Corrosion-resistant high-strength protective film for soil remediation

Abstract

The utility model discloses a corrosion-resistant high-strength protective film for soil remediation, which comprises a terylene base layer, the bottom end of the terylene base layer is fixedly connected with a first PVDF (polyvinylidene fluoride) layer, the top end of the terylene base layer is fixedly connected with a bonding layer, the top end of the bonding layer is fixedly connected with an impermeable layer, and the top end of the impermeable layer is fixedly connected with an antibacterial layer. The top end of the anti-permeation layer is fixedly connected with a first PVDF layer, the top end of the anti-bacterial layer is fixedly connected with a second PVDF layer, the anti-permeation layer comprises a geotechnical cloth layer and a polyethylene film, and the anti-bacterial layer comprises an activated carbon layer and a copper ion layer. The soil conditioner is more durable, can be used in soil, effectively protects loss of nutrient substances in the soil, and prevents erosion of microorganisms in the soil.

Description

Technical Field

[0001] The utility model relates to the technical field of protective films, in particular to a corrosion-resistant high-strength protective film for soil restoration. Background Art

[0002] Soil remediation aims to restore polluted, degraded or damaged soil functions and ecosystems to achieve healthy and sustainable use of soil.

[0003] In soil remediation, a protective film can be set up to prevent further diffusion of pollutants in the soil, protect the ecological function and water resources of the soil, and accelerate the repair and recovery process of the soil. However, the existing protective films for soil remediation have the following disadvantages:

[0004] (1) Existing protective films for soil remediation lack high strength and corrosion resistance. They are prone to rupture when subjected to tension or pressure in the soil. In addition, the acidic and alkaline substances or chemical pollutants in the soil can cause corrosion damage to the protective films, resulting in poor durability.

[0005] (2) Existing protective films for soil remediation lack antibacterial and anti-mildew properties and cannot prevent erosion by microorganisms in the soil. Utility Model Content

[0006] The purpose of the utility model is to provide a corrosion-resistant high-strength protective film for soil remediation, so as to solve the problems that the existing soil remediation protective film proposed in the above-mentioned background technology lacks high strength and corrosion resistance, is prone to rupture when subjected to tension and pressure in the soil, and the acidic and alkaline substances or chemical pollutants present in the soil will cause corrosion damage to the protective film, resulting in poor durability. The soil remediation protective film lacks antibacterial and mildew-proof properties and cannot prevent erosion by microorganisms in the soil.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a corrosion-resistant and high-strength protective film for soil remediation, comprising a polyester base layer, a first PVDF layer is fixedly connected to the bottom end of the polyester base layer, an adhesive layer is fixedly connected to the top end of the polyester base layer, an anti-permeability layer is fixedly connected to the top end of the adhesive layer, an anti-permeability layer is fixedly connected to the top end of the anti-permeability layer, an antibacterial layer is fixedly connected to the top end of the antibacterial layer, a second PVDF layer is fixedly connected to the top end of the anti-permeability layer, the anti-permeability layer comprises a geotextile layer and a polyethylene film, and the antibacterial layer comprises an activated carbon layer and a copper ion layer.

[0008] When using a corrosion-resistant high-strength protective film for soil remediation in the technical solution, a high-strength polyester woven fabric is used as the base material and is surface treated with a double layer of PVDF to make it have high strength and corrosion resistance, be more durable, and be used in the soil to effectively protect the loss of nutrients in the soil.

[0009] As a preferred technical solution of the utility model, the geotextile layer is fixedly connected to the top of the polyethylene film. The geotextile layer and the polyethylene film can prevent the loss of soil particles and water.

[0010] As a preferred technical solution of the utility model, the activated carbon layer is fixedly connected to the top of the copper ion layer. The activated carbon layer and the copper ion layer can inhibit bacteria and prevent the formation of mold.

[0011] As a preferred technical solution of the utility model, the polyester base layer is evenly and fixedly connected with a plurality of reinforcing ribs 1. The reinforcement ribs 1 can improve the structural strength of the soil protection film.

[0012] As a preferred technical solution of the utility model, a plurality of the surfaces of the first reinforcing ribs are evenly and fixedly connected with a plurality of second reinforcing ribs, and the second reinforcing ribs are provided to further improve the structural strength of the protective film.

[0013] As a preferred technical solution of the utility model, a plurality of anti-skid protrusions are provided on the top of the second PVDF layer. The anti-skid protrusions can improve the anti-skid performance of the surface of the protective film, and it is not easy to slide and shift during use.

[0014] As a preferred technical solution of the utility model, the top of the copper ion layer is evenly provided with a plurality of convex parts, and the bottom of the activated carbon layer is evenly provided with a plurality of concave parts. The concave parts and convex parts can increase the contact area between the copper ion layer and the activated carbon layer, and the connection is more firm.

[0015] As a preferred technical solution of the utility model, a grid is provided at the bottom of the second PVDF layer, and the provided grid can increase the strength of the protective film and prevent it from breaking easily.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The protective film uses high-strength polyester woven fabric as the base material and is treated with a double-layer PVDF surface, making it have high strength and corrosion resistance. It is not easy to break due to tension or pressure in the soil, and is not easily corroded by acidic and alkaline substances or chemical pollutants in the soil. It is more durable. The production process of the protective film uses water-based resin as the adhesive layer, does not add plasticizers, has no VOCs emissions, and the production process is environmentally friendly, pollution-free, green and low-carbon;

[0018] 2. The protective film is equipped with an anti-permeability layer. The geotextile and polyethylene film can prevent the loss of soil particles and moisture. It can be used in the soil to effectively protect the loss of nutrients in the soil. At the same time, an antibacterial layer is set. The activated carbon layer and the copper ion layer can inhibit bacteria and prevent the formation of mold, and prevent the erosion of microorganisms in the soil. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 is a cross-sectional view of the anti-permeability layer of the utility model;

[0021] Figure 3 is a cross-sectional view of the antibacterial layer of the utility model;

[0022] Figure 4 It is a top cross-sectional view of the polyester base layer of the utility model;

[0023] Figure 5 It is a bottom view of the utility model.

[0024] In the figure: 1, polyester base layer; 2, first PVDF layer; 3, adhesive layer; 4, anti-permeability layer; 401, geotextile layer; 402, polyethylene film; 5, antibacterial layer; 501, activated carbon layer; 502, copper ion layer; 6, second PVDF layer; 7, reinforcing rib one; 8, reinforcing rib two; 9, anti-slip protrusion; 10, convex part; 11, concave part; 12, grid. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-5 The utility model provides a corrosion-resistant and high-strength protective film for soil remediation, including a polyester base layer 1, a first PVDF layer 2 is fixedly connected to the bottom end of the polyester base layer 1, an adhesive layer 3 is fixedly connected to the top end of the polyester base layer 1, which plays a connecting role, an anti-permeability layer 4 is fixedly connected to the top end of the adhesive layer 3, an anti-permeability layer 5 is fixedly connected to the top end of the anti-permeability layer 4, and a second PVDF layer 6 is fixedly connected to the top end of the anti-permeability layer 4 to improve weather resistance and corrosion resistance. The anti-permeability layer 4 includes a geotextile layer 401 and a polyethylene film 402 to prevent soil loss, and the antibacterial layer 5 includes an activated carbon layer 501 and a copper ion layer 502 to improve antibacterial performance.

[0027] When in use, the protective film adopts 1500D×1500D, (30×30) roots / inch high-strength polyester woven fabric as the base material and is surface treated with double-layer PVDF, so that it has high strength and corrosion resistance. It is not easy to break due to tension or pressure in the soil, and is not easily corroded by acidic and alkaline substances or chemical pollutants in the soil. It is more durable. The production process of the protective film adopts water-based resin as the adhesive layer 3, does not add plasticizer, has no VOCs emissions, and the production process is environmentally friendly, pollution-free, green and low-carbon.

[0028] The geotextile layer 401 is fixedly connected to the top of the polyethylene film 402 to play an anti-permeation role, and the activated carbon layer 501 is fixedly connected to the top of the copper ion layer 502 to play an antibacterial role.

[0029] When in use, the protective film is provided with an anti-permeability layer 4, and the geotextile and polyethylene film 402 can prevent the loss of soil particles and moisture, and can be used in the soil to effectively protect the loss of nutrients in the soil. At the same time, an antibacterial layer 5 is provided, and the activated carbon layer 501 and the copper ion layer 502 can inhibit bacteria and prevent the formation of mold, thereby preventing the erosion of microorganisms in the soil.

[0030] A plurality of reinforcing ribs 7 are evenly and fixedly connected inside the polyester base layer 1, a plurality of reinforcing ribs 8 are evenly and fixedly connected to the surface of the plurality of reinforcing ribs 7, a grid 12 is provided at the bottom end of the second PVDF layer 6 to improve the structural strength, a plurality of anti-slip protrusions 9 are provided at the top end of the second PVDF layer 6 to improve the anti-slip performance, a plurality of protrusions 10 are evenly provided at the top end of the copper ion layer 502, and a plurality of recesses 11 are evenly provided at the bottom end of the activated carbon layer 501 to increase the contact area.

[0031] When in use, the structural strength of the protective film can be further improved by the provision of reinforcing ribs 1 7, reinforcing ribs 2 8 and grid 12, making it less likely to break. The provision of anti-slip protrusions 9 makes it less likely for the protective film to slide and shift when used in the soil. The provision of convex portions 10 and concave portions 11 makes the connection between the activated carbon layer 501 and the copper ion layer 502 more firmly, making them less likely to shift or fall off from each other.

[0032] When used specifically, the utility model is a corrosion-resistant and high-strength protective film for soil remediation. The protective film adopts 1500D×1500D, (30×30) roots / inch high-strength polyester woven cloth as the base material, is provided with reinforcing ribs inside, and is treated with a double-layer PVDF surface to have high strength and corrosion resistance. It is not easy to break due to tension or pressure in the soil, and is not easily corroded by acidic and alkaline substances or chemical pollutants in the soil. It is more durable. The production process of the protective film adopts water-based resin as the adhesive layer 3, does not add plasticizer, and has no VOCs emissions. The production process is environmentally friendly and pollution-free, green and low-carbon. The protective film is provided with an anti-permeability layer 4. The geotextile and polyethylene film 402 can prevent the loss of soil particles and moisture, can be used in the soil, and effectively protect the loss of nutrients in the soil. At the same time, an antibacterial layer 5 is provided. The activated carbon layer 501 and the copper ion layer 502 can inhibit bacteria and prevent the formation of mold, and prevent the erosion of microorganisms in the soil.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A corrosion-resistant high-strength protective film for soil remediation, comprising a polyester base layer (1), characterized in that: The bottom end of the polyester base layer (1) is fixedly connected to a first PVDF layer (2), the top end of the polyester base layer (1) is fixedly connected to an adhesive layer (3), the top end of the adhesive layer (3) is fixedly connected to an anti-permeability layer (4), the top end of the anti-permeability layer (4) is fixedly connected to an antibacterial layer (5), the top end of the antibacterial layer (5) is fixedly connected to a second PVDF layer (6), the anti-permeability layer (4) comprises a geotextile layer (401) and a polyethylene film (402), and the antibacterial layer (5) comprises an activated carbon layer (501) and a copper ion layer (502).

2. The corrosion-resistant high-strength protective film for soil remediation according to claim 1, characterized in that: The geotextile layer (401) is fixedly connected to the top of the polyethylene film (402).

3. The corrosion-resistant high-strength protective film for soil remediation according to claim 1, characterized in that: The activated carbon layer (501) is fixedly connected to the top of the copper ion layer (502).

4. The corrosion-resistant high-strength protective film for soil remediation according to claim 1, characterized in that: A plurality of reinforcing ribs (7) are evenly and fixedly connected inside the polyester base layer (1).

5. The corrosion-resistant high-strength protective film for soil remediation according to claim 4, characterized in that: A plurality of reinforcing ribs 1 (7) are evenly and fixedly connected to the surface of the plurality of reinforcing ribs 2 (8).

6. The corrosion-resistant high-strength protective film for soil remediation according to claim 1, characterized in that: A plurality of anti-slip protrusions (9) are provided on the top of the second PVDF layer (6).

7. The corrosion-resistant high-strength protective film for soil remediation according to claim 3, characterized in that: A plurality of convex portions (10) are evenly arranged on the top of the copper ion layer (502), and a plurality of concave portions (11) are evenly arranged on the bottom of the activated carbon layer (501).

8. The corrosion-resistant high-strength protective film for soil remediation according to claim 1, characterized in that: A grid (12) is provided at the bottom end of the second PVDF layer (6).

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