CN107399837A - A kind of integrated counter-infiltration filter core - Google Patents
A kind of integrated counter-infiltration filter core Download PDFInfo
- Publication number
- CN107399837A CN107399837A CN201610342936.1A CN201610342936A CN107399837A CN 107399837 A CN107399837 A CN 107399837A CN 201610342936 A CN201610342936 A CN 201610342936A CN 107399837 A CN107399837 A CN 107399837A
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- China
- Prior art keywords
- filter core
- counter
- collector pipe
- infiltration
- infiltration filter
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- 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.)
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/44—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
Abstract
The present invention relates to a kind of integrated counter-infiltration filter core, collector pipe is provided with described counter-infiltration filter core center, collector pipe is provided with inlet, and the water purification of counter-infiltration filter element filtering is collected and flowed into collector pipe by the inlet；Rearmounted filter core is provided with described collector pipe, the rearmounted filter core is further filtered to the water purification for flowing into collector pipe.By above-mentioned setting, by rearmounted filter core integrated installation in the collector pipe of counter-infiltration filter core, to cause the water purification that counter-infiltration filter core has been integrated after being filtered to reverse osmosis filter membrane to improve mouthfeel, add the rearmounted filter core of the functions such as mineral matter；Meanwhile make the overall dimensions of the integrated reverse osmosis filter core after integrating not change, reach optimization design, reduced filter core number, improve the integrated horizontal purpose of filter core.Meanwhile the present invention is simple in construction, significant effect, suitably promotes the use of.
Description
Technical field
The present invention relates to a kind of filter core in water purifier field, more particularly to it is a kind of be integrated with rearmounted filter core, it is integrated anti-
Permeate filter core.
Background technology
At present, reverse osmosis water purifier is made up of multi-stage filter core, and each filter core is wrapped up by a filter flask, and traditional water purifier has
At least four filter flasks, this causes pipe joint more, leak increased risk, and cost is high.Consumer needs when changing filter core
Each filter core is regularly replaced, replacement cost is high, and it is inconvenient to change filter core.
Particularly, (described rearmounted filter core is installed on reverse osmosis filter for the counter-infiltration filter core of reverse osmosis water purifier and rearmounted filter core
In the downstream pipe of core, with the water purification to counter-infiltration filter element filtering, filter again to add mineral composition) install respectively
In different filter flasks, the installation inconvenience of machine is result in, package size is increased, increases joint quantity.
In view of this, it is special to propose the present invention.
The content of the invention
It is an object of the invention to provide a kind of integrated counter-infiltration filter core, to reach rearmounted filter core and counter-infiltration filter core
The integrally disposed purpose being integrated.Another object is, adjusts the flow rate of water flow of counter-infiltration filter core, improves counter-infiltration filter core
Filter efficiency.
For achieving the above object, adopt the following technical scheme that：
A kind of integrated counter-infiltration filter core, it is characterised in that：Collector pipe is provided with described counter-infiltration filter core center, is collected
Water pipe is provided with inlet, and the water purification of counter-infiltration filter element filtering is collected and flowed into collector pipe by the inlet；Described collection
Rearmounted filter core is provided with water pipe, the rearmounted filter core is further filtered to the water purification for flowing into collector pipe.
Further, described rearmounted filter core includes hollow cylindrical shell, and multiple through holes are placed with cylindrical shell, will
Enclosure interior cavity is connected with collector pipe；Filled with activated carbon granule, alkalescent Ceramic Balls, ore deposit in enclosure interior cavity
Material ball, one kind in antibacterial ball or combination.
Further, described rearmounted filter core is column integrative-structure, and the rearmounted filter core of column integrative-structure is by activated carbon, weak
One kind or combination in alkaline ceramic, mineral matter, antibacterial material are formed.
It is further preferred that described rearmounted filter core is set for inner hollow, solid can also set.
Further, the first end of collector pipe is closed, the second end opening is set；The opening at the end of collector pipe second forms water purification and gone out
Mouthful；The rearmounted filter core is coaxially disposed in collector pipe, and one end covering pure water inlet of rearmounted filter core is set.
Further, the diameter of the rearmounted filter core is less than inner circumferential diameter, the diameter more than pure water inlet of collector pipe；It is described
The length of rearmounted filter core be less than or equal to collector pipe first end and the distance between second end, the first end more than collector pipe and
2/3rds of distance between second end.
Further, the counter-infiltration filter core is held between intake end cover and water outlet end cap；The center of described intake end cover
Place is provided with water inlet, and pure water inlet is provided with the center of water outlet end cap, concentrated water outlet is provided with periphery；Described is net
Water out is connected with collector pipe, and described water inlet and concentrated water outlet are connected with outside counter-infiltration filter core respectively.
Further, described collector pipe is coaxially disposed with intake end cover and water outlet end cap, collector pipe close to intake end cover one
It is the second end to hold as one end of first end, close water outlet end cap；The first end of collector pipe is set through water deflector seal, second
End opening is set；The dismountable or fixed water side that is installed on of rearmounted filter core covers and catchmented from the insertion of the second end opening
Guan Zhong.
Further, outwardly lug boss, the lug boss and counter-infiltration filter core are provided with the center of the intake end cover
Between it is spaced apart with form intake chamber.
Further, described counter-infiltration filter core is made up of the pocket-type RO films set around collector pipe volume, and pocket-type RO films are by two
Piece RO films are formed, and three side seals connection of two panels RO films, a side openings are set to form pocket-type；Pocket
Inlet of the open side of formula RO films through being set on collector pipe inside collector pipe with being connected.
Further, the non-lug boss of the intake end cover gluing, sealing connection corresponding with the first end of the second filter core；Water side
The lid gluing, sealing connection corresponding with the second end of the second filter core, and through hole is set at water outlet end cap neighboring.It is described
Through hole the second filter core is communicated with the outside, remaining concentrated water after the second filter element filtering is discharged so that water outlet end cap
The through hole set at periphery forms the concentrated water outlet for the discharge of counter-infiltration filter element filtering residue concentrated water.
Preferably, the non-lug boss of intake end cover is corresponding with the first end of pocket-type RO films with glue bonding or super
Sound wave welds；Water outlet end cap is corresponding with the second end of pocket-type RO films with glue bonding or ultrasonic bonding, with
Make the Inner Constitution water purification runners of pocket-type RO films, form concentrated water runner outside pocket-type RO films, and make into water along pocket
The circumferential flow of formula RO films, improve the flow distance of water inlet, improve cleaning water.
Further, described counter-infiltration filter core is installed in closed housing, and described housing is provided with to counter-infiltration filter core
The water inlet of first end water inlet, the pure water inlet of water purification after be connected with collector pipe, outflow filtering, and filtered from counter-infiltration
Core second brings out the concentrated water outlet of water.
Using above-mentioned technical proposal, the present invention is compared with the advantage of prior art：
1st, by above-mentioned setting in the present invention, by rearmounted filter core integrated installation in the collector pipe of counter-infiltration filter core, so that
Obtain the rearmounted filter core that the water purification that counter-infiltration filter core has been integrated after being filtered to reverse osmosis filter membrane adds mineral matter etc.；Together
When, the overall dimensions of the integrated reverse osmosis filter core after order is integrated do not change, and have reached optimization design, have reduced filter core
Number, improve the integrated horizontal purpose of filter core；
2nd, by setting outwardly protuberance on intake end cover, to cause structure between water inlet and counter-infiltration filter core
Into water inlet chamber, to accelerate the water inlet flow rate of water flow of counter-infiltration filter core so that the water-flow equation at counter-infiltration filter core is more equal
It is even, counter-infiltration filter core concentration polarization phenomenon odds is reduced, avoids the occurrence of the reduction of filter element filtering efficiency,
Extend the usage time of counter-infiltration filter core；
3rd, it is made up of the pocket-type RO films for setting counter-infiltration filter core by rolling up so that water inlet at counter-infiltration filter core is along pocket
The volume set direction of formula RO films outwards flows from center, adds the flow distance into water, improves filter efficiency；Meanwhile
Space between intake end cover and water outlet end cap is divided into two separate runners by pocket-type RO films, to realize
Water purification after filter and the concentrated water flowing that travel direction is opposite in two relatively independent runners respectively after residue, are avoided net
The occurrence of water contacts with concentrated water, improve filter efficiency；
Meanwhile the present invention is simple in construction, significant effect, suitably promotes the use of.
Brief description of the drawings
The cross-sectional configuration schematic diagram of integrated counter-infiltration filter core in Fig. 1 embodiment of the present invention；
The expansion of counter-infiltration filter core flows to schematic diagram in Fig. 2 embodiment of the present invention.
Main element explanation：0-shell, 1-intake end cover, 2-counter-infiltration filter core, 3-rearmounted filter core, 4-water outlet
End cap, 5-water inlet chamber, 6-water fender, 7-collector pipe, 8-lug boss, 9-non-lug boss, 10-water inlet,
11-pure water inlet, the outlet of 12-concentrated water.
Embodiment
The present invention is described in more detail with reference to embodiment.
As shown in figure 1, describing a kind of integrated counter-infiltration filter core 2 in the embodiment of the present invention, it includes being arranged on shell
Counter-infiltration filter core 2 in body 0；Described counter-infiltration filter core 2 is installed in independent closed shell 0, described housing
0 is provided with the water inlet 10 intake to the first end of counter-infiltration filter core 2, is connected with set collector pipe 7 in counter-infiltration filter core 2
The pure water inlet 11 of water purification after logical, outflow filtering, and bring out from counter-infiltration filter core 2 second the concentrated water outlet 12 of water.
The first end of counter-infiltration filter core 2 and the second end are respectively arranged at the opposite end of housing 0, to increase at counter-infiltration filter core 2
The length of current, improve filter efficiency.
In the embodiment of the present invention, collector pipe 7 is provided with the described center of counter-infiltration filter core 2, collector pipe 7, which is provided with, to catchment
Mouthful, the water purification that the inlet filters counter-infiltration filter core 2, which is collected, to be flowed into collector pipe 7；Set in described collector pipe 7
There is rearmounted filter core 3, the rearmounted filter core 3 is further filtered to the water purification for flowing into collector pipe 7.
By by the rearmounted integrated installation of filter core 3 in the collector pipe 7 of counter-infiltration filter core 2, to cause counter-infiltration filter core 2 one
The water purification that body is integrated with after being filtered to reverse osmosis filter membrane adds the rearmounted filter core 3 of mineral matter etc.；Meanwhile after order is integrated
The overall dimensions of integrated reverse osmosis filter core 2 do not change, and have reached optimization design, have reduced filter core number, improve filter core
Integrated horizontal purpose.
Embodiment one
In the present embodiment, described collector pipe 7 is at the center of counter-infiltration filter core 2, and along the axle of counter-infiltration filter core 2
To extension, collector pipe 7 is connected with pure water inlet 11；Meanwhile described concentrated water outlet 12 is disposed in proximity to counter-infiltration
At the periphery of filter core 2, in order to inflow water purification of the water inlet after the filtration treatment of counter-infiltration filter core 2 to center position flowing,
Filter remaining concentrated water to flow to peripheral direction so that the flow direction of water purification and concentrated water in different runners is on the contrary, to enter one
Step improves the filter efficiency of counter-infiltration filter core 2.
In the present embodiment, described rearmounted filter core 3 includes hollow cylindrical shell, and multiple through holes are placed with cylindrical shell,
So that cylindrical shell internal cavities to be connected with collector pipe 7；Filled with activated carbon granule, weak in cylindrical shell internal cavities
Alkaline ceramic ball, mineral matter ball, one kind in antibacterial ball or combination.
In the present embodiment, the first end of collector pipe 7 is closed, the second end opening is set；The opening structure at the end of collector pipe 7 second
Into pure water inlet；The rearmounted filter core 3 is coaxially disposed in collector pipe 7, and one end covering water purification of rearmounted filter core 3 goes out
Mouth 11 is set.Being set by the way that rearmounted filter core 3 is covered into pure water inlet so that the water purification of outflow can all pass through rearmounted filter core 3,
Substantially increase the service efficiency and filter effect of rearmounted filter core 3.
In the present embodiment, the diameter of the rearmounted filter core 3 is less than the inner circumferential diameter of collector pipe 7, more than pure water inlet 11
Diameter；Preferably, the length of the rearmounted filter core 3 be less than or equal to collector pipe 7 first end and the second end between away from
From 2/3rds with a distance between, the first end more than collector pipe 7 and the second end.Pass through above-mentioned setting so that rearmounted filter
Between core 3 and the inwall of collector pipe 7 mutually across a certain distance, in order to which current flow into from inlet on collector pipe 7, pipe is reduced
The probability that road blocks.
Embodiment two
In the present embodiment, the counter-infiltration filter core 2 is held between intake end cover 1 and water outlet end cap 4；Described water inlet
Water inlet 10 is provided with the center of end cap 1, pure water inlet 11 is provided with the center of water outlet end cap 4, is set at periphery
There is concentrated water to export 12；Described pure water inlet 11 is connected with collector pipe 7, described water inlet and concentrated water outlet difference
It is connected with outside counter-infiltration filter core 2.
In the present embodiment, described collector pipe is coaxially disposed with intake end cover 1 and water outlet end cap 4, and collector pipe is close to water inlet
One end of end cap 1 is first end, one end of close water outlet end cap 4 is the second end；The first end of collector pipe 7 is through water fender
6 sealed sets, the second end opening are set；Rearmounted filter core 3 is dismountable or fixed to be installed on water outlet end cap 4, simultaneously
Inserted from the second end opening in collector pipe 7.
In the present embodiment, described counter-infiltration filter core 2 is counter-infiltration filter core 2 or the nanofiltration that fine filtering is carried out to water inlet
Filter core.Preferably, described counter-infiltration filter core 2 is made up of reverse osmosis (RO) film or nanofiltration core etc., to remove in water inlet
The impurity of contained smaller particle, realize the fine filtering to water inlet.
Preferably, in the present embodiment, described counter-infiltration filter core 2 by being formed around collector pipe pocket-type RO films set of volume 7,
Pocket-type RO films are made up of two panels RO films, the connection of three side seals of two panels RO films, a side openings set with
Form pocket-type；Inlet of the open side of pocket-type RO films through being set on collector pipe inside collector pipe 7 with being connected.
So as to as shown in Figure 2 so that the water inlet that counter-infiltration filter core 2 is flowed into from first end is circumferential from housing 0 along pocket-type RO films
Center is flowed to peripheral direction, and through pocket-type RO membrane filtrations in flow process, water purification flows into pocket-type after order filtering
In RO films, and then cause the circumferential center from outside housing 0 in the runner of pocket-type RO film Inner Constitutions of the water purification after filtering
From the center of housing 0 to periphery side in the runner that remaining concentrated water is formed outside pocket-type RO films after direction flowing, filtering
To flowing, the water inlet purpose that water purification and remaining concentrated water flow out respectively after pocket-type RO membrane filtrations is realized.
Meanwhile in order to improve the water inlet of pocket-type RO films, water outlet by property, set in the outer side covers of pocket-type RO films
Have into water filter, to form gap between the pocket-type RO films that set of volume, in order to which feed water flow is through pocket-type RO films,
Improve overall filter efficiency.
Certainly, in the present embodiment, the axis of counter-infiltration filter core 2 can vertically extend, can also prolong in the horizontal direction
Stretch；Can be with, intake end cover 1 is arranged at top, water outlet end cap 4 can also be arranged to top.Preferably, in order to
The uniformity of filtered water stream is improved, the axis of counter-infiltration filter core 2 is vertically extended, meanwhile, in order to slow down current
Speed, by intake end cover 1 be arranged at lower section, water outlet end cap 4 be arranged at top.
Embodiment three
In the present embodiment, be provided with outwardly lug boss 8 at the center of the intake end cover 1, the lug boss 8 with
It is spaced apart with composition water inlet chamber between counter-infiltration filter core 2.In the present embodiment, the non-lug boss of intake end cover 1
The 8 gluing, sealing connections corresponding with the first end of counter-infiltration filter core 2；Water outlet end cap 4 and the second of counter-infiltration filter core 2
Corresponding gluing, sealing is held to connect；Preferably, the first end of the non-lug boss 8 of intake end cover 1 and pocket-type RO films
Corresponding glue bonding or ultrasonic bonding；The use corresponding with the second end of pocket-type RO films of water outlet end cap 4
Glue bonding or ultrasonic bonding, to make the Inner Constitution water purification runner of pocket-type RO films, pocket-type RO films outside structure
Into concentrated water runner, and make the circumferential flow into water along pocket-type RO films, improve the flow distance of water inlet, improve water purification effect
Rate.
In the present embodiment, outwardly lug boss 8 is provided with the center of the water outlet end cap 4, the lug boss 8
Opening is provided with the water fender 6 that covering is set, water fender 6 and the common besieged city water inlet chamber of lug boss 8；Lug boss 8
At a distance of a determining deviation between opening and the periphery of water fender 6, water inlet chamber is connected with counter-infiltration filter core 2；It is described
The center of lug boss 8 be provided with water inlet 10, to realize the purpose uniformly intake from counter-infiltration filter core center.
Preferably, described lug boss 8 is coaxially disposed with water fender 6, and water fender 6 is horizontally disposed.It is further preferred that
In a ring, described annular gap is coaxially disposed with intake end cover 1 in gap between the described periphery of water fender 6 and opening；
Still further preferably, the outer circumference diameter of the annular gap is more than half, the inner circumferential of the outer circumference diameter of intake end cover 1
Diameter is less than the half of the outer circumference diameter of intake end cover 1, and to intake, current flow into from the central region of second chamber,
To cause water inlet uniformly to be spread to the center of counter-infiltration filter core 2 and outside, the service efficiency of raising counter-infiltration filter core 2,
Improve filter effect.
By setting outwardly protuberance at the intake end cover center of counter-infiltration filter core 2, and in the opening of lug boss
Place sets water fender, and to form the water inlet chamber in the upstream of counter-infiltration filter core 2, order flows into the current of counter-infiltration filter core 2
First uniformly flowed into counter-infiltration filter core 2 from water inlet end through chamber shunting of intaking, order water inlet, make more uniformly spreading into water；
Meanwhile counter-infiltration filter core 2 is made to serve voltage stabilizing, adjust the effect of flow velocity.
In the present embodiment, the described center of water outlet end cap 4 is provided with pure water inlet 11, the close periphery of the water outlet end cap 4
Place is provided with concentrated water outlet 12；Preferably, described water outlet end cap 4 is provided with the concentrated water outlet 12 set along a circumference,
The a plurality of dowel radially extended is provided with described circular concentrated water outlet 12, concentrated water is exported 12 points by each dowel
Multi-section circular arc shape through hole is segmented into, and concentrated water outlet 12 is divided into the two-part phase of water outlet end cap 4 and is fixedly connected.
It is further preferred that in the present embodiment, described housing 0 also includes being located at water outlet with upper end cover, the upper end cover
At a distance of a determining deviation above end cap and with water outlet end cap, to form water outlet chamber；Described concentrated water outlet 12 and water outlet
Chamber is connected, and described pure water inlet 11 directly passes water outlet chamber by the road.So as to so that counter-infiltration filter core 2
The water purification of filtering flows directly out through pure water inlet 11, and remaining filthy water goes out through water outlet chamber heel row after filtering.
By the way that counter-infiltration filter core 2 is held between intake end cover and water outlet end cap, and make the water side side of covering that water chamber is set
Room, with the time of contact for reducing the counter-infiltration filter core 2 in second chamber with filtering remaining filthy water, improve counter-infiltration filter core
2 filter efficiency and the service life for extending counter-infiltration filter core 2.
Embodiment in above-described embodiment can be further combined or replace, and embodiment is only to the excellent of the present invention
Select embodiment to be described, not the spirit and scope of the present invention are defined, do not depart from design philosophy of the present invention
Under the premise of, various changes and modifications that professional and technical personnel in the art make to technical scheme, belong to this
The protection domain of invention.
Claims (10)
- A kind of 1. integrated counter-infiltration filter core, it is characterised in that：Collector pipe is provided with described counter-infiltration filter core center, Collector pipe is provided with inlet, and the water purification of counter-infiltration filter element filtering is collected and flowed into collector pipe by the inlet；Described Rearmounted filter core is provided with collector pipe, the rearmounted filter core is further filtered to the water purification for flowing into collector pipe.
- A kind of 2. integrated counter-infiltration filter core according to claim 1, it is characterised in that：Described rearmounted filter Core includes hollow cylindrical shell, is placed with multiple through holes on cylindrical shell, enclosure interior cavity is connected with collector pipe It is logical；In enclosure interior cavity filled with activated carbon granule, alkalescent Ceramic Balls, mineral matter ball, one kind in antibacterial ball or Combination；Preferably, described rearmounted filter core is column integrative-structure, and the rearmounted filter core of column integrative-structure is by activated carbon, weak One kind or combination in alkaline ceramic, mineral matter, antibacterial material are formed.
- A kind of 3. integrated counter-infiltration filter core according to claim 2, it is characterised in that：The first of collector pipe Closed, the second end opening is held to set；The opening at the end of collector pipe second forms pure water inlet；The rearmounted filter core is coaxially disposed In collector pipe, and one end covering pure water inlet of rearmounted filter core is set.
- A kind of 4. integrated counter-infiltration filter core according to claim 3, it is characterised in that：The rearmounted filter core Diameter be less than collector pipe inner circumferential diameter, the diameter more than pure water inlet；The length of the rearmounted filter core is less than or equal to the distance between first end and second end of collector pipe.
- A kind of 5. integrated counter-infiltration filter core according to any one of claims 1 to 4, it is characterised in that：It is described Counter-infiltration filter core is held between intake end cover and water outlet end cap；Water inlet is provided with the center of described intake end cover, is gone out Pure water inlet is provided with the center of water end (W.E.) lid, concentrated water outlet is provided with periphery；Described pure water inlet and collector pipe phase Connection, described water inlet and concentrated water outlet are connected with outside counter-infiltration filter core respectively.
- A kind of 6. integrated counter-infiltration filter core according to claim 5, it is characterised in that：Described collector pipe It is coaxially disposed with intake end cover and water outlet end cap, collector pipe is first end, close to water outlet end cap close to one end of intake end cover One end be the second end；The first end of collector pipe is set through water deflector seal, the second end opening is set；Rearmounted filter core is removable The water side that is installed on unload or fixed covers and inserted from the second end opening in collector pipe.
- A kind of 7. integrated counter-infiltration filter core according to claim 6, it is characterised in that：The intake end cover Center at be provided with outwardly lug boss, between the lug boss and counter-infiltration filter core it is spaced apart with form into Water chamber.
- A kind of 8. integrated counter-infiltration filter core according to any one of claims 1 to 4, it is characterised in that：It is described Counter-infiltration filter core by being formed around the pocket-type RO films that set of collector pipe volume, pocket-type RO films are made up of two panels RO films, two Three side seals connection of piece RO films, a side openings are set to form pocket-type；The open side of pocket-type RO films Inlet through being set on collector pipe inside collector pipe with being connected.
- A kind of 9. integrated counter-infiltration filter core according to claim 8, it is characterised in that：Intake end cover it is non- The lug boss gluing, sealing connection corresponding with the first end of the second filter core；Water outlet end cap is relative with the second end of the second filter core The gluing, sealing connection answered, and through hole is set at water outlet end cap neighboring.
- A kind of 10. integrated counter-infiltration filter core according to any one of claims 1 to 4, it is characterised in that：Institute The counter-infiltration filter core stated is installed in closed housing, and described housing is provided with to what counter-infiltration filter core first end was intake The mouth of a river, the pure water inlet of water purification after be connected with collector pipe, outflow filtering, and bring out water from counter-infiltration filter core second Concentrated water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610342936.1A CN107399837A (en) | 2016-05-20 | 2016-05-20 | A kind of integrated counter-infiltration filter core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610342936.1A CN107399837A (en) | 2016-05-20 | 2016-05-20 | A kind of integrated counter-infiltration filter core |
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| CN107399837A true CN107399837A (en) | 2017-11-28 |
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| CN111115871A (en) * | 2018-10-31 | 2020-05-08 | 佛山市顺德区美的饮水机制造有限公司 | Composite filter element and water treatment device with same |
| CN111115883A (en) * | 2018-10-31 | 2020-05-08 | 佛山市顺德区美的饮水机制造有限公司 | Composite filter element and water treatment device with same |
| CN111115757A (en) * | 2018-10-31 | 2020-05-08 | 佛山市顺德区美的饮水机制造有限公司 | RO filter element group spare and have its composite filter, water treatment facilities |
| CN111115873A (en) * | 2018-10-31 | 2020-05-08 | 佛山市顺德区美的饮水机制造有限公司 | Composite filter element and water treatment device with same |
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| CN110040860A (en) * | 2018-01-17 | 2019-07-23 | 九阳股份有限公司 | Reverse osmosis composite filter element component |
| CN110040860B (en) * | 2018-01-17 | 2022-02-01 | 九阳股份有限公司 | Reverse osmosis composite filter element assembly |
| CN111115871A (en) * | 2018-10-31 | 2020-05-08 | 佛山市顺德区美的饮水机制造有限公司 | Composite filter element and water treatment device with same |
| CN111115883A (en) * | 2018-10-31 | 2020-05-08 | 佛山市顺德区美的饮水机制造有限公司 | Composite filter element and water treatment device with same |
| CN111115757A (en) * | 2018-10-31 | 2020-05-08 | 佛山市顺德区美的饮水机制造有限公司 | RO filter element group spare and have its composite filter, water treatment facilities |
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Application publication date: 20171128 |