CN106110727A - A kind of back flushing type front defecator and water purifier - Google Patents

A kind of back flushing type front defecator and water purifier Download PDF

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Publication number
CN106110727A
CN106110727A CN201610704921.5A CN201610704921A CN106110727A CN 106110727 A CN106110727 A CN 106110727A CN 201610704921 A CN201610704921 A CN 201610704921A CN 106110727 A CN106110727 A CN 106110727A
Authority
CN
China
Prior art keywords
dirt
valve body
back flushing
type front
rotary shaft
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.)
Pending
Application number
CN201610704921.5A
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Chinese (zh)
Inventor
赵刚
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.)
Jiangsu Heng Heng Environmental Technology Co Ltd
Original Assignee
Jiangsu Heng Heng Environmental Technology 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 Jiangsu Heng Heng Environmental Technology Co Ltd filed Critical Jiangsu Heng Heng Environmental Technology Co Ltd
Priority to CN201610704921.5A priority Critical patent/CN106110727A/en
Publication of CN106110727A publication Critical patent/CN106110727A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/11Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13Supported filter elements
    • B01D29/23Supported filter elements arranged for outward flow filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/64Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6407Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
    • B01D29/6415Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a rotary movement with respect to the filtering element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/64Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6469Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
    • B01D29/6476Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or 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
    • B01D35/00Other filtering devices; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • B01D35/04Plug, tap, or cock filters filtering elements mounted in or on a faucet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Other filtering devices; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • B01D35/04Plug, tap, or cock filters filtering elements mounted in or on a faucet
    • B01D35/046Plug, tap, or cock filters filtering elements mounted in or on a faucet the filtering element being mounted in the faucet plug
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2201/00Details relating to filtering apparatus
    • B01D2201/16Valves

Abstract

The invention discloses a kind of back flushing type front structure and water purifier.A kind of back flushing type front defecator of the present invention, including valve body, the top of valve body connects swing handle, the bottom of valve body connects housing, the bottom of housing is provided with sewage draining exit, is coaxially arranged with screen support frame in housing, and the inwall of screen support frame is close to be provided with filter screen;Being coaxially arranged with rotary shaft in screen support frame, the periphery of rotary shaft offers multiple rows of notch vertically, and multiple rows of notch is distributed ringwise, is provided with dirt scraping equipment in each notch, and dirt scraping equipment leans on mutually with the inwall of filter screen;Dirt scraping equipment includes the spaced dirt-scraping plate of axial direction along rotary shaft and hairbrush;Dirt-scraping plate and hairbrush cleaner with the use of make impurity be eliminated, this back flushing type front defecator can the more thorough impurity must removed on filter screen, and easy to install.

Description

A kind of back flushing type front defecator and water purifier
Technical field
The invention belongs to Water warfare field, be specifically related to a kind of back flushing type front defecator and water purifier.
Background technology
People's daily water consumption mostly comes from municipal tap water, but, tap water, before arriving each user, passes through A lot of pipelines, the impurity such as a lot of silts existed inside pipeline, rust, not only can cause brown water and watering equipment control piece Malfunctioning, as tap drips, heat-exchanger pipeline blocks, ruptures, but also can precipitate on pipeline, is on the one hand antibacterial Grow and provide hotbed, on the other hand can form electrification material, they can in a few short months in cause metallic conduit Corrosion or perforation, it is therefore necessary to the above-mentioned tap water containing impurity is carried out filtration treatment.Fore filter is a kind of reliable The device of contaminant filter, be typically mounted at the front end of inlet channel after water meter, a large amount of heavy with guarantee pipe network produces Human body will not be damaged by shallow lake impurity, and concealed pipe, faucet, electrical equipment etc. are played positive protective effect.Typically Fore filter can be divided into four kinds: Washdown type, backpulsing, semi-automatic and full-automatic.
Wherein, backwash type pre-filter is typically mounted at the front end of pipeline, and back flushing type front of the prior art filters Device, including valve body, valve body has water inlet and outlet, and the top of valve body connects swing handle, and the bottom of valve body connects to be had Housing, is coaxially arranged with screen support frame in housing, screen support frame is connected with valve seal, water inlet and screen support frame Inside is connected, and outlet is connected with the inside of housing, and the inwall of screen support frame is close to be provided with filter screen, its duty Belonging to " inner pressed ", i.e. tap water and enter its interior by water inlet, with the increase of rate of water added, its interior forms hydraulic pressure, Penetrating into outer wall by the inwall of filter screen under pressure, water after filtering is flowed out by outlet, in the process, and mud The particulate contaminants such as sand, rust are retained on the filter screen in pipe, and this will have a strong impact on the use of filter.
Summary of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of back flushing type front defecator, this recoil Formula pre-filtering device can the more thorough impurity must removed on filter screen, and easy to install.
For reaching this purpose, the present invention by the following technical solutions:
A kind of back flushing type front defecator, including valve body, described valve body is provided with water inlet and outlet, described valve body Top connects swing handle, and the bottom of described valve body connects housing, is coaxially arranged with screen support frame, institute in described housing Stating screen support frame to be connected with described valve seal, the inwall of described screen support frame is close to be provided with filter screen, and described filter screen props up Being coaxially arranged with rotary shaft in support, the top of described rotary shaft is connected with described swing handle after described valve body, described The bottom of rotary shaft is provided with plug, and described plug is connected with the bottom thread of described screen support frame, the bottom of described housing Being provided with sewage draining exit, described sewage draining exit connects blowdown mouth, rotates described swing handle and makes described plug push against described blowdown mouth, Described sewage draining exit is closed, and rotates backward described swing handle and makes described plug open away from described blowdown mouth, described sewage draining exit, institute The periphery stating rotary shaft offers multiple rows of notch vertically, and described multiple rows of notch is distributed ringwise, is all provided with in each described notch Being equipped with dirt scraping equipment, described dirt scraping equipment leans on mutually with the inwall of described filter screen;Described dirt scraping equipment includes along described rotary shaft The spaced dirt-scraping plate of axial direction and hairbrush, described dirt-scraping plate and described hairbrush in each described notch are that interval sets Putting, described dirt-scraping plate in notch described in adjacent two rows and described hairbrush are for being crisscross arranged, and the bottom of each described dirt-scraping plate sets It is equipped with dirt discharge groove, offers the first through hole at the axle center of described rotary shaft vertically, described rotary shaft is radially arranged Having the second through hole, described second through hole to connect described dirt discharge groove and described first through hole, the impurity in described dirt discharge groove is by described Second through hole introduces described first through hole, and when described sewage draining exit is opened, impurity and described first through hole under described hairbrush brush draw The impurity gone out is discharged by described sewage draining exit.
Wherein, the bottom surface of described dirt discharge groove has the first angle, the angle of described first angle with the radial direction of described rotary shaft Degree is 30 °~80 °.
Wherein, the axis of described second through hole and the radial direction of described rotary shaft have the second angle, described second angle Angle is 30 °~80 °.
Wherein, the number of described notch is even number.
Wherein, position corresponding with the bottom of described drainage screen bracing frame on described housing is provided with step, described Being provided with sealing ring between upper end and the lower end of described drainage screen bracing frame on rank, the lower end of described valve body is propped up with described drainage screen The upper end of support is provided with sealing ring.
Wherein, the lower end of described valve body is provided with connecting portion, and described valve body and described housing are by described connecting portion screw thread Connect.
Wherein, the lower end of described housing is inverted cone-shaped structure.
Wherein, the aperture of described filter screen is 70~90 μm, and described filter screen is food stage stainless (steel) wire or copper mesh.
Wherein, described housing is polycarbonate transparent housing.
The two of the purpose of the present invention are to provide a kind of water purifier, including above-mentioned back flushing type front defecator, this water purification The purifying water effect of machine is good.
Compared with prior art, the invention have the benefit that a kind of back flushing type front defecator of the present invention, normally During work, rotating swing handle and make plug push against blowdown mouth, sewage draining exit is closed, and plug, tight against sewage draining exit, makes sewage draining exit close, water Being flowed out by outlet after strainer filtering after being entered by the water inlet of valve body, the impurity such as silt, rust is retained in filter screen;Turn The periphery of moving axis offers multiple rows of notch vertically, and multiple rows of notch is distributed ringwise, is provided with dirt scraping equipment in each notch, Dirt scraping equipment leans on mutually with the inwall of filter screen;Dirt scraping equipment includes the spaced dirt-scraping plate of axial direction along rotary shaft and hair Brush, dirt-scraping plate in each notch and hairbrush are arranged for interval, dirt-scraping plate in adjacent two emissions groove mouths and hairbrush for being crisscross arranged, During flushing, rotating backward swing handle and make plug open away from blowdown mouth, sewage draining exit, water is entered by water inlet, turning of rotary shaft Moving makes dirt scraping equipment rotate, and dirt-scraping plate and hairbrush brush off the impurity on filter screen, and wherein some impurity accesses and sets on dirt-scraping plate The dirt discharge groove put, the impurity in dirt discharge groove is introduced into, by the second through hole, the first through hole that rotary shaft shaft core position is arranged, row Dirty mouth is discharged, and another part impurity is flowed down through sewage draining exit discharge by current after under dirt-scraping plate and hairbrush brush, and impurity divides Being excluded for two-way, alleviate the pressure of blowdown, dirt-scraping plate and hairbrush is cleaner with the use of make impurity be eliminated simultaneously, Therefore can make that filter screen is cleaned by is more thorough.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of back flushing type front defecator of the present invention;
Fig. 2 is the structural representation of an embodiment of a kind of back flushing type front defecator of the present invention;
Fig. 3 is the structural representation of the cross section of an embodiment of a kind of back flushing type front defecator of the present invention;
Fig. 4 is the structural representation of the dirt-scraping plate of a kind of back flushing type front defecator of the present invention.
Reference is as follows:
1-valve body;2-water inlet;3-outlet;4-swing handle;5-housing;6-sewage draining exit;7-blowdown mouth;8-filter screen props up Support;9-filter screen;10-rotary shaft;11-dirt-scraping plate;12-hairbrush;13-plug;14-sealing ring;15-connecting portion;16-step; 17-dirt discharge groove;18-the first through hole;19-the second through hole.
Detailed description of the invention
Below in conjunction with Fig. 1 to 4 and further illustrate technical scheme by detailed description of the invention.
As it is shown in figure 1, a kind of back flushing type front defecator of the present invention, including valve body 1, valve body 1 is provided with water inlet 2 He Outlet 3, the top of valve body 1 connects swing handle 4, and the bottom of valve body 1 connects housing 5, is coaxially arranged with filter in housing 5 Net bracing frame 8, screen support frame 8 is tightly connected with valve body 1, and the inwall of screen support frame 8 is close to be provided with filter screen 9, water inlet 2 Being connected with the inside of screen support frame 8, outlet 3 is connected with the inside of housing 5, is coaxially arranged with in screen support frame 8 Rotary shaft 10, the top of rotary shaft 10 is connected with swing handle 4 after valve body 1, and the bottom of rotary shaft 10 is provided with plug 13, Plug 13 is connected with the bottom thread of screen support frame 8, and the bottom of housing 5 is provided with sewage draining exit 6, and sewage draining exit 6 connects blowdown Mouth 7, rotates swing handle 4 and makes plug 13 push against blowdown mouth 7, and sewage draining exit 6 is closed, and rotates backward swing handle 4 and makes plug 13 remote From blowdown mouth 7, sewage draining exit 6 is opened;As it is shown on figure 3, the periphery of rotary shaft 10 offers multiple rows of notch vertically, multiple rows of notch in Annular spread, is provided with dirt scraping equipment in each notch, the number of described notch is preferably even number, but number should not mistake Many, prevent from stopping the normal circulation of current;Dirt scraping equipment leans on mutually with the inwall of filter screen 9;Dirt scraping equipment includes along rotary shaft 10 The spaced dirt-scraping plate of axial direction 11 and hairbrush 12, dirt-scraping plate 11 in each notch and hairbrush 12 arrange for interval, Dirt-scraping plate 11 in adjacent two emissions groove mouths and hairbrush 12 are for being crisscross arranged;As shown in Figure 4, the bottom of each dirt-scraping plate 11 is provided with Dirt discharge groove 17;As in figure 2 it is shown, offer the first through hole 18 at the axle center of rotary shaft 10 vertically, radially square in rotary shaft 10 To being provided with the second through hole 19, the second through hole 19 connects dirt discharge groove 17 and the first through hole 18, and the impurity in dirt discharge groove 17 is by second Through hole 19 introduces the first through hole 18;When sewage draining exit 6 is opened, impurity that hairbrush 12 brush is lower and the impurity of the first through hole 18 extraction by Sewage draining exit 6 is discharged.When normally working, rotating swing handle and make plug push against blowdown mouth, sewage draining exit is closed, and plug is tight against blowdown Mouthful, make sewage draining exit close, water is flowed out by outlet after being entered by the water inlet of valve body after strainer filtering, and silt, rust etc. are miscellaneous Matter is retained in filter screen;During flushing, rotating backward swing handle and make plug open away from blowdown mouth, sewage draining exit, water is by intaking Mouth enters, and the rotation of rotary shaft makes dirt scraping equipment rotate, and dirt-scraping plate and hairbrush brush off the impurity on filter screen, and wherein some is miscellaneous Matter accesses the dirt discharge groove arranged on dirt-scraping plate, and the impurity in dirt discharge groove is introduced into rotary shaft shaft core position by the second through hole and arranges The first through hole, discharge at sewage draining exit, another part impurity is by flowing down through arranging by current after under dirt-scraping plate and hairbrush brush Dirty mouth is discharged, and impurity is divided into two-way to be excluded, and alleviates the pressure of blowdown, simultaneously dirt-scraping plate and hairbrush with the use of making impurity Be eliminated is cleaner, and therefore can make that filter screen is cleaned by is more thorough.
Preferably, the bottom surface of dirt discharge groove 17 has the first angle, the angle of the first angle with the radial direction of rotary shaft 10 Degree is 30 °~80 °, such as 30 °, 40 °, 50 °, 60 °, 70 °, 80 °, further, and the axis of the second through hole 19 and rotary shaft 10 Radial direction there is the second angle, the angle of the second angle is 30 °~80 °.It should be noted that described angle is acute angle folder Angle, the setting of the first angle and the second angle facilitates impurity and is discharged more smoothly.
The lower end of valve body 1 is provided with connecting portion 15, and valve body 1 is connected by connecting portion 15 with housing 5.Wherein, on housing 5 with Corresponding position, the bottom of drainage screen bracing frame 8 is provided with step 16, the lower end of the upper end of step 16 and drainage screen bracing frame 8 Between be provided with sealing ring 14, can prevent the impurity discharged from penetrating into the space formed between housing 5 and screen support frame 8, thus anti- The only water after contaminated filter.
Plug 13 for threadeding with blowdown mouth 7, regulates swing handle 4, plug 13 can be made to separate with blowdown mouth 7, filter Impurity in net is discharged with current.Preferably, the lower end of housing 5 is inverted cone-shaped structure, it is simple to impurity is quick, thorough must discharge. Wherein, the lower end of valve body 1 is provided with sealing ring 14 with the upper end of drainage screen bracing frame 8, prevents the water of filtered from leaking into filter The outside of net 9.Preferably, filter screen 9 is food stage stainless (steel) wire or copper mesh, and its filtering accuracy is higher, firm lasting, easy cleaning. The aperture of filter screen 9 is 70~90 μm, and even aperture distribution, can effectively filter out the impurity in water and not affect water Pressure.Housing 5 is polycarbonate transparent housing, makes filter effect very clear.
It addition, the back flushing type front defecator of the present invention to be made water purifier, simple in construction, easy to use.
Above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention's Thought, the most all will change, and this specification content should not be construed as the present invention Restriction.

Claims (10)

1. a back flushing type front defecator, including valve body (1), described valve body (1) is provided with water inlet (2) and outlet (3), The top of described valve body (1) connects swing handle (4), and the bottom of described valve body (1) connects housing (5), described housing (5) Inside being coaxially arranged with screen support frame (8), described screen support frame (8) is tightly connected with described valve body (1), described screen support The inwall of frame (8) is close to be provided with filter screen (9), it is characterised in that be coaxially arranged with rotary shaft in described screen support frame (8) (10), the top of described rotary shaft (10) is connected with described swing handle (4) afterwards through described valve body (1), described rotary shaft (10) bottom is provided with plug (13), and described plug (13) is connected with the bottom thread of described screen support frame (8), described shell The bottom of body (5) is provided with sewage draining exit (6), and described sewage draining exit (6) connects blowdown mouth (7), rotates described swing handle (4) and makes Described plug (13) pushes against described blowdown mouth (7), and described sewage draining exit (6) is closed, and rotates backward described swing handle (4) and makes described Plug (13) is opened away from described blowdown mouth (7), described sewage draining exit (6), and the periphery of described rotary shaft (10) offers vertically Multiple rows of notch, described multiple rows of notch is distributed ringwise, is provided with dirt scraping equipment in each described notch, described dirt scraping equipment with The inwall of described filter screen (9) leans on mutually;Described dirt scraping equipment includes that the axial direction along described rotary shaft (10) is spaced Dirt-scraping plate (11) and hairbrush (12), described dirt-scraping plate (11) and described hairbrush (12) in each described notch they are interval setting, Described dirt-scraping plate (11) in notch described in adjacent two rows and described hairbrush (12) for being crisscross arranged, each described dirt-scraping plate (11) Bottom be provided with dirt discharge groove (17), offer the first through hole (18) at the axle center of described rotary shaft (10) vertically, described turn Radially being provided with the second through hole (19) on moving axis (10), described second through hole (19) connects described dirt discharge groove (17) and institute Stating the first through hole (18), the impurity in described dirt discharge groove (17) is introduced described first through hole (18) by described second through hole (19), When described sewage draining exit (6) is opened, impurity under described hairbrush (12) brush and the impurity drawn of described first through hole (18) are by institute State sewage draining exit (6) to discharge.
A kind of back flushing type front defecator the most according to claim 1, it is characterised in that the end of described dirt discharge groove (17) Face has the first angle with the radial direction of described rotary shaft (10), and the angle of described first angle is 30 °~80 °.
A kind of back flushing type front defecator the most according to claim 1, it is characterised in that described second through hole (19) Axis has the second angle with the radial direction of described rotary shaft (10), and the angle of described second angle is 30 °~80 °.
A kind of back flushing type front defecator the most according to claim 1, it is characterised in that the number of described notch is even Number.
A kind of back flushing type front defecator the most according to claim 1, it is characterised in that described housing (5) is gone up and institute State corresponding position, the bottom of drainage screen bracing frame (8) and be provided with step (16), the upper end of described step (16) and described mistake Sealing ring (14), the lower end of described valve body (1) and described drainage screen bracing frame it is provided with between the lower end of screen support frame (8) (8) upper end is provided with sealing ring (14).
A kind of back flushing type front defecator the most according to claim 1, it is characterised in that the lower end of described valve body (1) Being provided with connecting portion (15), described valve body (1) is threadeded by described connecting portion (15) with described housing (5).
A kind of back flushing type front defecator the most according to claim 1, it is characterised in that the lower end of described housing (5) For inverted cone-shaped structure.
A kind of back flushing type front defecator the most according to claim 1, it is characterised in that the aperture of described filter screen (9) Being 70~90 μm, described filter screen (9) is food stage stainless (steel) wire or copper mesh.
A kind of back flushing type front defecator the most according to claim 1, it is characterised in that described housing (5) is poly-carbon Acid esters transparent shell.
10. a water purifier, including the back flushing type front defecator as described in any one of claim 1~9.
CN201610704921.5A 2016-08-23 2016-08-23 A kind of back flushing type front defecator and water purifier Pending CN106110727A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610704921.5A CN106110727A (en) 2016-08-23 2016-08-23 A kind of back flushing type front defecator and water purifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610704921.5A CN106110727A (en) 2016-08-23 2016-08-23 A kind of back flushing type front defecator and water purifier

Publications (1)

Publication Number Publication Date
CN106110727A true CN106110727A (en) 2016-11-16

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Application Number Title Priority Date Filing Date
CN201610704921.5A Pending CN106110727A (en) 2016-08-23 2016-08-23 A kind of back flushing type front defecator and water purifier

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201470215U (en) * 2009-08-11 2010-05-19 陈万友 Self-purification backwashing filter
CN201776008U (en) * 2010-08-18 2011-03-30 厦门建霖工业有限公司 Back wash structure of filter element
CN202146667U (en) * 2011-03-21 2012-02-22 江苏美淼环保科技有限公司 Backwash type pre-filter
CN102834155A (en) * 2010-03-08 2012-12-19 基伊埃韦斯伐里亚分离机集团有限公司 Self-cleaning filter module
CN102872639A (en) * 2011-07-13 2013-01-16 江苏美淼环保科技有限公司 Flat membrane water purification apparatus with flushing structure, and technology thereof
CN104906855A (en) * 2015-06-27 2015-09-16 许宏娜 Front-mounted backwash filter
CN105268240A (en) * 2010-10-07 2016-01-27 阿迈德水系统有限公司 Fluid filtering unit and system
CN105709479A (en) * 2016-04-27 2016-06-29 中冶赛迪工程技术股份有限公司 Filtering device for slag-washing water of blast furnace
CN206063906U (en) * 2016-08-23 2017-04-05 江苏嘉恒环境科技有限公司 A kind of back flushing type front defecator and water purifier

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201470215U (en) * 2009-08-11 2010-05-19 陈万友 Self-purification backwashing filter
CN102834155A (en) * 2010-03-08 2012-12-19 基伊埃韦斯伐里亚分离机集团有限公司 Self-cleaning filter module
CN201776008U (en) * 2010-08-18 2011-03-30 厦门建霖工业有限公司 Back wash structure of filter element
CN105268240A (en) * 2010-10-07 2016-01-27 阿迈德水系统有限公司 Fluid filtering unit and system
CN202146667U (en) * 2011-03-21 2012-02-22 江苏美淼环保科技有限公司 Backwash type pre-filter
CN102872639A (en) * 2011-07-13 2013-01-16 江苏美淼环保科技有限公司 Flat membrane water purification apparatus with flushing structure, and technology thereof
CN104906855A (en) * 2015-06-27 2015-09-16 许宏娜 Front-mounted backwash filter
CN105709479A (en) * 2016-04-27 2016-06-29 中冶赛迪工程技术股份有限公司 Filtering device for slag-washing water of blast furnace
CN206063906U (en) * 2016-08-23 2017-04-05 江苏嘉恒环境科技有限公司 A kind of back flushing type front defecator and water purifier

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Application publication date: 20161116