CN108392993A - Filter core and purifier - Google Patents
Filter core and purifier Download PDFInfo
- Publication number
- CN108392993A CN108392993A CN201710065406.1A CN201710065406A CN108392993A CN 108392993 A CN108392993 A CN 108392993A CN 201710065406 A CN201710065406 A CN 201710065406A CN 108392993 A CN108392993 A CN 108392993A
- Authority
- CN
- China
- Prior art keywords
- filter
- films
- filter core
- layer
- filter layers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- 239000000835 fiber Substances 0.000 claims description 10
- 229920000742 Cotton Polymers 0.000 claims description 6
- 241000219146 Gossypium Species 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 241000196324 Embryophyta Species 0.000 claims 1
- 239000003344 environmental pollutant Substances 0.000 abstract description 12
- 231100000719 pollutant Toxicity 0.000 abstract description 12
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/26—Polyalkenes
-
- 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
- B01D29/114—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 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
- B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
- B01D29/56—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 multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—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 multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/04—Characteristic thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/06—Surface irregularities
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The present invention discloses a kind of filter core and purifier, wherein the filter core includes shell, and the shell is equipped with inlet and outlet, and has the water route for being connected to the water inlet and the water outlet in the shell；And PP filter layers, it is set in the water route, the PP filter layers include at least one layer PP films, and the surface of the PP films is arranged in male and fomale(M＆F).Technical solution of the present invention can increase the pollutant carrying capacity of PP filter layers, improve the service life of PP filter layers.
Description
Technical field
The present invention relates to purifier field, more particularly to a kind of filter core and purifier.
Background technology
The pollutant carrying capacity of the PP filter layers of existing filter core is weaker, keeps the service life of PP filter layers shorter, is using one
After the section time, PP filter layers will appear the problems such as filter capacity declines, filtered water cannot reach sanitary standard, so just needing
PP filter layers are replaced in time, to ensure the normal use of filter core.This results in frequently replacing PP filter layers when using filter core,
Cause user inconvenient for use.
Invention content
The main object of the present invention is to propose a kind of filter core, it is intended to which the pollutant carrying capacity for improving PP filter layers extends its use
Service life.
To achieve the above object, filter core proposed by the present invention, including shell, the shell are equipped with water inlet and water outlet
Mouthful, and there is the water route for being connected to the water inlet and the water outlet in the shell；And PP filter layers, it is set to the water route
Interior, the PP filter layers include at least one layer PP films, and the surface of the PP films is arranged in male and fomale(M＆F).
Preferably, the material of the PP films is PP non-woven fabrics or PP cottons.
Preferably, the range of the depth of the height and recess of the protrusion of the PP films is 0.1mm~2mm.
Preferably, the range for the area that the protrusion and recess of the PP films project on the PP films is 0.1mm2~
2mm2。
Preferably, the gross area that the protrusion and recess of the PP films project on the PP films accounts for the ratio of PP membrane areas
Ranging from 0.25~0.75.
Preferably, the diameter range of the filter hole of the PP filter layers is 5 μm~20 μm.
Preferably, the thickness of the PP films is 0.1mm~1mm.
Preferably, further include the second filter layer, the PP filter layers and the cylindrical setting of second filter layer,
In, second filter layer is sheathed in the PP filter layers, and the liquid that need to be filtered is from the PP filter layers to second mistake
Filtering layer flows.
Preferably, second filter layer is activated carbon fibre winding layer.
Preferably, the thickness ratio of the PP filter layers and the activated carbon fibre winding layer is 1~5.
The present invention also proposes that a kind of purifier, the purifier include filter core, and the filter core includes shell, the shell
Body is equipped with inlet and outlet, and has the water route for being connected to the water inlet and the water outlet in the shell；And
PP filter layers are set in the water route, and the PP filter layers include at least one layer PP films, and the surface of the PP films is in male and fomale(M＆F)
Setting.
Technical solution of the present invention is arranged by using the surface for the PP films that will form PP filter layers in male and fomale(M＆F), from water inlet
It flows out from water outlet after the filtering of PP filter layers into the water in filter core, since the surface of PP films is arranged in male and fomale(M＆F), improves
The pollutant carrying capacity of PP films, can filter the water of more various flow, that is, extend its service life.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of filter core of the present invention；
Fig. 2 is the structural schematic diagram of the filter layer of filter core in Fig. 1；
Fig. 3 is the enlarged structure schematic diagram at A in Fig. 2.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Filter core | 31 | PP films |
| 10 | Central tube | 311 | Filter hole |
| 20 | Activated carbon fibre turns around layer | 312 | Protrusion |
| 30 | PP filter layers | 313 | Recess |
| 40 | Shell |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in the picture) between each component,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, it is somebody's turn to do " first ", " second " etc.
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, when the knot that conflicting or cannot achieve when will be understood that this technical solution occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection domain within.
The present invention proposes a kind of filter core.
In an embodiment of the present invention, as shown in Figures 1 to 3, which is used for purifier, which is characterized in that packet
It includes：Shell 40, shell 40 are equipped with inlet and outlet, and have the water route of connection inlet and outlet in shell 40；
And PP filter layers 30, it is set in water route, PP filter layers 30 include at least one layer PP films 31, and the surface of PP films is set in male and fomale(M＆F)
It sets.
Specifically, in filter process, raw water enters filter core 100 from water inlet, by PP filter layers 30 filtering after, then from
Water outlet flows out.The surface of PP films 31 is arranged in concave-convex, and which improves the roughness on 31 surface of PP films, make the table of PP films 31
Face can accommodate more pollutants, c correspondingly increase the pollutant carrying capacity of PP films 31, extend the service life of PP films 31.Its
In, the PP films 31 in the present embodiment increase one times or more in the service life of the same terms than melt-blown PP cottons.In the present embodiment
In, the thickness of PP films 31 is constant (certain 31 thickness of PP films can have certain error), surface irregularity, PP films
31 side convex setting, be just correspondingly arranged at recess in the other side, certainly on the same side of PP films 31
Both there is protrusion, it may have recess, following discussion is with for the one side of PP films.One is set in every one side of PP films 31
Reference plane, the protrusion 312 and recess 313 of side are for the reference plane of the side, and the side on PP films 31 is except tool
Have outside protrusion 312 and recess 313, also there is the concordant place that is overlapped with reference plane, protrusion 312 as described below and be recessed 313 and
Relationship between PP films 31 each means the relationship between protrusion 312 and recess 313 and the reference plane of respective side.And the thickness of PP films 31
Degree refers to just the thickness of the corresponding section on the surface of 31 both sides of PP films.
When the filter layer of the PP filter layers 30 and other type collectively constitutes filter core 100, due to receiving for the PP filter layers 30
Dirty ability improves, and does not have to frequent cleaning or replaces filter core 100, more convenient to use, and reduces cost.Wherein, as the PP
When filter layer 30 is applied in combination with other filter layers, first passes through after PP filter layers 30 filter and pass through from the water of water inlet inflow
Other filter layer filterings, finally flow out from water outlet.PP filter layers 30 filter out the pollutant in water, make to enter other mistakes
The water of filtering layer is comparatively clean, preferably plays its corresponding filter capacity.
In the present embodiment, as shown in Figure 1, filter core 100 is cylindrical in shape setting, columned central tube 10 is arranged inside, in
Heart pipe 10 is equipped with several limbers, and one end of central tube 10 connect with water outlet, and limbers along the inside of central tube 10 and
Water outlet is connected to, and PP filter layers 30 are sheathed on central tube 10, other filter layers be sheathed on PP filter layers 30 and central tube 10 it
Between.When PP filter layers 30 are made of multilayer PP films 31, PP filter layers 30 can be formed by 31 solderless wrapped connection of PP films, if can also be by dried layer
PP films 31, which are erected on by one layer on another layer, to be arranged, and preferably, connecing in both between two adjacent bonding layers
It is overlapped at head.PP filter layers 30 are shown in Fig. 2 to be formed by 31 solderless wrapped connection of PP films.
Preferably, the material of PP films 31 is PP non-woven fabrics or/and PP cottons.Wherein PP cottons can be coiling PP cottons.Using upper
The PP films 31 for several materials stated, can reduce cost, and PP filter layers 30 is made to have stronger pollutant carrying capacity.
As shown in figure 3, ranging from 0.1mm~2mm of the depth of the height of the protrusion 312 of PP films and recess 313.Due to PP
The thinner thickness of film 31 is arranged excessively high 312 height of protrusion or 313 depth of recess, makes the PP filter layers 30 under same thickness
The number of plies of PP films 31 is smaller, the filter capacity of reduction PP filter layers 30, and too low 312 height of protrusion or 313 depth of recess
Keep 31 pollutant carrying capacity of PP films small, falls flat.312 height of protrusion of male and fomale(M＆F) or recess 313 depth setting are existed
In above-mentioned range, facilitate making processing PP films 31, and ensure enough pollutant carrying capacities.Wherein, the height and recess of protrusion 312
313 depth is relative to for the PP film reference planes of the side.
Further, the protrusion 312 of PP films and recess 313 project to the ranging from 0.1mm of the area on PP films 312~
2mm2.Here, it should be appreciated that recess 313 on PP films 31 or protrusion 312 can be close with size, it can also be not of uniform size.
By being arranged the projected area of protrusion 312 or recess 313 on PP films 31 in above-mentioned range, PP films 31 have both been avoided
On protrusion 312 or recess it is 313 too small, be unfavorable for improving the roughness of PP films 31, but can to avoid PP films 31 protrusion 312 or
It is recessed 312 excessive, leads to that enough protrusions 312 and recess 313 cannot be arranged on identical area, is unfavorable for improving PP films 31
Roughness.Projection refers in the reference plane of PP films for project to the side, similarly hereinafter herein.
Wherein, the protrusion 312 of PP films and recess 313 project to gross area ratio on PP films 31 ranging from 0.25~
0.75.Within the above range by ratio setting, you can to ensure the density of protrusion 312 and recess 313, ensure PP films 31 enough
Roughness, and avoid the excessively high manufacture difficulty for increasing PP films 31 of the ratio.
The diameter range of filter hole 311 is 5 μm~20 μm on PP filter layers 30.Within this range by the setting of filter hole 311,
Enable PP filter layers 30 to play the role of preferably crossing shape pollutant in drainage, and ensures speed of the water by PP filter layers 30.
It should be able to expect, filter hole 311 is uniformly distributed on PP films 31, and ensures certain distribution density.Wherein, PP films
Recess 313 and high spot 312 can be equipped with filter hole on 31.
The thickness of PP films 31 is 0.1mm~1mm.Recess 312 and protrusion 312 on PP films 31 are set in irregular shape
It sets, increases roughness, be conducive to the pollutant carrying capacity for improving PP films 31.
Further, the filter layer being applied in combination with PP filter layers 30 is that activated carbon fibre turns around layer 20.PP filter layers 30
The cylindrical setting of layer 20 is turned around with activated carbon fibre, PP filter layers 30 are sheathed on activated carbon fibre and turn around on layer 20, needed
The water of filter flows to activated carbon fibre from PP filter layers 30 and turns around on layer 20, by the way that the bilayer filter core is arranged, can cross water and be filtered dry
Only, the drainage excessively for meeting sanitary standard is obtained.
Wherein, PP filter layers 30 and activated carbon fibre turn around the thickness ratio ranging from 1~5 of layer 20.Setting can be in this way
Ensure filtered water clean hygiene.Both wherein, when PP filter layers 30 being arranged and activated carbon fibre turns around layer 20, should ensure that
Service life it is consistent so that after 100 use of filter core can unify replace, ensure making full use of for each filter layer.
The present invention also proposes a kind of purifier, which includes filter core, and the concrete structure of the filter core is with reference to above-mentioned
Embodiment at least has above-mentioned implementation since this purifier uses whole technical solutions of above-mentioned all embodiments
All advantageous effects caused by the technical solution of example, this is no longer going to repeat them.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
In the scope of patent protection that other related technical areas are included in the present invention.
Claims (11)
1. a kind of filter core, it to be used for purifier, which is characterized in that the filter core includes：
Shell, the shell are equipped with inlet and outlet, and have in the shell be connected to the water inlet and it is described go out
The water route at the mouth of a river；And
PP filter layers are set in the water route, and the PP filter layers include at least one layer PP films, and the surface of the PP films is in recessed
Convex surface is arranged.
2. filter core as described in claim 1, which is characterized in that the material of the PP films is PP non-woven fabrics or PP cottons.
3. filter core as described in claim 1, which is characterized in that the range of the height of the protrusion of the PP films and the depth of recess
It is 0.1mm~2mm.
4. filter core as described in claim 1, which is characterized in that the protrusion and recess of the PP films project on the PP films
The range of area is 0.1mm2~2mm2。
5. filter core as described in claim 1, which is characterized in that the protrusion and recess of the PP films project on the PP films
The gross area accounts for ranging from the 0.25~0.75 of the ratio of PP membrane areas.
6. filter core as described in claim 1, which is characterized in that the diameter range of the filter hole of the PP filter layers be 5 μm~
20μm。
7. filter core as described in claim 1, which is characterized in that the thickness of the PP films is 0.1mm~1mm.
8. the filter core as described in claim 1 to 7 any one, which is characterized in that the filter core further includes the second filter layer, institute
State PP filter layers and the cylindrical setting of second filter layer, wherein second filter layer is same to be located in the PP mistakes
In filtering layer, the liquid that need to be filtered filters laminar flow from the PP filter layers to described second.
9. filter core as claimed in claim 8, which is characterized in that second filter layer is activated carbon fibre winding layer.
10. the filter core as described in right will go 8, which is characterized in that the thickness ratio of the PP filter layers and second filter layer
Value ranging from 1~5.
11. a kind of purifier, which is characterized in that the filter plant includes as described in claims 1 to 10 any one
Filter core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710065406.1A CN108392993B (en) | 2017-02-04 | 2017-02-04 | Filter element and water purifying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710065406.1A CN108392993B (en) | 2017-02-04 | 2017-02-04 | Filter element and water purifying equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108392993A true CN108392993A (en) | 2018-08-14 |
| CN108392993B CN108392993B (en) | 2023-09-01 |
Family
ID=63093543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710065406.1A Active CN108392993B (en) | 2017-02-04 | 2017-02-04 | Filter element and water purifying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108392993B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1179350A (en) * | 1997-12-12 | 1998-04-22 | 马昆 | Structural filter element for purifying water and preparing process thereof |
| JP2001269556A (en) * | 2000-01-20 | 2001-10-02 | Asahi Kasei Corp | Polyethylene hollow fiber-like porous membrane |
| US20130193060A1 (en) * | 2010-08-12 | 2013-08-01 | Mitsubishi Rayon Cleansui Company, Limited | Water purification cartridge |
| CN203379680U (en) * | 2013-08-14 | 2014-01-08 | 天台县永盛滤网有限公司 | Metal sintering felt filter element |
| CN103933784A (en) * | 2014-04-09 | 2014-07-23 | 东华大学 | Preparation method of durable oil-repellant fiber filtration material |
| CN203904091U (en) * | 2014-05-27 | 2014-10-29 | 佛山市顺德区美的饮水机制造有限公司 | Compound reverse osmosis filter element and purifier adopting same |
| CN206463802U (en) * | 2017-02-04 | 2017-09-05 | 佛山市顺德区美的饮水机制造有限公司 | Filter core and purifier |
-
2017
- 2017-02-04 CN CN201710065406.1A patent/CN108392993B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1179350A (en) * | 1997-12-12 | 1998-04-22 | 马昆 | Structural filter element for purifying water and preparing process thereof |
| JP2001269556A (en) * | 2000-01-20 | 2001-10-02 | Asahi Kasei Corp | Polyethylene hollow fiber-like porous membrane |
| US20130193060A1 (en) * | 2010-08-12 | 2013-08-01 | Mitsubishi Rayon Cleansui Company, Limited | Water purification cartridge |
| CN203379680U (en) * | 2013-08-14 | 2014-01-08 | 天台县永盛滤网有限公司 | Metal sintering felt filter element |
| CN103933784A (en) * | 2014-04-09 | 2014-07-23 | 东华大学 | Preparation method of durable oil-repellant fiber filtration material |
| CN203904091U (en) * | 2014-05-27 | 2014-10-29 | 佛山市顺德区美的饮水机制造有限公司 | Compound reverse osmosis filter element and purifier adopting same |
| CN206463802U (en) * | 2017-02-04 | 2017-09-05 | 佛山市顺德区美的饮水机制造有限公司 | Filter core and purifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108392993B (en) | 2023-09-01 |
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