing water are drained through the backflushing water outlet together.
After the back washing is finished, the water pump stops supplying water, the piston loses pressure and naturally falls down under the action of gravity to drive the lever to close the water outlet of the piston, at the moment, the water level in the micro-filter rises to the operating water level, and the micro-filter restarts filtering.
The rotary drum of the micro-filter can be adjusted through a variable frequency controller, and the rotating speed of the rotary drum can be adjusted according to different system designs and breeding requirements.
The back washing of the micro-filter is controlled by two modes, one is a time relay, the back washing time and frequency are set according to the dirt produced by the cultured species, and the other is that a liquid level switch is arranged at the water inlet end of the micro-filter, and when the water level exceeds the normal operation water level, a back washing system is started.
The device has the characteristics of small occupied area, high utilization rate of the area of the filter screen, low energy consumption, difficult deformation and damage of the rotary drum and the like.
While the preferred embodiments of the present invention have been described, those skilled in the art will appreciate that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A fully-immersed rotary drum micro-filter is characterized in that:
the device comprises a shell, wherein a rotary drum filter screen (1) is arranged in the shell, a water outlet (9) is formed in the position, located above the rotary drum filter screen (1), of one end of the shell, and the rotary drum filter screen (1) is provided with a water inlet (2) communicated with the outside;
a back washing drain pipe (3) is fixedly arranged in the drum filter screen (1), the opening at the upper end of the back washing drain pipe (3) faces upwards, and the lower end of the back washing drain pipe extends out of the shell;
a piston device with a piston rod (7) and a back flush bucket (8) are fixedly arranged in the rotary drum filter screen (1), the piston device extends out of the shell through a piston water inlet pipe (12), the end part of the piston rod (7) is rotatably connected with one end of a lever (5), the other end of the lever (5) is rotatably connected with the back flush bucket (8), and the middle part of the lever (5) is connected with a piston drain plug (4) arranged at the upper end of a back flush drain pipe (3);
a group of back washing nozzles (6) are arranged above the drum filter screen (1), and the back washing nozzles (6) extend to the outside of the shell through back washing water inlets (6 a);
when the rotary drum filter screen is in work, the rotary drum filter screen (1) is immersed in a water body;
during backwashing: the backwashing water inlet (6a) and the piston water inlet pipe (12) are filled with water, the water inlet pressure of the piston water inlet pipe (12) drives the piston rod (7) to jack up, the lever (5) is driven to swing upwards, the piston drain plug (4) is opened, and sewage in the backwashing hopper (8) is discharged from the backwashing drain pipe (3).
2. The fully-impregnated rotary drum microfilter of claim 1, wherein: the backwashing water discharging pipe (3) is L-shaped.
3. The fully-impregnated rotary drum microfilter of claim 1, wherein: an access cover (13) is arranged at the upper end of the shell.
4. The fully-impregnated rotary drum microfilter of claim 1, wherein: the casing is provided with a gear motor cover (10), a gear motor in the casing is coaxially connected with a driving gear (15), the driving gear (14) and a driven gear (15) are in transmission through a chain, and the driven gear (14) is coaxially connected with the rotary drum filter screen (1).
5. The fully-impregnated rotary drum microfilter of claim 1, wherein: the back washing spray head (6) and the water outlet (9) are positioned at the same height.
6. The fully-impregnated rotary drum microfilter of claim 1, wherein: the water inlet (2), the backwashing water discharge pipe (3), the backwashing water inlet (6a) and the piston water inlet pipe (12) are arranged on the same side of the shell, and the water outlet (9) is arranged on the opposite side of the shell.
7. The fully-impregnated rotary drum microfilter of claim 1, wherein: the piston device and the piston rod (7) are vertically arranged.
8. The fully-impregnated rotary drum microfilter of claim 1, wherein: the fully-immersed rotary drum micro-filter is used for a water purification system of factory circulating water culture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911059014.XA CN110665280A (en) | 2019-11-01 | 2019-11-01 | Full-immersion rotary drum micro-filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911059014.XA CN110665280A (en) | 2019-11-01 | 2019-11-01 | Full-immersion rotary drum micro-filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110665280A true CN110665280A (en) | 2020-01-10 |
Family
ID=69085285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911059014.XA Pending CN110665280A (en) | 2019-11-01 | 2019-11-01 | Full-immersion rotary drum micro-filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110665280A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114534353A (en) * | 2022-01-27 | 2022-05-27 | 江门市渔盟渔业机械有限公司 | Rotary drum type micro-filter |
| CN117482680A (en) * | 2023-12-27 | 2024-02-02 | 太仓点石航空动力有限公司 | Oil-gas separation device for aero-engine |
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| GB1008617A (en) * | 1964-06-22 | 1965-10-27 | Ivar Wallquist | Apparatus for filtration of liquids |
| FR2074919A6 (en) * | 1970-11-13 | 1971-10-08 | Envirotech Corp | Rotary vacuum filter |
| US4218322A (en) * | 1975-04-11 | 1980-08-19 | Kosaku Iida | Water filtration apparatus |
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| CN205975853U (en) * | 2016-08-29 | 2017-02-22 | 辽宁省交通高等专科学校 | Novel economize on water towards lavatory device |
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| CN110201444A (en) * | 2019-06-27 | 2019-09-06 | 广东尚骏科技有限公司 | A kind of Microfilter with back purge system and micro-filtration precipitate all-in-one machine |
| CN211133195U (en) * | 2019-11-01 | 2020-07-31 | 中国水产科学研究院渔业机械仪器研究所 | Aquaculture water treatment immersion type rotary drum micro-filter |
-
2019
- 2019-11-01 CN CN201911059014.XA patent/CN110665280A/en active Pending
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| GB1008617A (en) * | 1964-06-22 | 1965-10-27 | Ivar Wallquist | Apparatus for filtration of liquids |
| FR2074919A6 (en) * | 1970-11-13 | 1971-10-08 | Envirotech Corp | Rotary vacuum filter |
| US4218322A (en) * | 1975-04-11 | 1980-08-19 | Kosaku Iida | Water filtration apparatus |
| US4407720A (en) * | 1982-04-08 | 1983-10-04 | Bratten Jack R | Method and apparatus for filtration of contaminated liquids |
| US4620927A (en) * | 1985-05-17 | 1986-11-04 | Envirex Inc. | Polymeric microscreen support wheel and assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114534353A (en) * | 2022-01-27 | 2022-05-27 | 江门市渔盟渔业机械有限公司 | Rotary drum type micro-filter |
| CN117482680A (en) * | 2023-12-27 | 2024-02-02 | 太仓点石航空动力有限公司 | Oil-gas separation device for aero-engine |
| CN117482680B (en) * | 2023-12-27 | 2024-03-29 | 太仓点石航空动力有限公司 | Oil-gas separation device for aero-engine |
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