Low-melting-point polyester filament yarn warp knitting RO flow guide cloth

Abstract

The utility model discloses low-melting-point polyester filament yarn warp knitting RO flow guide cloth which comprises a flow guide cloth body, a first polyester filament yarn layer and a second polyester filament yarn layer, and the first polyester filament yarn layer and the second polyester filament yarn layer are arranged on the upper surface layer and the lower surface layer of the flow guide cloth body. A water filtering film layer, a non-woven fabric and an activated carbon adsorption layer are arranged between the first polyester filament yarn layer and the second polyester filament yarn layer, and the non-woven fabric and the activated carbon adsorption layer are symmetrically arranged on the two sides of the water filtering film layer; the low-melting-point polyester filament yarn warp-knitted RO flow guide cloth has good filtering and water permeability performance, is stable in overall structure, can prevent an internal layered structure from being curled, enables the flow guide cloth body to be smoother and more uniform, and is suitable for popularization and application.

Description

Technical Field

[0001] The utility model relates to the technical field of guide cloths, in particular to a low-melting-point polyester filament warp-knitted RO guide cloth. Background Art

[0002] Guide cloth is also a kind of cloth, which is widely used in the diversion and filtration of some liquids. The honeycomb guide holes formed by fiber arrangement have a certain toughness and can filter impurities in liquids or circulating gases.

[0003] The utility model patent with announcement number CN211843482U discloses a new type of RO reverse osmosis guide cloth, including a polypropylene resin fiber base layer, an intermediate sandwich structure and an outer layer structure; the outer layer structure: the outer layer structure includes a reverse osmosis membrane pasted on the lower surface of a filter mesh layer; the polypropylene resin fiber base layer: the polypropylene resin fiber base layer is located at the uppermost layer; the intermediate sandwich structure: the intermediate sandwich structure includes a non-woven fabric, a chlorine absorbent layer is provided on the lower surface of the non-woven fabric, and a granular activated carbon layer is provided between the chlorine absorbent layer and the filter mesh layer; the technical problems of poor filtering effect and reverse osmosis effect are solved.

[0004] However, in actual use, the above-mentioned guide cloth still has poor filtering and water permeability performance, and the internal layered structure is prone to curling after long-term use, resulting in a rough cloth surface and unsatisfactory use effect. Utility Model Content

[0005] The purpose of the utility model is to solve the above-mentioned problems and provide a low-melting-point polyester filament warp-knitted RO guide cloth with good filtering and water permeability, and a stable overall structure, which can avoid curling of the internal layered structure and make the guide cloth body smoother and more uniform.

[0006] To achieve the above-mentioned purpose, the technical solution of the utility model is: a low-melting point polyester filament warp-knitted RO guide cloth, comprising a guide cloth body, a first polyester filament layer and a second polyester filament layer, the first polyester filament layer and the second polyester filament layer are arranged on the upper and lower surface layers of the guide cloth body, and a water filter membrane layer, a non-woven fabric and an activated carbon adsorption layer are arranged between the first polyester filament layer and the second polyester filament layer, and the non-woven fabric and the activated carbon adsorption layer are symmetrically arranged on both sides of the water filter membrane layer.

[0007] Preferably, the non-woven fabric is arranged on both sides of the water filtration membrane layer, and the activated carbon adsorption layer is arranged on the outside of the non-woven fabric.

[0008] Preferably, the water filtration membrane layer, the non-woven fabric and the activated carbon adsorption layer are bonded by a nano adhesive.

[0009] Preferably, the warp knitted structures of the first polyester filament layer and the second polyester filament layer have a longitudinal density of 17.5CPC and a transverse density of 16WPC.

[0010] Preferably, a downward extending edge is provided on the left side of the first polyester filament layer, and an upward extending edge is provided on the right side of the second polyester filament layer, and the first polyester filament layer and the second polyester filament layer wrap the internal water filtration membrane layer, non-woven fabric and activated carbon adsorption layer through the extending edges.

[0011] The utility model discloses a low-melting-point polyester filament warp-knitted RO guide cloth, comprising a guide cloth body, a first polyester filament layer and a second polyester filament layer, wherein the first polyester filament layer and the second polyester filament layer are arranged on the upper and lower surface layers of the guide cloth body, and a water filtration membrane layer, a non-woven fabric and an activated carbon adsorption layer are arranged between the first polyester filament layer and the second polyester filament layer, and the non-woven fabric and the activated carbon adsorption layer are symmetrically arranged on both sides of the water filtration membrane layer; compared with the prior art, the low-melting-point polyester filament warp-knitted RO guide cloth has good filtering and water permeability, and the overall structure is stable, which can avoid curling of the internal layered structure, thereby achieving the beneficial effect of making the guide cloth body smoother and more uniform. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The overall structure of the utility model is a low melting point polyester filament warp knitted RO guide cloth Figure 1 .

[0013] Figure 2 The overall structure of the utility model is a low melting point polyester filament warp knitted RO guide cloth Figure 2 .

[0014] Figure 3 For this utility model Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0015] Figure 4 It is a structural schematic diagram of the second embodiment of the utility model.

[0016] In the figure: 1. guide cloth body; 11. water filter membrane layer; 12. non-woven fabric; 13. activated carbon adsorption layer; 14. first polyester filament layer; 15. second polyester filament layer. DETAILED DESCRIPTION

[0017] The utility model is now described in further detail in conjunction with the accompanying drawings. The accompanying drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0018] Please refer to Figure 1-3A low-melting-point polyester filament warp-knitted RO guide cloth comprises a guide cloth body 1, a first polyester filament layer 14 and a second polyester filament layer 15, wherein the first polyester filament layer 14 and the second polyester filament layer 15 are arranged on the upper and lower surfaces of the guide cloth body 1, wherein the first polyester filament layer 14 is arranged on the upper surface layer, and the second polyester filament layer 15 is arranged on the lower surface layer, and a water filtration membrane layer 11, a non-woven fabric 12 and an activated carbon adsorption layer 13 are arranged between the first polyester filament layer 14 and the second polyester filament layer 15, and the non-woven fabric 12 and the activated carbon adsorption layer 13 are symmetrically arranged on both sides of the water filtration membrane layer 11.

[0019] In this embodiment, the non-woven fabric 12 is arranged on both sides of the water filtration membrane layer 11, and the activated carbon adsorption layer 13 is arranged on the outside of the non-woven fabric 12, that is, the water filtration membrane layer 11 is in contact with the non-woven fabric 12, the activated carbon adsorption layer 13 is in contact with the non-woven fabric 12, and the non-woven fabric 12 is arranged between the water filtration membrane layer 11 and the activated carbon adsorption layer 13. The water filtration membrane layer 11, the non-woven fabric 12 and the activated carbon adsorption layer 13 are bonded by a nano adhesive.

[0020] The connecting surface of the first polyester filament layer 14 and the second polyester filament layer 15 is dipped in glue and then bonded to the activated carbon adsorption layer 13 to form the guide cloth body 1. The symmetrically arranged structure can greatly improve the filtering and water permeability of the guide cloth. At the same time, the guide cloth body 1 is arranged in the RO filter element, which can also maintain long-term stable water production and improve the service life of the RO filter element.

[0021] As the second embodiment of the present utility model, please refer to Figure 4 The first polyester filament layer 14 has a downward extending edge on its left side, and the second polyester filament layer 15 has an upward extending edge on its right side. The first polyester filament layer 14 and the second polyester filament layer 15 wrap the internal water filtration membrane layer 11, non-woven fabric 12 and activated carbon adsorption layer 13 through the extending edges.

[0022] That is to say, the first polyester filament layer 14 and the second polyester filament layer 15 wrap the internal water filtration membrane layer 11, the non-woven fabric 12 and the activated carbon adsorption layer 13 through their own extended edges. After wrapping, the structure of the guide cloth body 1 is more stable, avoiding the curling of the internal layered structure, and making the guide cloth body smoother and more uniform.

[0023] Based on the above embodiments 1 and 2, the warp knitting structure of the first polyester filament layer 14 is 1-0 / 1-2 / / , and the warp knitting structure of the second polyester filament layer 15 is 2-3 / 1-2 / / . The two structures are mirror-symmetric to ensure structural stability.

[0024] In addition, the polyester filaments in the first polyester filament layer 14 and the second polyester filament layer 15 are both 70D (70D means that 9000 meters of filament have a weight of 70 grams), wherein the warp knitting structure of the first polyester filament layer 14 and the second polyester filament layer 15 has a longitudinal density of 17.5CPC, a transverse density of 16WPC, and a melting point of about 180°C, which is lower than the 250-255°C of traditional filaments, and has better performance.

[0025] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A low melting point polyester filament warp knitted RO guide fabric, characterized in that: It includes a guide cloth body, a first polyester filament layer and a second polyester filament layer, wherein the first polyester filament layer and the second polyester filament layer are arranged on the upper and lower surface layers of the guide cloth body, and a water filtration membrane layer, a non-woven fabric and an activated carbon adsorption layer are arranged between the first polyester filament layer and the second polyester filament layer, and the non-woven fabric and the activated carbon adsorption layer are symmetrically arranged on both sides of the water filtration membrane layer.

2. The low melting point polyester filament warp knitted RO guide fabric according to claim 1, characterized in that: The non-woven fabric is arranged on both sides of the water filtration membrane layer, and the activated carbon adsorption layer is arranged on the outer side of the non-woven fabric.

3. The low melting point polyester filament warp knitted RO guide fabric according to claim 1 or 2, characterized in that: The water filtration membrane layer, the non-woven fabric and the activated carbon adsorption layer are bonded together by a nano adhesive.

4. The low melting point polyester filament warp knitted RO guide fabric according to claim 1, characterized in that: The warp knitted structures of the first polyester filament layer and the second polyester filament layer have a longitudinal density of 17.5CPC and a transverse density of 16WPC.

5. The low melting point polyester filament warp knitted RO guide fabric according to claim 1, characterized in that: The left side of the first polyester filament layer is provided with a downward extending edge, and the right side of the second polyester filament layer is provided with an upward extending edge. The first polyester filament layer and the second polyester filament layer wrap the internal water filtration membrane layer, non-woven fabric and activated carbon adsorption layer through the extending edges.

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