CN106178634B - A kind of efficient sewage-absorbing filter - Google Patents

A kind of efficient sewage-absorbing filter Download PDF

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Publication number
CN106178634B
CN106178634B CN201610744306.7A CN201610744306A CN106178634B CN 106178634 B CN106178634 B CN 106178634B CN 201610744306 A CN201610744306 A CN 201610744306A CN 106178634 B CN106178634 B CN 106178634B
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CN
China
Prior art keywords
soil pick
filter
valve
plate
rigid link
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.)
Active
Application number
CN201610744306.7A
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Chinese (zh)
Other versions
CN106178634A (en
Inventor
汪静
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.)
Hangzhou Jiahang Industrial Co ltd
Zhejiang Hongsheng Technology Transfer Services Co ltd
Original Assignee
Hangzhou Best Sail Industry Co Ltd
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Priority to CN201610744306.7A priority Critical patent/CN106178634B/en
Publication of CN106178634A publication Critical patent/CN106178634A/en
Application granted granted Critical
Publication of CN106178634B publication Critical patent/CN106178634B/en
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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
    • B01D29/01Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • 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
    • 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
    • B01D29/665Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps by using pistons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2201/00Details relating to filtering apparatus
    • B01D2201/08Regeneration of the filter
    • B01D2201/081Regeneration of the filter using nozzles or suction devices
    • B01D2201/082Suction devices placed on the cake side of the filtering element

Abstract

A kind of efficient sewage-absorbing filter is mainly made of filter, soil pick-up component and power cylinder;The filter and power cylinder polished rod gun iron link, the soil pick-up component is arranged inside the filter housings, the movable soil pick-up plate of the soil pick-up component forms annular space with filter core, subregion is pressed in movable soil pick-up plate provided with soil pick-up channel independently, annular space is connect with soil pick-up channel, and fluid passes through cartridge surface at high speed under the action of pressure difference, the dirt for impacting and removing cartridge surface achievees the purpose that clean filter core at circular passage;The soil pick-up component is rigidly connected with power cylinder rigid link, and power cylinder rigid link moves reciprocatingly under the action of Fluid pressure, and soil pick-up plate is pushed to move reciprocatingly in cartridge surface, achievees the purpose that clean the whole branch filter core in subregion.The configuration of the present invention is simple is reliable, easy to operate, and fitting limit is wide, saves and takes up an area, and use cost is low, securely and reliably, carries decontamination, can realize the online decontamination of separate unit filter, detersive efficiency is high and soiling solution amount is few.

Description

A kind of efficient sewage-absorbing filter
Technical field
The present invention relates to art of filters, in particular to a kind of efficient sewage-absorbing filters.
Background technology
When N-1 platform filters work, by the filtration of cartridge surface, the impurity more than its filtering accuracy is blocked fluid It cuts outside, liquid enters downstream by strainer after residual fluid is filtered, and filter is after using a period of time, filter core table Face can accumulate one layer of impurity, and the pressure difference of filter core front and rear sides increases, to trigger Filter Back Washing.Traditional method is:It will 1 filter is placed in backwash state, and remaining N-1 platforms continue to filter.Gas auxiliary backwash:External high pressure gas is introduced, it will This waits for that the fluid inside backwash filter flows counterflow through filter core, and fast evacuation removes the cake layer of cartridge surface accumulation;Filter Liquid backwashes afterwards:The filtered fluid of N-1 platforms is introduced this and waits for backwash filter, flows counterflow through filter core, fast evacuation will filter The cake layer removing of wicking surface accumulation;Gas auxiliary backwash or filter after liquid backwash when, big flow liquid under pressure, Back through the cartridge surface for needing backwash, cake layer is fallen off.Therefore, it is required for using large flow fluid in this way, cause anti- Detergent liquid amount is bigger.Due to containing colloid or pitch metallic substance in fluid, they can be adhered to cartridge surface, cause to backwash Effect is bad, according to the requirement of technique, can introduce the clean fluid that can dissolve these stickums and be soaked for a period of time, then It backwashes again, this part clean fluid treats as waste oil freshening again, and energy consumption is caused to increase with cost.Meanwhile even if big flow Under pressure back through the cartridge surface for needing backwash, since the surface area of whole branch filter core is larger, it is distributed in number The flow velocity for measuring numerous cartridge surfaces for needing backwash can be relatively slow, according to Bernoulli equation it is found that being lost in the pressure of cartridge surface Power is relatively low, unclean so as to cause filter-core back-flushing, i.e. regeneration is not thorough, for a long time, it is necessary to do filter core and be cleaned outside device, i.e., It is first removed out of container, physics and chemical method is then used to wash.In this way, when filter core is cleared up, not only soiling solution amount is big, increases Add energy consumption and cost.
Invention content
The purpose of the present invention is overcoming the deficiencies of existing technologies, a kind of simple and reliable for structure, easy to operate, installation model is provided It encloses extensively, saves and take up an area, use cost is low, securely and reliably, carries decontamination, can realize the online decontamination of separate unit filter, go Sewage-absorbing filter dirty efficient and that soiling solution amount is few.
The present invention is achieved through the following technical solutions:
A kind of efficient sewage-absorbing filter, it is characterised in that:The sewage-absorbing filter is mainly by filter, power cylinder and soil pick-up Component forms;The power cylinder can be hydraulic cylinder, can also be the movable part of other forms so that it can provide power The reciprocating movement of satisfaction activity soil pick-up plate;The filter and power cylinder polished rod gun iron link, the soil pick-up component are arranged in mistake In filter, the movable soil pick-up plate of the soil pick-up component is fixedly connected with rigid link end, the activity soil pick-up plate and the mistake The filter core of filter forms annular space, and subregion is pressed provided with soil pick-up channel independently, soil pick-up in the activity soil pick-up plate plate Passage end connects the annular space that the movable soil pick-up plate is formed with the filter core, and the other end connects the soil pick-up conduit.Into The fluid for entering the sewage-absorbing filter has certain pressure, when opening blowdown valve, at annular space, and the device of filter interior fluid Interior pressure forms differential pressure with the soil pick-up channel for connecting blowdown valve, and fluid passes through filter core and filter core at high speed under the action of differential pressure The dirt of cartridge surface is impacted and is removed on surface, achievees the purpose that clean filter core at circular passage;The activity soil pick-up plate with it is dynamic Power cylinder rigid link is rigidly connected, and power cylinder rigid link moves reciprocatingly under the action of Fluid pressure, and soil pick-up plate is pushed to exist Whole branch cartridge surface in subregion moves reciprocatingly, and achievees the purpose that clean the whole branch filter core in subregion.The suction of the soil pick-up plate Dirty channel subregion setting, can set one or more column filter core per area, can individually open the blowdown of a certain subregion when needed The blowdown valve of valve, other areas is closed, to further increase backwash flow velocity, the filter core of this subregion of individually cleaning;The filter packet Shell, filter core, head end tube sheet and end tube sheet are included, head end tube sheet and end tube sheet, the filter core two are provided in the shell End is separately connected the head end tube sheet and the end tube sheet;The power cylinder includes cylinder body, rigid link, rigid link guiding Bar and piston, the cylinder body rod end are connected with the shell, and the rigid link is hollow stem, and the connection of rigid link one end is lived Plug, the other end are sleeved on rigid link guide rod, and rigid link guide rod one end is fixed on the head end tube sheet, another Rigid link is inserted into end across the end tube sheet;The soil pick-up component includes movable soil pick-up plate, soil pick-up conduit and smooth leads To bar, the activity soil pick-up plate is fixedly connected with rigid link end, and is sleeved on the smooth guide rod, is inhaled with limitation activity The filter core of dirty plate rotation, the movable soil pick-up plate and the filter forms annular space, presses and divides in the activity soil pick-up plate plate Area is provided with soil pick-up channel independently, and soil pick-up passage end connects the annular that the movable soil pick-up plate is formed with the filter core Space, the other end connect the soil pick-up conduit, and the soil pick-up conduit is fixed on the head end tube sheet.It is described activity soil pick-up plate with The annular space that the filter core is formed can be in the outer surface of filter core, when passing through filter element filtering from outside to inside to meet filtrate, clearly Except the impurity of filter core outer surface;Annular space can also be in the inner surface of filter core, to meet filtrate from inside to outside through filtration core mistake When filter, the impurity of filter core inner surface is removed;The non-polished end end set of power cylinder has trimmer valve, power cylinder polished end end Be provided with trimmer valve, which can reduce remove contamination during impact to equipment;The soil pick-up catheter output end is connected with blowdown Valve, the soil pick-up conduit is scalable conduit, with the reciprocating motion of cooperation activity soil pick-up plate.
The sewage-absorbing filter pipeline liquid feeding end connects the first inlet valve, the first inlet valve be separately connected the second inlet valve and Stroke valve, stroke valve are separately connected the non-polished end and the first bleeder valve of the power cylinder, and the first bleeder valve connects decontamination system Pipeline, second inlet valve are separately connected the second bleeder valve and the shell inlet, and the second bleeder valve connects decontamination system Pipeline, the shell inlet are connect with the power cylinder polished end, and leakage fluid dram is provided on the shell, is arranged on leakage fluid dram There is outlet valve;It is provided with differential pressure transmitter between the leakage fluid dram of the shell and the inlet of the shell, uses differential pressure transporting The pressure difference at device observable filter core both ends, the thickness of impurity on filter core is judged with this, judges whether filter core needs to clean;The row It is provided with flowmeter between journey valve and the non-polished end of the power cylinder, to control the opening degree of the second bleeder valve.
The dirt sucking tube, the filter core, the smooth guide rod and the rigid link are parallel to the rigid link Guide rod, the head end tube sheet, filter core end fixed plate and the movable soil pick-up plate are all oriented to perpendicular to the rigid link Bar.Meeting soil pick-up component movable part with this can move back and forth as required.
It is additionally provided with reinforcing rib between the activity soil pick-up plate and the rigid link, to increase its intensity;The filter core For cylindrical filter cartridge;The quantity of the filter core can be multiple, and filter core is meeting filtering requirement and do not influencing movable part movement Under the premise of, as possible it can be arranged, to increase filter element filtering area more.
The end tube sheet and the filter core junction are provided with micromatic setting, to finely tune the flat of filter core and filter center Row degree.
Compared with prior art, the present invention have the advantage that for:
(1)The configuration of the present invention is simple is reliable, easy to operate, and fitting limit is wide, saves and takes up an area, use cost is low, safely may be used It leans on, carries decontamination, can realize the online decontamination of separate unit filter, detersive efficiency is high and soiling solution amount is few.
(2)Speed is controllable in use by the present invention, is impacted to equipment small.
(3)The present invention is of less demanding to internal leakage to external No leakage, of less demanding to fluid.
(4)The present invention may not need external power supply, be not necessarily to electricity consumption.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the structural schematic diagram of the embodiment of the present invention 2.
Fig. 3 is the structural schematic diagram of the embodiment of the present invention 3.
Wherein:1-outlet valve;2-shells;3-blowdown valves;4-head end tube sheets;5-soil pick-up conduits;6-filter cores;7— Rigid link guide rod;8-smooth guide rods;9-movable soil pick-up plates;10-end tube sheets;11-trimmer valves;12-reinforce Muscle;13-rigid links;14-cylinder bodies;15-trimmer valves;16-pistons;17-flowmeters;18-stroke valves;19-the first lets out Put valve;20-the first inlet valve;21-the second inlet valve;22-the second bleeder valve.
Specific implementation mode
The present invention is described in further detail with reference to embodiment, embodiments of the present invention are not limited thereto.
Embodiment 1:
The present invention is provided with a kind of efficient sewage-absorbing filter, mainly by filter, suction to overcome the deficiencies of existing technologies Dirty component and power cylinder composition;The filter and power cylinder polished rod gun iron link, the soil pick-up component are arranged in the filtering Device enclosure interior, the movable soil pick-up plate 9 of the soil pick-up component, which is sleeved on filter core 6 but not with filter core 6, to be contacted, and filter core 6 is inhaled with activity Dirty plate 9 forms annular space, and movable soil pick-up plate 9 is internally provided with soil pick-up channel, and annular space is connect with soil pick-up channel, and fluid exists Under the action of pressure difference, at high speed by 6 surface of filter core 6 and filter core, the dirt on 6 surface of filter core is impacted and removed, wiper ring is reached The purpose of filter core 6 at shape channel;The soil pick-up component is rigidly connected with power cylinder rigid link, and power cylinder rigid link 13 is flowing It moves reciprocatingly under the action of body pressure, soil pick-up plate is pushed to move reciprocatingly on 6 surface of filter core, reach the whole branch in cleaning subregion The purpose of filter core 6.The configuration of the present invention is simple is reliable, easy to operate, and fitting limit is wide, saves and takes up an area, use cost is low, safely may be used It leans on, carries decontamination, can realize the online decontamination of separate unit filter, detersive efficiency is high and soiling solution amount is few.
Embodiment 2:
As shown in Fig. 2, the present embodiment be embodiment 1 on the basis of, a kind of preferred structure is provided:The filter includes shell Body 2, filter core 6, head end tube sheet 4 and end tube sheet 10 are provided with head end tube sheet 4 and end tube sheet 10, the filter in the shell 2 6 both ends of core are separately connected the head end tube sheet 4 and the end tube sheet 10;The power cylinder include cylinder body 14, rigid link 13, Rigid link guide rod 7 and piston 16,14 rod end of the cylinder body are connected and communicate with the shell 2, the rigid link 13 For hollow stem, 13 one end of rigid link connects piston 16, and the other end is sleeved on rigid link guide rod 7, and the rigid link is led It is fixed on the head end tube sheet 4 to 7 one end of bar, the other end passes through the end tube sheet 10, and is inserted into rigid link 13, with about The movement of beam rigid link 13;The soil pick-up component includes movable soil pick-up plate 9, soil pick-up conduit 5 and smooth guide rod 8, the work Dynamic soil pick-up plate 9 is sleeved on the smooth guide rod 8, and the soil pick-up conduit 5 is fixed on the head end tube sheet 4, and the suction Dirty conduit 5 is scalable conduit, is moved back and forth with satisfaction activity soil pick-up plate 9;The activity soil pick-up plate 9 and the rigid link 13 Between be additionally provided with reinforcing rib 12, to increase its intensity.The dirt sucking tube 5, the filter core 6, the smooth guide rod 8 and described Rigid link 13 is parallel to the rigid link guide rod 7, the head end tube sheet 4, filter core end fixed plate 10 and described All perpendicular to the rigid link guide rod 7, meeting soil pick-up component movable part with this can back and forth transport movable soil pick-up plate 9 as required It is dynamic.The end tube sheet 10 and 6 junction of the filter core are provided with micromatic setting, to finely tune the flat of filter core 6 and filter center Row degree.
Embodiment 3:
As shown in figure 3, the present embodiment be embodiment 2 on the basis of, a kind of preferred structure of pipeline and control unit is provided: The sewage-absorbing filter pipeline liquid feeding end connects the first inlet valve 20, and the first inlet valve 20 is separately connected the second inlet valve 21 and row Journey valve 18, stroke valve 18 are separately connected the non-polished end and the first bleeder valve 19 of the power cylinder, and the connection of the first bleeder valve 19 is gone Dirty systematic pipeline, second inlet valve 21 are separately connected 2 inlet of the second bleeder valve 22 and the shell, the second bleeder valve 22 Decontamination system pipeline is connected, 2 inlet of the shell is connect with the power cylinder polished end, and drain is provided on the shell 2 Mouthful, it is provided with outlet valve 1 on leakage fluid dram;Differential pressure change is provided between the leakage fluid dram of the shell 2 and the inlet of the shell 2 Device is sent, flowmeter 17 is provided between the stroke valve 18 and the non-polished end of the power cylinder;The non-polished end end of power cylinder It is provided with trimmer valve 15, power cylinder polished end end set has trimmer valve 11;5 output end of soil pick-up conduit is connected with blowdown valve 3.When the filter only realizes filtering function, outlet valve 1 is opened, inlet valve 20 and inlet valve 21, remaining valve Close All, Fluid enters filter by inlet valve 20 and inlet valve 21, is provided with filter core 6 in filter, fluid passes through 6 surface mistake of filter core Filter acts on, and the impurity more than its filtering accuracy is intercepted at outside, and clean filtrate enters outlet valve 1, filter process by strainer It completes.When removing contamination to the filter right-to-left, blowdown valve 3 and inlet valve 20 are opened, on or off, stroke may be selected in outlet valve 1 18 selectable portion of valve is opened, and need to be controlled according to flow, and 22 alternative portion of bleeder valve is separately or fully closed, is controlled by flowmeter 17 System, the delay of trimmer valve 11 are opened, remaining pass.Fluid enters the non-light of power cylinder by inlet valve 20, stroke valve 18 and flowmeter 17 Rod end pushes piston 16 and the movement of 13 right-to-left of piston rod, makes the pressure rise of fluid in filter, force fluid through filter Core 6 forms annular space with movable soil pick-up plate 9 and enters dirt sucking tube, and fluid is impacted and removed miscellaneous on filter core 6 during flowing Matter is discharged by blowdown valve 3, achievees the purpose that cleaning part filter core 6, movable soil pick-up plate 9 are being filtered under the promotion of piston rod 13 6 surface right-to-left movement of core, achievees the purpose that clean the whole branch filter core 6 in subregion.During being somebody's turn to do, according to fluid through inflow-rate of water turbine The uninterrupted of meter 17, selectable portion is opened or fully closed bleeder valve 22, also may be selected to open outlet valve 1;When piston 16 will be transported When moving left end end, trimmer valve 11 is opened, reduces equipment impact.When the filter is removed contamination from left to right, blowdown valve 3, into Expect that on or off may be selected in valve 20 and inlet valve 21, outlet valve 1,19 alternative portion of bleeder valve is separated or fully closed, by flow control, 22 alternative portion of bleeder valve is separately or fully closed, is controlled by flowmeter 17, and the delay of trimmer valve 15 is opened, remaining pass.Fluid pass through into Expect that valve 20 and inlet valve 21 enter the polished end of power cylinder, makes the pressure rise of fluid in filter, push piston 16 and piston Bar 13 moves from left to right, forces fluid through filter core 6 and enters dirt sucking tube, fluid stream with 9 formation annular space of movable soil pick-up plate The impurity on filter core 6 is impacted and removed during dynamic, is discharged by blowdown valve 3, the mesh of filter core 6 at cleaning circular passage is reached , movable soil pick-up plate 9 moves under the promotion of piston rod 13 in cartridge surface from left to right, reaches the whole branch in cleaning subregion The purpose of filter core 6.During being somebody's turn to do, the uninterrupted of flowmeter 17 is passed through according to fluid, selectable portion is opened or fully closed bleeder valve 22, selectable portion opens bleeder valve 19, also may be selected to open outlet valve 1;When piston 16 will be moved to right end end, open Trimmer valve 15 reduces equipment impact.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest range caused.

Claims (3)

1. a kind of efficient sewage-absorbing filter, it is characterised in that:The sewage-absorbing filter is mainly by filter, power cylinder and soil pick-up group Part forms;The filter and power cylinder polished rod gun iron link, the non-polished end end set of power cylinder have trimmer valve (15), power cylinder polished end end set has trimmer valve(11), the soil pick-up component setting is in filter, the soil pick-up component Movable soil pick-up plate(9)With rigid link(13)End is fixedly connected, the activity soil pick-up plate(9)With the filter core of the filter (6)Form annular space, the activity soil pick-up plate(9)Subregion is pressed in plate provided with soil pick-up channel independently, soil pick-up channel One end connection movable soil pick-up plate(9)With the filter core(6)The annular space of formation, the other end connect soil pick-up conduit(5);Institute It includes shell to state filter(2), filter core(6), head end tube sheet(4)With end tube sheet(10), the shell(2)Inside it is provided with head end Tube sheet(4)With end tube sheet(10), the filter core(6)Both ends are separately connected the head end tube sheet(4)With the end tube sheet (10);The power cylinder includes cylinder body(14), rigid link(13), rigid link guide rod(7)And piston(16), the rigidity Connecting rod(13)For hollow stem, rigid link(13)One end connects piston(16), the other end is sleeved on rigid link guide rod(7)On, The rigid link guide rod(7)One end is fixed on the head end tube sheet(4)On, the other end passes through the end tube sheet(10), And it is inserted into rigid link(13);The soil pick-up component includes movable soil pick-up plate(9), soil pick-up conduit(5)With smooth guide rod(8), The activity soil pick-up plate(9)It is sleeved on the smooth guide rod(8)On, the soil pick-up conduit(5)It is fixed on the head end tube sheet(4) On;The filter core(6)For cylindrical filter cartridge;The end tube sheet(10)With the filter core(6)Junction is provided with micromatic setting; The soil pick-up conduit(5)For scalable conduit, the soil pick-up conduit(5)Output end is connected with blowdown valve(3).
2. a kind of efficient sewage-absorbing filter according to claim 1, it is characterised in that:The sewage-absorbing filter pipeline feed liquor The first inlet valve of end connection(20), the first inlet valve(20)It is separately connected the second inlet valve(21)And stroke valve(18), stroke valve (18)It is separately connected the non-polished end and the first bleeder valve of the power cylinder(19), the first bleeder valve(19)Connect decontamination system pipe Line, second inlet valve(21)It is separately connected the second bleeder valve(22)With the shell(2)Inlet, the second bleeder valve(22) Connect decontamination system pipeline, the shell(2)Inlet is connect with the power cylinder polished end, the shell(2)On be provided with Leakage fluid dram is provided with outlet valve on leakage fluid dram(1);The shell(2)Leakage fluid dram and the shell(2)Inlet between set It is equipped with differential pressure transmitter, the stroke valve(18)It is provided with flowmeter between the non-polished end of the power cylinder(17).
3. a kind of efficient sewage-absorbing filter according to claim 2, it is characterised in that:The soil pick-up conduit(5), the filter Core(6), the smooth guide rod(8)With the rigid link(13)It is parallel to the rigid link guide rod(7), the head End pipe plate(4), the end tube sheet(10)With the movable soil pick-up plate(9)All perpendicular to the rigid link guide rod(7);Institute State movable soil pick-up plate(9)With the rigid link(13)Between be additionally provided with reinforcing rib(12).
CN201610744306.7A 2016-08-26 2016-08-26 A kind of efficient sewage-absorbing filter Active CN106178634B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610744306.7A CN106178634B (en) 2016-08-26 2016-08-26 A kind of efficient sewage-absorbing filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610744306.7A CN106178634B (en) 2016-08-26 2016-08-26 A kind of efficient sewage-absorbing filter

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CN106178634A CN106178634A (en) 2016-12-07
CN106178634B true CN106178634B (en) 2018-07-24

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2278433C (en) * 1999-06-22 2009-12-01 Robert Koopmans Improved filter system
CN2535109Y (en) * 2002-03-29 2003-02-12 黄朝强 Backflushing filter
CN202590455U (en) * 2012-05-28 2012-12-12 张轶伦 Self-cleaning filtering device with N stages of filtering screens
CN202682898U (en) * 2012-07-19 2013-01-23 赵成军 Propeller shaft flow self-cleaning net type irrigation water filtering device
CN103394219B (en) * 2013-08-07 2016-02-10 合肥通用机械研究院 A kind of energy-saving and emission-reduction self-cleaning type filter

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