CN204485669U - A kind of filter membrane - Google Patents
A kind of filter membrane Download PDFInfo
- Publication number
- CN204485669U CN204485669U CN201520092329.5U CN201520092329U CN204485669U CN 204485669 U CN204485669 U CN 204485669U CN 201520092329 U CN201520092329 U CN 201520092329U CN 204485669 U CN204485669 U CN 204485669U
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- fenestra
- supporting layer
- layer
- filter membrane
- fibrage
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Abstract
The utility model discloses a kind of filter membrane, comprise the upper surface layer set gradually, first supporting layer, second supporting layer and undersurface layer, wherein, upper surface layer is evenly provided with the first fenestra, the porosity of the first fenestra is 50%-60%, undersurface layer is evenly provided with the second fenestra, the porosity of the second fenestra is 60%-70%, first fenestra is 1: 1.5-2 with the aperture ratio of the second fenestra, the depth ratio of the first fenestra and the second fenestra is 1: 1-1.5, first supporting layer and the second supporting layer are Porous, the structure indentation of the first supporting layer and the second supporting layer, fleam is 75-90 °, the thickness of the first supporting layer is not more than the degree of depth of the first fenestra, the thickness of the second supporting layer is not more than the degree of depth of the second fenestra.It is high that the utility model has filter efficiency, and purifying water effect is good, and water pressure resistance impacts, and intensity is large, long service life, the advantage of easy cleaning.
Description
Technical field
The utility model relates to water-treatment technology field, is specifically related to a kind of filter membrane.
Background technology
Filter membrane is once great technological break-through in the application of water treatment field, comprises the aspect such as desalinization, ultra-pure water manufacture.Filter membrane is to retain the magnitude classification of former particle water, and fenestra is divided into microfiltration membranes from coarse to fine, milipore filter, nano filter membrane and reverse osmosis membrane.Film for clean water treatment should be microfiltration membranes and milipore filter, mainly by the removing such as colloid and planktonic organism, by insoluble iron and manganese removing, and mushroom can can be removed.Use the drinking water of filter membrane process, water quality is not worse than the drinking water that obtains of conventional treatment of cohesion with coagulant, precipitation, filtration, and filter membrane water purification only needs to provide necessary operating pressure, does not need cohesion, precipitation, filters the operations such as water purification.
And existing filter membrane blocks owing to being subject to impurities in water, fluid is strengthened by loss of flood peak during fenestra, rate of flow of fluid reduces, and filter membrane incrustation too much can affect service life, therefore increases the antiblocking ability of filter membrane and ensures that current penetrating power is a problem needing research.In addition, although filter membrane has certain intensity, because construction work amount is large, the impaired water quality that can affect infiltration water of film body, therefore strengthening filtering film strength is also the task of top priority.
Utility model content
An object of the present utility model solves at least the problems referred to above and/or defect, and provide the advantage will illustrated at least below.
The utility model also has an object to be to provide a kind of filter membrane, and have filter efficiency high, purifying water effect is good, and water pressure resistance impacts, and intensity is large, long service life, the advantage of easy cleaning.
In order to realize according to these objects of the present utility model and other advantage, provide a kind of filter membrane, comprise the upper surface layer set gradually, first supporting layer, second supporting layer and undersurface layer, wherein, described upper surface layer is evenly provided with the first fenestra, the porosity of described first fenestra is 50%-60%, described undersurface layer is evenly provided with the second fenestra, the porosity of described second fenestra is 60%-70%, described first fenestra is 1: 1.5-2 with the aperture ratio of described second fenestra, the depth ratio of described first fenestra and described second fenestra is 1: 1-1.5, described first supporting layer and described second supporting layer are Porous, the structure indentation of described first supporting layer and described second supporting layer, described fleam is 75-90 °, the thickness of described first supporting layer is not more than the degree of depth of described first fenestra, the thickness of described second supporting layer is not more than the degree of depth of described second fenestra.
Preferably, described filter membrane, described upper surface layer and described undersurface layer material are silicon carbide ceramics.
Preferably, described filter membrane, the first supporting layer and the second supporting layer material are silicon carbide ceramics.
Preferably, described filter membrane, also comprise fibrage, described fibrage is filled between described first supporting layer and described second supporting layer, described fibrage is helicoidal structure, described fiber layer thickness be described first supporting layer and described second supporting layer thickness and, described fibrage material is ceramic fibre.
Preferably, described filter membrane, also comprises at least one reinforcement, and described reinforcement level is arranged in described fibrage, and described reinforcement is single monofilament fiber.
Preferably, described filter membrane, described filter membrane is one-body molded by adding drop stamping.
Preferably, described filter membrane, the diameter of the punching press point of described filter membrane is 0.05-0.15mm.
The utility model at least comprises following beneficial effect:
The first, traditional single layer filter film is arranged to the multiple filtration film of water (flow) direction, increase the footprint to current, first fenestra porosity, for 50-60%, current enter filter membrane from upper surface layer under hydraulic pressure, second fenestra porosity is comparatively large, and be 60-70%, current more easily flow out from undersurface layer after filtering absorption layer by layer;
The second, the first fenestra is 1: 1.5-2 with the second fenestra aperture ratio, the first fenestra being convenient to current less from aperture flows into, second fenestra larger from aperture flows out, be not trapped in filter membrane, the aperture degree of depth of the first fenestra and the second fenestra is 1: 1-1.5, be convenient to current and carry out depth-type filtration through supporting layer and fibrage rapidly, the second fenestra aperture is comparatively dark, makes cleaned current discharge filter membrane in order;
Three, the first supporting layer and the second supporting layer are Porous, be convenient to current pass through, laciniation increases the contact area of current and layer material, and sawtooth is 75-90 °, balance storage capacity and the number of teeth, first supporting layer thickness is not more than the first fenestra degree of depth, carries out one deck filtration to current, and the thickness of the second supporting layer is not more than the second fenestra, three layer filtration is carried out to the current after fibrage two layers filters, layer material thickness becomes large, and filtering accuracy uprises, and water quality becomes pure;
Four, upper surface layer, the first supporting layer, undersurface layer and the second supporting layer material select silicon carbide ceramics, there is powerful filtering function, there are thousands upon thousands microscopic pinholes on its surface, energy filtering objectionable impurities and all pathogenetic bacterias, preserve the useful mineral matter of human body and trace element, and easy-formation;
Five, at the first supporting layer and the second supporting layer alkali fiberfill fibers layer, form netted bridge formation, serve the effect that middle undertaking is filtered, tissue particles enters internal voids, fibrage curl, loading density is large, fiber layer thickness be the first supporting layer and the second supporting layer thickness and, the effective separating area of unit bodies integrated membrane is large, good separating effect, material is ceramic fibre, powerful filtering function;
Six, in fibrage, level wears reinforcement, improves water pressure resistance ability, single monofilament fiber, ensure that filter membrane thickness is little, and strength and stiffness is large;
Seven, filter membrane is one-body molded by adding drop stamping, can upper surface layer, the first supporting layer, undersurface layer and the second supporting layer be combined well, increase cohesive force, punching press spot diameter is little, for 0.05-0.15mm, do not affect purifying water effect and the manufacture craft of whole filter course.
Part is embodied by explanation below by other advantage of the present utility model, target and feature, part also will by research and practice of the present utility model by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the structural representation of filter membrane described in the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to description word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
Fig. 1 shows a kind of way of realization of the present utility model, a kind of filter membrane, comprise the upper surface layer 1 set gradually, first supporting layer 2, second supporting layer 4 and undersurface layer 5, traditional single layer filter film is arranged to the multiple filtration film of water (flow) direction, increase the footprint to current, wherein, described upper surface layer 1 is evenly provided with the first fenestra, the porosity of described first fenestra is 50%-60%, porosity, current enter filter membrane from upper surface layer 1 under hydraulic pressure, described undersurface layer 5 is evenly provided with the second fenestra, the porosity of described second fenestra is 60%-70%, porosity is larger, current more easily flow out from undersurface layer 5 after filtering absorption layer by layer, described first fenestra is 1: 1.5-2 with the aperture ratio of described second fenestra, the first fenestra being convenient to current less from aperture flows into, second fenestra larger from aperture flows out, be not trapped in filter membrane, the depth ratio of described first fenestra and described second fenestra is 1: 1-1.5, be convenient to current and carry out depth-type filtration through supporting layer and fibrage rapidly, second fenestra aperture is darker, cleaned current are made to discharge filter membrane in order, described first supporting layer 2 and described second supporting layer 4 are Porous, be convenient to current pass through, the structure indentation of described first supporting layer 2 and described second supporting layer 4, increase the contact area of current and layer material, described fleam is 75-90 °, balance storage capacity and the number of teeth, the thickness of described first supporting layer 2 is not more than the degree of depth of described first fenestra, one deck filtration is carried out to current, the thickness of described second supporting layer 4 is not more than the degree of depth of described second fenestra, three layer filtration is carried out to the current after fibrage two layers filters, layer material thickness becomes large, filtering accuracy uprises, water quality becomes pure.
In another embodiment, described filter membrane, described upper surface layer 1 and described undersurface layer 5 material are silicon carbide ceramics, material selects silicon carbide ceramics, have powerful filtering function, there are thousands upon thousands microscopic pinholes on its surface, energy filtering objectionable impurities and all pathogenetic bacterias, preserve the useful mineral matter of human body and trace element, and easy-formation.
In another embodiment, described filter membrane, first supporting layer 2 and the second supporting layer 4 material are silicon carbide ceramics, material selects silicon carbide ceramics, have powerful filtering function, there are thousands upon thousands microscopic pinholes on its surface, energy filtering objectionable impurities and all pathogenetic bacterias, preserve the useful mineral matter of human body and trace element, and easy-formation.
In another embodiment, described a kind of filter membrane, also comprise fibrage 3, described fibrage 3 is filled between described first supporting layer 2 and described second supporting layer 4, form netted bridge formation, serve the effect that middle undertaking is filtered, tissue particles enters internal voids, described fibrage 3 is helicoidal structure, loading density is large, described fibrage 3 thickness be described first supporting layer 2 and described second supporting layer 4 thickness and, the effective separating area of unit bodies integrated membrane is large, good separating effect, described fibrage 3 material is ceramic fibre, powerful filtering function.
In another embodiment, described filter membrane, also comprises at least one reinforcement 6, described reinforcement 6 level is arranged in described fibrage 3, improves water pressure resistance ability, and described reinforcement 6 is single monofilament fiber, ensure that filter membrane thickness is little, and strength and stiffness are large.
In another embodiment, described filter membrane, described filter membrane is one-body molded by adding drop stamping, can upper surface layer 1, first supporting layer 2, undersurface layer 5 and the second supporting layer 4 be combined well, increases cohesive force.
In another embodiment, described filter membrane, the diameter of the punching press point of described filter membrane is 0.05-0.15mm, and punching press spot diameter is little, does not affect purifying water effect and the manufacture craft of whole filter course.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (7)
1. a filter membrane, it is characterized in that, comprise the upper surface layer set gradually, first supporting layer, second supporting layer and undersurface layer, wherein, described upper surface layer is evenly provided with the first fenestra, the porosity of described first fenestra is 50%-60%, described undersurface layer is evenly provided with the second fenestra, the porosity of described second fenestra is 60%-70%, described first fenestra is 1: 1.5-2 with the aperture ratio of described second fenestra, the depth ratio of described first fenestra and described second fenestra is 1: 1-1.5, described first supporting layer and described second supporting layer are Porous, the structure indentation of described first supporting layer and described second supporting layer, described fleam is 75-90 °, the thickness of described first supporting layer is not more than the degree of depth of described first fenestra, the thickness of described second supporting layer is not more than the degree of depth of described second fenestra.
2. filter membrane as claimed in claim 1, it is characterized in that, described upper surface layer and described undersurface layer material are silicon carbide ceramics.
3. filter membrane as claimed in claim 2, it is characterized in that, the first supporting layer and the second supporting layer material are silicon carbide ceramics.
4. filter membrane as claimed in claim 3, it is characterized in that, also comprise fibrage, described fibrage is filled between described first supporting layer and described second supporting layer, described fibrage is helicoidal structure, described fiber layer thickness be described first supporting layer and described second supporting layer thickness and, described fibrage material is ceramic fibre.
5. filter membrane as claimed in claim 4, it is characterized in that, also comprise at least one reinforcement, described reinforcement level is arranged in described fibrage, and described reinforcement is single monofilament fiber.
6. filter membrane as claimed in claim 5, it is characterized in that, described filter membrane is one-body molded by adding drop stamping.
7. filter membrane as claimed in claim 6, it is characterized in that, the diameter of the punching press point of described filter membrane is 0.05-0.15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520092329.5U CN204485669U (en) | 2015-02-09 | 2015-02-09 | A kind of filter membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520092329.5U CN204485669U (en) | 2015-02-09 | 2015-02-09 | A kind of filter membrane |
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| Publication Number | Publication Date |
|---|---|
| CN204485669U true CN204485669U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520092329.5U Expired - Fee Related CN204485669U (en) | 2015-02-09 | 2015-02-09 | A kind of filter membrane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111547814A (en) * | 2020-05-11 | 2020-08-18 | 南通康达复合材料有限公司 | High-permeability water treatment membrane |
| CN114828992A (en) * | 2019-12-23 | 2022-07-29 | 东丽株式会社 | Separation membrane and method for producing same |
-
2015
- 2015-02-09 CN CN201520092329.5U patent/CN204485669U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114828992A (en) * | 2019-12-23 | 2022-07-29 | 东丽株式会社 | Separation membrane and method for producing same |
| CN111547814A (en) * | 2020-05-11 | 2020-08-18 | 南通康达复合材料有限公司 | High-permeability water treatment membrane |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20190209 |