CN106267964A - The preposition water filter of back flush type - Google Patents

The preposition water filter of back flush type Download PDF

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Publication number
CN106267964A
CN106267964A CN201610956293.XA CN201610956293A CN106267964A CN 106267964 A CN106267964 A CN 106267964A CN 201610956293 A CN201610956293 A CN 201610956293A CN 106267964 A CN106267964 A CN 106267964A
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China
Prior art keywords
cavity
filter
outlet
filter screen
lid
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CN201610956293.XA
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CN106267964B (en
Inventor
李强
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Jiangsu Pure Environmental Protection Technology Co Ltd
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Jiangsu Pure Environmental Protection Technology Co Ltd
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Priority to CN201610956293.XA priority Critical patent/CN106267964B/en
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    • 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
    • B01D29/31Self-supporting filtering elements
    • B01D29/35Self-supporting 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
    • B01D29/62Regenerating 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

The preposition water filter of back flush type, belong to life appliance field, including the lid of outlet with water inlet and the cylinder being connected with lid, filter cavity is defined in cylinder, filter screen is arranged in cylinder and described filter cavity is separated into inner filtration cavity and outer filter cavity, water inlet connects with inner filtration cavity, and outlet connects with outer filter cavity;The bottom of cylinder is provided with discharge outlet, which is provided with drain valve, and discharge outlet connects with inner filtration cavity;It is provided with the partition block that the piston plug that can shift up and down connects with outlet with obstruct water inlet on described lid, cuts off the circulation passage being communicated with water outlet end and inlet end on block.Circulation passage is blocked respectively and inner filtration cavity controls the water (flow) direction that water inlet flows into, it is possible to realize just rinsing and two kinds of cleaning ways of backwash, improve the cleaning efficiency of filter screen by shifting up and down of piston plug.

Description

The preposition water filter of back flush type
Technical field
The invention belongs to life appliance field, be specifically related to a kind of preposition water filtration of the back flush type for Drinking Water Device.
Background technology
Fore filter filter screen all uses sintering filter screen, owing to filter screen is the element of life-time service, at filter pipe impurity During, it is very important technology barriers that the impurity on filter screen rinses.At present, the flushing that overwhelming majority producer uses Mode has two kinds: the first is positive backwashing manner (Fig. 1 and Fig. 2), the direction i.e. filtered with product, as flow process;The second is Opposite direction backwashing manner (Fig. 3 and Fig. 4), rinses together with outside from its interior.
Using above two mode is all to rinse impurity, the drawback of such backwashing manner along the direction in former filtration water route Have following:
1. rinsing direction identical with filtering direction, flush efficiency is the highest, the most thoroughly.Reason: due to the filtration side of water route protector Formula is the granule foreign isolating in tap water by the interception of filter screen, and the most most granule foreign is all attached to filter screen Above, the when that flushing direction being the same with filtering direction, these granule foreigns on filter screen are protected by the space of filter screen, it is impossible to just Face is rinsed, so punching does not washes clean;
2. what filter screen rinsed is not comprehensively thorough.Reason: the surrounding of circular filter screen can be adhered to very during product uses Many impurity, when rinsing when, owing to water inlet is at filter screen, it is impossible to clean to whole filter screen completely.
Summary of the invention
For the deficiencies in the prior art, the purpose of the present invention is directed to the preposition water filter of back flush type, profit Change the automatically cleaning process carrying out water (flow) direction to realize filter screen by self structure, be used for solving backwash water route and filtering water route one During cause, carry out that filter screen flush efficiency in backwash process is low and filter screen rinses halfway problem.
For achieving the above object, the present invention uses such as purgation technical scheme:
The preposition water filter of back flush type, including have water inlet outlet lid and with lid removably connect ground cylinder Body, defines filter cavity in described cylinder, in filter screen is arranged on cylinder and described filter cavity is separated into inner filtration cavity With outer filter cavity, described water inlet connects with described inner filtration cavity, and described outlet connects with outer filter cavity;Described cylinder The bottom of body is provided with discharge outlet, which is provided with drain valve;Described discharge outlet connects with inner filtration cavity;It is characterized in that: described Being provided with on lid can be by current at normal filtering operation and the current conversion equipment of recoil operation switching;Described water stream conversion Put and include: what obstruct water inlet connected with outlet cuts off block, the piston plug that can be blocked by inner filtration cavity, drives piston to block up The top knob that head shifts up and down, described partition block is provided with circulation passage, and described circulation passage one end connects with outlet, institute The other end stating circulation passage is positioned at the upper pan position of piston plug so that piston plug blocks circulation when being positioned at pan position Passage, piston plug blocks inner filtration cavity when being positioned at lower pan position.
Further, described top knob is positioned at lid upper end, and is connected with piston plug by screw rod;In described lid Being provided with the female thread cap matched with screw rod, one end of described screw rod is connected with female thread cap, described screw rod another One end is fixing with piston plug to be connected.
Further, the bottom of described filter cavity is provided with filter screen mounting seat, and described filter screen is arranged on described filter screen and installs On seat, be positioned at described filter screen mounting seat and be provided with drain outlet, described drain outlet respectively with inner filtration cavity and discharge outlet Connection.
Further, described lid with cylinder for threadeding.
Owing to technique scheme is used, the present invention compared with prior art has the advantage that
The present invention provide the preposition water filter of back flush type, by the displacement up and down of piston plug block respectively circulation passage and Inner filtration cavity controls the water (flow) direction that water inlet flows into so that filter screen is lighter when cleaning, and power is bigger, and direction is more closed Reason.By the regulation to above-mentioned current, it is possible to realize just rinsing and two kinds of cleaning ways of backwash, rinse the same of sales volume improving Time, shorten washing time, and then save wash water.
Accompanying drawing explanation
Fig. 1 is the filtration condition schematic diagram just rinsed in prior art.
Fig. 2 is the blowdown view just rinsed in prior art.
Fig. 3 is the filtration condition schematic diagram that in prior art, opposite direction is rinsed.
Fig. 4 is the blowdown view that in prior art, opposite direction is rinsed.
The filtration condition schematic diagram that Fig. 5 provides for the present invention.
The blowdown view that Fig. 6 provides for the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the invention will be further described:
Embodiment:
Shown in Fig. 5 and Fig. 6: the preposition water filter of back flush type, including the lid 1 of the outlet 1-2 with water inlet 1-1 And the ground cylinder 2(lid in the present embodiment that removably connects with lid 1 with cylinder for threadeding, it would however also be possible to employ other companies Connect mode, as snapped connection), define filter cavity in described cylinder 2, in filter screen 3 is arranged on cylinder 2 and by described filter chamber Body is separated into inner filtration cavity 4 and outer filter cavity 5, and described water inlet 1-1 connects with described inner filtration cavity 4, described water outlet Mouth 1-2 connects with outer filter cavity 5;The bottom of described cylinder 2 is provided with discharge outlet 7, which is provided with drain valve 8;Described discharge outlet 7 Connect with inner filtration cavity 4.In order to improve the stability that filter screen 3 is placed, the bottom of described filter cavity is provided with filter screen and installs Seat 6, described filter screen 3 is arranged in described filter screen mounting seat 6, is positioned at described filter screen mounting seat 6 and is provided with drain outlet, described Drain outlet connects with inner filtration cavity 4 and discharge outlet 7 respectively.Described filter screen mounting seat 6 other positions in addition to drain outlet For entity, current cannot pass through.
In order to realize the cleaner of the cleaning to filter screen, described lid 1 is provided with can be by current at normal filtering operation Current conversion equipment with recoil operation switching.Specifically:
Described current conversion equipment includes: intercepts partition block that water inlet connects with outlet, can be blocked by inner filtration cavity 4 The top knob 10 that piston plug 11, driving piston plug about 11 shift, described partition block is provided with circulation passage 9, described Circulation passage 9 one end connects with outlet 1-2, and the other end of described circulation passage 9 is positioned at the upper pan position of piston plug 11, Making piston plug 11 block circulation passage 9 when being positioned at pan position, piston plug 11 blocks inner filtration when being positioned at lower pan position Cavity 4.
Furthermore, it is understood that described top knob 10 is positioned at lid 1 upper end, and it is connected with piston plug 11 by screw rod; Being provided with the female thread cap matched with screw rod in described lid 1, one end of described screw rod is connected with female thread cap, described The other end of screw rod is fixing with piston plug to be connected.
As it is shown in figure 5, (filter water) when being in filtration condition, piston plug is positioned at pan position, blocks stream Circulation passage entrance, opens the entrance of inner filtration cavity.Undressed former water enters its interior (i.e. inner filtration chamber from water inlet Body), current flow out from the interior of filter screen, and during this, filter screen carries out filtration treatment to former water, and miscellaneous by filter Matter is stayed inside filter screen.Water after process flows out through outlet.
As shown in Figure 6, (clearing up the impurity on filter screen) when being in blowdown state, piston plug is positioned at lower displacement Put, block the entrance of inner filtration cavity, open circulation passage entrance.Current for cleaning enter and traveling along stream from water inlet It is outside (outer filter cavity) that circulation passage enters filter screen, and current can internally permeate from the outside of filter screen, will depend on during this The impurity being attached on filter screen departs from.Opening drain valve, water flows through and flows out and take away impurity at drain valve, thus realizes filter simultaneously The cleaning of net.
When filter screen is carried out reverse cleaning, it is also possible to realize the positive backwashing manner shown in Fig. 2, specific as follows: piston blocks up Head is positioned at pan position, blocks circulation passage entrance, opens the entrance of inner filtration cavity;Open drain valve simultaneously.For cleaning Current be directly entered its interior (i.e. inner filtration cavity) from water inlet, by the impurity that is attached on filter screen inwall through drain valve Discharge.
Below only highly preferred embodiment of the present invention is described, but is not to be construed as limitations on claims.This Invention is not limited only to above example, and all various changes made in the protection domain of independent claims of the present invention are all at this In the protection domain of invention.

Claims (4)

1. the preposition water filter of back flush type, including have water inlet outlet lid and with lid removably connect ground cylinder Body, defines filter cavity in described cylinder, in filter screen is arranged on cylinder and described filter cavity is separated into inner filtration cavity With outer filter cavity, described water inlet connects with described inner filtration cavity, and described outlet connects with outer filter cavity;Described cylinder The bottom of body is provided with discharge outlet, which is provided with drain valve;Described discharge outlet connects with inner filtration cavity;It is characterized in that: described Being provided with on lid can be by current at normal filtering operation and the current conversion equipment of recoil operation switching;
Described current conversion equipment includes: intercepts partition block that water inlet connects with outlet, can be blocked by inner filtration cavity The top knob that piston plug, driving piston plug shift up and down, described partition block is provided with circulation passage, described circulation passage One end connects with outlet, and the other end of described circulation passage is positioned at the upper pan position of piston plug so that piston plug position Blocking circulation passage when upper pan position, piston plug blocks inner filtration cavity when being positioned at lower pan position.
The preposition water filter of back flush type the most according to claim 1, it is characterised in that: described top knob is positioned at lid Upper end, and be connected with piston plug by screw rod;The female thread cap matched with screw rod it is provided with in described lid, described One end of screw rod is connected with female thread cap, and the other end of described screw rod is fixing with piston plug to be connected.
The preposition water filter of back flush type the most according to claim 1, it is characterised in that: the bottom of described filter cavity sets Being equipped with filter screen mounting seat, described filter screen is arranged in described filter screen mounting seat, is positioned at described filter screen mounting seat and is provided with blowdown Passage, described drain outlet connects with inner filtration cavity and discharge outlet respectively.
The preposition water filter of back flush type the most according to claim 1, it is characterised in that: described lid and cylinder are screw thread Connect.
CN201610956293.XA 2016-10-28 2016-10-28 The preposition water filter of back flush type Active CN106267964B (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107224768A (en) * 2017-07-26 2017-10-03 德清水方环保科技有限公司 Band backwashing water filter
CN107389421A (en) * 2017-08-11 2017-11-24 苏州卫水环保科技有限公司 One kind combination pretreatment unit
CN107376448A (en) * 2017-09-12 2017-11-24 无锡市凡宇水处理机械制造有限公司 Possesses the filter vat that purifies water of self-cleaning cleaning function
CN107754420A (en) * 2017-09-26 2018-03-06 海宁市水享净水设备有限公司 A kind of new fore filter
CN108126390A (en) * 2017-12-26 2018-06-08 浙江沁园水处理科技有限公司 A kind of fore filter with helicoidal structure
CN108273317A (en) * 2018-03-16 2018-07-13 浙江艾默樱网络科技有限公司 A kind of recoil fore filter with multi-filtering function
CN108635935A (en) * 2018-05-09 2018-10-12 海宁美康环保科技有限公司 A kind of cleaning method of fore filter
CN109276936A (en) * 2018-09-28 2019-01-29 苏州丹顿机电有限公司 A kind of backwashed filtration cock
CN110433548A (en) * 2019-07-18 2019-11-12 厦门润创远工贸有限公司 One kind rotatably can back flush filter and its control method
CN112121558A (en) * 2020-09-30 2020-12-25 四川凤生纸业科技股份有限公司 Pulping waste gas recovery method and system
CN112516654A (en) * 2020-11-25 2021-03-19 贾妍楠 Sewage filtering device
CN112586526A (en) * 2020-12-15 2021-04-02 邵先桥 Direct-reading precision liquid metering water feeder
CN112791486A (en) * 2021-01-03 2021-05-14 海南宝秀节水科技股份有限公司 Automatic back flush filter
CN113266334A (en) * 2021-06-29 2021-08-17 吉林大学 Oil shale in-situ mining underground backwashing sieving separation device
CN113730985A (en) * 2021-09-22 2021-12-03 南京飞婕环保科技有限公司 Automatic abluent filter

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JP2012139635A (en) * 2010-12-28 2012-07-26 Mizuno Strainer Kogyo Kk Backwash filtering device
US20130255202A1 (en) * 2010-10-07 2013-10-03 Amiad Water Systems Ltd. Fluid filtering unit and system
CN103372341A (en) * 2012-04-17 2013-10-30 3M创新有限公司 Back-flush-type preposed water filter
CN203620353U (en) * 2013-12-23 2014-06-04 张露林 Forward and backward washing prefilter
CN204293942U (en) * 2014-12-12 2015-04-29 广州亨龙机电股份有限公司 A kind of automatic back flush filtration structure
CN205252655U (en) * 2015-11-27 2016-05-25 厦门建霖工业有限公司 Back flush structure of filter
CN206168031U (en) * 2016-10-28 2017-05-17 江苏纯润环保科技有限公司 Back -flush -type preposed water filter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130255202A1 (en) * 2010-10-07 2013-10-03 Amiad Water Systems Ltd. Fluid filtering unit and system
JP2012139635A (en) * 2010-12-28 2012-07-26 Mizuno Strainer Kogyo Kk Backwash filtering device
CN103372341A (en) * 2012-04-17 2013-10-30 3M创新有限公司 Back-flush-type preposed water filter
CN203620353U (en) * 2013-12-23 2014-06-04 张露林 Forward and backward washing prefilter
CN204293942U (en) * 2014-12-12 2015-04-29 广州亨龙机电股份有限公司 A kind of automatic back flush filtration structure
CN205252655U (en) * 2015-11-27 2016-05-25 厦门建霖工业有限公司 Back flush structure of filter
CN206168031U (en) * 2016-10-28 2017-05-17 江苏纯润环保科技有限公司 Back -flush -type preposed water filter

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107224768A (en) * 2017-07-26 2017-10-03 德清水方环保科技有限公司 Band backwashing water filter
CN107389421A (en) * 2017-08-11 2017-11-24 苏州卫水环保科技有限公司 One kind combination pretreatment unit
CN107376448A (en) * 2017-09-12 2017-11-24 无锡市凡宇水处理机械制造有限公司 Possesses the filter vat that purifies water of self-cleaning cleaning function
CN107754420B (en) * 2017-09-26 2023-04-28 杭州水享智能科技集团有限公司 Novel pre-filter
CN107754420A (en) * 2017-09-26 2018-03-06 海宁市水享净水设备有限公司 A kind of new fore filter
CN108126390A (en) * 2017-12-26 2018-06-08 浙江沁园水处理科技有限公司 A kind of fore filter with helicoidal structure
CN108273317A (en) * 2018-03-16 2018-07-13 浙江艾默樱网络科技有限公司 A kind of recoil fore filter with multi-filtering function
CN108635935A (en) * 2018-05-09 2018-10-12 海宁美康环保科技有限公司 A kind of cleaning method of fore filter
CN109276936A (en) * 2018-09-28 2019-01-29 苏州丹顿机电有限公司 A kind of backwashed filtration cock
CN110433548A (en) * 2019-07-18 2019-11-12 厦门润创远工贸有限公司 One kind rotatably can back flush filter and its control method
CN112121558A (en) * 2020-09-30 2020-12-25 四川凤生纸业科技股份有限公司 Pulping waste gas recovery method and system
CN112516654A (en) * 2020-11-25 2021-03-19 贾妍楠 Sewage filtering device
CN112586526A (en) * 2020-12-15 2021-04-02 邵先桥 Direct-reading precision liquid metering water feeder
CN112791486A (en) * 2021-01-03 2021-05-14 海南宝秀节水科技股份有限公司 Automatic back flush filter
CN113266334A (en) * 2021-06-29 2021-08-17 吉林大学 Oil shale in-situ mining underground backwashing sieving separation device
CN113730985A (en) * 2021-09-22 2021-12-03 南京飞婕环保科技有限公司 Automatic abluent filter

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