CN216377672U - Composite filter element with excellent filtering and intercepting effects - Google Patents
Composite filter element with excellent filtering and intercepting effects Download PDFInfo
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- CN216377672U CN216377672U CN202120924529.8U CN202120924529U CN216377672U CN 216377672 U CN216377672 U CN 216377672U CN 202120924529 U CN202120924529 U CN 202120924529U CN 216377672 U CN216377672 U CN 216377672U
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Abstract
The utility model discloses a composite filter element with excellent filtering and intercepting effects, which belongs to the field of filter elements and comprises a framework, an inner filter layer, a first non-woven fabric layer and a multi-precision PP cotton layer, wherein the inner filter layer is sleeved on the outer circular surface of the framework, the first non-woven fabric layer is covered on the outer circular surface of the inner filter layer, the multi-precision PP cotton layer is sleeved on the first non-woven fabric layer, and the framework, the inner filter layer, the first non-woven fabric layer and the multi-precision PP cotton layer are mutually matched to form a cylindrical composite filter element body. According to the composite filter element with excellent filtering and intercepting effects, the outer filter layer adopts the multi-precision PP cotton layer to replace the single-precision PP cotton filter element, and the framework, the inner filter layer and the first non-woven fabric layer are combined to form the cylindrical composite filter element body, so that the dirt holding capacity of the composite filter element is larger, and the filtering and intercepting precision is improved.
Description
Technical Field
The utility model relates to the field of filter elements, in particular to a composite filter element with excellent filtering and intercepting effects.
Background
At present, as is well known, water purifiers are becoming more and more popular, and various filter elements are used in water purifiers, which have been developed from single-stage filter elements to multi-stage filter elements. The filter element is a device with the functions of filtering, purifying and sterilizing, the filter element separates solid particles in liquid, when fluid enters the filter element with a filter screen with a certain specification, impurities are blocked, and clean fluid flows out through the filter element. The filter element can clean the polluted liquid to the state required by production and life, namely, the liquid can reach certain cleanliness. Therefore, whether the filter element structure and the composition are reasonable or not has important influence on the water purifying effect of the water purifier.
The outer-layer antibacterial PP cotton filter element, the middle-layer activated carbon filter element and the inner-layer ultrafiltration membrane composite filter element disclosed in Chinese patent document publication No. CN204588857U are integrated composite filter elements in which an activated carbon filter element is sleeved in an antibacterial PP cotton filter element, then the water outlet end of the ultrafiltration membrane filter element is sleeved in a tubular gasket and then placed in the activated carbon filter element, tap water is firstly filtered by the outer-layer antibacterial PP cotton filter element, then is filtered by the middle-layer activated carbon filter element, and finally enters the inner-layer ultrafiltration membrane filter element to be filtered again to form purified water. However, the outer filter layer of the composite filter element adopts the antibacterial PP cotton filter element with single precision, if the filtering precision of the antibacterial PP cotton filter element is too low, large granular impurities such as dirt can easily pass through the antibacterial PP cotton filter element to enter the composite filter element, so that blockage is caused, the water purification effect of the composite filter element is reduced, if the filtering precision of the antibacterial PP cotton filter element is too high, the large granular impurities such as dirt can be easily accumulated on the outer surface of the antibacterial PP cotton filter element, the blockage can be easily caused, the flow velocity of water flow can be reduced, and the use experience of a user is reduced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem of providing the composite filter element with excellent filtering and intercepting effects, wherein the outer filter layer adopts a multi-precision PP cotton layer to replace a single-precision PP cotton filter element, and the framework, the inner filter layer and the first non-woven fabric layer are combined to form the cylindrical composite filter element body, so that the dirt holding capacity of the composite filter element is larger, and the filtering and intercepting precision is improved.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the composite filter element with excellent filtering and intercepting effects comprises a framework, an inner filter layer, a first non-woven fabric layer and a multi-precision PP cotton layer, wherein the inner filter layer is sleeved on the outer circular surface of the framework, the first non-woven fabric layer is covered on the outer circular surface of the inner filter layer, the multi-precision PP cotton layer is sleeved on the first non-woven fabric layer, and the framework, the inner filter layer, the first non-woven fabric layer and the multi-precision PP cotton layer are matched with one another to form a cylindrical composite filter element body.
The preferable technical scheme of the utility model is that the density of the multi-precision PP cotton layer is gradually increased from outside to inside in a gradient manner, so that the filtering precision of the multi-precision PP cotton layer is gradually increased from outside to inside.
The preferable technical scheme of the utility model is that the framework comprises a PP plastic layer with holes and a second non-woven fabric layer, the second non-woven fabric layer is coated on the outer circle surface of the PP plastic layer with holes, and the inner filter layer is sleeved on the second non-woven fabric layer.
The preferable technical scheme of the utility model is that the framework comprises a perforated stainless steel layer and a third non-woven fabric layer, the third non-woven fabric layer is coated on the outer circle surface of the perforated stainless steel layer, and the inner filter layer is sleeved on the third non-woven fabric layer.
The preferable technical scheme of the utility model is that the framework is configured into a cylindrical inner PP cotton framework, and the inner filter layer is sleeved on the outer circular surface of the cylindrical inner PP cotton framework.
The preferable technical scheme of the utility model is that the inner filter layer is configured as an activated carbon fiber layer.
The utility model has the preferable technical proposal that the inner filter layer is configured as an activated carbon particle layer.
The preferable technical scheme of the utility model is that the inner filter layer is configured into a mixed layer of activated carbon fiber and activated carbon particles.
The preferable technical proposal of the utility model is that the inner filter layer is configured as an activated carbon fiber and mineral mixed layer.
The utility model has the beneficial effects that:
according to the composite filter element with excellent filtering and intercepting effects, water flows sequentially pass through the multi-precision PP cotton layer, the first non-woven fabric layer, the inner filter layer and the framework and then water is discharged, impurities in the water can be gradually filtered, and the water quality is guaranteed to be safer and cleaner. Wherein, first non-woven fabrics layer can play the effect that prevents that the inner filter layer filter material from dropping, also can prevent simultaneously that large granule impurity such as silt, iron rust from entering into inner filter layer. Skeleton, inner filter layer, first non-woven cloth layer and the cotton layer integration of many precisions PP are integrated as integral structure, constitute the compound filter core body of tube-shape for compound filter core structure is compacter, more saves space. Wherein, the cotton layer of many precision PP adopts the cotton complex of the multilayer PP of different filter fineness to form for the velocity of flow is big when rivers pass through the cotton layer of many precision PP, and the pressure loss is little, and the cotton layer of many precision PP of multilayer PP has bigger volume space, can hold more dirt, is difficult for blockking up, thereby makes composite filter element's pollutant carrying ability bigger, improves and filters the interception precision.
Drawings
Fig. 1 is a schematic structural view of a composite filter element with excellent filtering and intercepting effects according to an embodiment of the present invention;
FIG. 2 is a sectional view of a composite filter element with excellent filtering and intercepting effects, which is provided by an embodiment of the present invention, and includes a PP plastic layer with holes and a second non-woven fabric layer;
FIG. 3 is a sectional view of a composite filter element with excellent filtering and intercepting effects, which is provided by an embodiment of the present invention and employs a stainless steel layer with holes and a third non-woven fabric layer;
FIG. 4 is a structural cross-sectional view of a composite filter element with excellent filtration and interception effects, which is provided by an embodiment of the present invention and adopts a cylindrical inner PP cotton skeleton;
fig. 5 is a sectional view illustrating the structure of a composite filter element having excellent filtering interception effect using an activated carbon fiber layer according to an embodiment of the present invention;
fig. 6 is a structural sectional view of a composite filter element with excellent filtration and interception effects, which is provided by an embodiment of the present invention, and includes an activated carbon particle layer;
FIG. 7 is a sectional view of a composite filter element with excellent filtration interception effect, which is provided by an activated carbon fiber and activated carbon particle mixed layer according to an embodiment of the present invention;
fig. 8 is a sectional view of the structure of the composite filter element with excellent filtering interception effect using the activated carbon fiber and mineral mixed layer according to the embodiment of the present invention.
In the figure:
0. a cylindrical composite filter element body; 1. a framework; 101. a PP plastic layer with holes; 102. a second nonwoven layer; 111. a stainless steel layer with holes; 112. a third nonwoven layer; 120. a cylindrical inner PP cotton skeleton; 2. an inner filter layer; 201. an activated carbon fiber layer; 202. an activated carbon particle layer; 203. the active carbon fiber and active carbon particle mixed layer; 204. the activated carbon fiber is added with a mineral mixing layer; 3. a first nonwoven layer; 4. and a multi-precision PP cotton layer.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 8, in order to make the dirt-receiving capacity of the composite filter element greater and improve the filtering interception accuracy, further, the composite filter element with excellent filtering interception effect provided in this embodiment includes a framework 1, an inner filter layer 2, a first nonwoven fabric layer 3, and a multi-accuracy PP cotton layer 4, wherein the inner filter layer 2 is sleeved on an outer circumferential surface of the framework 1, the first nonwoven fabric layer 3 is wrapped on an outer circumferential surface of the inner filter layer 2, the multi-accuracy PP cotton layer 4 is sleeved on the first nonwoven fabric layer 3, and the framework 1, the inner filter layer 2, the first nonwoven fabric layer 3, and the multi-accuracy PP cotton layer 4 are mutually matched to form a tubular composite filter element body 0. The water flow passes through the multi-precision PP cotton layer 4, the first non-woven fabric layer 3, the inner filter layer 2 and the skeleton 1 in sequence and then is discharged, so that impurities in the water can be gradually filtered, and the water quality is ensured to be safer and cleaner. Wherein, first non-woven fabric layer 3 can play the effect that prevents that the filter material of inner filter layer 2 from dropping, also can prevent simultaneously that large granule impurity such as silt, iron rust from entering into inner filter layer 2. Skeleton 1, inner filter layer 2, first non-woven cloth layer 3 and the cotton layer 4 of many precision PP are integrated as integral structure, constitute the compound filter core body 0 of tube-shape for compound filter core structure is compacter, more saves space. Wherein, the cotton layer 4 of many precision PP adopts the cotton complex of the multilayer PP of different filter fineness to form for the velocity of flow is big, the pressure loss is little when the rivers are through too much the cotton layer 4 of precision PP, and the cotton layer 4 of the cotton many precision PP of multilayer PP, has bigger volume space, can hold more dirt, is difficult for blockking up, thereby makes composite filter element's pollutant carrying ability bigger, improves and filters the interception precision.
Preferably, the density of the multi-precision PP cotton layer 4 is gradually increased from outside to inside in a gradient manner, so that the filtering precision of the multi-precision PP cotton layer 4 is gradually increased from outside to inside, and after water flows pass through the multi-precision PP cotton layer 4 from outside to inside, impurity particles are intercepted layer by layer from large to small, so that the smooth flow rate and the small pressure loss of the water flows are ensured, and the filtering and intercepting precision of the filter element is improved. The outer layer of the multi-precision PP cotton layer 4 is small in density, large in pore size, not easy to block and easy to flow, and the inner layer of the multi-precision PP cotton layer is small in density and pore size and can effectively block impurities such as dirt.
Preferably, the framework 1 comprises a perforated PP plastic layer 101 and a second non-woven fabric layer 102, the second non-woven fabric layer 102 is coated on the outer circumferential surface of the perforated PP plastic layer 101, and the inner filter layer 2 is sleeved on the second non-woven fabric layer 102. Adopt PP plastics to make foraminiferous PP plastic layer 101, the nature is stable, low cost, and matter is light and have stronger hardness, non-deformable, and second non-woven fabrics layer 102 can carry out the separation to great impurity particle and filter, has evenly seted up a plurality of filtration micropores on the outer disc of foraminiferous PP plastic layer 101 for rivers further filter impurity after filtering the micropore. Through the structure, the framework 1 plays a role in supporting and filtering.
Preferably, the framework 1 comprises a perforated stainless steel layer 111 and a third non-woven fabric layer 112, the third non-woven fabric layer 112 is coated on the outer circumferential surface of the perforated stainless steel layer 111, and the inner filter layer 2 is sleeved on the third non-woven fabric layer 112. Adopt stainless steel to make foraminiferous stainless steel layer 111, the nature is stable, has stronger hardness, and non-deformable, and be convenient for wash the maintenance, third non-woven fabrics layer 112 can carry out the separation to great impurity granule and filter, has evenly seted up a plurality of on the disc outside of foraminiferous stainless steel layer 111 and has filtered the micropore for rivers further filter impurity after filtering the micropore. Through the structure, the framework 1 plays a role in supporting and filtering.
Preferably, the skeleton 1 is configured as a cylindrical inner PP cotton skeleton 120, and the inner filter layer 2 is sleeved on the outer circumferential surface of the cylindrical inner PP cotton skeleton 120. The cylindrical PP cotton skeleton 120 is made of PP cotton, so that the skeleton 1 has the advantages of good cotton elasticity, strong bulkiness, extrusion resistance, easiness in washing, quick drying and the like, and plays a role in supporting and filtering.
Preferably, the inner filter layer 2 is configured as an activated carbon fiber layer 201. The active carbon fiber layer 201 is made of the active carbon fiber ACF, so that the composite filter element structure is more miniaturized, the adsorption layer is thinner, the adsorption leakage loss is small, the efficiency is high, and the composite filter element is energy-saving and environment-friendly.
Preferably, the inner filter layer 2 is configured as an activated carbon particle layer 202. The active carbon particle layer 202 made of the granular active carbon has excellent effect on water purification, can remove peculiar smell and improve the purity of water, has high removal rate on various impurities in the water, such as chlorine, phenol, arsenic, lead, cyanide, pesticide and other harmful substances, and has low cost.
Preferably, the inner filter layer 2 is configured of activated carbon fiber plus activated carbon particle mixed layer 203. The active carbon fiber ACF and the granular active carbon and the powdered active carbon with different technologies and different properties are mixed to prepare the active carbon fiber and the active carbon granular mixed layer 203, so that the special adsorption and filtration effect is achieved.
Preferably, the inner filter layer 2 is configured as an activated carbon fiber plus mineral blend layer 204. The active carbon fiber ACF and mineral materials with different properties in different processes are mixed to form the active carbon fiber and mineral mixed layer 204, so that a special adsorption and filtration effect is achieved.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (9)
1. The utility model provides a compound filter core that filtration interception effect is good which characterized in that:
comprises a framework (1), an inner filter layer (2), a first non-woven fabric layer (3) and a multi-precision PP cotton layer (4);
the inner filter layer (2) is sleeved on the outer circular surface of the framework (1), the first non-woven fabric layer (3) is coated on the outer circular surface of the inner filter layer (2), and the multi-precision PP cotton layer (4) is sleeved on the first non-woven fabric layer (3);
the framework (1), the inner filter layer (2), the first non-woven fabric layer (3) and the multi-precision PP cotton layer (4) are mutually matched to form the cylindrical composite filter element body (0).
2. The composite filter element with excellent filtering and intercepting effects as claimed in claim 1, wherein:
the density of the multi-precision PP cotton layer (4) is gradually increased from outside to inside, so that the filtering precision of the multi-precision PP cotton layer (4) is gradually increased from outside to inside.
3. The composite filter element with excellent filtering and intercepting effects as claimed in claim 1, wherein:
the framework (1) comprises a PP plastic layer (101) with holes and a second non-woven fabric layer (102);
the second non-woven fabric layer (102) is wrapped on the outer circular surface of the PP plastic layer with the holes (101), and the inner filter layer (2) is sleeved on the second non-woven fabric layer (102).
4. The composite filter element with excellent filtering and intercepting effects as claimed in claim 1, wherein:
the framework (1) comprises a stainless steel layer (111) with holes and a third non-woven fabric layer (112);
the third non-woven fabric layer (112) is wrapped on the outer circular surface of the stainless steel layer with the holes (111), and the inner filter layer (2) is sleeved on the third non-woven fabric layer (112).
5. The composite filter element with excellent filtering and intercepting effects as claimed in claim 1, wherein: the skeleton (1) is configured into a cylindrical inner PP cotton skeleton (120);
the inner filter layer (2) is sleeved on the outer circular surface of the cylindrical inner PP cotton skeleton (120).
6. The composite filter element with excellent filtering and intercepting effects as claimed in claim 1, wherein: the inner filter layer (2) is configured as an activated carbon fiber layer (201).
7. The composite filter element with excellent filtering and intercepting effects as claimed in claim 1, wherein: the inner filter layer (2) is configured as a layer of activated carbon particles (202).
8. The composite filter element with excellent filtering and intercepting effects as claimed in claim 1, wherein: the inner filter layer (2) is configured to be an activated carbon fiber and activated carbon particle mixed layer (203).
9. The composite filter element with excellent filtering and intercepting effects as claimed in claim 1, wherein: the inner filter layer (2) is configured to be an activated carbon fiber and mineral mixed layer (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120924529.8U CN216377672U (en) | 2021-04-29 | 2021-04-29 | Composite filter element with excellent filtering and intercepting effects |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120924529.8U CN216377672U (en) | 2021-04-29 | 2021-04-29 | Composite filter element with excellent filtering and intercepting effects |
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| Publication Number | Publication Date |
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| CN216377672U true CN216377672U (en) | 2022-04-26 |
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| CN202120924529.8U Active CN216377672U (en) | 2021-04-29 | 2021-04-29 | Composite filter element with excellent filtering and intercepting effects |
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- 2021-04-29 CN CN202120924529.8U patent/CN216377672U/en active Active
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