CN211546170U - Membrane filter layer for filter device - Google Patents
Membrane filter layer for filter device Download PDFInfo
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- CN211546170U CN211546170U CN201922232433.0U CN201922232433U CN211546170U CN 211546170 U CN211546170 U CN 211546170U CN 201922232433 U CN201922232433 U CN 201922232433U CN 211546170 U CN211546170 U CN 211546170U
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- layer
- membrane
- filter
- resin film
- filtration
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Abstract
The utility model discloses a membrane filter layer for filter equipment, along filter equipment's flowing water direction, the membrane filter layer includes filter cloth layer and resin film layer, the equal fixed connection of filter cloth layer and resin film layer is in the membrane frame, the membrane frame has tube structure, the membrane filter layer passes through membrane frame and filter equipment fixed connection to form membrane filter layer structure, the filter cloth layer includes woven fabrics layer and non-woven fabrics layer, the resin film layer is the cation exchange resin membrane, the resin film layer is tiled in the membrane backup pad. The utility model discloses mainly solved the short problem of life cycle of membrane filtration of traditional water purifier under the poor condition of quality of water condition, through the structure that sets up filter cloth + resin film, under the condition of guaranteeing the filter effect, prolonged membrane filtration's life cycle, even under the relatively poor filtration environment of quality of water condition, the utility model discloses a membrane filtration layer structure is still suitable for.
Description
Technical Field
The utility model relates to a filtration equipment field, especially a membrane filter layer for filter equipment.
Background
The filter element of the traditional water purifier is generally composed of activated carbon, an ultrafiltration membrane and a reverse osmosis membrane, the filtering effect is obvious, the hardness of tap water of residents can be reduced from more than 250mg/L to less than 150mg/L, and the soft water condition for direct drinking can be achieved.
For tap water with high hardness, the traditional water purifier has a short service cycle, the filter element is frequently cleaned and replaced, when the membrane structure in the filter element is used together with activated carbon, the activated carbon is still in the service cycle in order to ensure the effluent quality, and the membrane structure needs to be cleaned and replaced, so that the expected set requirements cannot be met, and a great deal of inconvenience is brought to users with poor water quality conditions.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: to the problem that exists, provide a membrane filter layer for filter equipment, to the running water that hardness is big, replace the membrane filtration structure that traditional water purifier was used through setting up a membrane filter layer to this solves the unable relatively poor problem of being suitable for the quality of water condition of traditional water purifier.
The utility model adopts the technical scheme as follows: the membrane filter layer for the filtering device is characterized by comprising a filter cloth layer and a resin film layer along the flowing direction of the filtering device, wherein the filter cloth layer and the resin film layer are both fixedly connected in a membrane frame, the membrane frame is of a cylindrical structure, the membrane filter layer is fixedly connected with the filtering device through the membrane frame to form a membrane filter layer structure, the filter cloth layer comprises a woven cloth layer and a non-woven cloth layer, the resin film layer is a cation exchange resin film, the resin film layer is flatly laid on a membrane supporting plate, the membrane supporting plate is a rigid plate with filter holes, and the membrane supporting plate is fixedly connected in the membrane frame.
In the above-mentioned technical scheme, the effect on filter cloth layer is mainly to carry out the preliminary treatment to the water, and then provides the water that quality of water is good for the resin film, alleviates the filtering pressure of resin film, prolongs its life cycle, in filter cloth layer, if only use single filter cloth to carry out filtration treatment, then can't reach the high unity in filtration efficiency and filter effect, consequently, the utility model discloses a weaving cloth and the filter mode that the non-woven fabrics combine to use, under general condition, weaving cloth's average pore diameter is greater than the average pore diameter of non-woven fabrics, carries out the prefilter through the weaving cloth that pore diameter is great relatively to the water, then carries out the thin filtration through the non-woven fabrics that the aperture is less relatively to the water, is guaranteeing under filtration efficiency's the circumstances from this, has guaranteed the filter effect of preliminary treatment, makes it reach the high unity. Will the utility model discloses a membrane structure places in traditional water purifier, and the running water after the active carbon filters is earlier through filter cloth layer preliminary treatment, then arranges the running water after the preliminary treatment to the resin film and carries out advanced treatment, because what the resin film adopted is cation exchange resin film, it can cross most positive ions of straining, and then further reduces the hardness of running water, makes the running water after the filtration reach the quality of water condition of direct drinking.
Further, in order to improve the pretreatment effect, the woven fabric layer is formed by overlapping a plurality of woven fabrics, and the non-woven fabric layer is formed by overlapping a plurality of non-woven fabrics. Through the multi-layer filtration of the filter cloth layers, the pretreatment effect is improved, and a water body with good water quality is further provided for the resin film.
Further, under the condition of ensuring the filtering effect, in order to reduce the thickness of the filter cloth layer, the woven cloth and the non-woven cloth of the filter cloth layer are fully utilized, the woven cloth layer and the non-woven cloth layer both have a multilayer structure, and the woven cloth of the woven cloth layer and the non-woven cloth of the non-woven cloth layer are alternately overlapped to form the filter cloth layer. Through the setting of alternate structure, the filter effect of each layer of filter cloth layer is obvious, can reach good filter effect under the filter cloth layer number of piles that uses the fewest.
Furthermore, the thickness of the filter cloth layer is 3-20 mm, and the number of the woven cloth layer and the number of the non-woven cloth layer are not less than 3.
Preferably, the woven fabric layer is a heavy-weight woven fabric, and the non-woven fabric layer is a staple polyester needle-punched non-woven fabric.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: the utility model discloses a membrane filter layer structure, the short problem of life cycle of membrane filtration that has mainly solved traditional water purifier under the poor condition of water quality condition, through the structure that sets up filter cloth + resin film, under the condition of guaranteeing the filter effect, has prolonged membrane filtration's life cycle, even under the relatively poor filtration environment of water quality condition, the utility model discloses a membrane filter layer structure is still suitable for.
Drawings
FIG. 1 is a schematic view of a membrane filter structure for a filtration device according to the present invention;
fig. 2 is a schematic view of another membrane filtration layer structure for a filtration device according to the present invention.
The labels in the figure are: 1 is a membrane frame, 2 is a filter cloth layer, 201 is a woven cloth layer, 202 is a non-woven cloth layer, 3 is a resin membrane layer, and 4 is a membrane support plate.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in FIG. 1, a membrane filtration layer for a filtration device, which comprises a filter cloth layer 2 and a resin film layer 3, wherein the filter cloth layer 2 and the resin film layer 3 are both fixedly connected to a membrane frame 1, the membrane frame 1 has a cylindrical structure, the membrane filtration layer is fixedly connected to the filtration device through the membrane frame 1 to form a membrane filtration layer structure, the filter cloth layer 2 comprises a woven cloth layer 201 and a non-woven cloth layer 202, the woven cloth layer 201 and the non-woven cloth layer 202 are transversely arranged in the membrane frame 1, the edges of the woven cloth layer 201 and the non-woven cloth layer 202 are bonded to the inner wall of the membrane frame 1 or fixed through bolts, drawing pins and the like, the resin film layer 3 is a cation exchange resin film, the resin film layer 3 is flatly laid and bonded to a membrane support plate 4, the membrane support plate 4 is a rigid plate with filter holes and is transversely arranged in the membrane frame 1, the edges of the membrane support plate 4 and the inner wall of the membrane frame, The clamping groove and the like are fixedly connected.
In the above embodiment, the filter cloth layer 2 mainly serves to pretreat the water body, so as to provide a water body with good water quality for the resin film layer 3, reduce the filtering pressure of the resin film layer 3, and prolong the service life of the resin film layer. The membrane structure is placed in a traditional water purifier, tap water filtered by active carbon is pretreated by the filter cloth layer 2, then the pretreated tap water is discharged to the resin membrane layer 3 for advanced treatment, and the resin membrane adopts the cation exchange resin membrane which can filter most cations, so that the hardness of the tap water is further reduced, and the filtered tap water reaches the water quality condition of direct drinking.
Further, in order to enhance the pretreatment effect, the woven fabric layer 201 is formed by laminating a plurality of woven fabrics, preferably 4 layers, and the woven fabrics are preferably heavy-weight woven fabrics, and as shown in fig. 1, the nonwoven fabric layer 202 is formed by laminating a plurality of nonwoven fabrics, preferably 4 layers, and the nonwoven fabrics are preferably short-filament polyester needle-punched nonwoven fabrics. Through the multilayer filtration of filter cloth layer 2, improved the preliminary treatment effect, further provide the water that quality of water is good for resin film layer 3.
As an alternative embodiment, in order to reduce the thickness of the filter cloth layer 2 while ensuring the filtering effect, woven cloth and non-woven cloth of the filter cloth layer 2 are fully utilized, the woven cloth layer 201 and the non-woven cloth layer 202 each have a multi-layer structure, and the woven cloth of the woven cloth layer 201 and the non-woven cloth of the non-woven cloth layer 202 are alternately stacked to form the filter cloth layer 2, as shown in fig. 2. Through the setting of alternate structure, the filter effect of each layer of filter cloth layer 2 is obvious, can reach good filter effect under using the minimum filter cloth number of piles, obtains according to the experiment, when the filter effect differs by a few, adopts the filter cloth layer number of filter cloth layer 2 of alternate structure and does not adopt the filter cloth layer number of piles of filter cloth layer of alternate structure can use 2 filter cloths at least less.
The utility model discloses a membrane filter layer filter effect is obvious, will the utility model discloses a when membrane filter layer was applied to in traditional gradual water purifier (adopt 4+4 weaving cloth and the filter cloth layer structure that the non-woven fabrics set up in turn), can reduce the hardness of resident's running water below 150mg/L from more than 250mg/L, and can handle the running water about 10 tons in succession, for traditional gradual water purifier, under single life cycle, the handling capacity of running water has increased about 2 tons, 25% life cycle of gradual water purifier has been improved in other words, the result of use is obvious.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The membrane filter layer for the filtering device is characterized by comprising a filter cloth layer and a resin film layer along the flowing direction of the filtering device, wherein the filter cloth layer and the resin film layer are both fixedly connected in a membrane frame, the membrane frame is of a cylindrical structure, the membrane filter layer is fixedly connected with the filtering device through the membrane frame to form a membrane filter layer structure, the filter cloth layer comprises a woven cloth layer and a non-woven cloth layer, the resin film layer is a cation exchange resin film, the resin film layer is flatly laid on a membrane supporting plate, the membrane supporting plate is a rigid plate with filter holes, and the membrane supporting plate is fixedly connected in the membrane frame.
2. The membrane filtration layer for filtration devices as set forth in claim 1, wherein said woven fabric layer is formed by laminating a plurality of woven fabrics, and said nonwoven fabric layer is formed by laminating a plurality of nonwoven fabrics.
3. The membrane filtration layer for filtration devices as claimed in claim 1, wherein the woven fabric layer and the non-woven fabric layer each have a multi-layer structure, and the woven fabric of the woven fabric layer and the non-woven fabric of the non-woven fabric layer are alternately laminated to form the filter fabric layer.
4. A membrane filtration layer for filtration devices according to claim 2 or 3, wherein the thickness of the filtration fabric layer is 3 to 20mm, and the number of woven fabrics of the woven fabric layer and the number of non-woven fabrics of the non-woven fabric layer are not less than 3.
5. The membrane filtration layer for filtration devices as claimed in claim 4, wherein said woven fabric layer is a heavy-weight woven fabric, and said nonwoven fabric layer is a staple polyester needle-punched nonwoven fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922232433.0U CN211546170U (en) | 2019-12-13 | 2019-12-13 | Membrane filter layer for filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922232433.0U CN211546170U (en) | 2019-12-13 | 2019-12-13 | Membrane filter layer for filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211546170U true CN211546170U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922232433.0U Expired - Fee Related CN211546170U (en) | 2019-12-13 | 2019-12-13 | Membrane filter layer for filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211546170U (en) |
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2019
- 2019-12-13 CN CN201922232433.0U patent/CN211546170U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| 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: 20200922 Termination date: 20211213 |