CN111991888B - Self-cleaning filter screen - Google Patents
Self-cleaning filter screen Download PDFInfo
- Publication number
- CN111991888B CN111991888B CN202010804424.9A CN202010804424A CN111991888B CN 111991888 B CN111991888 B CN 111991888B CN 202010804424 A CN202010804424 A CN 202010804424A CN 111991888 B CN111991888 B CN 111991888B
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- China
- Prior art keywords
- filter screen
- wall
- rod
- screen body
- water tank
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- 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
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/015—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with flat filtering elements
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- 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
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- 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
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/801—Driving means, shaft packing systems or the like
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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- 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)
Abstract
The invention discloses a self-cleaning filter screen, which comprises a filter screen body, wherein a supporting rod is arranged on the lower side wall of the filter screen body, the filter screen body is rotatably connected with the upper end of the supporting rod, an expansion spring is fixedly connected with the lower end of the supporting rod, a rotary table is arranged on the outer side of the supporting rod, a gear which is contacted with the outer wall of the supporting rod is rotatably connected onto the inner wall of the rotary table, sawteeth which are meshed with the gear are arranged on the outer wall of the supporting rod, a supporting rod is rotatably connected onto the outer wall of the rotary table, a transverse plate is arranged on the upper side wall of the filter screen body, the end part of the transverse plate is rotatably connected with a water tank, the end part of the supporting rod is contacted with the outer wall of the water tank, and a fixing plate is arranged on the lower side of the filter screen body. According to the invention, the excessive impurities on the filter screen body move downwards to drive the rotary table to rotate, so that the movement of the abutting rod is realized, the water tank is driven to automatically incline to pour out water to wash the filter screen body, the self-cleaning of the filter screen body is realized, and the filtering effect of the filter screen body is ensured.
Description
Technical Field
The invention relates to the technical field of municipal facilities, in particular to a self-cleaning filter screen.
Background
The filter screen is the subassembly that is used for the water body to filter in the municipal administration for impurity in the water body filters so that the purification process of follow-up water body.
The filter screen generally sets up the filtration that carries out impurity in the downside of outlet, and this filter screen can prevent that some large granule solid from getting into the outlet and causing the outlet jam, nevertheless along with the more filtration thing of filter screen filtration, its surperficial impurity can accumulate gradually, and then influences the drainage effect of filter screen.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a self-cleaning filter screen.
In order to achieve the purpose, the invention adopts the following technical scheme:
a self-cleaning filter screen comprises a filter screen body, wherein a support rod is arranged on the lower side wall of the filter screen body, the filter screen body is rotatably connected with the upper end of the support rod, a telescopic spring is fixedly connected with the lower end of the support rod, a rotary disc is arranged on the outer side of the support rod, a gear which is contacted with the outer wall of the support rod is rotatably connected on the inner wall of the rotary disc, sawteeth which are meshed with the gear are arranged on the outer wall of the support rod, a supporting rod is rotatably connected on the outer wall of the rotary disc, a transverse plate is arranged on the upper side wall of the filter screen body, a water tank is rotatably connected with the end part of the transverse plate, the end part of the supporting rod is contacted with the outer wall of the water tank, a fixed plate is arranged on the lower side of the filter screen body, a vertical rod is fixedly connected on the upper side wall of the fixed plate, a rotating plate is rotatably connected with the end part of the vertical rod, and a reset spring is fixedly connected between the end part of the rotating plate and the upper side wall of the fixed plate, fixedly connected with push rod on the outer wall of branch, the tip of push rod contacts with the last lateral wall that changes the board, the last lateral wall fixedly connected with connecting rod of fixed plate, the tip fixed mounting of connecting rod has the starting switch who is located change board other end downside, the last lateral wall of water tank is connected with the inlet tube, fixedly connected with guide bar in the water tank, the slip cap is equipped with the kickboard on the outer wall of guide bar, the last lateral wall fixedly connected with of kickboard presses the depression bar, the last lateral wall fixedly connected with mounting panel of water tank, the interior roof fixed mounting of mounting panel has the power-off switch who is located the depression bar upside.
Preferably, the outer side of the abutting rod is provided with a plurality of limiting rods, the limiting rods are evenly distributed on two sides of the abutting rod, and the outer wall of the abutting rod is in contact with the outer wall of the limiting rod.
Preferably, an inclined block is fixedly connected to the inner bottom wall of the water tank, and the thickness of the inclined block gradually increases from inside to outside.
Preferably, the gear and the resisting rod are respectively positioned at two sides of the rotating disc.
Compared with the prior art, this self-cleaning filter screen's advantage lies in:
1. the water tank is inclined, water in the water tank is poured out to contact with the surface of the filter screen body, the surface of the filter screen body is washed away, and impurities on the surface of the filter screen body are removed;
2. the water pump is provided with a starting switch, a power-off switch, a floating plate, a pressing rod and a rotating plate, the liquid pump forms an electric loop with the starting switch, the power-off switch and an external power supply through a lead, when the rotating plate is horizontal, the starting switch is pressed to turn on the liquid pump to pump water into the water tank, the floating plate moves upwards under the buoyancy effect of the water body, the pressing rod presses the power-off switch to cut off the electric loop, stop the work of the liquid pump and stop the discharge of the water, so that the constant water quantity in the water tank is ensured, and the scouring force of the water body is ensured;
3. the inclined block is arranged, the thickness of one side, close to the transverse plate, of the inclined block is thicker, and when a certain amount of water is injected into the water tank, the water tank is far away from the transverse plate, and the water amount of one part of the water tank is larger, so that the water tank has power for inclining towards one side of the filter screen body;
in conclusion, the filter screen body disclosed by the invention has the advantages that excessive impurities on the filter screen body move downwards to drive the rotary table to rotate, the movement of the supporting rod is realized, the water tank is further driven to automatically incline to pour out water to flush the filter screen body, the self-cleaning of the filter screen body is realized, and the filtering effect of the filter screen body is ensured.
Drawings
FIG. 1 is a schematic structural view of a self-cleaning filter according to the present invention;
fig. 2 is a rear view of a joint between a rotary disc and a support rod of the self-cleaning filter screen according to the present invention.
In the figure: 1 filter screen body, 2 branch, 3 carousel, 4 expanding spring, 5 fixed plates, 6 reset spring, 7 commentaries on classics boards, 8 starting switch, 9 support rods, 10 gag lever posts, 11 diaphragm, 12 water tanks, 13 sloping blocks, 14 kickboards, 15 press the pressure pole, 16 power-off switch, 17 inlet tubes, 18 guide bars, 19 gears.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, a self-cleaning filter screen, comprising a filter screen body 1, a support rod 2 is provided on the lower side wall of the filter screen body 1, the filter screen body 1 is rotatably connected with the upper end of the support rod 2, a telescopic spring 4 is fixedly connected with the lower end of the support rod 2, specifically, the upper end of the support rod 2 is rotatably connected with the filter screen body 1 through a torque rotating shaft, the filter screen body 1 moves upwards to be horizontal under the elastic force of the telescopic spring 4, when the filter screen body 1 is blocked by excessive impurities on the surface of the filter screen body 1 to affect the filtration of water, the filter screen body 1 moves downwards under the gravity, a rotary disc 3 is provided on the outer side of the support rod 2, a gear 19 contacting with the outer wall of the support rod 2 is fixedly connected to the inner wall of the rotary disc 3, the outer wall of the support rod 2 is provided with saw teeth meshing with the gear 19, when moving downwards towards the filter screen body 1, the gear 19 and the rotary disc 3 are driven to rotate, carousel 3 is forward rotation, carousel 3 drives and supports the junction down removal of pole 9 and carousel 3, the upper end down that supports pole 9 moves no longer with water tank 12 contact, water tank 12 is down toward filter body 1 lopsidedness under the effect of water gravity, the water in the water tank 12 is poured out and filter body 1's surface contact, wash away filter body 1's surface, get rid of the impurity on filter body 1 surface, wash away clean back when filter body 1 surface, filter body 1 up moves under expanding spring 4's spring action, drive carousel 3 reversal through the meshing of sawtooth and gear 19, the tip that drives to support pole 9 up moves extrusion water tank 12 and resumes vertically.
Rotate on the outer wall of carousel 3 and be connected with and support pole 9, the last lateral wall of filter screen body 1 is equipped with diaphragm 11, the tip of diaphragm 11 rotates and is connected with water tank 12, the tip that supports pole 9 contacts with the outer wall of water tank 12, the downside of filter screen body 1 is provided with fixed plate 5, the last lateral wall fixedly connected with montant of fixed plate 5, the tip of montant rotates and is connected with commentaries on classics board 7, fixedly connected with reset spring 6 between the tip of commentaries on classics board 7 and the last lateral wall of fixed plate 5, under the normal condition, commentaries on classics board 7 is the horizontality, the tip of commentaries on classics board 7 carries out pressing of starting switch 8, the starting liquid pump is stored outside water source pump to water tank 12 in.
The outer wall of the supporting rod 2 is fixedly connected with a push rod, the end part of the push rod is contacted with the upper side wall of the rotating plate 7, the upper side wall of the fixed plate 5 is fixedly connected with a connecting rod, the end part of the connecting rod is fixedly provided with a starting switch 8 positioned on the lower side of the other end of the rotating plate 7, the upper side wall of the water tank 12 is connected with a water inlet pipe 17, the water inlet pipe 17 is connected with an external liquid pump, the input end of the liquid pump is connected with an external water source, the inside of the water tank 12 is fixedly connected with a guide rod 18, the outer wall of the guide rod 18 is sleeved with a floating plate 14 in a sliding manner, the upper side wall of the floating plate 14 is fixedly connected with a pressing rod 15, the upper side wall of the water tank 12 is fixedly connected with a power-off switch 16 positioned on the upper side of the pressing rod 15, the liquid pump forms an electric loop with the starting switch 8, the power-off switch 16 and an external power supply through wires, when the rotating plate 7 is horizontal, the starting switch 8 is pressed to turn on the liquid pump to the water tank 12, under the buoyancy of the water body, the floating plate 14 moves upwards, the pressing rod 15 presses the power-off switch 16 to break an electric loop, stop the work of the liquid pump and stop the discharge of water.
Furthermore, the limiting rods 10 are arranged on the outer sides of the supporting rods 9, the limiting rods 10 are distributed in a plurality of numbers and are evenly distributed on the two sides of the supporting rods 9, the outer walls of the supporting rods 9 are in contact with the outer walls of the limiting rods 10, the positions of the supporting rods 9 are limited through the limiting rods 10, the positions of the supporting rods 9 are prevented from being deviated in a large range, and the end portions of the supporting rods 9 are guaranteed to be in contact with the outer wall of the water tank 12 all the time.
Further, inner bottom wall fixedly connected with sloping block 13 of water tank 12, sloping block 13 from inside to outside thickness crescent, it is thicker to set up sloping block 13 and be close to diaphragm 11 one side thickness, furthermore, the density of sloping block 13 is less than the density of water, after injecting a certain amount of water in water tank 12, water tank 12 is far away from diaphragm 11 partly water yield more, consequently, water tank 12 has a power to the 1 lopsidedness of filter screen body, when supporting pole 9 and water tank 12 contact, water tank 12 wholly keeps the level, when the tip that supports pole 9 keeps away from water tank 12, water tank 12 rotates toward filter screen body 1 one side, water tank 12 emptys and can realize the discharge of water.
Further, the gear 19 and the resisting rod 9 are respectively located on two sides of the rotating disc 3, the gear 19 and the resisting rod 9 are distributed on two sides of the rotating disc 3 to avoid contact of the gear 19 and the resisting rod 9, and stability of movement of the resisting rod 9 and the gear 19 is guaranteed.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. The self-cleaning filter screen comprises a filter screen body (1) and is characterized in that a supporting rod (2) is arranged on the lower side wall of the filter screen body (1), the filter screen body (1) is rotatably connected with the upper end of the supporting rod (2), a telescopic spring (4) is fixedly connected with the lower end of the supporting rod (2), a rotary table (3) is arranged on the outer side of the supporting rod (2), a gear (19) contacted with the outer wall of the supporting rod (2) is rotatably connected on the inner wall of the rotary table (3), sawteeth meshed with the gear (19) are arranged on the outer wall of the supporting rod (2), a supporting rod (9) is rotatably connected on the outer wall of the rotary table (3), a transverse plate (11) is arranged on the upper side wall of the filter screen body (1), a water tank (12) is rotatably connected with the end part of the transverse plate (11), and the end part of the supporting rod (9) is contacted with the outer wall of the water tank (12), the filter screen comprises a filter screen body (1), and is characterized in that a fixing plate (5) is arranged on the lower side of the filter screen body (1), a vertical rod is fixedly connected to the upper side wall of the fixing plate (5), a rotating plate (7) is connected to the end of the vertical rod in a rotating mode, a reset spring (6) is fixedly connected between the end of the rotating plate (7) and the upper side wall of the fixing plate (5), a push rod is fixedly connected to the outer wall of a support rod (2), the end of the push rod is in contact with the upper side wall of the rotating plate (7), a connecting rod is fixedly connected to the upper side wall of the fixing plate (5), a starting switch (8) is fixedly mounted at the lower side of the other end of the rotating plate (7) at the end of the connecting rod, a water inlet pipe (17) is connected to the upper side wall of a water tank (12), a guide rod (18) is fixedly connected to the water tank (12), a floating plate pressing plate (14) is slidably sleeved on the outer wall of the guide rod (18), and a rod (15) is fixedly connected to the upper side wall of the floating plate (14), the upper side wall of the water tank (12) is fixedly connected with an installation plate, and the inner top wall of the installation plate is fixedly provided with a power-off switch (16) positioned on the upper side of the pressing rod (15);
limiting rods (10) are arranged on the outer sides of the abutting rods (9), the limiting rods (10) are distributed on the two sides of the abutting rods (9) uniformly, and the outer walls of the abutting rods (9) are in contact with the outer walls of the limiting rods (10);
an inclined block (13) is fixedly connected to the inner bottom wall of the water tank (12), and the thickness of the inclined block (13) is gradually increased from inside to outside;
the gear (19) and the resisting rod (9) are respectively positioned on two sides of the turntable (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010804424.9A CN111991888B (en) | 2020-08-11 | 2020-08-11 | Self-cleaning filter screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010804424.9A CN111991888B (en) | 2020-08-11 | 2020-08-11 | Self-cleaning filter screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111991888A CN111991888A (en) | 2020-11-27 |
| CN111991888B true CN111991888B (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010804424.9A Active CN111991888B (en) | 2020-08-11 | 2020-08-11 | Self-cleaning filter screen |
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Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1162160B (en) * | 1978-02-03 | 1987-03-25 | Albertini Franco | CONTINUOUS PURIFIER WITH AUTOMATIC AND CYCLIC EXPULSION OF THE DEPOSIT |
| JPS57102209A (en) * | 1980-12-16 | 1982-06-25 | Yamamoto Koki Kk | Strainer |
| AT405744B (en) * | 1997-11-05 | 1999-11-25 | Andritz Patentverwaltung | SCREENING |
| EP0950639B1 (en) * | 1998-03-16 | 2001-08-08 | SDL Technologies Ltd | An apparatus and method for purifying water |
| US6322703B1 (en) * | 1999-04-20 | 2001-11-27 | Asahi Kasei Kabushiki Kaisha | Method for purifying aqueous suspension |
| SE0702702L (en) * | 2007-12-06 | 2008-09-09 | Metso Fiber Karlstad Ab | System for receiving and transporting mesa from a white liquor filter |
| FR2972116B1 (en) * | 2011-03-04 | 2015-05-22 | Beaudrey & Cie | FILTRATION APPARATUS AND FILTRATION INSTALLATION COMPRISING SUCH AN APPARATUS |
| CN103111115A (en) * | 2013-02-25 | 2013-05-22 | 北京中远通科技有限公司 | Solid-liquid autosegregation filter and filtering method thereof |
| CN103830949A (en) * | 2014-03-31 | 2014-06-04 | 江苏兆盛环保集团有限公司 | Slag removing device of superfine grid trash cleaning device |
| CN104548710B (en) * | 2014-12-19 | 2016-10-05 | 华南理工大学 | Movable type sludge dehydration device and method |
| CN204952435U (en) * | 2015-06-29 | 2016-01-13 | 北京海斯顿水处理设备有限公司 | Sewage treatment uses horizontal filter screen |
| CN206965277U (en) * | 2017-07-04 | 2018-02-06 | 安徽菲利特过滤***股份有限公司 | A kind of well strainer easy to clean |
| CN107280550A (en) * | 2017-08-03 | 2017-10-24 | 陈钦先 | A kind of gardens use can surge the mobile bath pond of pressure |
| CN207227083U (en) * | 2017-09-02 | 2018-04-13 | 马鞍山市天瑞环保科技有限公司 | A kind of flushing type sewage purification tower |
| CN207950856U (en) * | 2017-12-27 | 2018-10-12 | *** | A kind of sewage filter device of easy cleaning filter screen |
| CN208465332U (en) * | 2018-07-17 | 2019-02-05 | 天津市兴达和平食品股份有限公司 | A kind of vegetables juice filter device |
| CN109169297A (en) * | 2018-09-30 | 2019-01-11 | 颍上庆丰农牧发展有限公司 | A kind of pig house air cleaning unit |
| CN209771539U (en) * | 2019-04-17 | 2019-12-13 | 陕西云阔节能环保科技有限公司 | Pneumatic pulse backwashing sewage treatment equipment |
| CN110102099B (en) * | 2019-06-19 | 2020-05-26 | 中国矿业大学(北京) | Screen body, mud-water separation device and mud-water separation method |
| CN210434103U (en) * | 2019-07-08 | 2020-05-01 | 甘肃金川金顶汇新材料科技有限公司 | Energy-conserving high-efficient sewage treatment device |
| CN110448956A (en) * | 2019-08-20 | 2019-11-15 | 四川天润德环境工程有限公司 | A kind of high-efficiency sewage equipment for separating liquid from solid |
| CN110645823A (en) * | 2019-10-17 | 2020-01-03 | 四川亿阳华泰科技有限公司 | Electromagnetic heat exchange box drainage structure of waste heat recovery system |
| CN110714871B (en) * | 2019-10-26 | 2021-07-09 | 赵明星 | Hydroelectric power generation equipment convenient to installation and having cleaning function |
| CN111256218A (en) * | 2020-01-20 | 2020-06-09 | 山东城市建设职业学院 | Outer quick-witted automatically cleaning system of air conditioner |
-
2020
- 2020-08-11 CN CN202010804424.9A patent/CN111991888B/en active Active
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Effective date of registration: 20211201 Address after: 251700 north of Sunwu 8th Road, east of Le'an 4th Road, Huimin Economic Development Zone, Binzhou City, Shandong Province (east of Shandong Huimin Zhengfa cocoon silk Co., Ltd.) Applicant after: Binzhou Minxuan plastic products Co.,Ltd. Address before: 518101 incubation building, building a, main park, Taohuayuan science and Technology Innovation Park, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province Applicant before: Tang Junwen |
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