CN209696412U - The filter element of the pre-filtration system for being suitable as water filtering in single filter housing comprising multiple filters - Google Patents
The filter element of the pre-filtration system for being suitable as water filtering in single filter housing comprising multiple filters Download PDFInfo
- Publication number
- CN209696412U CN209696412U CN201790001141.2U CN201790001141U CN209696412U CN 209696412 U CN209696412 U CN 209696412U CN 201790001141 U CN201790001141 U CN 201790001141U CN 209696412 U CN209696412 U CN 209696412U
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- Prior art keywords
- filter
- tubular
- washer
- water
- discharge passage
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/003—Coaxial constructions, e.g. a cartridge located coaxially within another
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/004—Seals, connections
Abstract
The utility model relates to include the filter element for being suitable as the pre-filtration system that water filters of multiple filters in single filter housing.The filter element includes the filter housing containing water inlet, water out and at least first filter and the second filter.First filter and the second filter are located in single filter housing.First filter and the second filter include tubular filter material and central discharge passage.Water enters filter element by water inlet, and subsequently passes through first filter and the second filter and leave the unit by water inlet.In addition, filter element includes at least the first washer and second packing ring to ensure that no filtration step is bypassed.The utility model further relates to purposes of the filter element as reverse osmosis front filter.
Description
Technical field
The present invention relates to include multiple filters in single filter housing as the pre-filtering system for water filtering
The filter element of system.Purposes the invention further relates to this filter element as reverse osmosis front filter.
Background technique
For water purifying or filtering and be particularly used for drinking the filter system one of purifying or the filtering of the water of purpose
As require different filtration steps to realize acceptable purity level.Such filter system includes such as osmosis filtration
Step.Reverse osmosis membrane is exquisite, and because they are expensive, it is common practice to include one before reverse osmosis step
Or multiple pre-filtration steps.By doing so, the service life of reverse osmosis membrane can be improved significantly.Pre-filtration step includes for example heavy
Drop filtering or active carbon filtering.In general, each pre-filtration step needs to include the filtering list for assembling filter medium in the shell
Member.Then different filter elements is connected by pipe-line system.This filtration system not only needs complicated pipeline connection, but also
Very large space is also needed to install.In addition, the installation and replacement of this kind of filtration system are inconvenient.Due to this kind of pipeline system
Many connections that system has, therefore there is a large amount of potential leakage point.
Although the different filter medium of arranged in series is possible in single filter housing, including concatenated more
The filtration system of a filter medium is usually insecure.For example, this kind of system cannot be guaranteed that water correctly flows through filtration system,
Because one or more filtration steps may be bypassed.It may be harmful to reverse osmosis step around one or more filtration steps
's.It can be seen that such system, it illustrates the primary mistakes of active charcoal in Chinese utility model CN204932968U
The two-stage filter of filter and secondary filter.In KR2003-0096867A, KR2012-0004816 and KR2009-0011436
In it can be seen that including three filters other systems.
US 20140131289 (Whirlpool Corporation) discloses a kind of customized multiple stage fluid processing group
Part generally includes connector, multiple filter cartridges and cap.Multiple filter cartridges have between its end to be held in the inside of single box
Processing medium spaced apart in product.The end of multiple filter cartridges is configured to receive fluid, forms fluid and processing medium effectively
Contact, and fluid is distributed from the opposite end of filter cartridge.
Accordingly, it is desirable to provide a kind of improved filter element comprising multiple filterings in single filter housing
Medium.It needs one kind that can provide the environment of sealing to each filter and ensures that a filtration stage does not filter rank by another
The filter element that section bypasses.Moreover, the design of filter element needs such sealing to avoid the individual envelope of each filter
Dress/shell.
It needs to provide a kind of filter for being suitable for consumer and using, allows multiple filters single by opening filtering
Member is replaced, and is also avoided the waste of filter housing material and provided simultaneously for running water through each unit without in office
The efficient mechanism of what stage bypass.
Summary of the invention
It is an object of the present invention to provide a kind of filterings of the prefilter unit of osmosis filtration for being suitable as water
Unit.
It is a further object to provide a kind of in single filter housing including the filtering list of multiple filters
Member, so that it is guaranteed that being bypassed without filter medium.
It is a further object to provide a kind of filter elements for needing limited pipeline.
A further object of the present invention is to provide a kind of filter element with compact design, can easily replace.
According to the first aspect of the invention, a kind of pre-filtration system being suitable as water filtering or Water warfare is provided
Filter element.Filter element according to the present invention includes water inlet and water out, and including at least first filter and second
Filter.Second filter is located at the downstream of first filter.Possibly, filter element includes more than two filters, such as
First filter, the second filter and third filter, wherein the second filter is located at the downstream of first filter and third
Filter is located at the downstream of the second filter.The different filters of filter element are located in a single filter housing.
First filter includes the first tubular filter material with the first central discharge passage.Second filter includes tool
There is the second tubular filter material of the second central discharge passage.First tubular filter material and the second tube of material respectively have diameter
To the surface faced out, the surface faced radially inwards, top surface and bottom surface.The surface faced radially inwards is towards tubular filter material
The discharge-channel of material.The surface radially faced outwards is towards filter housing, the more particularly inner surface of filter housing.
Water to be filtered enters filter element by water inlet, and leaves filter element by water out.Pass through water inlet
Water into filter element subsequently passes through first filter and the second filter.Water passes through the diameter into the first tubular filter material
To the outside surface of table and the surface faced radially inwards by leaving the first tubular filter material is to pass through the first central emissions
Channel is discharged and flows through first filter.Then, water is by entering the surface of the second tubular filter material radially faced outwards simultaneously
By leaving the surface of the second tubular filter material radially faced outwards to flow through the second mistake by the discharge of the second discharge-channel
Filter.Water then passes through water out and leaves filter element.
Filter element is additionally provided at least the first washer and second packing ring.First washer and second packing ring prevent water from entering from water
Mouthful flow to the second filter and without first filter.This means that the first washer and second packing ring ensure by water inlet into
All water for entering filter element flow to the first tubular filter material of first filter, then flow to the second tubular filter material
And/or filter element is then left by water out.
First washer is preferably located between the first and second filters, i.e. the first tubular filter material of first filter
Top surface and the second filter the second tubular filter material bottom surface between.Second packing ring is preferably placed at first filter
The first tubular filter material bottom surface.
First washer includes tubular bodies and at least one main extension.Possibly, the first washer further includes that at least one is another
Outer extension.Tubular bodies preferably extend up, i.e., towards the second filter the second tubular filter material extend, with up to
A few main extension and/or at least one other extension extend downwardly, i.e., towards the first tubular mistake of first filter
Filter material material extends.
The second tubular filter material that the tubular bodies of first washer preferably at least partly surround the second filter extends.More
Preferably, the tubular bodies of the first washer are in the whole length of the second tubular filter material around the second tubular of the second filter
Filtering material extends.
Preferably, at least one main extension is at least partially penetrated at the top surface of the first tubular filter material to
In first central discharge passage of the first tubular filter material of one filter.At least one main extension includes that central emissions are logical
Road allows water to flow to the second filter from the first central discharge passage of first filter.
Preferably, at least one main extension includes the tubulose or conical body that may be provided with side opening.
The main extension of at least one of first washer is close at the top surface of the first tubular filter material of first filter
The first central discharge passage is sealed, allows and bypasses the filtering step for passing through the first tubular filter material of first filter without water
Suddenly.
Possibly, the first washer includes one or more other extensions.The one or more of first washer is other
Extension preferably extends downwardly, i.e., extends towards the first tubular filter material of first filter, and possibly first
The first tubular filter material of first filter is penetrated at the top surface of first tubular filter material of filter.First washer
The top surface of first tubular filter material of one or more other extension sealing first filters is to avoid water around logical
Cross the filtration step of the first tubular filter material of first filter.The extension that the one or more of first washer is other prevents
Water passes through the top surface of the first tubular filter material of first filter rather than passes through the first tubular filter of first filter
The surface of material radially faced outwards enters the first tubular filter material of first filter and/or prevents water not by the
The second filter is flowed in the case where first tubular filter material of one filter.
Second packing ring includes at least one main extension.Possibly, second packing ring further includes at least one other extension
Portion.The main extension of at least one of second packing ring and at least one other extension preferably extend up, i.e., towards first
First tubular material of filter extends.
The main extension of at least one of second packing ring is in the bottom surface preferably at least part of the first tubular filter material
Ground penetrates into the first central discharge passage of the first tubular filter material of first filter.
Second packing ring can be the part of filter housing.Second packing ring can be for example incorporated into filter housing, more
The inside of filter housing is specifically incorporated into the bottom side of filter housing.
The extension that the one or more of second packing ring is other preferably extends up, i.e. first towards first filter
The bottom surface of filter material extends, and possibly penetrates in the bottom surface of the first tubular filter material of first filter
First tubular filter material of first filter.
The bottom of first tubular filter material of the other extension sealing first filter of the one or more of second packing ring
Surface is to prevent water from bypassing the filtration step of the first tubular filter material by first filter.One or more of second packing ring
A other extension prevents water by the bottom surface of the first tubular filter material of first filter rather than by the first mistake
The surface of first tubular filter material of filter radially faced outwards enter first filter the first tubular filter material and/or
Prevent water from flowing to the second filter in the case where the first tubular filter material not Jing Guo first filter.
In a preferred embodiment, in addition to the first filter of filter element as described above and the second filter it
Outside, filter element according to the present invention further includes third filter.Third filter is preferably located in the downstream of the second filter.
Third filter includes such as plate filter, such as plane micro-filter.
In the case where filter element includes third filter, filter element preferably also comprises third washer to prevent water
Water out is flowed to from the second filter and without third filter.Third washer is preferably located in the second filter and third mistake
Between filter.Third washer preferably includes tubular bodies and at least one main extension with central discharge passage.Possibly,
Third washer further includes at least one other extension.The central discharge passage of the main extension of third washer is preferably set up
There is side opening.Tubular bodies preferably extend up, i.e., extend towards third filter.Preferably, the tubular bodies of third washer are suitable
Together in holding third filter.At least one main extension and/or at least one other extension preferably extend downwardly, i.e.,
Extend towards the second tubular filter material of the second filter.Third washer may include further extension, for example,
It is upwardly extended between three washers and cap.(for example, in the bottom of filter to help to avoid between tubular bodies and third filter
Water bypass) and/or may include other washer between lid and shell.
Preferably, at least one main extension of third washer at the top surface of the second tubular filter material at least partly
Ground penetrates into the second central discharge passage of the second tubular filter material of the second filter.It is highly preferred that third washer
At least one main extension penetrates into the second tubular filter of the second filter in the whole length of the second tubular filter material
In second central discharge passage of material.The main extension of at least one of third washer includes central discharge passage, allows water
Third filter is flowed to from the second central discharge passage of the second filter.The center of the main extension of at least one of third washer
Discharge-channel is preferably provided with side opening.
Preferably, at least one main extension includes tubulose or conical body.It is highly preferred that at least one main extension
Tubulose or conical body including being provided with side opening.
Second filter may include the end cap at the base portion of the second filter.This can permit the second filter by spiral shell
It is connected in third washer (for example, bar (stem) of third washer), thus by the way that third washer to be pressed into filter housing cap
To seal.The end cap of second filter may insure the second filter seal on shell cap, and the end of the second filter
It is wrapped up to ensure water radially inwards through the second filter.Being screwed in bar may insure does not leak between bar and cap.
The water facing radially towards inner surface for leaving the second tubular filter material of the second filter enters third washer extremely
The side opening of a few main extension, and by the discharge of the central discharge passage of at least one main extension to flow to third filtering
Device.The filtration step for the second tube of material that third washer prevents water from bypassing through the second filter.
Possibly, third washer includes one or more other extensions.The one or more of third washer is other
Extension preferably extends downwardly, i.e., extends towards the top surface of the second tubular filter material of the second filter, and may
Ground penetrates the second tubular filter material of the second filter at the top surface of the second tubular filter material of the second filter.The
The other extensions of one or more of two washers seal the top surface of the second tubular filter material of the second filters to avoid
Water bypasses the filtration step of the second tubular filter material by the second filter.The one or more of third washer is other to prolong
Extending portion prevents water by the top surface of the second tubular filter material of the second filter rather than passes through the second of the second filter
The surface of tubular filter material radially faced outwards enters the second tubular filter material of the second filter and/or prevents water not
Third filter is flowed in the case where the second tubular filter material by the second filter.
Filter housing preferably includes polymer material, such as polypropylene.Polymer material can be for anticipated conditions
And the polymer material changed, for example, to bear the input hydraulic pressure of variation in the their entire life of filter.
Filter housing includes container and cap.Container and cap are preferably threaded, and cap is screwed on container.
This potentially contributes to the convenience of cleaning (for example, in the case where blocking), or is used for periodic inspection and/or maintenance.
First washer, second packing ring and third washer preferably include polymer material, such as polypropylene.Other washers or
Washer extension can be made of other materials, such as silicon.
Filter element may also include one or more sealing rings, such as one or more O-rings.
According to the second aspect of the invention, filter element as described above can be used as reverse osmosis front filter.
Detailed description of the invention
The present invention will be described in more detail with reference to the drawings, wherein
- Fig. 1 is the cross section diagram of filter element according to the present invention；
- Fig. 2 is the diagram of the first washer of filter element according to the present invention；
- Fig. 3 is the diagram of the third washer of filter element according to the present invention.
Specific embodiment
The present invention will be described referring to specific embodiment and with reference to certain attached drawings, and but the invention is not restricted to this, and only by
Claim limits.Attached drawing is only illustrative and not restrictive.In the accompanying drawings, for illustrative purposes, some elements
Size may be exaggerated and be not drawn on scale.Size and relative size do not correspond to the actual result that the present invention is implemented.
Fig. 1 is the cross section diagram of filter element 100 according to the present invention.Filter element 100 has water inlet 102 and water
Export 104 (passing through cap 105).Filter element includes at least first filter 106, the second filter 108 and third filter
110.First filter 106 and the second filter 108 include tubular filter.Third filter 110 includes plate filter.The
One filter 106, the second filter 108 and third filter 110 are located in single filter housing 101.Second filter 108
Positioned at first filter 106 downstream and third filter 110 be located at the downstream of the second filter 108.106 He of first filter
Second filter 108 is preferably positioned in top of each other, and main shaft is parallel or substantially parallel to the master of filter housing 101
Axis 111 is orientated in parallel.The plane of plate filter 110 is preferably perpendicular to or the master basically perpendicular to filter housing 101
Axis 111 orients.Water inlet 102 is preferably located in the lower part of filter housing 101.Water out 104 is preferably placed at outside filter
In the top of shell 101, such as at the top of filter housing 101.
First filter 106 includes the first tubular filter material 112 and the first discharge-channel 114.
First filter 106 can be for example including deposition filter or carbon filter.In the preferred embodiment, the first mistake
Filter 106 includes deposition filter.Deposition filter, which is preferably designed so that, filters out fine grained and coarse granule, as dirt, mud,
Sand and other deposits.By filtering this fine grained and coarse granule, the service life of reverse osmosis membrane increases.
First tubular filter material 112 of first filter 106 includes such as polymer fiber, such as the polymer of extrusion
Fiber.In the preferred embodiment, the first tubular filter material 112 of first filter 106 includes polypropylene fibre.
Preferably, the first tubular filter material 112 capture of first filter 106 has specific equivalent diameter (for example, big
In 5 μm) particle.The equivalent diameter or equivalent spherical diameter of the object of irregular shape are used to indicate the straight of the sphere of equivalent volume
Diameter.
In order to avoid the fouling or blocking of first filter 106, the first tubular filter material 112 of first filter 106
It is preferably washable or flushable.
Second filter 108 includes the second tubular filter material 116 and the second central discharge passage 118.Second filter
108 further include end cap 109.
Second filter 108 can be for example including deposition filter or carbon filter.In the preferred embodiment, the second mistake
Filter 108 includes carbon filter, more specifically active carbon filter.Active carbon filter removes chloride and/or organises
Close object.In addition, this filter can remove taste and smell pollutant.
Active carbon filter includes, for example, the extrusion carbon medium of active carbon particle, the equivalent diameter range of the particle are
75-400μm。
Third filter 110 includes such as plate filter, for example, plane micro-filter, pore diameter range is in 0.1 and 10
Between μm, such as between 1 and 5 um.
Third filter 110 includes such as silk screen, braiding structure or non woven structure.In the preferred embodiment, third
Filter 110 includes nylon mesh.
Water enters filter element 100 by water inlet 102, by the first tubular filter material for entering first filter 106
Material 112 the surface radially faced outwards and the first tubular filter material 112 by leaving first filter 106 facing radially towards
Interior surface is to flow through first filter 106 by the discharge of the first central discharge passage 114 of first filter 106.First
There should be enough spaces around filter 106 to ensure the lower limit to water flowing (for example, across the lower pressure of filter
Drop).
Then, water by enter the second filter 108 the second tubular filter material 116 the surface radially faced outwards simultaneously
And by the surface of the second tubular filter material 116 for leaving the second filter 108 faced radially inwards to pass through the second filtering
Second central discharge passage 118 of device 108 is discharged and flows through the second filter 108.Then, water flows through third filter and passes through
Water out 104 leaves filter element 100.From the outlet of first filter 106, pass through the first central discharge passage 114, washer
102, the size of central discharge passage 128 and lower endcaps 109 is all larger than entrance 102 to ensure to pass through filter element from entrance 102
100 smooth flow.Water out 104 should also have enough areas to ensure that water steadying flows out (that is, low pressure drop).
Filter element 100 is provided with the first washer 120, second packing ring 124 and third washer 140.First washer 120 is preferably
Ground is located between first filter 106 and the second filter 108.Second packing ring 124 is preferably located in the bottom of filter housing 101
Portion, the i.e. bottom surface of the first washer.Third washer 140 be preferably located in the second filter 108 and third filter 110 it
Between.
Second filter 108 is screwed in the bar of third washer 140, thus by the way that third washer 140 to be pressed into cap 113
It is sealed, more specifically, packing washer 149 is to ensure not leak between bar and cap 113.The end cap of second filter
109 ensure that the second filter 108 is sealed on cap and the end of the second filter 108 is wrapped up to ensure that water radially-inwardly leads to
Cross the second filter 108.All washers should sufficiently be compressed to ensure not leak.Be additionally provided with below end cap 109 space with
Ensure almost without limiting and there is no the pressure loss.
Fig. 2 illustrates in greater detail the first washer 120.Fig. 3 illustrates in greater detail third washer 140.
First washer 120 includes tubular bodies 124, at least one main extension 126 and possibly at least one other prolongs
Extending portion 127.Tubular bodies 124 preferably extend up, i.e., extend towards the second tubular filter material 116 of the second filter 108,
At least one main extension 126 and/or at least one other extension 127 extend downwardly simultaneously, i.e., towards first filter
106 the first tubular filter material 112 extends.At least one other extension 127 should invade first filter enough
To ensure that the liquid from entrance 102 will not enter the first central discharge passage 114 at top around filter 106 in 106.
The tubular bodies 124 of first washer 120 at least partly around the second filter 108 the second tubular filter material
116 extend.It is highly preferred that the tubular bodies 124 of the first washer 120 surround in the whole length of the second tubular filter material 112
Second tubular filter material 112 of the second filter 108 extends.
Preferably, top surface of at least one the main extension 126 of the first washer 120 in the first tubular filter material 112
Place at least partially penetrates in the first central discharge passage 114 of the first tubular filter material 112 of first filter 106.
This can assist in keeping first filter 106 and be aligned in the shell at top side center.At least one main extension of first washer 120
Portion 124 includes central discharge passage 128, and water is allowed to flow to second from the first central discharge passage 114 of first filter 106
Filter 108.First washer 120 preferably its height to ensure to have between shell 101 and the first washer 102 enough close
Envelope.
Preferably, at least one main extension 126 of the first washer 120 includes that may be provided with side opening (not shown)
Tubulose or conical body.
First tubular filter material 112 of the main extension 126 of at least one of first washer 120 in first filter 106
Top surface at seal first filter 106 the first tubular filter material 112 the first central discharge passage 114 so that not having
There is water can be around by the filtration step of the first tube of material 112 of first filter 106.
The extension 127 that the one or more of first washer 120 is other preferably extends downwardly, i.e., towards first filter
The top surface of 106 the first tubular filter material 112 extends, and possibly in the first tubular filter of first filter 106
The first tubular filter material 112 of first filter 106 is penetrated at the top surface of material 112.One or more of first washer 120
The top surface that a other extension 127 seals the first tubular filter material 112 of first filter 106 bypasses to avoid water to be led to
Cross the filtration step of the first tubular filter material 112 of first filter 106.The one or more of first washer 120 is other
Extension 127 prevents water by the top surface of the first tubular filter material 112 of first filter 106 rather than by the first mistake
The surface of first tubular filter material 112 of filter 106 radially faced outwards enters the first tubular filter of first filter 106
Material 112 and/or prevent that water from flowing to the second filter 108 and without the first tubular filter material of first filter 106
112。
Second packing ring 122 includes at least one main extension 130.The main extension 130 of at least one of second packing ring 122 is excellent
Selection of land upwardly extends, i.e., extends towards the bottom surface of the first tube of material 112 of first filter 106.Second packing ring 122 is extremely
A few main extension 130 is preferably at least partially penetrated in the bottom surface of the first tubular filter material 112 to the first mistake
In first central discharge passage 114 of the first tubular filter material 112 of filter 106.
Second packing ring 122 can be the part of filter housing 101.Second packing ring 122 can for example be incorporated into filter
In shell 101, specifically in the inside for being incorporated into filter housing 101 at the bottom side of filter housing 101.
Second packing ring 122 may include one or more other extensions 132.The one or more of second packing ring 122 is another
Outer extension 132 preferably extends up, i.e., extends towards the bottom surface of the first filtering material 112 of first filter 106,
And the of first filter 106 possibly is penetrated in the bottom surface of the first tubular filter material 112 of first filter 106
One tubular filter material 112.This penetrate should be enough to ensure that the liquid from entrance 102 will not bypass filter 106 in lower end,
And it has to be by first filter 106 and advances to enter the first central discharge passage 114.
The other extension 132 of the one or more of second packing ring 122 seals the first tubular filter of first filter 106
The bottom surface of material 112 is to prevent water from bypassing the filtering of the first tubular filter material 112 by first filter 106 in bottom
Step.The first tubular filter that the other extension of the one or more of second packing ring 122 prevents water from passing through first filter 106
The surface of the bottom surface of material 112 rather than the first tubular filter material 112 by first filter 106 radially faced outwards
Into the first tubular filter material 112 of first filter 106, and/or prevent water from flowing to the second filter 108 and without
First tubular filter material 112 of one filter 106.The central extension as shown in second packing ring 122 also contributes to the bottom of at
Center is directed at first filter 106 at end.
Third washer 140 preferably includes tubular bodies 142 and at least one main extension with central discharge passage 148
144.The central discharge passage 148 of the main extension 144 of third washer 140 is preferably provided with side opening 150.These openings
150 and second central discharge passage 118 can be sized to allow little particle flow through (for example, about 250 microns of carbon
Grain).Therefore, if there is loose carbon, for example, strike during assembly pine, then carbon flow cross rather than block flow, and by
Third filter 110 is collected.Tubular bodies 142 preferably extend up, i.e., extend towards third filter 110.Preferably, third
The tubular bodies 142 of washer 140 are suitable for keeping third filter 110.
At least one main extension 144 preferably extends downwardly, i.e., towards the second tubular filter material of the second filter 108
The upper surface of material 116 extends.Third washer 140 may be provided at least one other extension 145, in third washer 140
It is upwardly extended between cap 105.Other extension can extend downwardly, i.e., towards the second tubular mistake of the second filter 108
The upper surface of filter material material 116.Further washer 147 can be located at the bottom of third filter 110 to avoid third mistake is bypassed
Filter 110.It can also include other washer 149 to ensure to seal the appropriate direction with water.
Preferably, top surface of at least one the main extension 144 of third washer 140 in the second tubular filter material 116
Place is at least partially penetrated into the second central discharge passage 118 of the second tubular filter material 116 of the second filter 108.
It is highly preferred that at least one main extension 144 of third washer 140 is worn in the whole length of the second tubular filter material 116
Enter into the second central discharge passage 118 of the second tubular filter material 116 of the second filter 108.Third washer 140 is extremely
A few main extension 144 includes central discharge passage 148, allows water logical from the second central emissions of the second filter 108
Road 118 flows to third filter 110.
Preferably, at least one main extension 144 of third washer 140 includes that tubulose or cone extend main body.It is more excellent
Selection of land, at least one main extension 144 include the tubulose or conical body for being provided with side opening 150.
The water for leaving the surface of the second tubular filter material 116 of the second filter 108 faced radially inwards enters third
The side opening 150 of the main extension 144 of at least one of washer 108, and it is logical by the central emissions of at least one main extension 144
Road 148 is discharged to flow to third filter 110.Third washer 140 prevents water tubular around pass through the second filter 108 second
The filtration step of material 116.
Filter element 100 may also include multiple O-rings 152.
Although it have been described that different features and embodiment is preferred, but this is for particular implementation and situation
And it is not necessarily to be construed as limitation.Although in addition, having described the present invention with reference to exemplary embodiments, those skilled in the art
Member will be understood that, without departing from the scope of the invention, can carry out various changes and can replace it with equivalent
Element.In addition, many modifications can be carried out so that specific condition or material in the case where not departing from essential scope of the invention
Adapt to the teachings of the present invention.Thus, it is intended that the present invention is not limited to disclosed particular implementation, but the present invention will wrap
Include all embodiments fallen within the scope of the appended claims.
Claims (11)
1. a kind of filter element (100) for the pre-filtration system for being suitable as water filtering, the filter element (100) is by single mistake
Filter shell (101) composition, it is characterised in that the filter housing includes water inlet (102), water out (104) and at least first
Filter (106) and the second filter (108)；
The first filter (106) and second filter (108) are located in the filter housing (101)；
The first filter (106) includes the first tubular filter material (112) and the first central discharge passage (114)；
Second filter (108) includes the second tubular filter material (116) and the second central discharge passage (118)；
Both the first tubular filter material (112) and described second tubular filter material (116), which have, to be radially faced outwards
Surface, the surface faced radially inwards, top surface and bottom surface；
Thus water enters the filter element (100) by the water inlet (102), by entering the first tubular filter material
The surface radially faced outwards of material (112) is faced radially inwards with the described of the first tubular filter material (112) is left
Surface with by first central discharge passage (114) discharge flow through the first filter (106), then by into
Enter the surface radially faced outwards of the second tubular filter material (116) and leaves the second tubular filter material
(116) the surface faced radially inwards is to flow through described second by second central discharge passage (118) discharge
Filter (108), to leave the filter element (100) by the water out (104)；
The filter element (100) is provided at least the first washer (120) and second packing ring (122)；
First washer (120) and the second packing ring (122) prevent water without the first filter (106) and from institutes
It states water inlet (102) and flows to second filter (108)；
First washer (120) includes second tubular filter at least partly around second filter (108)
The tubular bodies (124) and first washer (120) that material (116) extends are provided at least one main extension (126), described
At least one main extension (126) at least partially penetrates institute at the top surface of the first tubular filter material (112)
In first central discharge passage (114) for stating the first tubular filter material (112) of first filter (106), institute
Stating at least one main extension (126) includes central discharge passage (128), to allow water from the first filter (106)
First central discharge passage (114) flow to second filter (108).
2. filter element (100) according to claim 1, it is characterised in that the second packing ring (122) is included in described
The bottom surface of first tubular filter material (112) at least partially penetrates described the first of the first filter (106)
At least one of first central discharge passage (114) of tubular filter material (112) main extension (130).
3. according to claim 1 or filter element as claimed in claim 2 (100), it is characterised in that first washer (120)
And/or the second packing ring (122) further includes at least one other extension (127,132).
4. according to claim 1 or filter element as claimed in claim 2 (100), it is characterised in that the filter element (100)
It further include third filter (110) and third washer (140), the third filter (110) is in the filter housing (101)
In be located at the downstream of second filter (108), the third washer (110) prevents water without the third filter
(110) water out (104) are flowed to from second filter (108) in the case where.
5. filter element (100) according to claim 4, it is characterised in that the third filter (110) includes plane
Filter.
6. filter element (100) according to claim 4, it is characterised in that the third washer (140) includes in having
Entreat at least one main extension (144) of discharge-channel (148), the center row of at least one main extension (144)
It puts channel (148) to be provided with side opening (150), at least one described main extension (144) is in the second tubular filter material
(116) the second tubular filter material (116) of second filter (108) is at least partially penetrated at top surface
Second central discharge passage (118) in and allow water from second central emissions of second filter (108)
Channel (118) flows to the third filter (110).
7. filter element (100) according to claim 6, it is characterised in that the third washer (140) further includes at least
One other extension (146).
8. filter element (100) according to claim 6, it is characterised in that the third washer (140) further includes being suitble to
In the tubular bodies (142) for keeping the third filter (110).
9. according to claim 1 or filter element as claimed in claim 2 (100), it is characterised in that the first filter
It (106) include deposition filter.
10. according to claim 1 or filter element as claimed in claim 2 (100), it is characterised in that second filter
It (108) include carbon filter.
11. filter element (100) according to claim 4, it is characterised in that the third filter (110) includes micro- mistake
Filter.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16183357 | 2016-08-09 | ||
| EP16183357.9 | 2016-08-09 | ||
| PCT/EP2017/068088 WO2018028948A1 (en) | 2016-08-09 | 2017-07-18 | A filter unit adapted as a pre-filter system for water filtration comprising multiple filters in a single filter housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209696412U true CN209696412U (en) | 2019-11-29 |
Family
ID=56683762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201790001141.2U Active CN209696412U (en) | 2016-08-09 | 2017-07-18 | The filter element of the pre-filtration system for being suitable as water filtering in single filter housing comprising multiple filters |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN209696412U (en) |
| PH (1) | PH22019500002Y1 (en) |
| WO (1) | WO2018028948A1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100491513B1 (en) | 2002-06-18 | 2005-05-27 | 웅진코웨이주식회사 | Composite filter for the water purifier |
| KR20090011436A (en) | 2007-07-26 | 2009-02-02 | 삼성전자주식회사 | Display apparatus, control method thereof and display system of the same |
| DE202008007246U1 (en) * | 2008-05-29 | 2008-10-02 | Chang, Yao-Chin, Daya | Water filter and its filter element |
| KR101282679B1 (en) | 2010-07-07 | 2013-07-12 | 현대자동차주식회사 | Method for operating fuel cell system |
| US9365434B2 (en) * | 2011-05-12 | 2016-06-14 | Strauss Water Ltd. | Water filtering device |
| US9327216B2 (en) | 2012-11-12 | 2016-05-03 | Whirlpool Corporation | Customizable multi-stage water treatment system |
| CN204932968U (en) | 2015-07-13 | 2016-01-06 | 珠海优品生活科技有限公司 | A kind of composite filter element mechanism |
-
2017
- 2017-07-18 WO PCT/EP2017/068088 patent/WO2018028948A1/en active Application Filing
- 2017-07-18 CN CN201790001141.2U patent/CN209696412U/en active Active
-
2019
- 2019-01-04 PH PH22019500002U patent/PH22019500002Y1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018028948A1 (en) | 2018-02-15 |
| PH22019500002U1 (en) | 2020-08-28 |
| PH22019500002Y1 (en) | 2020-08-28 |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210805 Address after: Rotterdam Patentee after: Unilever Intellectual Property Holdings Ltd. Address before: Rotterdam Patentee before: Netherlands Unilever Co.,Ltd. |