CN106267964B - 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
CN106267964B
CN106267964B CN201610956293.XA CN201610956293A CN106267964B CN 106267964 B CN106267964 B CN 106267964B CN 201610956293 A CN201610956293 A CN 201610956293A CN 106267964 B CN106267964 B CN 106267964B
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water
cavity
filter
piston plug
cover body
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CN106267964A (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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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters 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
    • B01D29/31—Self-supporting filtering elements
    • B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/665—Regenerating 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

反冲洗式前置水过滤器，属于生活用具领域，包括具有进水口的出水口的盖体及与盖体连接的筒体，筒体内限定有过滤腔体，滤网设置在筒体内并将所述过滤腔体分隔成内过滤腔体和外过滤腔体，进水口与内过滤腔体连通，出水口与外过滤腔体连通；筒体的底部设有排水口，其上设有排水阀，排水口与内过滤腔体连通；所述盖体上设置有能上下移位的活塞堵头和阻隔进水口与出水口连通的隔断块，隔断块上设有连通出水口端与进水口端的流通通道。通过活塞堵头的上下移位分别堵住流通通道和内过滤腔体来控制进水口流入的水流方向，能够实现正冲洗和反冲洗两种清洗方式，提高了滤网的清洗效率。

The backwash type pre-water filter belongs to the field of household appliances, and includes a cover body with a water inlet and a water outlet, and a cylinder body connected with the cover body. The filtration cavity is divided into an inner filtration cavity and an outer filtration cavity, the water inlet communicates with the inner filtration cavity, and the water outlet communicates with the outer filtration cavity. The water outlet is communicated with the inner filter cavity; the cover body is provided with a piston plug that can be displaced up and down, and a partition block that blocks the communication between the water inlet and the water outlet, and the partition block is provided with a flow connecting the water outlet end and the water inlet end. aisle. Through the up and down displacement of the piston plug, the flow channel and the inner filter cavity are respectively blocked to control the water flow direction of the water inlet, which can realize the two cleaning methods of forward flushing and back flushing, and improve the cleaning efficiency of the filter screen.

Description

The preposition water filter of back flush type
Technical field
The invention belongs to life appliance fields, and in particular to a kind of preposition water filtering of back flush type for Drinking Water Device.
Background technique
Fore filter strainer is all made of sintering strainer, since strainer is the element being used for a long time, in filter pipe impurity During, the impurity flushing on strainer is a very important technical barrier.Currently, the flushing that most producers use There are two types of modes: the first is positive backwashing manner (Fig. 1 and Fig. 2), i.e., as the direction of product filtering, process；It is for second Opposite direction backwashing manner (Fig. 3 and Fig. 4) rinses together from interior and outside.
It is all that impurity is rinsed along the direction in former filtering water route using above two mode, the drawbacks of such backwashing manner Have following:
1. rinsing, direction is identical with filtering direction, and flush efficiency is not high, is not thorough.Reason: due to the mistake of water route protector Filter mode is the granule foreign isolated in tap water by the interception of strainer, therefore most granule foreign is all attached to Above strainer, when rinsing direction as filtering direction, these granule foreigns on strainer are protected by the gap of strainer, nothing Method front is rinsed, so punching does not wash clean；
2. strainer rinses not comprehensive enough thorough.Reason: when the surrounding of circular filter screen in product use process can be attached Many impurity, when rinse when, due to water inlet only on one side of strainer, whole strainers can not be cleaned to 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, benefit The automatically cleaning processing for realizing strainer come water (flow) direction with self structure change, for solving backwash water route and filtering water route one When cause, strainer flush efficiency is low in progress backwash process and strainer rinses halfway problem.
To achieve the above object, the present invention is using following technical solution:
The preposition water filter of back flush type, lid including the water outlet with water inlet and is detachably connected ground with lid Cylinder, filter cavity is defined in the cylinder, and strainer is arranged in cylinder and the filter cavity is separated into interior filter chamber Body and outer filter cavity, the water inlet are connected to the interior filter cavity, and the water outlet is connected to outer filter cavity；It is described The bottom of cylinder is equipped with discharge outlet, which is provided with drain valve；The discharge outlet is connected to interior filter cavity；It is characterized by: institute State the water flow conversion equipment that is provided with and water flow can be switched in normal filtering operation and recoil operation on lid；The water flow conversion Device includes: the partition block for obstructing water inlet and being connected to water outlet, the piston plug that can block interior filter cavity, driving piston The top knob that plug shifts up and down, the partition block are equipped with circulation passage, and described circulation passage one end is connected to water outlet, The other end of the circulation passage is located at the upper pan position of piston plug, so that piston plug blocks stream when being located at upper pan position Circulation passage, piston plug block interior filter cavity when being located at lower pan position.
Further, the top knob is located at lid upper end, and is connect by screw rod with piston plug；In the lid Be provided with the internal screw thread cap to match with screw rod, one end of the screw rod is connect with internal screw thread cap, the screw rod it is another One end is fixedly connected with piston plug.
Further, the bottom of the filter cavity is provided with strainer mounting base, and the strainer setting is installed in the strainer On seat, be provided with drain outlet in the strainer mounting base, the drain outlet respectively with interior filter cavity and discharge outlet Connection.
Further, the lid is to be threadedly coupled with cylinder.
Due to the above technical solutions, the present invention has the following advantages over the prior art:
It is logical to block circulation by the displacement up and down of piston plug respectively for the preposition water filter of back flush type provided by the invention Road and interior filter cavity control the water (flow) direction of water inlet inflow, so that strainer is lighter in cleaning, power is bigger, direction More rationally.By the adjusting to above-mentioned water flow, it can be realized two kinds of cleaning ways of positive flushing and backwash, rinse sales volume improving While, washing time is shortened, and then saved rinse water.
Detailed description of the invention
Fig. 1 is the filtration condition schematic diagram just rinsed in the prior art.
Fig. 2 is the blowdown status diagram just rinsed in the prior art.
Fig. 3 is the filtration condition schematic diagram that opposite direction rinses in the prior art.
Fig. 4 is the blowdown status diagram that opposite direction rinses in the prior art.
Fig. 5 is filtration condition schematic diagram provided by the invention.
Fig. 6 is blowdown status diagram provided by the invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments:
Embodiment:
In conjunction with shown in Fig. 5 and Fig. 6: the preposition water filter of back flush type, including the water outlet 1-2's with water inlet 1-1 Lid 1 and with lid 1 be detachably connected ground cylinder 2(in the present embodiment lid with cylinder to be threadedly coupled, it can also be used His connection type, such as snaps connection), define filter cavity in the cylinder 2, strainer 3 is arranged in cylinder 2 and by the mistake Filter chamber body is separated into interior filter cavity 4 and outer filter cavity 5, and the water inlet 1-1 is connected to the interior filter cavity 4, described Water outlet 1-2 is connected to outer filter cavity 5；The bottom of the cylinder 2 is equipped with discharge outlet 7, which is provided with drain valve 8；The row The mouth of a river 7 is connected to interior filter cavity 4.In order to improve the stability of the placement of strainer 3, the bottom of the filter cavity is provided with strainer Mounting base 6, the strainer 3 are arranged in the strainer mounting base 6, are provided with drain outlet in the strainer mounting base 6, The drain outlet is connected to interior filter cavity 4 and discharge outlet 7 respectively.The strainer mounting base 6 other than drain outlet other Position is entity, and water flow can not pass through.
In order to realize the cleaner of the cleaning to strainer, being provided on the lid 1 can be by water flow in normal filtering operation With the water flow conversion equipment of recoil operation switching.Specifically:
The water flow conversion equipment includes: the partition block for obstructing water inlet and being connected to water outlet, can block up interior filter cavity 4 The top knob 10 that piston plug 11, about 11 piston plug of driving firmly shifts, the partition block are equipped with circulation passage 9, Described 9 one end of circulation passage is connected to water outlet 1-2, and the other end of the circulation passage 9 is located at the upper displacement of piston plug 11 Place is set, so that piston plug 11 blocks circulation passage 9 when being located at upper pan position, piston plug 11 is blocked interior when being located at lower pan position Filter cavity 4.
Furthermore, it is understood that the top knob 10 is located at 1 upper end of lid, and it is connect by screw rod with piston plug 11； The internal screw thread cap to match with screw rod is provided in the lid 1, one end of the screw rod is connect with internal screw thread cap, described The other end of screw rod is fixedly connected with piston plug.
As shown in figure 5, (being filtered to water) when being in filtration condition, piston plug is located at upper pan position, blocks stream Circulation passage entrance opens the entrance of interior filter cavity.Untreated raw water enters from the inlet interior (i.e. interior filter chamber Body), water flow is flowed out from the interior of strainer, and strainer is filtered processing to raw water during this, and by the miscellaneous of filtering Matter stays in inside strainer.Treated, and water is flowed out through water outlet.
As shown in fig. 6, (clearing up the impurity on strainer) when being in blowdown state, piston plug is located at lower displacement It sets, blocks the entrance of interior filter cavity, open circulation passage entrance.Water flow for cleaning enters and traveling along stream from water inlet Circulation passage enters (i.e. outer filter cavity) outside strainer, and water flow can internally be permeated from the outside of strainer, will be according to during this The impurity being attached on strainer is detached from.Drain valve is opened simultaneously, water, which flows through, flows out and take away impurity at drain valve, to realize to filter The cleaning of net.
When carrying out reverse cleaning to strainer, positive backwashing manner shown in Fig. 2 also may be implemented, specific as follows: piston is stifled Head is located at upper pan position, blocks circulation passage entrance, opens the entrance of interior filter cavity；Open simultaneously drain valve.For cleaning Water flow be directly entered interior (i.e. in filter cavity) from water inlet, the impurity on strainer inner wall will be attached to through drain valve Discharge.
Only highly preferred embodiment of the present invention is described above, but is not to be construed as limiting the scope of the invention.This Invention is not limited only to above embodiments, and various changes made within the protection scope of the independent claims of the invention are at this In the protection scope of invention.

Claims (2)

1.反冲洗式前置水过滤器，包括具有进水口和出水口的盖体及与盖体可拆卸连接的筒体，所述筒体内限定有过滤腔体，滤网设置在筒体内并将所述过滤腔体分隔成内过滤腔体和外过滤腔体，所述进水口与所述内过滤腔体连通，所述出水口与外过滤腔体连通；所述筒体的底部设有排水口，其上设有排水阀；所述排水口与内过滤腔体连通；其特征在于：所述盖体上设置有能将水流在正常过滤操作和反冲操作切换的水流转换装置；1. A backwash type pre-water filter, including a cover body with a water inlet and a water outlet, and a cylinder body detachably connected to the cover body, the cylinder body defines a filter cavity, and the filter screen is arranged in the cylinder body and The filtration cavity is divided into an inner filtration cavity and an outer filtration cavity, the water inlet communicates with the inner filtration cavity, and the water outlet communicates with the outer filtration cavity; the bottom of the cylinder is provided with drainage There is a drain valve on it; the drain port is communicated with the inner filter cavity; it is characterized in that: the cover body is provided with a water flow conversion device that can switch the water flow between the normal filtering operation and the backflushing operation; 所述水流转换装置包括：阻隔进水口与出水口连通的隔断块、能将内过滤腔体堵住的活塞堵头、驱动活塞堵头上下移位的顶部旋钮，所述隔断块上设有流通通道，所述流通通道一端与出水口连通，所述流通通道的另一端位于活塞堵头的上移位置处，使得活塞堵头位于上移位置时堵住流通通道，活塞堵头位于下移位置时堵住内过滤腔体；The water flow conversion device includes: a partition block that blocks the communication between the water inlet and the water outlet, a piston plug that can block the inner filter cavity, and a top knob that drives the piston plug to move up and down. One end of the circulation channel is communicated with the water outlet, and the other end of the circulation channel is located at the upward moving position of the piston plug, so that when the piston plug is at the upward moving position, the circulation channel is blocked, and the piston plug is at the downward moving position. When blocking the inner filter cavity; 所述顶部旋钮位于盖体上端，并通过螺旋杆与活塞堵头连接；所述盖体内设置有与螺旋杆相匹配的内螺纹帽，所述螺旋杆的一端与内螺纹帽连接，所述螺旋杆的另一端与活塞堵头固定连接；The top knob is located at the upper end of the cover body and is connected to the piston plug through a screw rod; the cover body is provided with an internal threaded cap matching the screw rod, one end of the screw rod is connected with the internal threaded cap, and the screw The other end of the rod is fixedly connected with the piston plug; 所述过滤腔体的底部设置有滤网安装座， 所述滤网设置在所述滤网安装座上，位于所述滤网安装座内设置有排污通道，所述排污通道分别与内过滤腔体和排水口连通。The bottom of the filter cavity is provided with a filter screen mounting seat, the filter screen is arranged on the filter screen mounting seat, and a sewage discharge channel is arranged in the filter screen mounting seat, and the sewage discharge channel is respectively connected with the inner filter cavity. The body and the drain are connected. 2.根据权利要求1所述的反冲洗式前置水过滤器，其特征在于：所述盖体与筒体为螺纹连接。2 . The backwash type pre-water filter according to claim 1 , wherein the cover body and the cylinder body are threadedly connected. 3 .
CN201610956293.XA 2016-10-28 2016-10-28 The preposition water filter of back flush type Active CN106267964B (en)

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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
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
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CN112121558B (en) * 2020-09-30 2021-12-14 四川凤生纸业科技股份有限公司 Pulping waste gas recovery method and system
CN112169407A (en) * 2020-10-22 2021-01-05 佛山市芯耀环保科技有限公司 Water purifier for faucet
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CN112586526A (en) * 2020-12-15 2021-04-02 邵先桥 Direct-reading precision liquid metering water feeder
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Denomination of invention: Rinse type pre-filter for water Water filter with backwashing function Pre-filter for water with backwash system

Granted publication date: 20190115

Pledgee: Jiangsu Shuyang Rural Commercial Bank Co.,Ltd.

Pledgor: JIANGSU CHUNRUN ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD.

Registration number: Y2025980055669