CN114210111A - Filtering treatment device for aquaculture wastewater - Google Patents
Filtering treatment device for aquaculture wastewater Download PDFInfo
- Publication number
- CN114210111A CN114210111A CN202111646718.4A CN202111646718A CN114210111A CN 114210111 A CN114210111 A CN 114210111A CN 202111646718 A CN202111646718 A CN 202111646718A CN 114210111 A CN114210111 A CN 114210111A
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- Prior art keywords
- supporting rod
- fixed plate
- axial
- reposition
- fixedly connected
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- 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.)
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- 238000009360 aquaculture Methods 0.000 title claims abstract description 15
- 244000144974 aquaculture Species 0.000 title claims abstract description 15
- 238000001914 filtration Methods 0.000 title claims abstract description 13
- 239000002351 wastewater Substances 0.000 title claims abstract description 13
- 239000004744 fabric Substances 0.000 claims abstract description 11
- 239000010865 sewage Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 25
- 239000007787 solid Substances 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005406 washing Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 34
- 230000009471 action Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 238000007790 scraping Methods 0.000 description 6
- 238000011001 backwashing Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease 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
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- 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
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
-
- 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
- B01D29/68—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 the technical field of aquaculture and discloses a filtering treatment device for aquaculture wastewater, which comprises a circumferential supporting rod, wherein a sewage collecting groove is formed in the circumferential supporting rod, a high-pressure nozzle is arranged right above the circumferential supporting rod, a screen is movably connected to the outer side of the circumferential supporting rod, and an axial supporting rod is axially and fixedly connected to the inner side of the circumferential supporting rod. The top of the axial bracing piece through circumference bracing piece is provided with the fixed plate, make the fixed plate receive rivers when washing the effect at high pressure nozzle, the fixed plate removes to the inside of axial bracing piece, make the internal capacity of axial bracing piece reduce, make atmospheric pressure rise, under atmospheric pressure effect, the reposition of redundant personnel fixed plate removes to the outside direction of axial bracing piece, the reposition of redundant personnel fixed plate promotes the in-process that the scraper blade removed, make the inboard solid impurity of screen cloth between two axial bracing pieces, scrape down and extrude by two scraper blades, make the connection between the solid impurity inseparabler, make the collection of being convenient for more of solid impurity.
Description
Technical Field
The invention relates to the technical field of aquaculture, in particular to a filtering treatment device for aquaculture wastewater.
Background
The aquaculture process can produce a lot of waste water, can carry out the clearance of water through the microstrainer and recycle for the rational utilization water resource, wherein sewage can flow into inside the cylinder of microstrainer, sewage flows from inside outside of cylinder again, make the filth in the sewage be intercepted by the screen cloth when the cylinder wall again, after operation a period, the filth of being intercepted by the screen cloth is more and more, resistance to rivers is bigger and bigger, then outside water level of cylinder constantly descends, when the water level descends to the position that water level controller is located, the cylinder begins slow rotation, and simultaneously, high pressure water pump pumps high pressure water from the nozzle, the back flush of the filth on the screen cloth carries out, the filth that drops is together with water, get into the inside dirt collecting tank of cylinder and collect, then discharge from the blow off pipe, the inside water level of cylinder resumes.
When the micro-filter is used, when the high-pressure nozzle is used for backwashing, high-pressure water flow sprayed out of the high-pressure nozzle is flushed to the inside of the dirt collecting groove through the screen, dirt collected before the inside of the dirt collecting groove can be flushed out of the top end of the dirt collecting groove, the dirt can be returned to the inside of the roller again, the efficiency of collecting the dirt in the roller is low, the triggering time of one-time backwashing is short, and the energy consumption is increased; and the high-pressure water flow can disperse the dirt which is agglomerated on one side of the screen, thereby improving the difficulty of recycling the subsequent high-pressure water flow.
Disclosure of Invention
Aiming at the defects of the prior micro-filter in the use process, the invention provides a filtering treatment device for aquaculture wastewater, which has the advantages of convenient cleaning and solves the technical problems in the prior art.
The invention provides the following technical scheme: a filtering treatment device for aquaculture wastewater comprises a circumferential supporting rod, wherein a dirt collecting groove is formed in the circumferential supporting rod, a high-pressure nozzle is arranged right above the circumferential supporting rod, a screen is movably connected to the outer side of the circumferential supporting rod, an axial supporting rod is fixedly connected to the inner side of the circumferential supporting rod, a movable plate is movably connected to the top end of the axial supporting rod, a fixed plate is fixedly connected to the top end of the movable plate, the top end of the fixed plate is fixedly connected with the inner side of the screen, return springs are fixedly connected to the bottom ends of the two sides of the inner portion of the axial supporting rod, return rods are fixedly connected to the top ends of the return springs, the top ends of the return rods are fixedly connected to the bottom ends of the movable plate, the outer sides of the return rods and the movable plate are in sealing connection with the axial supporting rod, and split flow fixed plates are movably connected to the two sides of the inner portion of the axial supporting rod, the one end fixedly connected with of reposition of redundant personnel fixed plate is located the inside connecting plate of axial bracing piece, the other end fixedly connected with of reposition of redundant personnel fixed plate is located the scraper blade of screen cloth below.
Preferably, the shape of the dirt collecting groove is a regular hexagon with an opening at the top, and the bottom of the dirt collecting groove can elastically deform.
Preferably, the shape of the movable plate is rectangular, and the movable plate is located between the two shunting fixing plates.
Preferably, the cross-sectional shape of reposition of redundant personnel fixed plate is parallelogram, and the bottom of reposition of redundant personnel fixed plate is towards the ejection of compact direction in dirty groove of collection.
Preferably, the scraper blade is laminated with the scraper blade of opposite side after being promoted by the reposition of redundant personnel fixed plate, the shape of reposition of redundant personnel fixed plate and scraper blade is "T" style of calligraphy.
The invention has the following beneficial effects:
1. according to the invention, the fixing plate is arranged above the axial supporting rod of the circumferential supporting rod, so that when the high-pressure nozzle is subjected to the action of water flow washing, the fixing plate moves towards the inside of the axial supporting rod, the internal capacity of the axial supporting rod is reduced, the air pressure is increased, the shunting fixing plate moves towards the outer side direction of the axial supporting rod under the action of the air pressure, and in the process that the shunting fixing plate pushes the scrapers to move, solid impurities on the inner side of the screen between the two axial supporting rods are scraped and extruded by the two scrapers, so that the connection between the solid impurities is tighter, and the solid impurities are more convenient to collect.
2. According to the invention, the scraper and the connecting plate are connected through the shunt fixing plate, and after the shunt fixing plate moves out of the axial supporting rod, the shunt fixing plate can be positioned at the bottom end of the screen after being scraped by the scraper, at the moment, when the high-pressure nozzle washes the outer side of the screen, the washed water and the residual fine impurities on the surface of the screen are mixed to have a certain flow velocity, and through the oblique arrangement of the shunt fixing plate, the water flow is decelerated by the shunt fixing plate after washing towards the top end of the shunt fixing plate, and slowly flows down again, so that the impact is weakened, and the collection effect of the sewage collection tank is improved.
3. According to the invention, the fixing plate is arranged above the axial supporting rod, so that when the fixing plate is not impacted by water flow, the fixing plate is subjected to the elastic force of the reset spring and extends out of the axial supporting rod, the outer side surface of the fixing plate can push the bottom end of the screen, the screen can be in a tightened state, the filtering effect of the screen is better, when the water flow of the high-pressure nozzle impacts, the fixing plate moves towards the inner side of the axial supporting rod, the screen is better close to the top end of the scraper, and the scraping effect of the scraper is improved.
Drawings
FIG. 1 is a schematic diagram of a screen panel according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic cross-sectional side view of the axial strut structure of the present invention;
FIG. 4 is a schematic top view of the axial support rod structure of the present invention.
In the figure: 1. a circumferential support bar; 2. a sewage collecting tank; 3. a high pressure nozzle; 4. screening a screen; 5. an axial support bar; 6. a movable plate; 7. a fixing plate; 8. a return spring; 9. a reset lever; 10. a shunt fixing plate; 11. a connecting plate; 12. a scraper.
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 fig. 1, a filtration treatment device for aquaculture wastewater comprises a circumferential support rod 1, a dirt collecting groove 2 is arranged inside the circumferential support rod 1, a high pressure nozzle 3 is arranged right above the circumferential support rod 1, a screen 4 is movably connected to the outer side of the circumferential support rod 1, an axial support rod 5 is fixedly connected to the inner side of the circumferential support rod 1 in the axial direction, the circumferential support rod 1 and the axial support rod 5 are both rotated under the action of a motor gear, referring to fig. 3 and 4, a movable plate 6 is movably connected to the top end of the axial support rod 5, a fixed plate 7 is fixedly connected to the top end of the movable plate 6, the top end of the fixed plate 7 is fixedly connected to the inner side of the screen 4, return springs 8 are fixedly connected to the bottom ends of the two sides inside the axial support rod 5, a return rod 9 is fixedly connected to the top end of the return spring 8, and the top end of the return rod 9 is fixedly connected to the bottom end of the movable plate 6, and the outside of release link 9 and fly leaf 6 and axial bracing piece 5 between sealing connection, refer to fig. 2, the inside both sides swing joint of axial bracing piece 5 has reposition of redundant personnel fixed plate 10, and sealing connection between the outside of reposition of redundant personnel fixed plate 10 and axial bracing piece 5, and one end fixedly connected with of reposition of redundant personnel fixed plate 10 is located the inside connecting plate 11 of axial bracing piece 5, and the other end fixedly connected with of reposition of redundant personnel fixed plate 10 is located scraper blade 12 of screen cloth 4 below.
Wherein, when high pressure nozzle 3 when to the outside blowout rivers of an axial bracing piece 5, the rivers impact effect is on the top of an axial bracing piece 5, make fixed plate 7 move to the inside of axial bracing piece 5, the inboard of screen cloth 4 can be followed fixed plate 7 and moved to the inside of axial bracing piece 5, the screen cloth 4 of this position removes and the effect that high pressure nozzle 3 removed rivers, make the outside fixed plate 7 of the axial bracing piece 5 that is about to be washed next receive the effort of last screen cloth 4, make the inboard of next fixed plate 7 to next axial bracing piece 5 remove, when high pressure nozzle 3 removed two axial bracing pieces 5 intermediate positions, make become that scraper blade 12 all completely releases, carry out the extrusion of solid impurity.
Referring to fig. 1, the shape of the dirt collection tank 2 is a regular hexagon with an open top, and the bottom of the dirt collection tank 2 is elastically deformable, and the shape of the dirt collection tank 2 is set so that when high-strength water flow sprayed from the high-pressure nozzle 3 passes through the screen 4 and impacts the inside of the dirt collection tank 2, the inclined edge of the upper half of the dirt collection tank 2 intercepts the outward flowing trend of the impacted water flow, so that the water flow mixed with solid impurities can be well collected in the dirt collection tank 2, and simultaneously, the bottom of the dirt collection tank 2 is elastically deformable, so that when the solid impurities and water contained in the dirt collection tank 2 are large in volume, that is, gravity correspondingly increases, the bottom of the dirt collection tank 2 is elastically deformed, thereby further enlarging the capacity of the dirt collection tank 2, increasing the distance from the high-pressure nozzle 3 to the bottom of the dirt collection tank 2, and reducing the impact strength of the high-strength water flow sprayed from the high-pressure nozzle 3 to the dirt collection tank 2, the collection effectiveness of the dirt collection groove 2 is improved.
Referring to fig. 3, the movable plate 6 is rectangular, and the movable plate 6 is located between the two shunt fixing plates 10, so that after the movable plate 6 enters the axial support rod 5, the volume of the movable plate 6 entering the axial support rod 5 is increased, thereby reducing the available volume inside the axial support rod 5, further increasing the air pressure inside the axial support rod 5, and further performing the pushing action of the connecting plate 11 and the shunt fixing plates 10, and the movable plate 6 is disposed at a position that does not affect the moving path of the connecting plate 11 and the shunt fixing plates 10, so as to improve the stability of the action of the movable plate 6.
Referring to fig. 1 and 3, the cross-sectional shape of the diversion fixing plate 10 is a parallelogram, and the bottom end of the diversion fixing plate 10 faces the discharging direction of the dirt collecting tank 2, when water flow impacts one side of an axial support rod 5, the internal connection plate 11 of the axial support rod 5 and the diversion fixing plate 10 are pushed out of the axial support rod 5, that is, the scrapers 12 on the two sides of the axial support rod 5 scrape the screen 4, when the circumferential support rod 1 and the axial support rod 5 continue to rotate and the bottom end of the high-pressure nozzle 3 reaches the upper part of the diversion fixing plate 10, the high-pressure nozzle 3 impacts the fine solid impurities left on the surface of the screen 4 after being scraped by the scrapers 12, so that the difficulty of cleaning the screen 4 by the high-pressure nozzle 3 is reduced, and simultaneously, the water flow mixed with the fine impurities after impact flows down to the surface of the diversion fixing plate 10 due to the shape of the diversion fixing plate 10, the rivers impact that makes the stay flows out downwards through the surface of reposition of redundant personnel fixed plate 10 again on the surface of reposition of redundant personnel fixed plate 10, makes reposition of redundant personnel fixed plate 10 can reduce the velocity of flow to reduce rivers to the impact force of collection dirty 2 insides in groove, make the collection impurity that collection dirty 2 insides are more stable, avoid spilling over of impurity, improve the validity that the internal surface solid impurity of screen cloth 4 got rid of.
Referring to fig. 2, the scraping plate 12 is pushed by the shunt fixing plate 10 and then attached to the scraping plate 12 on the other side, the shunt fixing plate 10 and the scraping plate 12 are T-shaped, when the fixing plate 7 is flushed by water flow at the high pressure nozzle 3, the fixing plate 7 moves towards the inside of the axial support rod 5 and compresses the return spring 8, after entering the inside of the axial support rod 5 through the movable plate 6 and the fixing plate 7, the internal capacity of the axial support rod 5 decreases to increase the air pressure inside the axial support rod 5, the connecting plate 11 and the shunt fixing plate 10 move towards the outside of the axial support rod 5 under the action of the air pressure inside the axial support rod 5, and when the shunt fixing plate 10 pushes the scraping plate 12 to move, the solid impurities inside the screen 4 between the two axial support rods 5 are scraped and extruded by the two scraping plates 12, so that the connection between the solid impurities is tighter, so that the solid impurities are more easily collected in the interior of the dirt collection tank 2.
The use method (working principle) of the invention is as follows:
when the sewage generated by cultivation is treated, the sewage is introduced into the circumferential support rod 1 and the axial support rod 5, the sewage flows to the outer side of the screen 4 after being filtered by the screen 4, solid impurities in the sewage are gathered on the inner surface of the screen 4, when the water level in the circumferential support rod 1 and the axial support rod 5 changes, the high-pressure nozzle 3 is arranged at the top end of the screen 4, along with the rotation of the circumferential support rod 1 and the axial support rod 5, the back washing of the screen 4 is started, the water of the high-pressure nozzle 3 is flushed to the outer side of the screen 4, the water flow impacts the surface of the screen 4, the inner side of the screen 4 pushes the fixed plate 7 above the axial support rod 5, the fixed plate 7 pushes the movable plate 6 and the reset rod 9 to move towards the inner side of the axial support rod 5, the volume of the air inside the axial support rod 5 is reduced, the air pressure inside the axial support rod 5 is increased, the air flow inside the axial support rod 5 pushes one side of the connecting plate 11, the connecting plate 11 pushes the shunt fixing plate 10 to move towards the outer side of the axial supporting rod 5, the shunt fixing plate 10 pushes the scraper 12 to move towards the tangential direction of the circumferential supporting rod 1, in the process that the other side of the scraper 12 moves, the screen 4 above the scraper 12 is blown by water flow to move the legs and the top end of the scraper 12, the scraper 12 moves to scrape solid impurities on the inner side of the screen 4, the scraper 12 on the other side is also impacted and pushed out by the water flow, so that the two scrapers 12 extrude the solid impurities on the inner side of the screen 4 into clusters, meanwhile, the water flow sprayed by the high-pressure nozzle 3 moves towards the outer side of the screen 4, the screen 4 after the solid impurities are scraped is washed again, fine impurities in the part of the water flow and the water flow downwards and flow towards the top end of the shunt fixing plate 10 after entering the screen 4 through the screen 4, and then the part of the water flows slowly downwards after being blocked by the shunt fixing plate 10, collected by dirty groove 2 of collection, remove two scraper blade 12 laminating departments until 3 spun rivers of high pressure nozzle, rivers wash down the solid impurity between the scraper blade 12, make solid impurity drop the inside of the dirty groove 2 of collection, collected, discharge through the drain, through the fixed plate 7 on 5 tops of axial bracing piece of high pressure nozzle 3 below, not acted on the back by the rivers, under reset spring 8's elastic action, resume initial condition.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a filtration treatment device of aquaculture waste water, includes circumferential support pole (1), its characterized in that: the sewage collecting tank (2) is arranged in the circumferential supporting rod (1), the high-pressure nozzle (3) is arranged right above the circumferential supporting rod (1), the outer side of the circumferential supporting rod (1) is movably connected with the screen (4), the inner side of the circumferential supporting rod (1) is fixedly connected with the axial supporting rod (5), the top end of the axial supporting rod (5) is movably connected with the movable plate (6), the top end of the movable plate (6) is fixedly connected with the fixed plate (7), the top end of the fixed plate (7) is fixedly connected with the inner side of the screen (4), the bottom ends of the two sides in the axial supporting rod (5) are fixedly connected with the reset springs (8), the top end of each reset spring (8) is fixedly connected with the reset rod (9), the top end of each reset rod (9) is fixedly connected with the bottom end of the movable plate (6), and the outer sides of the reset rods (9) and the movable plate (6) are in sealing connection with the axial supporting rod (5), the inside both sides swing joint of axial bracing piece (5) has reposition of redundant personnel fixed plate (10), the one end fixedly connected with of reposition of redundant personnel fixed plate (10) is located axial bracing piece (5) inside connecting plate (11), the other end fixedly connected with of reposition of redundant personnel fixed plate (10) is located scraper blade (12) of screen cloth (4) below.
2. The aquaculture wastewater filtering treatment device of claim 1, wherein: the shape of the dirt collecting groove (2) is a regular hexagon with an open top, and the bottom of the dirt collecting groove (2) can elastically deform.
3. The aquaculture wastewater filtering treatment device of claim 1, wherein: the movable plate (6) is rectangular, and the movable plate (6) is located between the two shunt fixing plates (10).
4. The aquaculture wastewater filtering treatment device of claim 1, wherein: the cross-sectional shape of reposition of redundant personnel fixed plate (10) is parallelogram, and the bottom of reposition of redundant personnel fixed plate (10) is towards the ejection of compact direction of dirty groove (2) of collection.
5. The aquaculture wastewater filtering treatment device of claim 1, wherein: scraper blade (12) are laminated with opposite side scraper blade (12) after being promoted by reposition of redundant personnel fixed plate (10), the shape of reposition of redundant personnel fixed plate (10) and scraper blade (12) is "T" style of calligraphy.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111646718.4A CN114210111A (en) | 2021-12-30 | 2021-12-30 | Filtering treatment device for aquaculture wastewater |
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CN202111646718.4A CN114210111A (en) | 2021-12-30 | 2021-12-30 | Filtering treatment device for aquaculture wastewater |
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CN114210111A true CN114210111A (en) | 2022-03-22 |
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CN202111646718.4A Pending CN114210111A (en) | 2021-12-30 | 2021-12-30 | Filtering treatment device for aquaculture wastewater |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3493112A (en) * | 1966-06-07 | 1970-02-03 | Ronald F Worlidge | Filter apparatus including contaminant removal means |
CN201263922Y (en) * | 2008-08-29 | 2009-07-01 | 任广军 | Movable high-pressure spraying microstrainer |
CN101966406A (en) * | 2010-09-27 | 2011-02-09 | 中国水产科学研究院渔业机械仪器研究所 | Filtering equipment for purifying aquacultural water |
CN211411228U (en) * | 2019-11-29 | 2020-09-04 | 诸城市奥丰环保设备有限公司 | Micro-filter |
CN113368581A (en) * | 2021-06-22 | 2021-09-10 | 孔凡军 | Resource-saving micro-filter |
-
2021
- 2021-12-30 CN CN202111646718.4A patent/CN114210111A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3493112A (en) * | 1966-06-07 | 1970-02-03 | Ronald F Worlidge | Filter apparatus including contaminant removal means |
CN201263922Y (en) * | 2008-08-29 | 2009-07-01 | 任广军 | Movable high-pressure spraying microstrainer |
CN101966406A (en) * | 2010-09-27 | 2011-02-09 | 中国水产科学研究院渔业机械仪器研究所 | Filtering equipment for purifying aquacultural water |
CN211411228U (en) * | 2019-11-29 | 2020-09-04 | 诸城市奥丰环保设备有限公司 | Micro-filter |
CN113368581A (en) * | 2021-06-22 | 2021-09-10 | 孔凡军 | Resource-saving micro-filter |
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Application publication date: 20220322 |