CN106110728A - Flow direction conversion control and backwash fore filter - Google Patents
Flow direction conversion control and backwash fore filter Download PDFInfo
- Publication number
- CN106110728A CN106110728A CN201610724786.0A CN201610724786A CN106110728A CN 106110728 A CN106110728 A CN 106110728A CN 201610724786 A CN201610724786 A CN 201610724786A CN 106110728 A CN106110728 A CN 106110728A
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- connecting hole
- filter
- flow direction
- backwash
- filter element
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 50
- 238000001914 filtration Methods 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 8
- 230000003628 erosive effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
- 238000011010 flushing procedure Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000011045 prefiltration Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000122938 Strongylus vulgaris Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- 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
- B01D29/33—Self-supporting filtering elements arranged for inward 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention provides a kind of flow direction conversion control and backwash fore filter.Flow direction conversion control includes control body and revolving part.Control body is spherical, the sidewall of control body has at least one apopore outside the first connecting hole, the second connecting hole, the 3rd connecting hole and the side being formed at the first connecting hole and connection the first connecting hole and filter element, first connecting hole and the second connecting hole intercept through control body interior, first connecting hole and the 3rd connecting hole intercept through control body interior, and the second connecting hole and the 3rd connecting hole connect through control body interior.Revolving part is arranged at the top of control body and is connected with external switch, drives control body to rotate.By arranging the single flow direction changed the direction of a stream of water conversion control in backwash fore filter, make backwash fore filter under filtration condition and to flow through the water (flow) direction of filter element under flushing state contrary, reach forward filter, the effect of back flush.
Description
Technical field
The present invention relates to the technical field of filtration device structure, and particularly to a kind of flow direction conversion control and backwash
Fore filter.
Background technology
For a long time, the rust of generation, silt, asbestos fibre, blood worm, moss algae etc. in civil running water course of conveying
Secondary pollution all cannot solve.Along with improving constantly of living standard, the mankind also have strict hygienic requirements to drinking water,
Modern house water all can install a fore filter, it is to avoid water pollution once again, also extends faucet, hot water simultaneously
The service life of device, toilet, the water purifying direct drink drainage facility such as device, booster pump.
Fore filter on current market mainly has stacked fore filter, along stamp fore filter, siphonic
The several types such as fore filter.In use for some time, the impurity such as gravel, rust can accumulate adhesion to these fore filters
On filter screen, cause blocking and the breed bacteria of filter screen, also can lower filter effect and water outlet of slowing down simultaneously to a certain extent
Water velocity.And the impurity of this type of filter is cleared up by prior art, it is typically all and is carried out by the filter screen of dismounting filter
Cleaning, troublesome poeration, loaded down with trivial details, also inconvenient.
Summary of the invention
The present invention cleans out for impurity cleaning inconvenience and the difficulty overcome in existing fore filter on filter element
Problem, it is provided that a kind of flow direction conversion control and backwash fore filter.
To achieve these goals, the present invention provides a kind of flow direction being arranged in backwash fore filter to change
Control, including control body and revolving part.Control body is spherical, and the sidewall of control body has the first connecting hole, the second company
Connect hole, the 3rd connecting hole and be formed at the first connecting hole side and connection the first connecting hole and filter element outside at least
One apopore, the first connecting hole and the second connecting hole intercept through control body interior, the first connecting hole and the 3rd connecting hole warp
Control body interior intercepts, and the second connecting hole and the 3rd connecting hole connect through control body interior.Revolving part is arranged at control originally
The top of body is also connected with external switch, drives control body to rotate.
When backwash fore filter is in filtration condition, the first connecting hole is connected with flowing water water inlet, and second even
Connecing hole and connect filter element, the 3rd connecting hole is connected with outlet；Flowing water through the first connecting hole and at least one apopore from
The outside of filter element flows to inside, and the water after filtration flow to outlet through the second connecting hole and the 3rd connecting hole.
When backwash fore filter is in backwash state, revolving part drives control body to rotate and makes the second connection
Hole is connected with flowing water import, and the 3rd connecting hole is connected with filter element, and flowing water was reverse flowed to from the inside of filter element
The outside of filtering element, backward erosion filter element.
In one embodiment of the invention, the quantity of apopore is six, is symmetrically arranged at the upper and lower of the first connecting hole
Both sides, the area sum of six apopores is equal to the area of the first connecting hole.
In one embodiment of the invention, it is characterised in that the axis of each apopore is vertical with the axis of the first connecting hole.
In one embodiment of the invention, the first connecting hole and the 3rd connecting hole are coaxially disposed, the axis of the first connecting hole with
The axis perpendicular of the second connecting hole.
In one embodiment of the invention, flow direction conversion control also includes positioning bolster, and location bolster is arranged at
The bottom of control body.
In one embodiment of the invention, location bolster is flexible seal ring.
In one embodiment of the invention, revolving part has the swivelling chute matched with external switch.
Another aspect of the present invention also provides for a kind of backwash fore filter, including filter body, filter element, above-mentioned
Any one flow direction conversion control, universal joint, permutator and blowoff valve.Filter body has flowing water water inlet and goes out
The mouth of a river.Filter element is arranged in filter body.Flow direction conversion control is arranged in filter body, at filtration condition
Current are made to pass through filter element in a reverse direction during with backwash state.Universal joint is arranged in filter body, connects
Filtering element and flow direction conversion control.Permutator is connected with the revolving part in flow direction conversion control.Blowoff valve with
Filter element is connected, and when backwash fore filter is in filtration condition, blowoff valve cuts out, when backwash fore filter
When being in backwash state, blowoff valve is opened.
Another aspect of the present invention also provides for a kind of backwash fore filter, including filter body, filter element, above-mentioned
Any one flow direction conversion control, permutator and blowoff valve.Filter body has flowing water water inlet and outlet.Cross
Filtering element is arranged in filter body.In flow direction conversion control is arranged at filter body and it is connected with filter element
Connect, make current pass through filter element in a reverse direction when filtration condition and backwash state.Permutator and flow direction
Revolving part in conversion control is connected.Blowoff valve is connected with filter element, when backwash fore filter is in filtration shape
During state, blowoff valve cuts out, and when backwash fore filter is in backwash state, blowoff valve is opened.
In sum, the present invention provide flow direction conversion control and backwash fore filter compared with prior art
Have the advantage that
The single flow direction changed the direction of a stream of water conversion control is set in backwash fore filter so that recoil
Washing fore filter, to flow through the water (flow) direction of filter element under filtration condition and under flushing state contrary.This setting makes in punching
Washing under state, the impurity being trapped on filter element outer surface when filtering is reversed and washes away by current, it is not necessary to dismounting can be real
The thorough cleaning of existing filter element.Square impact filters, recoil cleaning, and user indiscriminately ad. as one wishes can switch over according to practical situation,
Swift to operate, convenient, safe and reliable, and home-use house lead in main valve can be replaced, save the installation of family one valve.
In flow direction conversion control, the change of water (flow) direction is then the first connection by being arranged on control body
Hole, the second connecting hole, the 3rd connecting hole and at least one apopore realize.At filtration condition, due to the first connecting hole
And being to cut off between the second connecting hole and the 3rd connecting hole, flowing water flow to outside filter element through the first connecting hole and apopore
Portion, flows out through the second connecting hole and the 3rd connecting hole after filtration, and the impurity in flowing water is trapped in the outer surface of filter element.Instead
Rush state, make the second connecting hole be connected with flowing water water inlet after control body is rotated, the 3rd connecting hole and filter element
Being connected, flowing water flows into the inside of filter element, then the outside to filter element through the second connecting hole and the 3rd connecting hole, reversely
Wash away the trapped substance remaining in filter element outer surface.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly,
And coordinate accompanying drawing, it is described in detail below.
Accompanying drawing explanation
Fig. 1 show the structural representation of the flow direction conversion control that the present invention provides.
Fig. 2 show the flow direction conversion control structural representation under filtration condition shown in Fig. 1.
Fig. 3 show the flow direction conversion control structural representation under recoil state shown in Fig. 1.
Fig. 4 show backwash fore filter sectional view under filtration condition in embodiment one.
Fig. 5 show the sectional view of backwash another angle of fore filter shown in Fig. 4.
Fig. 6 show backwash fore filter sectional view under backwash state in embodiment one.
Fig. 7 show the sectional view of backwash another angle of prefilter shown in Fig. 6.
Fig. 8 show backwash fore filter sectional view under filtration condition in embodiment two.
Fig. 9 show the sectional view of backwash another angle of fore filter shown in Fig. 8.
Figure 10 show backwash fore filter sectional view under backwash state in embodiment two.
Figure 11 show the sectional view of backwash another angle of prefilter shown in Figure 10.
Detailed description of the invention
Embodiment one
As shown in Figure 1 to Figure 3, the flow direction conversion control 300 that the present embodiment provides includes control body 1 and revolving part
2.Control body 1 in spherical, the sidewall of control body 1 have first connecting hole the 11, second connecting hole the 12, the 3rd connecting hole 13 with
And be formed at the side of the first connecting hole 11 and connect at least one apopore outside the first connecting hole 11 and filter element 200
14, the first connecting hole 11 and the second connecting hole 12 are through control body 1 inner barrier, the first connecting hole 11 and the 3rd connecting hole 13 warp
Control body 1 inner barrier, the second connecting hole 12 and the 3rd connecting hole 13 connect through control body 1 inside.Revolving part 2 is arranged at
The top of control body 1 is also connected with external switch 400, drives control body 1 to rotate.
Corresponding, as shown in Figures 4 to 7, the present embodiment also provides for a kind of recoil with flow direction conversion control 300
Wash fore filter.This backwash fore filter includes that filter body 100, filter element 200, flow direction change control
300, universal joint 600, permutator 400 and blowoff valve 500.Filter body 100 has flowing water water inlet 101 and outlet
102.Filter element 200 is arranged in filter body 100.Flow direction conversion control 300 is arranged at filter body 100
In, make current in a reverse direction by filter element 200 when filtration condition and backwash state.Universal joint 600 is arranged at
In filter body 100, connect filter element 200 and flow direction conversion control 300.Permutator 400 turns with flow direction
The revolving part 2 changed in control 300 is connected.Blowoff valve 500 is connected with filter element 200, at backwash fore filter
When filtration condition, blowoff valve 500 cuts out；When backwash fore filter is in backwash state, blowoff valve 500 is opened.
Operation principle below with reference to Fig. 1 to Fig. 7 convection cell direction conversion control and backwash fore filter is made in detail
Describe in detail bright.
As shown in Figure 4 and Figure 5, when backwash fore filter is in filtration condition, the first connecting hole 11 enters with flowing water
The mouth of a river 101 is connected, and the second connecting hole 12 connects filter element 200, and the 3rd connecting hole 13 is connected with outlet 102.Flowing water
Inside is flowed to from the outside of filter element 200 through the first connecting hole 11 and at least one apopore 14.Impurity in water is trapped
At the outer surface of filter element 200, the water after filtration flow to outlet 102 through the second connecting hole 12 and the 3rd connecting hole 13.When
After backwash fore filter uses a period of time, the impurity that filter element 200 surface retains gets more and more, and even blocks filtration
The mesh of element so that filter water outlet and reduce.In that case, user can be by rotating permutator 400, permutator
400 drive control body 1 to rotate by revolving part 2 so that control body 1 is in backwash state as shown in Figure 3.
In the present embodiment, the first connecting hole 11 and the 3rd connecting hole 13 are coaxially disposed, the axis of the first connecting hole 11 with
The axis perpendicular of the second connecting hole 12.This setting makes permutator 400 rotate 90 degree can change control by flow direction
300 switch to backwash state from filtration condition, or switch to filtration condition from backwash state.But, the present invention is to this not
It is limited in any way.In other embodiments, the axis of the first connecting hole 11, second connecting hole 12 can be set according to practical situation
Angle between the axis three of axis and the 3rd connecting hole 13.Part 2, Yu Benshi is rotated for more convenient permutator 400
Execute in example, revolving part 2 has the swivelling chute 21 matched with external switch 400.
As shown in Figure 6 and Figure 7, when backwash fore filter is in backwash state, the second connecting hole 12 and flowing water
Import 101 is connected, and the 3rd connecting hole 13 is connected with filter element 200, and flowing water is through the second connecting hole 12 and the 3rd connecting hole
13 are reverse flowed to the outside of filter element 200 from the inside of filter element 200, and backward erosion remains in outside filter element 200
Trapped substance on surface, the sewage of backwash flows out from blowoff valve 500.
The backwash fore filter that the present embodiment provides, only need to arrange the conversion of single flow direction in filter body
Control can make current pass through filter element in a reverse direction, it is achieved the reverse cleaning down of filter element, and without inciting somebody to action
Clear up after filtering element dismounting, very easy to use and simple to operate.
Further, in the flow direction conversion control that the present invention provides, control body is spherical in shape (is arranged on control body
After revolving part and buffering keeper, flow direction conversion control is similar to UFO-like), this setting makes the second connecting hole 12 and the 3rd
Connecting hole 13 is connected by the inside of spheroid, it is achieved full-bore is connected, and flow is greatly improved.Additionally, by filter originally
The size limitation of body 100 and the requirement of reduction cost, in the present embodiment, the quantity of apopore 14 is six, is respectively symmetrically
Being arranged on the both sides up and down of the first connecting hole 11, the area sum of six apopores 14 is equal to the area of the first connecting hole 11.Should
Arrange and the external diameter of control body 1 is reduced as far as possible, considerably reduce the volume of control body 1.But, the present invention is to water outlet
The quantity in hole 14 is not limited in any way.In other embodiments, the quantity of apopore 14 can be other number in addition to six.And work as
The quantity of apopore 14 is one and when keeping having same traffic with six apopores 14, and the external diameter of control body 1 needs extremely
Reducing and add 1.5 times, not only considerably increase cost, the volume of filter body 100 also to increase simultaneously.Further, for reducing
The resistance of current, the axis arranging each apopore 14 is vertical with the axis of the first connecting hole 11.
Generally use due to control body 1 metal to make and it is for spherical, for making its energy in state conversion process accurate
Location and minimizing abrasion, arrange the location bolster 3 that flow direction conversion control 300 also includes being arranged on bottom control body 1.
In the present embodiment, location bolster 3 is flexible seals, specially plastic seal ring.But, this is not made any by the present invention
Limit.
The backwash fore filter that the present embodiment provides arranges universal joint 600, i.e. universal type in filter body 100
Backwash fore filter.Universal joint 600 realizes comprehensive turning design, can install in the position of different angles, improve biography
Unite through-type fore filter installation limitation, substantially increase the serviceability of backwash fore filter, family can be replaced
Use house lead in main valve, save the installation of family one valve.
Embodiment two
The present embodiment and embodiment one and change essentially identical, difference is: the backwash that the present embodiment provides is preposition
Filter is through type backwash fore filter (being i.e. not provided with universal joint in filter body).The back flush type of the present embodiment
Fore filter include filter body 100 ', filter element 200 ', flow direction conversion control 300 ', permutator 400 ' with
And blowoff valve 500 '.Filter body 100 ' has flowing water water inlet 101 ' and outlet 102 '.Filter element 200 ' is arranged at
In filter body 100 '.In flow direction conversion control 300 ' is arranged at filter body 100 ' and with filter element 200 ' phase
Connect, make when filtration condition and backwash state current in a reverse direction by filter element 200 '.Permutator 400 '
It is connected with the swivelling chute 21 ' in flow direction conversion control 300 '.Blowoff valve 500 ' is connected with filter element 200 ', works as recoil
Washing fore filter when being in filtration condition, blowoff valve 500 ' cuts out, when backwash fore filter is in backwash state,
Blowoff valve 500 ' is opened.
Backwash as shown in Figs. 8 to 11, that the backwash fore filter of the present embodiment offer provides with embodiment one
The principle of formula fore filter is identical, is not repeated explanation at this, and both differ only in fluid in the present embodiment
It is directly connected between direction conversion control 300 ' and filter element 200 '.
In sum, the conversion control of the single flow direction changed the direction of a stream of water is set in backwash fore filter
Part so that the water (flow) direction that backwash fore filter flows through filter element under filtration condition and under flushing state is contrary.Should
Setting makes under flushing state, and the impurity being trapped on filter element outer surface when filtering is reversed and washes away by current, nothing
The thorough cleaning that can realize filter element need to be dismantled.Square impact filters, recoil cleaning, and user can follow one's bent according to practical situation
Switch over, swift to operate, convenient, safe and reliable, and home-use house lead in main valve can be replaced, save the peace of family one valve
Dress.
In flow direction conversion control, the change of water (flow) direction is then the first connection by being arranged on control body
Hole, the second connecting hole, the 3rd connecting hole and at least one apopore realize.At filtration condition, due to the first connecting hole
And being to cut off between the second connecting hole and the 3rd connecting hole, flowing water flow to outside filter element through the first connecting hole and apopore
Portion, flows out through the second connecting hole and the 3rd connecting hole after filtration, and the impurity in flowing water is trapped in the outer surface of filter element.Instead
Rush state, make the second connecting hole be connected with flowing water water inlet after control body is rotated, the 3rd connecting hole and filter element
Being connected, flowing water flows into the inside of filter element, then the outside to filter element through the second connecting hole and the 3rd connecting hole, reversely
Wash away the trapped substance remaining in filter element outer surface.
Although the present invention is disclosed above by preferred embodiment, but be not limited to the present invention, any know this skill
Skill person, without departing from the spirit and scope of the present invention, can make a little change and retouching, and therefore protection scope of the present invention is worked as
It is as the criterion depending on claims scope required for protection.
Claims (9)
1. a flow direction conversion control, it is characterised in that be arranged in backwash fore filter, including:
Control body, in spherical, the sidewall of control body has the first connecting hole, the second connecting hole, the 3rd connecting hole and shape
Become at least one apopore outside the side of the first connecting hole and connection the first connecting hole and filter element, the first connecting hole
Intercepting through control body interior with the second connecting hole, the first connecting hole and the 3rd connecting hole intercept through control body interior, and second
Connecting hole and the 3rd connecting hole connect through control body interior；
Revolving part, is arranged at the top of described control body and is connected with external switch, drives control body to rotate；
When backwash fore filter is in filtration condition, the first connecting hole is connected with flowing water water inlet, the second connecting hole
Connecting filter element, the 3rd connecting hole is connected with outlet；Flowing water through the first connecting hole and at least one apopore from filtration
The outside of element flows to inside, and the water after filtration flow to outlet through the second connecting hole and the 3rd connecting hole；
When fore filter is in backwash state, revolving part drives the rotation of control body that the second connecting hole is entered with flowing water
Mouth is connected, and the 3rd connecting hole is connected with filter element, and flowing water is reverse flowed to filter element from the inside of filter element
Portion, backward erosion filter element.
Flow direction the most according to claim 1 conversion control, it is characterised in that the quantity of described apopore is six,
Being symmetrically arranged at the both sides up and down of the first connecting hole, the area sum of six apopores is equal to the area of the first connecting hole.
Flow direction the most according to claim 1 and 2 conversion control, it is characterised in that the axis of each apopore and the
The axis of one connecting hole is vertical.
Flow direction the most according to claim 1 conversion control, it is characterised in that the first connecting hole and the 3rd connecting hole are same
Axle is arranged, the axis of the first connecting hole and the axis perpendicular of the second connecting hole.
Flow direction the most according to claim 1 conversion control, it is characterised in that described flow direction conversion control also wraps
Including location bolster, described location bolster is arranged at the bottom of described control body.
Flow direction the most according to claim 5 conversion control, it is characterised in that described location bolster is flexible sealing
Circle.
Flow direction the most according to claim 1 conversion control, it is characterised in that have on described revolving part and turn with outside
Change the swivelling chute that switch matches.
8. a backwash fore filter, it is characterised in that including:
Filter body, has flowing water water inlet and outlet；
Filter element, is arranged in described filter body；
Flow direction conversion control described in any one of claim 1 to 7, is arranged in described filter body, is filtering shape
Current are made to pass through filter element in a reverse direction when state and backwash state；
Universal joint, is arranged in described filter body, connects filter element and flow direction conversion control；
Permutator, is connected with the revolving part in described flow direction conversion control；
Blowoff valve, is connected with described filter element, and when backwash fore filter is in filtration condition, blowoff valve cuts out,
When backwash fore filter is in backwash state, blowoff valve is opened.
9. a backwash fore filter, it is characterised in that including:
Filter body, has flowing water water inlet and outlet；
Filter element, is arranged in described filter body；
Flow direction conversion control described in any one of claim 1 to 7, be arranged in described filter body and with described mistake
Filtering element is connected, and makes current pass through filter element in a reverse direction when filtration condition and backwash state；
Permutator, is connected with the revolving part in described flow direction conversion control；
Blowoff valve, is connected with described filter element, and when backwash fore filter is in filtration condition, blowoff valve cuts out,
When backwash fore filter is in backwash state, blowoff valve is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610724786.0A CN106110728B (en) | 2016-08-24 | 2016-08-24 | Flow direction changes control and backwash fore filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610724786.0A CN106110728B (en) | 2016-08-24 | 2016-08-24 | Flow direction changes control and backwash fore filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106110728A true CN106110728A (en) | 2016-11-16 |
| CN106110728B CN106110728B (en) | 2018-01-16 |
Family
ID=57275141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610724786.0A Active CN106110728B (en) | 2016-08-24 | 2016-08-24 | Flow direction changes control and backwash fore filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106110728B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107551646A (en) * | 2017-10-19 | 2018-01-09 | 陈英傲 | Anti-leakage type intelligence backwash filter and control method |
| CN107998719A (en) * | 2018-01-17 | 2018-05-08 | 吴伟锋 | The conversion control and fore filter of fore filter |
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| CN102512865A (en) * | 2011-12-20 | 2012-06-27 | 自贡科创液压有限公司 | Backflushing blowdown oil filter able to switch without flow break |
| CN104707383A (en) * | 2015-02-15 | 2015-06-17 | 鲁柏鑫 | Water filter and operating principle thereof |
| CN205965194U (en) * | 2016-08-24 | 2017-02-22 | 吴伟锋 | Flow directn conversion controlling part and leading filter of back flush |
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| CN107551646A (en) * | 2017-10-19 | 2018-01-09 | 陈英傲 | Anti-leakage type intelligence backwash filter and control method |
| CN107998719A (en) * | 2018-01-17 | 2018-05-08 | 吴伟锋 | The conversion control and fore filter of fore filter |
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