CN112742103A - Agricultural automatic flushing filter - Google Patents

Agricultural automatic flushing filter Download PDF

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Publication number
CN112742103A
CN112742103A CN202011571973.2A CN202011571973A CN112742103A CN 112742103 A CN112742103 A CN 112742103A CN 202011571973 A CN202011571973 A CN 202011571973A CN 112742103 A CN112742103 A CN 112742103A
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CN
China
Prior art keywords
ring
fixedly connected
filter
shell
circular opening
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Granted
Application number
CN202011571973.2A
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Chinese (zh)
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CN112742103B (en
Inventor
何秀英
员宝会
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Hainan Longbao Agricultural Equipment Co ltd
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Hainan Longbao Agricultural Equipment Co ltd
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Priority to CN202011571973.2A priority Critical patent/CN112742103B/en
Publication of CN112742103A publication Critical patent/CN112742103A/en
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Publication of CN112742103B publication Critical patent/CN112742103B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • B01D35/027Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks rigidly mounted in or on tanks or reservoirs
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/16Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention provides an agricultural automatic flushing filter, and relates to the technical field of irrigation. The agricultural automatic flushing filter comprises a shell, a high-pressure water inlet, an isolation mechanism, a filtering mechanism, a connecting pipe, a bidirectional water pumping device, a water outlet pipe and a water storage tank, wherein the high-pressure water inlet is fixedly connected to the outer side of the shell close to the bottom end, the isolation mechanism is arranged inside the shell close to the top end, the invention provides an agricultural automatic flushing filter, which solves the problems that long-strip impurities such as sand, straws, grass leaves and the like block the filter and the filter plate is inconvenient to clean.

Description

Agricultural automatic flushing filter
Technical Field
The invention relates to the technical field of irrigation, in particular to an agricultural automatic flushing filter.
Background
Irrigation, namely watering the land with water, wherein the irrigation principle is that the irrigation quantity, the irrigation times and the irrigation time are determined according to the water requirement characteristics of medicinal plants, the growth stage, the climate and the soil condition, and the irrigation needs to be timely, proper and reasonable.
Irrigation equipment is last generally all to be equipped with the filter and to get rid of impurity such as grit in the irrigation water, but irrigate in rural area and all follow well or carry out the water intaking in the river pond with water, and the aquatic goes out the grit impurity and outside still have the straw, rectangular class impurity such as grass leaf, and these impurity can cause the normal drainage that the filter is influenced in the jam to the filter when in the filter to and inconvenient people clear up the filter screen of filter.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an agricultural automatic washing filter, which solves the problems that long-strip impurities such as sand, straw, grass leaves and the like block the filter and the filter plate of the filter is inconvenient to clean.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an agricultural automatic washing filter, which comprises an outer shell, the high pressure water inlet, isolator, filtering mechanism, the connecting pipe, two-way pumping device, the outlet pipe, the storage water tank, the shell outside is close to bottom fixedly connected with high pressure water inlet, the inside top that is close to of shell is equipped with isolator, isolator and shell inner wall fixed connection, the isolator below is equipped with filtering mechanism, filtering mechanism and shell sliding connection, shell top fixedly connected with connecting pipe, connecting pipe other end fixedly connected with two-way pumping device, two-way water outlet device right side fixedly connected with outlet pipe, two-way water outlet device bottom fixedly connected with storage water tank.
Preferably, a strip-shaped opening is formed in the outer side of the shell and close to the bottom end of the shell, and a certain space is reserved between the isolation mechanism and the filtering mechanism in the shell.
Preferably, the isolation mechanism includes the support frame that is close to top fixed connection with the shell inner wall, support frame middle part fixedly connected with filter, the first electromagnet ring of filter top fixedly connected with, the even fixedly connected with connecting spring in first electromagnet ring top, connecting spring top fixedly connected with second electromagnet ring, second electromagnet ring top fixedly connected with second filter, second electromagnet ring and support frame fixedly connected with, the even fixedly connected with clearance pole in second electromagnet ring bottom, filter bottom fixedly connected with connecting rod, connecting rod bottom fixedly connected with arc kickboard.
Preferably, circular opening has evenly been seted up on the filter, has evenly seted up the circular opening of second on the second electromagnetism ring, and circular opening and the circular opening of second are on same axis, are equipped with annular opening between the circular opening of second on the second electromagnetism ring, and the clearance pole is inside to be cavity, and clearance pole bottom is the arc, has evenly seted up the third circular opening on the arc of clearance pole bottom, and the circular opening bottom of second is arranged in to the clearance pole top.
Preferably, filtering mechanism including set up in the bar opening with bar opening sliding connection's closing plate, fixedly connected with supports kickboard and ring on the closing plate, support kickboard top and ring body bottom middle part fixed connection, the even fixedly connected with second clearance pole in ring top, the ring top is equipped with the third filter, the third filter top is equipped with the barrier ring, barrier ring and 1 inner wall fixed connection of shell, third filters board bottom fixedly connected with floating ring, support kickboard bottom fixedly connected with bracing piece, bracing piece and closing plate fixed connection.
Preferably, ring quantity is six, and six rings are the toper and arrange in third filter below, and ring from the bottom up diameter reduces gradually, and adjacent ring lies in the inboard diameter of ring of below and the ring outside diameter that lies in the top the same, fixedly connected with copper wire between the adjacent ring bottom, the copper wire middle part fixedly connected with piece that hangs down, and the circular opening of fourth has evenly been seted up to the ring, and the circular opening of fifth has evenly been seted up at second clearance pole top.
(III) advantageous effects
(1) According to the invention, through the filter plate, the second filter plate and the cleaning rod which are arranged in the isolation mechanism, when water flow drives sand stone to pass through the filter plate, the sand stone is filtered through the filter plate to prevent the sand stone from damaging the water pumping device, and the cleaning rod is arranged in the circular opening of the filter plate to prevent the sand stone from being blocked in the circular opening of the filter plate to influence normal water drainage of the device due to blockage of the filter plate by pushing the filter plate to move towards the second filter plate through the water flow.
(2) According to the invention, through the cleaning rod arranged in the isolation mechanism, the fourth round opening on the cleaning rod and the round opening on the second filter plate, when the cleaning rod is arranged in the filter plate to clean the round opening on the filter plate, the cleaning rod is prevented from being arranged in the filter plate to block the round opening on the filter plate, so that the normal water outlet of the device is influenced, and the first electromagnet ring and the second electromagnet ring are connected with the spring, so that the filter plate can reset after being close to the second filter plate, and the filter plate is prevented from always abutting against the second filter plate to influence the normal water outlet efficiency of the device.
(3) According to the invention, the supporting floating plate, the circular ring, the steel wire and the hanging block which are arranged in the filtering mechanism are used for enabling the water flow to push the circular ring to move upwards when the water flow enters the shell, so that the steel wire straightens and blocks straw, grass leaf and other long-strip-shaped sundries carried in the water flow when the circular ring moves upwards, and the straw, the grass leaf and other long-strip-shaped sundries are prevented from entering the water pumping device along with the water flow to damage the water pumping device.
(4) According to the invention, the second cleaning rod, the third filter plate and the steel wire are arranged in the filter mechanism, so that the second cleaning rod is arranged in the third filter plate under the condition that no water exists in the shell, the third filter plate is automatically cleaned, sand and stones falling into the third circular opening on the third filter plate are cleaned out, the sand and stones blocked below the filter plate are prevented from falling into the bottom end of the shell and falling into the circular opening on the third filter plate, and the sand and stones are inconvenient to clean out subsequently, and strip-shaped impurities such as straws, grass blades and the like are arranged between the supporting floating rings or fall into the bottom end of the shell and are discharged from the high-pressure water inlet along with water flow, so that the filter plate is prevented from being blocked when the strip-shaped impurities such as straws and grass blades enter the third filter plate, and the normal drainage of the device is influenced and the third filter screen is inconvenient to clean subsequently.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the housing structure of the present invention;
FIG. 3 is a side cross-sectional view of the housing of the present invention;
FIG. 4 is a schematic view of the isolation mechanism of the present invention;
FIG. 5 is a side view of the isolation mechanism of the present invention;
FIG. 6 is a schematic view of the filter mechanism of the present invention;
FIG. 7 is a schematic view of the floating plate supporting structure of the present invention;
FIG. 8 is a schematic view of the pole cleaning machine of the present invention;
FIG. 9 is an enlarged view of the structure of FIG. 6 at A according to the present invention.
The water storage tank comprises a shell 1, a high-pressure water inlet 2, an isolation mechanism 3, a support frame 301, a filter plate 302, a first electromagnet ring 303, a connecting spring 304, a second electromagnet ring 305, a second filter plate 306, a cleaning rod 307, a connecting rod 308, an arc-shaped floating plate 309, a filter mechanism 4, a sealing plate 401, a supporting floating plate 402, a circular ring 403, a second cleaning rod 404, a third filter plate 405, a blocking ring 406, a floating ring 407, a steel wire 408, a hanging block 409, a support rod 410, a connecting pipe 5, a bidirectional water pumping device 6, a water outlet pipe 7 and a water storage tank 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings 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.
As shown in fig. 1-9, an embodiment of the present invention provides an agricultural automatic washing filter, which includes a housing 1, a high pressure water inlet 2, an isolation mechanism 3, a filtering mechanism 4, a connecting pipe 5, a bidirectional water pumping device 6, a water outlet pipe 7, and a water storage tank 8, wherein the high pressure water inlet 2 is fixedly connected to the outer side of the housing 1 near the bottom end, the isolation mechanism 3 is arranged inside the housing 1 near the top end, the isolation mechanism 3 is fixedly connected to the inner wall of the housing 1, the filtering mechanism 4 is arranged below the isolation mechanism 3, the filtering mechanism 4 is slidably connected to the housing 1, the connecting pipe 5 is fixedly connected to the top end of the housing 1, the bidirectional water pumping device 6 is fixedly connected to the other end of the connecting pipe 5, the water outlet pipe 7 is fixedly connected to the right side of the bidirectional water outlet device, the water storage tank 8 is fixedly connected.
The isolation mechanism 3 comprises a support frame 301 fixedly connected with the inner wall of the shell 1 near the top end, a filter plate 302 is fixedly connected with the middle part of the support frame 301, the top end of the filter plate 302 is fixedly connected with a first electromagnet ring 303, the top end of the first electromagnet ring 303 is uniformly and fixedly connected with a connecting spring 304, the top end of the connecting spring 304 is fixedly connected with a second electromagnet ring 305, the top end of the second electromagnet ring 305 is fixedly connected with a second filter plate 306, the second electromagnet ring 305 is fixedly connected with the support frame 301, the bottom end of the second electromagnet ring 305 is uniformly and fixedly connected with a cleaning rod 307, the bottom end of the filter plate 302 is fixedly connected with a connecting rod 308, the bottom end of the connecting rod 308 is fixedly connected with an arc-shaped floating plate 309, circular openings are uniformly arranged on the filter plate 302, second circular openings are uniformly arranged on the second electromagnet ring 305, the circular openings and the second circular openings are on the same central, the inside cavity that is of clearance pole 307, clearance pole 307 bottom is the arc, has evenly seted up the third circular opening on the arc of clearance pole 307 bottom, and the circular opening bottom of second is arranged in on the clearance pole 307 top.
The filtering mechanism 4 comprises a sealing plate 401 arranged in the strip-shaped opening and connected with the strip-shaped opening in a sliding manner, a supporting floating plate 402 and a circular ring 403 are fixedly connected to the sealing plate 401, the top end of the supporting floating plate 402 is fixedly connected with the middle part of the bottom end of the circular ring 403, a second cleaning rod 404 is uniformly and fixedly connected with the top end of the circular ring 403, a third filtering plate 405 is arranged at the top end of the circular ring 403, a blocking ring 406 is arranged above the third filtering plate 405, the blocking ring 406 is fixedly connected with the inner wall of the shell 11, a floating ring 407 is fixedly connected with the bottom end of the third filtering plate 405, a supporting rod 410 is fixedly connected with the bottom end of the supporting floating plate 402, the supporting rods 410 are fixedly connected with the sealing plate 401, the number of the circular rings 403 is six, the six circular rings 403 are arranged in a conical manner below the third filtering plate 405, the diameters of the circular rings are gradually reduced, fixedly connected with copper wire 408 between the adjacent ring 403 bottom, steel wire 408 middle part fixedly connected with hangs down piece 409, and the fourth circular opening has evenly been seted up to ring 403, and the fifth circular opening has evenly been seted up on second clearance pole 404 top.
When the water-saving filter is used, irrigation water enters the shell 1 through the high-pressure water inlet 2, the water flows upwards in the shell 1 under the action of the bidirectional water pumping pipe 6, when the irrigation water passes through the filter mechanism 4, the circular rings 403 move upwards under the action of the water flowing upwards, so that the six circular rings 403 are in a conical shape, a certain gap is reserved between the circular rings 403 which are positioned in an upper-lower relation under the action of the steel wire 408, so that when the irrigation water flows upwards between the circular rings 403, water flow drives straws in the water, grass blades and the like to be blocked by the circular rings 403 when passing through the circular rings 403, the water flow continues to flow upwards after passing through the circular rings, the blocking rings 406 move upwards in the shell 1 under the influence of the water flow driving force and buoyancy, meanwhile, the third filter plate 405 is blocked by the blocking rings, the influence of the third filter plate 405 moving to the bottom end of the isolation mechanism 4 on water outflow is prevented, and the water entering the shell 1 through the third filter plate 405 continues to move upwards, when water flows through the filter plate 302, sand in water is filtered through the circular opening formed in the filter plate 302, when the sand enters the circular opening of the filter plate 302 or is pushed by the water flow, the filter plate 302 is close to the second electromagnet ring 305 through the arrangement of the arc-shaped floating plate 309, the cleaning rod 307 is inserted into the circular opening of the filter plate 302 to dredge the circular opening of the filter plate 302 in the process that the filter plate 302 is close to the second electromagnet ring 305, meanwhile, the filter plate 302 is reset under the action of magnetic force mutual exclusion between the second electromagnet ring 305 and the first electromagnet ring 303 and the connecting spring 304, the cleaning rod 307 is prevented from being always arranged in the filter plate 302 to influence the normal drainage of the device, when the cleaning rod 307 is arranged in the filter plate 302, water in the shell 1 enters the connecting pipe 5 through the third circular opening, so that the cleaning rod 307 does not affect the normal water outlet of the device when it unclogs the circular opening of the filter plate 302.
After irrigation is finished, the high-pressure water inlet 2 is opened to discharge the residual water in the first casing, after the water in the first casing 1 is discharged, the supporting floating plate 402 connected to the bottom end of the circular ring 403 is positioned on the same plane under the action of the supporting rod 410, meanwhile, the third filter plate 405 loses buoyancy and slides downwards along the inner wall of the first casing 1 to fall above the circular ring 403, meanwhile, the second cleaning rod 404 is inserted into the fourth circular opening on the third filter plate 405, the bidirectional water pumping device 6 is started to fill the water in the storage tank 8 into the first casing 1, the water entering the first casing 1 enters the first casing 1 through the second electromagnet ring 305 and the filter plate 302, the water passes through the second electromagnet ring 305 and the filter plate 302 to flush the second electromagnet ring 305 and the filter plate 302, the inner wall of the first casing 1 is flushed, sand adsorbed on the inner wall of the first casing 1 falls onto the third filter plate 405, the water that enters into the shell discharges through the fourth circular opening on second clearance pole 404, when the ring 403 is in the coplanar, make the copper wire 408 middle part place support floating plate 402 and ring 403 support under the effect of hanging down the piece 409 so that the straw that is blockked by copper wire 408, rectangular impurity such as grass leaf is placed and is supported between floating plate 402 and the ring 403, after the water evacuation in the shell 1, draw out sealing plate 401 and thereby take out third filter 405 and ring 403 sand on the third filter 405 and support floating plate 402 and the clearance of rectangular impurity between the ring 403.

Claims (6)

1. The utility model provides an agricultural automatic washing filter, includes shell (1), high pressure water inlet (2), isolator mechanism (3), filtering mechanism (4), connecting pipe (5), two-way pumping device (6), outlet pipe (7), storage water tank (8), its characterized in that: the water inlet device is characterized in that the outer side of the shell (1) is close to a bottom fixedly connected with high-pressure water inlet (2), the inner portion of the shell (1) is close to the top end and is provided with an isolation mechanism (3), the isolation mechanism (3) is fixedly connected with the inner wall of the shell (1), a filtering mechanism (4) is arranged below the isolation mechanism (3), the filtering mechanism (4) is connected with the shell (1) in a sliding mode, the top end of the shell (1) is fixedly connected with a connecting pipe (5), the other end of the connecting pipe (5) is fixedly connected with a bidirectional water pumping device (6), a right side fixedly connected with water outlet pipe (7.
2. An agricultural automatic flushing filter according to claim 1, characterized in that: a strip-shaped opening is formed in the outer side of the shell (1) and close to the bottom end, and a certain space is reserved between the isolation mechanism (3) and the filtering mechanism (4) in the shell (1).
3. An agricultural automatic flushing filter according to claim 1, characterized in that: isolation mechanism (3) include support frame (301) that are close to top fixed connection with shell (1) inner wall, support frame (301) middle part fixedly connected with filter (302), filter (302) first electromagnetism magnet ring of top fixedly connected with (303), the even fixedly connected with connecting spring (304) in first electromagnetism magnet ring (303) top, connecting spring (304) top fixedly connected with second electromagnetism magnet ring (305), second electromagnetism magnet ring (305) top fixedly connected with second filter (306), second electromagnetism magnet ring (305) and support frame (301) fixedly connected with, the even fixedly connected with clearance pole (307) in second electromagnetism magnet ring (305) bottom, filter (302) bottom fixedly connected with connecting rod (308), connecting rod (308) bottom fixedly connected with arc floating plate (309).
4. An agricultural automatic flushing filter according to claim 3, characterized in that: evenly seted up circular opening on filter (302), evenly seted up the circular opening of second on the second electromagnetism ring (305), circular opening and the circular opening of second are on same axis, be equipped with annular opening between the circular opening of second on second electromagnetism ring (305), clearance pole (307) are inside to be cavity, clearance pole (307) bottom is the arc, third circular opening has evenly been seted up on clearance pole (307) bottom arc, the circular opening bottom of second is arranged in on clearance pole (307) top.
5. An agricultural automatic flushing filter according to claim 1, characterized in that: filtering mechanism (4) including setting up in the bar opening with bar opening sliding connection's closing plate (401), fixedly connected with supports kickboard (402) and ring (403) on closing plate (401), support kickboard (402) top and ring (403) ring body bottom middle part fixed connection, ring (403) the even fixedly connected with second cleaning rod (404) in top, ring (403) top is equipped with third filter (405), third filter (405) top is equipped with barrier ring (406), barrier ring (406) and shell (1)1 inner wall fixed connection, third filter (405) bottom fixedly connected with floating ring (407), support kickboard (402) bottom fixedly connected with bracing piece (410), bracing piece (410) and closing plate (401) fixed connection.
6. An agricultural automatic flushing filter according to claim 5, characterized in that: ring (403) quantity is six, six ring (403) are the toper in third filter (405) below and arrange, ring (403) diameter from the bottom up reduces gradually, ring (403) adjacent ring (403) are located ring (403) inboard diameter of below and ring (403) outside diameter that is located the top are the same, fixedly connected with copper wire (408) between adjacent ring (403) bottom, copper wire (408) middle part fixedly connected with hangs down piece (409), fourth circular opening has evenly been seted up in ring (403), fifth circular opening has evenly been seted up on second clearance pole (404) top.
CN202011571973.2A 2020-12-27 2020-12-27 Agricultural automatic flushing filter Active CN112742103B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011571973.2A CN112742103B (en) 2020-12-27 2020-12-27 Agricultural automatic flushing filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011571973.2A CN112742103B (en) 2020-12-27 2020-12-27 Agricultural automatic flushing filter

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CN112742103A true CN112742103A (en) 2021-05-04
CN112742103B CN112742103B (en) 2022-04-22

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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7410430A (en) * 1973-08-02 1975-02-04 Legras Bertrand Leon FILTER, MORE ESPECIALLY FOR FILTERING NATURAL WATER FOR SPRAYING BUILT-UP FIELDS.
ES2113395T3 (en) * 1991-12-09 1998-05-01 Hydroflow Inc A FILTRATION SYSTEM.
CN1756642A (en) * 2004-01-28 2006-04-05 奥地利埃瑞玛再生工程机械设备有限公司 Backflushable filter device
CN101304795A (en) * 2005-11-10 2008-11-12 胡斯克瓦纳比利时有限公司 Liquid filtration system
CN201911128U (en) * 2010-12-24 2011-08-03 贵州省烟草公司贵阳市公司 Water storage tank for field and anti-blocking structure of pipe network matched with same and used for field
CN201997180U (en) * 2011-01-14 2011-10-05 北京建筑工程学院 Siphon filter experimental model
CN105363268A (en) * 2015-11-09 2016-03-02 苏细调 River sewage filtering apparatus
CN106984086A (en) * 2017-06-02 2017-07-28 韩林峰 One kind cone helical filter
CN108786230A (en) * 2018-07-14 2018-11-13 温州市欧睿阀门有限公司 A kind of filter with anti-blockage function
CN110016944A (en) * 2019-04-29 2019-07-16 王芳 A kind of afforestation water-saving device
CN211141552U (en) * 2019-08-30 2020-07-31 吉林省拓维环保集团股份有限公司 Sewage treatment plant of convenient clearance
CN111533317A (en) * 2020-05-19 2020-08-14 浙江交工宏途交通建设有限公司 Stirring station sewage waste residue becomes cake recovery processing device
CN111764477A (en) * 2020-07-21 2020-10-13 丁佳龙 Kitchen sewer pipe anti-blocking device
CN211793423U (en) * 2019-12-18 2020-10-30 杭州安锋达机械有限公司 Irrigation equipment capable of filtering sand and stone

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7410430A (en) * 1973-08-02 1975-02-04 Legras Bertrand Leon FILTER, MORE ESPECIALLY FOR FILTERING NATURAL WATER FOR SPRAYING BUILT-UP FIELDS.
ES2113395T3 (en) * 1991-12-09 1998-05-01 Hydroflow Inc A FILTRATION SYSTEM.
CN1756642A (en) * 2004-01-28 2006-04-05 奥地利埃瑞玛再生工程机械设备有限公司 Backflushable filter device
CN101304795A (en) * 2005-11-10 2008-11-12 胡斯克瓦纳比利时有限公司 Liquid filtration system
CN201911128U (en) * 2010-12-24 2011-08-03 贵州省烟草公司贵阳市公司 Water storage tank for field and anti-blocking structure of pipe network matched with same and used for field
CN201997180U (en) * 2011-01-14 2011-10-05 北京建筑工程学院 Siphon filter experimental model
CN105363268A (en) * 2015-11-09 2016-03-02 苏细调 River sewage filtering apparatus
CN106984086A (en) * 2017-06-02 2017-07-28 韩林峰 One kind cone helical filter
CN108786230A (en) * 2018-07-14 2018-11-13 温州市欧睿阀门有限公司 A kind of filter with anti-blockage function
CN110016944A (en) * 2019-04-29 2019-07-16 王芳 A kind of afforestation water-saving device
CN211141552U (en) * 2019-08-30 2020-07-31 吉林省拓维环保集团股份有限公司 Sewage treatment plant of convenient clearance
CN211793423U (en) * 2019-12-18 2020-10-30 杭州安锋达机械有限公司 Irrigation equipment capable of filtering sand and stone
CN111533317A (en) * 2020-05-19 2020-08-14 浙江交工宏途交通建设有限公司 Stirring station sewage waste residue becomes cake recovery processing device
CN111764477A (en) * 2020-07-21 2020-10-13 丁佳龙 Kitchen sewer pipe anti-blocking device

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