CN106492528A - A kind of backwash filter - Google Patents

A kind of backwash filter Download PDF

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Publication number
CN106492528A
CN106492528A CN201611162601.8A CN201611162601A CN106492528A CN 106492528 A CN106492528 A CN 106492528A CN 201611162601 A CN201611162601 A CN 201611162601A CN 106492528 A CN106492528 A CN 106492528A
Authority
CN
China
Prior art keywords
pipe
housing
blow
room
sewage
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.)
Granted
Application number
CN201611162601.8A
Other languages
Chinese (zh)
Other versions
CN106492528B (en
Inventor
涂新启
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hengyang Heavy Machinery Equipment Co Ltd
Original Assignee
Hengyang Heavy Machinery Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hengyang Heavy Machinery Equipment Co Ltd filed Critical Hengyang Heavy Machinery Equipment Co Ltd
Priority to CN201611162601.8A priority Critical patent/CN106492528B/en
Publication of CN106492528A publication Critical patent/CN106492528A/en
Application granted granted Critical
Publication of CN106492528B publication Critical patent/CN106492528B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11Filters 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
    • B01D29/117Filters 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 arranged for outward flow filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/66Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/68Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles

Abstract

A kind of backwash filter, is related to sewage purification treatment equipment field, including:Housing, motor drive mechanism, coarse strainer, fie screen, sewage suction device and feeder;Coarse strainer and fie screen is provided with housing hollow, and coarse strainer and fie screen are cylindrical shape and form backwash chamber with inner walls, and shell one end is provided with wastewater inlet, and housing upper end is provided with motor drive mechanism and pure water inlet, and housing lower end is provided with sewage draining exit;Sewage suction device includes that blow-off pipe, high-pressure air pipe, dirt sucking tube and exhaustor, high-pressure air pipe are set in blow-off pipe, and dirt sucking tube connects the inner chamber of blow-off pipe, and exhaustor runs through blowdown tube wall and connects the inner chamber of high-pressure air pipe, and exhaustor includes straight mouth pipe and curved mouth pipe;Feeder includes motor, air pump and air supply pipe.A kind of backwash filter of the present invention, cleaning efficiency are high, and cleaning more thoroughly, disclosure satisfy that the prescription to sewage water filtration and automatization's blowdown.

Description

A kind of backwash filter
Technical field
The present invention relates to sewage purification treatment equipment field, and in particular to a kind of backwash filter.
Background technology
In sewage disposal process, water enters filter by entrance, with the carrying out that filters, due to filter material surface and filter screen Booty in water, impurity is built up, the upper surface for blocking filter screen can affect filter effect and effluent quality, will now be carried out anti- Rinse to recover the disposal ability of filter.
Backwash filter, is a kind of impurity that utilization filter screen is directly intercepted in water, removes water body recovery technology, particulate matter, Reduce turbidity, purify water, reduce system dirt, bacterium algae, corrosion etc. and produce, with purify water and protection system other equipment just The precision equipment for often working.Water enters backwash filter body by water inlet, and due to intelligentized design, system can automatic identification Impurity deposits degree, discharge dirt valve signal automatic pollution discharge.
But we are had found in routine use, backwash filter in use for some time, during cleaning, only leans on the anti-of water Impact degree of cleaning is limited, and cleaning is not thorough and cleaning efficiency is low;Secondly as cleaning is not thoroughly, accumulate on drainage screen Impurity is slowly deposited, and is reached the through hole that a certain amount will be on clog filter screens, and then is affected the filtration effect of backwash filter Really, reduce filtering effect, and the depositing contaminants on drainage screen are carried out with artificial removing extremely inconvenience.
Content of the invention
For defect of the prior art, the present invention provides a kind of backwash filter, overcomes existing anti-in prior art Flush filter backwash limitation, cleans the not thorough and low problem of cleaning efficiency.
The invention provides a kind of backwash filter, including housing, motor drive mechanism, coarse strainer, fie screen, sewage suction device And feeder;There are flow control plate and sealing plate in the cavity of the housing, the flow control plate and the sealing plate respectively will be described The cavity of housing is divided into straining chamber, fine filtering room and blowdown room;The shell one end is provided with wastewater inlet, the wastewater inlet connection The straining chamber, the housing upper end are provided with motor drive mechanism and pure water inlet, and the motor drive mechanism connects the flow control plate, described Pure water inlet connects the fine filtering room, and the housing lower end is provided with sewage draining exit, and the sewage draining exit connects the blowdown room;Described thick Filter screen is arranged in the coarse filtration room, and the fie screen connects described coarse strainer one end and arranges in the fine filtering room, described Coarse strainer and the fie screen are cylindrical shape and form backwash chamber with the inner walls;The sewage suction device is arranged at institute State in fine filtering room, the sewage suction device includes blow-off pipe, high-pressure air pipe, dirt sucking tube and exhaustor;Blow-off pipe one end closing, The other end sealing connection blowdown room;The high-pressure air pipe is set in the blow-off pipe, high-pressure air pipe one end closing, The other end is in communication with the outside through the blowdown room and the housing;The dirt sucking tube has some and connects the interior of the blow-off pipe Chamber;The exhaustor has some, inner chamber of the exhaustor through the tube wall and the connection high-pressure air pipe of the blow-off pipe, institute Stating exhaustor includes that straight mouth pipe and curved mouth pipe, the outlet nozzle of the straight mouth pipe fling the inwall setting of the housing, the curved mouth The outlet nozzle of pipe its body vertical is arranged;The feeder includes motor, air pump and air supply pipe;The motor and the air pump Connection, described air supply pipe one end connect the air pump, and the other end connects the high-pressure air pipe.
Used as a kind of preferred technical scheme, the dirt sucking tube is identical with the air slit diameter and quantity is consistent.
Used as a kind of preferred technical scheme, the straight mouth pipe end is provided with hairbrush.
Used as a kind of preferred technical scheme, bending towards for the curved mouth pipe is consistent with inverse/clockwise direction.
As a kind of preferred technical scheme, in the fine filtering room, sensor is provided with, the sensor passes through control circuit Connect the motor drive mechanism and the motor.
As a kind of preferred technical scheme, control valve on the wastewater inlet, pure water inlet and sewage draining exit, is equipped with.
Due to adopting above technical scheme, the invention has the advantages that:
A kind of backwash filter, including housing, motor drive mechanism, coarse strainer, fie screen, sewage suction device and feeder; Flow control plate and sealing plate is provided with the cavity of housing, and the cavity of housing is divided into straining chamber, fine filtering by flow control plate and sealing plate respectively Room and blowdown room;Shell one end is provided with wastewater inlet, and wastewater inlet connects straining chamber, and housing upper end is provided with motor drive mechanism and water purification Outlet, motor drive mechanism connect flow control plate, and pure water inlet connection fine filtering room, housing lower end are provided with sewage draining exit, and sewage draining exit connects blowdown Room;Coarse strainer is arranged in coarse filtration room, and fie screen connects coarse strainer one end and arranges in fine filtering room, and coarse strainer and fie screen are equal Backwash chamber is formed for cylindrical shape and with inner walls;Sewage suction device is arranged in fine filtering room, and sewage suction device includes blow-off pipe, height Air pipe, dirt sucking tube and exhaustor;Blow-off pipe one end is closed, other end sealing connection blowdown room;High-pressure air pipe is set in blowdown In pipe, high-pressure air pipe one end is closed, and the other end is in communication with the outside through blowdown room and housing;Dirt sucking tube has some and connects blowdown The inner chamber of pipe;Exhaustor have some, exhaustor through blow-off pipe tube wall and connect the inner chamber of high-pressure air pipe, exhaustor includes directly Mouth pipe and curved mouth pipe, the outlet nozzle of straight mouth pipe fling the inwall setting of housing, and vertically its body is arranged the outlet nozzle of curved mouth pipe;For Device of air includes motor, air pump and air supply pipe;Motor is connected with air pump, and air supply pipe one end connects air pump, and the other end connects high pressure Trachea.Based on above improvement, when the backwash filter causes to filter sewage, structure itself can be carried out to sewage Filter obtains water purification, and filter efficiency is high, and the impurity for filtering is when reaching certain degree, and itself can carry out backwash will filter Sewage impurity is discharged, so as to continue that sewage is filtered, meanwhile, backwashing time is shorter and uninterruptedly can supply during backwash Water;The coarse strainer being provided with and fie screen can carry out double filtration to sewage, filter more efficient;The flow control plate being provided with is realized anti- While pre-washing function can regulating water flow, and which is controlled using motor drive mechanism, it is achieved that automatization, is not required to artificial control System;The sewage suction device being provided with provides high pressure draught using feeder to which, and when needing to carry out backwash, air-flow passes through high pressure Trachea is discharged through exhaustor, flings the straight mouth pipe of housing tube wall so that high velocity air is directly flushed to inner walls and backwash chamber Interior water forms steam-water mixing, due to the pressure in backwash chamber higher, filtration of the steam-water mixing to being deposited on filter screen inwall Impurity is rinsed, meanwhile, the curved mouth pipe being provided with drives defecator integrally to be rotated in fine filtering room vertically using air-flow Motion, so as to stir the rotation of the water in fine filtering room, is mutually mixed with the water for laterally flowing into, screen wall is washed away;Due to thin Pressure in filter chamber is higher, and the impurity under washing away can be drawn in blow-off pipe by dirt sucking tube, flows into blowdown room through blow-off pipe, most Discharged by sewage draining exit eventually, the sewage suction device being provided with soil pick-up efficiency high in backwash, and cleaned more thoroughly.
In the present invention, dirt sucking tube is identical with air slit diameter and quantity is consistent.Based on above improvement, the dirt sucking tube being provided with Exhaustor quantity, diameter are identical so that the pressure formed in filter during backwash is best to filter gauze cleaning effect, not reason Pressure in backwash filter is caused damage to filter greatly very much in itself.
In the present invention, straight mouth pipe end is provided with hairbrush.Based on above improvement, the hairbrush being provided with can be to filter in backwash Net is cleaned with water so that scavenging effect is more preferably.
In the present invention, bending towards for curved mouth pipe is consistent with inverse/clockwise direction.Based on above improvement, during backwash, it is provided with Curved mouth pipe can drive sewage suction device to rotate, and filter is comprehensively cleaned with water, clean more thorough.
In the present invention, sensor in fine filtering room, is provided with, sensor connects motor drive mechanism and motor by control circuit.It is based on Above improvement, when the impurity filtered in backwash filter reaches specific degrees, i.e., the pressure difference in filter reaches setting During value, filtering just can carry out backwash process by force automatically, it is achieved that the automatization of backwash filter, save manpower thing Power.
In the present invention, control valve on wastewater inlet, pure water inlet and sewage draining exit, is equipped with.Based on above improvement, it is provided with Control valve can be controlled to the discharge of each import and export of backwash filter.
In sum, during backwash of the present invention, cleaning efficiency is high, and cleaning more thoroughly, disclosure satisfy that to sewage water filtration and automatically Change the prescription of blowdown.
Description of the drawings
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete Needed for embodiment or description of the prior art, accompanying drawing to be used is briefly described.In all of the figs, similar element Or part is typically identified by similar reference.In accompanying drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of sewage suction device of the present invention;
Reference:1- housings;2- flow control plates;3- sealing plates;4- straining chambers;5- fine filterings room;
6- blowdowns room;7- backwash chambers;8- wastewater inlets;9- motor drive mechanisms;10- pure water inlets;11- sewage draining exits;12- is thick Filter screen;13- fie screens;14- blow-off pipes;15- high-pressure air pipes;16- dirt sucking tubes;17- exhaustors;18- motors;19- air pumps;20- Air supply pipe.
Specific embodiment
The embodiment of technical solution of the present invention is described in detail below in conjunction with accompanying drawing.Following examples are only used for Technical scheme is described clearly, is therefore intended only as example, and the protection of the present invention can not be limited with this Scope.
As depicted in figs. 1 and 2, the invention provides a kind of backwash filter, including housing 1, motor drive mechanism 9, coarse filtration Net 12, fie screen 13, sewage suction device and feeder;Flow control plate 2 and sealing plate 3,2 He of flow control plate is provided with the cavity of housing 1 The cavity of housing 1 is divided into straining chamber 4, fine filtering room 5 and blowdown room 6 by sealing plate 3 respectively;1 one end of housing is provided with wastewater inlet, dirty Water inlet connects straining chamber 4, and 1 upper end of housing is provided with motor drive mechanism 9 and pure water inlet 10, and motor drive mechanism 9 connects flow control plate 2, only The connection fine filtering of water out 10 room 5,1 lower end of housing are provided with sewage draining exit 11, the connection blowdown of sewage draining exit 11 room 6;Wastewater inlet, water purification go out Control valve is equipped with mouth 10 and sewage draining exit 11;Coarse strainer 12 is arranged in straining chamber 4,12 one end of the connection coarse strainer of fie screen 13 And arrange in fine filtering room 5, coarse strainer 12 and fie screen 13 are cylindrical shape and form backwash chamber 7 with 1 inwall of housing;Soil pick-up Device is arranged in fine filtering room 5, and sewage suction device includes blow-off pipe 14, high-pressure air pipe 15, dirt sucking tube 16 and exhaustor 17;Blow-off pipe 14 one end are closed, other end sealing connection blowdown room 6;High-pressure air pipe 15 is set in blow-off pipe 14,15 1 end seal of high-pressure air pipe Close, the other end is in communication with the outside through blowdown room 6 and housing 1;Dirt sucking tube 16 has inner chamber that is some and connecting blow-off pipe 14;Aerofluxuss Pipe 17 is identical with quantity with the diameter of dirt sucking tube 16, and exhaustor 17 is interior through the tube wall and connection high-pressure air pipe 15 of blow-off pipe 14 Chamber, exhaustor 17 include that straight mouth pipe and curved mouth pipe, the outlet nozzle of straight mouth pipe fling the inwall setting of housing 1, and straight mouth pipe end sets There is hairbrush, vertically its body is arranged and bent towards consistent with inverse/clockwise direction the outlet nozzle of curved mouth pipe;Feeder includes motor 18th, air pump 19 and air supply pipe 20;Motor 18 is connected with air pump 19, and 20 one end of air supply pipe connects air pump 19, and the other end connects high pressure Trachea 15.Sensor is provided with fine filtering room 5, and sensor connects motor drive mechanism 9 and motor 18 by control circuit.
When backwash filter works, sewage is entered through wastewater inlet, filters the miscellaneous of larger particles through coarse strainer 12 Fie screen 13 is reached after matter, and fie screen 13 is by under less granule foreign filter in water;In continuous filter process, fie screen 13 Dirty, impurity in filter water gradually forms impurity screening layer so that fine filtering room 5 forms pressure difference with backwash chamber 7;Sensor Pressure difference signal is received, after pressure reduction reaches the definite value of setting, backwash filter is just realized cleaning automatically depolluting processes.
During automatic backwash, supply water constantly, motor drive mechanism 9 works with motor 18, and sewage draining exit 11 is opened, high tension unit is produced High pressure draught air-flow is imported by high-pressure air pipe 15 by air supply pipe 20, and high pressure draught is discharged through exhaustor 17, direct current Pipe flings 1 inwall of housing and discharges air-flow, and 1 inwall of airflow collision housing recoils, and forms steam-water mixing with the water in backwash chamber 7 Filter screen is cleaned, meanwhile, curved mouth pipe drives sewage suction device unitary rotation using high velocity air so that DC tube is to filter Entirety carry out comprehensively clear, and be arranged at the hairbrush of direct current pipe end also fie screen 13 is carried out deeper into clean with water, reach recoil The purpose that washed filter is cleaned comprehensively, cleaning performance is more preferably;Due to axially rotating for sewage suction device, drive in fine filtering room 5 Water is also axially rotated, and the lateral current entered from wastewater inlet is met with the current of axial rotation so that depositing contaminants are cleaned More comprehensively thoroughly;As sewage draining exit 11 is opened, the pressure in fine filtering room 5 is more than 11 outer pressure of sewage draining exit, the impurity under cleaning Blow-off pipe 14 is sucked by sewage discharge tube, blowdown room 6 is flowed to by blow-off pipe 14, most impurity sewage is discharged to through sewage draining exit 11 afterwards outer Boundary;Structure integrally causes the contaminant removal effectiveness of backwash filter high, cleans more thorough.
After the completion of backwash, motor 18 quits work with motor drive mechanism 9, and sewage draining exit 11 is closed, and backwash filter continues Sewage water filtration is carried out, next backwash process is waited.
Finally it should be noted that:Various embodiments above only in order to technical scheme to be described, rather than a limitation;To the greatest extent Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that:Its according to So the technical scheme described in foregoing embodiments can be modified, or which part or all technical characteristic are entered Row equivalent;And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology The scope of scheme, its all should cover in the middle of the scope of the claim and description of the present invention.

Claims (6)

1. a kind of backwash filter, it is characterised in that:Including housing, motor drive mechanism, coarse strainer, fie screen, sewage suction device and Feeder;
Flow control plate and sealing plate is provided with the cavity of the housing, and the flow control plate and the sealing plate are respectively by the housing Cavity is divided into straining chamber, fine filtering room and blowdown room;The shell one end is provided with wastewater inlet, and the wastewater inlet connection is described thick Filter chamber, the housing upper end are provided with motor drive mechanism and pure water inlet, and the motor drive mechanism connects the flow control plate, and the water purification goes out The mouth connection fine filtering room, the housing lower end are provided with sewage draining exit, and the sewage draining exit connects the blowdown room;
The coarse strainer is arranged in the coarse filtration room, and the fie screen connects described coarse strainer one end and in the fine filtering room Arrange, the coarse strainer and the fie screen are cylindrical shape and form backwash chamber with the inner walls;
The sewage suction device is arranged in the fine filtering room, and the sewage suction device includes blow-off pipe, high-pressure air pipe, dirt sucking tube and row Trachea;Blow-off pipe one end closing, the other end sealing connection blowdown room;The high-pressure air pipe is set in the blow-off pipe Interior, high-pressure air pipe one end closing, the other end are in communication with the outside through the blowdown room and the housing;The dirt sucking tube has Inner chamber that is some and connecting the blow-off pipe;The exhaustor have some, the exhaustor through the blow-off pipe tube wall and The inner chamber of the high-pressure air pipe is connected, the exhaustor includes that straight mouth pipe and curved mouth pipe, the outlet nozzle of the straight mouth pipe fling institute The inwall for stating housing is arranged, and vertically its body is arranged the outlet nozzle of the curved mouth pipe;
The feeder includes motor, air pump and air supply pipe;The motor is connected with the air pump, and described air supply pipe one end connects The air pump is connect, the other end connects the high-pressure air pipe.
2. a kind of backwash filter according to claim 1, it is characterised in that:The dirt sucking tube is straight with the exhaustor Footpath is identical and quantity is consistent.
3. a kind of backwash filter according to claim 1 and 2, it is characterised in that:The straight mouth pipe end is provided with hair Brush.
4. a kind of backwash filter according to claim 1 and 2, it is characterised in that:The curved mouth pipe bend towards with inverse/ Clockwise direction is consistent.
5. a kind of backwash filter according to claim 1 and 2, it is characterised in that:Sensing is provided with the fine filtering room Device, the sensor connect the motor drive mechanism and the motor by control circuit.
6. a kind of backwash filter according to claim 1 and 2, it is characterised in that:The wastewater inlet, pure water inlet Be equipped with control valve on sewage draining exit.
CN201611162601.8A 2016-12-15 2016-12-15 A kind of backwash filter Expired - Fee Related CN106492528B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611162601.8A CN106492528B (en) 2016-12-15 2016-12-15 A kind of backwash filter

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Application Number Priority Date Filing Date Title
CN201611162601.8A CN106492528B (en) 2016-12-15 2016-12-15 A kind of backwash filter

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CN106492528A true CN106492528A (en) 2017-03-15
CN106492528B CN106492528B (en) 2019-02-01

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107448725A (en) * 2017-08-02 2017-12-08 罗厚镇 A kind of piston reverses direction impact type pipeline Anti-chock device and its application method
CN108392876A (en) * 2018-04-20 2018-08-14 大同市金立洁水业有限责任公司 A kind of sewage disinfection treatment precision screen filtration machine
CN110627191A (en) * 2019-09-06 2019-12-31 中信环境技术(广州)有限公司 Pretreatment solid-liquid separation device and method
CN111282324A (en) * 2020-02-25 2020-06-16 中铁隧道集团二处有限公司 Centrifuge backwater processing system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100723175B1 (en) * 2006-06-08 2007-05-30 주식회사 포스코 Apparatus for filtering gell contained within metal-resin solution
TW201043325A (en) * 2009-06-03 2010-12-16 New Century Membrane Technology Co Ltd Water treating device capable of rapidly cleaning filter membrane
JP2015199023A (en) * 2014-04-07 2015-11-12 三浦工業株式会社 Filter device
CN204891356U (en) * 2015-04-27 2015-12-23 浙江诺盾过滤机械有限公司 Full automatic filtration ware
CN105797455A (en) * 2015-12-16 2016-07-27 乌鲁木齐天工兴水环保科技有限公司 Screen filter capable of recycling pollution discharge water and achieving automatic cleaning

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100723175B1 (en) * 2006-06-08 2007-05-30 주식회사 포스코 Apparatus for filtering gell contained within metal-resin solution
TW201043325A (en) * 2009-06-03 2010-12-16 New Century Membrane Technology Co Ltd Water treating device capable of rapidly cleaning filter membrane
JP2015199023A (en) * 2014-04-07 2015-11-12 三浦工業株式会社 Filter device
CN204891356U (en) * 2015-04-27 2015-12-23 浙江诺盾过滤机械有限公司 Full automatic filtration ware
CN105797455A (en) * 2015-12-16 2016-07-27 乌鲁木齐天工兴水环保科技有限公司 Screen filter capable of recycling pollution discharge water and achieving automatic cleaning

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107448725A (en) * 2017-08-02 2017-12-08 罗厚镇 A kind of piston reverses direction impact type pipeline Anti-chock device and its application method
CN107448725B (en) * 2017-08-02 2019-03-08 徐菊红 A kind of piston reverses direction impact type pipeline Anti-chock device and its application method
CN108392876A (en) * 2018-04-20 2018-08-14 大同市金立洁水业有限责任公司 A kind of sewage disinfection treatment precision screen filtration machine
CN110627191A (en) * 2019-09-06 2019-12-31 中信环境技术(广州)有限公司 Pretreatment solid-liquid separation device and method
CN111282324A (en) * 2020-02-25 2020-06-16 中铁隧道集团二处有限公司 Centrifuge backwater processing system

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Termination date: 20191215