CN216756002U

CN216756002U - Filter core composite framework with higher interception precision

Info

Publication number: CN216756002U
Application number: CN202120924686.9U
Authority: CN
Inventors: 陈海军; 张艳丹; 李小龙
Original assignee: Xiamen Zhengshui Carbon Fiber Technology Co ltd
Current assignee: Xiamen Zhengshui Carbon Fiber Technology Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-06-17
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a filter element composite framework with higher interception precision, which belongs to the field of filter elements and comprises a framework and a nano filter layer, wherein the nano filter layer is arranged on the outer circular surface of the framework. The filter element composite framework with higher interception precision disclosed by the utility model adopts a structure that the framework and the nano filter layer are compounded, so that the filter element framework not only has higher supporting strength, but also has excellent filtering interception precision, and is lighter and more reliable.

Description

Filter core composite framework with higher interception precision

Technical Field

The utility model relates to the field of filter elements, in particular to a filter element composite framework with higher interception precision.

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 Chinese patent document publication No. CN206965281U discloses a framework structure for a filter element, which comprises a filter element framework and a wire-wound filter element arranged on the filter element framework; the filter element framework is provided with an axial through shaft hole, the surface of the filter element framework is provided with a plurality of notches communicated with the shaft hole, the notches are distributed on the outer surface of the filter element framework in an array manner, and two sides of each notch are respectively provided with a plurality of cylinders; the wire-wound filter element is wound on the outer surface of the wire-wound filter element through the cylinder; the end parts of the two ends of the filter element framework are respectively provided with a sealing ring for preventing the wire-wound filter element from falling off, and the inner side surface of the sealing ring is fixedly connected with the filter element framework through an integrated structure; the inner side surface of the sealing ring is of a conical surface structure, and the height of the conical surface structure is gradually increased from outside to inside. However, the above-mentioned skeleton texture is that the notch that the surface was seted up through the filter core skeleton switches on rivers, can only intercept the separation to the impurity of great granule, and filter fineness is lower, mainly filters small impurity by the wire-wound filter core of wire-wound connection at the surface of filter core, and the filter fineness requirement to the wire-wound filter core is higher, and the volume size of wire-wound filter core accounts for than big for the filter core is heavier.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide the filter element composite framework with higher interception precision, and the filter element composite framework adopts a structure that the framework and the nano filter layer are compounded, so that the filter element framework not only has higher supporting strength, but also has excellent filtration interception precision, and is lighter and more reliable.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a filter element composite framework with higher interception precision, which comprises a framework and a nano filter layer, wherein the nano filter layer is arranged on the outer circumferential surface of the framework, the framework comprises a perforated PP plastic layer and a first non-woven fabric layer, the outer circumferential surface of the perforated PP plastic layer is coated with the first non-woven fabric layer, and the nano filter layer is arranged on the first non-woven fabric layer.

The preferable technical scheme of the utility model is that the nano filter layer is configured to be a nano filter coating, the nano filter coating is coated on the outer circular surface of the framework, and the outer circular surface of the framework is fully coated with the nano filter coating.

The preferable technical scheme of the utility model is that the nano-filtration layer is configured into a nano-filtration film, the nano-filtration film is wound on the outer circular surface of the framework, and the nano-filtration film is paved on the outer circular surface of the framework.

The preferable technical scheme of the utility model is that the framework comprises a perforated stainless steel layer and a second non-woven fabric layer, the second non-woven fabric layer is coated on the outer circle surface of the perforated stainless steel layer, and the nano-filtration layer is arranged on the second non-woven fabric layer.

The utility model has the preferable technical scheme that the framework is configured into a cylindrical PP cotton framework, and the nano filter layer is arranged on the outer circular surface of the cylindrical PP cotton framework.

The utility model has the beneficial effects that:

according to the filter element composite framework with higher interception precision, the framework can play a role in supporting and filtering, the nano filter layer is laid on the framework, the filtering interception precision can be improved, the filtering precision requirement of the filter element outer filter layer can be lowered, the nano filter layer occupies a small volume, the volume size of the filter element outer filter layer can be lowered, and the filter element is lighter and more reliable.

Drawings

Fig. 1 is a schematic structural diagram of a composite framework of a filter element with higher interception accuracy according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a construction of a composite skeleton of a filter element with higher interception accuracy using a nanofiltration coating according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a composite framework of a filter element with higher interception accuracy using a nanofiltration membrane according to an embodiment of the present invention;

fig. 4 is a structural cross-sectional view of a composite framework of a filter element with higher interception accuracy, which is provided by using a PP plastic layer with holes and a first non-woven fabric layer according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a composite skeleton of a filter element with higher interception accuracy, provided with a stainless steel layer with holes and a second non-woven fabric layer according to an embodiment of the present invention;

fig. 6 is a structural sectional view of a composite framework of a filter element with higher interception accuracy, which is provided by using a cylindrical PP cotton framework in an embodiment of the present invention.

In the figure:

1. a framework; 101. a PP plastic layer with holes; 102. a first nonwoven layer; 111. a stainless steel layer with holes; 112. a second nonwoven layer; 120. a cylindrical PP cotton skeleton; 2. a nano-filtration layer; 21. a nanofiltration coating; 22. a nanofiltration membrane.

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 6, in order to make the filter element framework have not only higher supporting strength but also excellent filtering interception precision, and are lighter and more reliable, the filter element composite framework provided in this embodiment has higher interception precision, and further includes a framework 1 and a nano filter layer 2, and the nano filter layer 2 is disposed on an outer circumferential surface of the framework 1. The framework 1 can play supporting and filtering roles, the nano filter layer 2 is laid on the framework 1, the filtering interception precision can be improved, the filtering precision requirement of the filter element outer filter layer can be reduced, the nano filter layer 2 occupies small volume, the volume size of the filter element outer filter layer can be reduced, and the filter element is lighter and more reliable. The framework 1 comprises a perforated PP plastic layer 101 and a first non-woven fabric layer 102, the first non-woven fabric layer 102 is coated on the outer circular surface of the perforated PP plastic layer 101, and the nano filter layer 2 is arranged on the first 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 first 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 nanofiltration layer 2 is configured as a nanofiltration coating layer 21, the nanofiltration coating layer 21 is coated on the outer circumferential surface of the framework 1, and the nanofiltration coating layer 21 is coated over the outer circumferential surface of the framework 1. The nano-filtration coating 21 is made of nano-filtration coating, and the nano-filtration coating is coated on the outer circumferential surface of the framework 1 in a spraying mode, so that the nano-filtration layer 2 is ensured to be closely matched with the framework 1, and the filtration effect is ensured.

Preferably, the nanofiltration layer 2 is configured as a nanofiltration membrane 22, the nanofiltration membrane 22 is wound on the outer circumferential surface of the framework 1, and the nanofiltration membrane 22 is paved on the outer circumferential surface of the framework 1. The nano-filtration film 22 is fully distributed on the outer circumferential surface of the framework 1 in a winding manner, so that the nano-filtration layer 2 is ensured to be tightly matched with the framework 1, and the filtration effect is ensured.

Preferably, the frame 1 includes a perforated stainless steel layer 111 and a second non-woven fabric layer 112, the second non-woven fabric layer 112 is wrapped on the outer circumferential surface of the perforated stainless steel layer 111, and the nanofiltration layer 2 is disposed on the second 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, second 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 outer disc 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 PP cotton skeleton 120, and the nanofiltration layer 2 is disposed on an outer circumferential surface of the cylindrical 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.

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

1. The utility model provides a compound skeleton of filter core that interception precision is higher which characterized in that:

comprises a framework (1) and a nano filter layer (2);

the nano filter layer (2) is arranged on the outer circular surface of the framework (1);

the framework (1) comprises a PP plastic layer (101) with holes and a first non-woven fabric layer (102);

the first non-woven fabric layer (102) is wrapped on the outer circular surface of the PP plastic layer (101) with the holes, and the nano filter layer (2) is arranged on the first non-woven fabric layer (102).

2. The filter element composite framework with higher interception precision according to claim 1, characterized in that:

the nanofiltration layer (2) is configured as a nanofiltration coating (21);

the nano-filtration coating (21) is coated on the outer circular surface of the framework (1), and the outer circular surface of the framework (1) is full of the nano-filtration coating (21).

3. The filter element composite framework with higher interception precision according to claim 1, characterized in that:

the nanofiltration layer (2) is configured as a nanofiltration membrane (22);

the nanometer filtering film (22) is wound on the outer circular surface of the framework (1), and the nanometer filtering film (22) is paved on the outer circular surface of the framework (1).

4. The filter element composite framework with higher interception precision according to claim 1, characterized in that:

the framework (1) comprises a stainless steel layer (111) with holes and a second non-woven fabric layer (112);

the second non-woven fabric layer (112) is coated on the outer circular surface of the stainless steel layer (111) with the holes, and the nano filter layer (2) is arranged on the second non-woven fabric layer (112).

5. The filter element composite framework with higher interception precision according to claim 1, characterized in that:

the framework (1) is configured to be a cylindrical PP cotton framework (120);

the nano filter layer (2) is arranged on the outer circular surface of the cylindrical PP cotton skeleton (120).