CN106422461A - Reverse washing prefilter - Google Patents

Reverse washing prefilter Download PDF

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Publication number
CN106422461A
CN106422461A CN201611114000.XA CN201611114000A CN106422461A CN 106422461 A CN106422461 A CN 106422461A CN 201611114000 A CN201611114000 A CN 201611114000A CN 106422461 A CN106422461 A CN 106422461A
Authority
CN
China
Prior art keywords
upper shell
water inlet
outlet
filter element
reverse direction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201611114000.XA
Other languages
Chinese (zh)
Other versions
CN106422461B (en
Inventor
刘文东
杨贺
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.)
NANJING FANSKI INDUSTRIAL Co Ltd
Original Assignee
NANJING FANSKI INDUSTRIAL 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 NANJING FANSKI INDUSTRIAL Co Ltd filed Critical NANJING FANSKI INDUSTRIAL Co Ltd
Priority to CN201611114000.XA priority Critical patent/CN106422461B/en
Publication of CN106422461A publication Critical patent/CN106422461A/en
Application granted granted Critical
Publication of CN106422461B publication Critical patent/CN106422461B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/114Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/30Filter housing constructions

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention discloses a reverse washing prefilter which comprises a filter element and a shell arranged outside the filter element. The shell comprises an upper shell and a lower shell which are hermetically and integrally connected, a water inlet and a water outlet are formed in the upper shell, a water inlet cavity is formed in the upper shell, the water inlet is communicated with the inside of the water inlet cavity, the water outlet is communicated with the inside of the filter element, the upper shell comprises an upper sealing part and a lower sealing part which are positioned on the upper portion and the lower portion of the water inlet cavity respectively, water through openings are formed in the upper sealing part and the lower sealing part, a conversion rod is inserted into the water inlet cavity, the upper portion of the conversion rod sequentially penetrates the water through opening of the upper sealing part and the top of the upper shell, a sealing gasket for hermetically matching with the water through openings is arranged at the conversion rod between the upper sealing part and the lower sealing part, and a drainage valve is arranged at the bottom of the lower shell. According to the reverse washing prefilter, reverse washing operations are simple, and the filter element does not need to be disassembled, washed or replaced by professional staff.

Description

A kind of reverse direction rinses fore filter
Technical field
The present invention relates to a kind of reverse direction rinses fore filter, can be used for purifying the water in house ornamentation pipeline, belong to water purification Processing technology field.
Background technology
At present, in sanitary ware water purification industry, for thick purified water fore filter product in use, filter The easy dirt deposits of device filter element, cause secondary pollution to water quality, and this is accomplished by carrying out disassembly, cleaning or replacing to filter element.For The disassembly, cleaning of filter element, dismounting is relatively time consuming, is easily damaged filter element, and cleans filter element after dismantling, and not only wastes time and energy, is also less prone to Clean up, need professional to operate simultaneously.Change filter element, then increase the use cost of filter element.And, existing have inverse The fore filter repercussion effect of direction pre-washing function is inconspicuous, and discharge is less, also there is high cost.
Content of the invention
It is an object of the invention to provide a kind of can be used for purify house ornamentation pipeline water there is the inverse of reverse direction pre-washing function Fore filter is rinsed in direction, to solve the troublesome technical problem of fore filter disassembly, cleaning of prior art.
The present invention adopts the following technical scheme that:
A kind of reverse direction rinses fore filter, and including filter element and the housing being arranged on outside filter element, described housing includes sealing The upper shell linking together and lower house, upper shell is provided with water inlet and outlet, is provided with intake antrum in described upper shell, Connect inside described water inlet and intake antrum, described outlet is connected with filter element inside, described upper shell include being located at respectively into The upper seal of water cavity upper and lower and lower seal, described upper seal and lower seal all offer outlet pass, institute State and in intake antrum, be fitted with selector bar, the top of selector bar passes from the outlet pass of upper seal and upper shell top successively, institute State selector bar and be provided with for the sealing gasket with outlet pass sealing cooperation positioned at the position between upper seal and lower seal, described Lower house bottom is provided with blowoff valve.
Described upper shell is arranged on intake antrum periphery, and lower house is arranged on filter element periphery.
Together with intake antrum integrally connected, described water inlet and outlet are all integrally attached to upper shell to described upper shell On.
Described selector bar top is connected with the handwheel being arranged on hull outside.
It is located at outlet outside described upper shell and water inlet is equipped with nut and for being connected on house ornamentation pipeline Articulation, described nut is threaded in outlet and water inlet in upper shell, described articulation connection mutually embedding with nut.
Described articulation is working of plastics or metalwork.
Described articulation is connected or threaded with house ornamentation pipeline welding.
The present invention, in user's just conventional water state, opens outlet, closes blowoff valve, moves down selector bar until close Packing is contacted with lower seal, and now sealing gasket is in sealing contact with the outlet pass in lower seal, and now current are by upper seal On outlet pass enter space between filter element and lower house, water is flowed into inside filter element after flowing through filter element filtering, then by water outlet Mouth flows out for users to use, and this state is filtration condition.When reverse direction rinses state, close outlet, open blowoff valve, to , until sealing gasket is contacted with upper seal, now sealing gasket is in sealing contact with the outlet pass in upper seal for upper mobile selector bar, Now space within the outlet pass entrance filter element in lower seal for the current, current are rinsed to filter element, subsequently into filter Space between core and lower house, the water after cleaning flows through blowoff valve and discharges, and this state cleans state for reverse direction.The present invention's It is according to market practicality and investigation that reverse direction rinses fore filter, is targetedly designed and developed, and so that client is being used In more convenient more fit actual it is not necessary to professional carries out disassembly, cleaning or replacing, the letter of reverse direction flushing operation to filter element Single, while improving filter element service life, do not affect discharge.
Brief description
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is the sectional view of the filter in Fig. 1;
Fig. 3 is filter in Fig. 2 structural representation when reverse direction rinses state;
Fig. 4 is filter in Fig. 2 structural representation in filtration condition.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, the reverse direction of the present embodiment rinses fore filter bag to the structure of an embodiment of the present invention Include
Filter element 1 includes the upper shell 21 being sealed connected together and lower house with the housing being arranged on outside filter element, described housing 22, upper shell 21 is provided with water inlet 3 and outlet 4, is provided with intake antrum 5, described water inlet 3 and water inlet in described upper shell 21 The internal connection in chamber 5, described outlet 4 is internal with filter element 1 connect, described upper shell 21 include respectively positioned at intake antrum 5 top with The upper seal 51 of bottom and lower seal 52, described upper seal 51 and lower seal 52 all offer outlet pass 53, institute State and in intake antrum 5, be fitted with selector bar 6, the top of selector bar 6 is successively from outlet pass and upper shell 21 top of upper seal 51 Pass, the position that described selector bar 6 is located between upper seal 51 and lower seal 52 is provided with for being joined with outlet pass 53 sealing The sealing gasket 2 closing, described lower house 22 bottom is provided with blowoff valve 7.Described upper shell 21 is arranged on intake antrum 5 periphery, lower house 22 are arranged on filter element 1 periphery., together with intake antrum 5 integrally connected, described water inlet 3 and outlet 4 are equal for described upper shell 21 It is integrally attached on upper shell 21.
Described selector bar 6 top is connected with the handwheel 8 being arranged on outside housing 1.Described upper shell 21 is outside to be located at water outlet It is equipped with nut 9 and the articulation 10 for being connected on house ornamentation pipeline 11, described nut 9 is threaded at mouth 4 and water inlet 3 At the outlet 4 in upper shell 21 and water inlet 3, described articulation 10 mutually embedding connection with nut 9.Described articulation 10 is to mould Materials and parts or metalwork.Described articulation 10 is connected or threaded with house ornamentation pipeline 11 welding.
When user just commonly uses water state, the faucet on user's house ornamentation pipeline is opened, and now outlet is open mode, Simultaneously close off blowoff valve, rotate handwheel, make handwheel move down selector bar until sealing gasket is contacted with lower seal, now seal Outlet pass cooperation in sealing contact on pad and lower seal, now current are by the outlet pass entrance filter element in upper seal and housing Between space, water is flowed into inside filter element after flowing through filter element filtering, then flows out to house ornamentation pipeline for users to use by outlet, This state is filtration condition.
Filter when reverse direction rinses state, close by the water outlet piece on user's house ornamentation pipeline, and now outlet is and closes Closed state, opens blowoff valve, rotates handwheel, makes handwheel move up selector bar until sealing gasket is contacted with upper seal, now Outlet pass cooperation in sealing contact on sealing gasket and upper seal, now current are by the outlet pass entrance filter element in lower seal The space in portion, then flows into the space between filter element and lower house, makes current that filter element is rinsed, the current spot after cleaning Discharge through blowoff valve.
It is according to market practicality and investigation that the reverse direction of the present invention rinses fore filter, is targetedly designed out Send out, make client be more convenient in use more to fit reality it is not necessary to professional carries out disassembly, cleaning or replacing to filter element, inverse Direction flushing operation is simple, while improving filter element service life, does not affect discharge.
Ultimate principle and principal character and the advantages of the present invention of the present invention have been shown and described above.The technology of the industry , it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description is originally for personnel The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes Change and improvement both falls within scope of the claimed invention.

Claims (7)

1. a kind of reverse direction rinses fore filter, including filter element(1)With the housing being arranged on outside filter element it is characterised in that: Described housing includes the upper shell being sealed connected together(21)And lower house(22), upper shell(21)It is provided with water inlet(3) And outlet(4), described upper shell(21)In be provided with intake antrum(5), described water inlet(3)With intake antrum(5)Internal connection, institute State outlet(4)With filter element(1)Internal connection, described upper shell(21)Including respectively positioned at intake antrum(5)Upper and lower Upper seal(51)And lower seal(52), described upper seal(51)And lower seal(52)On all offer outlet pass (53), described intake antrum(5)Inside it is fitted with selector bar(6), selector bar(6)Top successively from upper seal(51)Outlet pass And upper shell(21)Top passes, described selector bar(6)Positioned at upper seal(51)And lower seal(52)Between position set Have for outlet pass(53)The sealing gasket of sealing cooperation(2), described lower house(22)Bottom is provided with blowoff valve(7).
2. reverse direction according to claim 1 rinse fore filter it is characterised in that:Described upper shell(21)It is arranged on Intake antrum(5)Periphery, lower house(22)It is arranged on filter element(1)Periphery.
3. reverse direction according to claim 1 rinse fore filter it is characterised in that:Described upper shell(21)With water inlet Chamber(5)Integrally connected together, described water inlet(3)And outlet(4)All it is integrally attached to upper shell(21)On.
4. reverse direction according to claim 1 rinse fore filter it is characterised in that:Described selector bar(6)Top is even It is connected to and be arranged on housing(1)Outside handwheel(8).
5. reverse direction according to claim 1 rinse fore filter it is characterised in that:Described upper shell(21)Outer position In outlet(4)And water inlet(3)Place is equipped with nut(9)Be used for being connected to house ornamentation pipeline(11)On articulation(10), Described nut(9)It is threaded in upper shell(21)In outlet(4)And water inlet(3)Place, described articulation(10)With spiral shell Cap(9)Mutually embedding connection.
6. reverse direction according to claim 5 rinse fore filter it is characterised in that:Described articulation(10)For plastics Part or metalwork.
7. reverse direction according to claim 5 rinse fore filter it is characterised in that:Described articulation(10)With house ornamentation Pipeline(11)Welding connects or threaded.
CN201611114000.XA 2016-12-07 2016-12-07 A kind of reverse direction rinses fore filter Expired - Fee Related CN106422461B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611114000.XA CN106422461B (en) 2016-12-07 2016-12-07 A kind of reverse direction rinses fore filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611114000.XA CN106422461B (en) 2016-12-07 2016-12-07 A kind of reverse direction rinses fore filter

Publications (2)

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CN106422461A true CN106422461A (en) 2017-02-22
CN106422461B CN106422461B (en) 2018-06-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112023480A (en) * 2020-08-31 2020-12-04 浙江巨丰管业有限公司 Preposed pressure-stabilizing back-flushing filter

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022125214A1 (en) * 2022-09-29 2024-04-04 Planetcare D.O.O. Filter device assembly with passive bypass switch unit

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5922199A (en) * 1993-09-15 1999-07-13 Parker Hannifin Corporation Double pass fuel filter assembly
CN204275649U (en) * 2014-10-28 2015-04-22 杭州美固科技有限公司 A kind of backwash fore filter
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
CN104906850A (en) * 2015-05-13 2015-09-16 深圳奥郎格环保有限公司 Bidirectional strong spray washing prefilter
CN204815881U (en) * 2015-06-27 2015-12-02 许宏娜 Forward type back flush filter
CN105688477A (en) * 2016-03-18 2016-06-22 厦门建霖工业有限公司 Prefilter capable of continuously supplying water with valve element detached
CN206262195U (en) * 2016-12-07 2017-06-20 南京菲时特实业有限公司 A kind of reverse direction rinses fore filter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5922199A (en) * 1993-09-15 1999-07-13 Parker Hannifin Corporation Double pass fuel filter assembly
CN204275649U (en) * 2014-10-28 2015-04-22 杭州美固科技有限公司 A kind of backwash fore filter
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
CN104906850A (en) * 2015-05-13 2015-09-16 深圳奥郎格环保有限公司 Bidirectional strong spray washing prefilter
CN204815881U (en) * 2015-06-27 2015-12-02 许宏娜 Forward type back flush filter
CN105688477A (en) * 2016-03-18 2016-06-22 厦门建霖工业有限公司 Prefilter capable of continuously supplying water with valve element detached
CN206262195U (en) * 2016-12-07 2017-06-20 南京菲时特实业有限公司 A kind of reverse direction rinses fore filter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112023480A (en) * 2020-08-31 2020-12-04 浙江巨丰管业有限公司 Preposed pressure-stabilizing back-flushing filter
CN112023480B (en) * 2020-08-31 2022-01-07 上海华盼化工科技有限公司 Preposed pressure-stabilizing back-flushing filter

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