CN219214353U

CN219214353U - Unidirectional anti-seepage composite geomembrane structure

Info

Publication number: CN219214353U
Application number: CN202223388817.XU
Authority: CN
Inventors: 毛丁明; 毛进雄
Original assignee: Jilin Zhongweike Environmental Technology Co ltd
Current assignee: Jilin Zhongweike Environmental Technology Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-20
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a unidirectional anti-seepage composite geomembrane structure, which comprises a geomembrane base layer and an anti-corrosion layer; geomembrane base layer: the high-density polyethylene geomembrane is characterized in that the high-density polyethylene geomembrane is a high-density polyethylene geomembrane, an impermeable layer is arranged on the bottom surface of the geomembrane, and a non-woven fabric layer is arranged on the bottom surface of the impermeable layer; anticorrosive coating: the anti-corrosion layer is arranged on the bottom surface of the non-woven fabric layer, and is a glass fiber anti-corrosion layer; wherein: the bottom surface of anticorrosive coating evenly is provided with the non-slip protrusion, the barrier layer includes the sealing layer, the sealing layer sets up in the bottom surface of geomembrane basic unit, and the sealing layer is PVC waterproof sealing layer, the bottom surface of sealing layer is provided with the pitch layer, and the bottom surface of pitch layer is provided with the aluminium foil layer, and this one-way prevention of seepage composite geomembrane structure, geomembrane inner structure connects more firmly, and inner structure is difficult for damaging, and the holistic prevention of seepage performance of geomembrane is better, but also can improve the leakproofness of two adjacent geomembrane overlap joints.

Description

Unidirectional anti-seepage composite geomembrane structure

Technical Field

The utility model relates to the technical field of composite geomembranes, in particular to a unidirectional anti-seepage composite geomembrane structure.

Background

The geomembrane is made of plastic film as impermeable base material and compounded with non-woven fabric, the plastic film for impermeable application mainly comprises polyvinyl chloride and polyethylene, the warp-knitted composite reinforced waterproof geomembrane has excellent water-proof property, durability and protection property, and can be widely used in projects such as railway, highway, gymnasium, dykes, hydraulic building, tunnel, coastal beach, reclamation, environmental protection and the like.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the unidirectional anti-seepage composite geomembrane structure, the connection of the inner structure of the geomembrane is more stable, the inner structure is not easy to damage, the single anti-seepage performance of the whole geomembrane is better, the sealing performance of the lap joint of two adjacent geomembranes can be improved, and the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a unidirectional seepage-proof composite geomembrane structure comprises a geomembrane base layer and an anti-corrosion layer;

geomembrane base layer: the high-density polyethylene geomembrane is characterized in that the high-density polyethylene geomembrane is a high-density polyethylene geomembrane, an impermeable layer is arranged on the bottom surface of the geomembrane, and a non-woven fabric layer is arranged on the bottom surface of the impermeable layer;

anticorrosive coating: the anti-corrosion layer is arranged on the bottom surface of the non-woven fabric layer, and is a glass fiber anti-corrosion layer;

wherein: the bottom surface of anticorrosive coating evenly is provided with the non-slip raised, and geomembrane inner structure connects more firmly, and inner structure is difficult for damaging, and the holistic prevention of seepage performance of geomembrane is better, but also can improve the leakproofness of two adjacent geomembrane overlap joints.

Further, the impermeable layer comprises a sealing layer, the sealing layer is arranged on the bottom surface of the geomembrane base layer, the sealing layer is a PVC waterproof sealing layer, and the overall impermeable performance of the geomembrane is improved.

Further, the bottom surface of sealing layer is provided with the pitch layer, and the bottom surface on pitch layer is provided with the aluminium foil layer, can play the effect of preventing puncture to sealing layer and pitch layer.

Further, the inside of pitch layer is provided with the metal strip, and the metal strip is crisscross setting, and the metal strip all is connected with aluminium foil layer fixed, improves the adhesive force of pitch layer and aluminium foil layer.

Further, the bottom surface of sealing layer evenly is provided with the plug, and the plug all is located the inside on pitch layer, and the sealing layer is connected more firmly with pitch layer.

Further, the inside of geomembrane basic unit evenly is provided with the strengthening rib, improves the tensile strength of geomembrane basic unit self.

Furthermore, the upper surface of geomembrane basic unit evenly is provided with the toper strip, can improve the leakproofness of geomembrane overlap joint department.

Compared with the prior art, the utility model has the beneficial effects that: the unidirectional seepage-proofing composite geomembrane structure has the following advantages:

1. when two adjacent geomembranes overlap joint, make the longitudinal corresponding non-slip raised of anticorrosive coating bottom surface be located the toper strip clearance department that the geomembrane basic unit upper surface evenly set up, can improve the leakproofness of two adjacent geomembrane overlap joints.

2. The sealing layer is PVC waterproof sealing layer, sealing layer and asphalt layer cooperation can improve the inside leakproofness of geomembrane greatly, effectively avoid the geomembrane from last decurrent infiltration, the aluminium foil layer can play the guard action to sealing layer and asphalt layer simultaneously, avoid outside plant root system to impale the geomembrane and influence the sealing performance of geomembrane, the adhesion of asphalt layer and aluminium foil layer can be improved to the metal strip that vertically and horizontally staggered set up, simultaneously the plug can make the sealing layer more firm reliable with the connection of asphalt layer, make geomembrane inner structure more stable, the holistic prevention of seepage effect of geomembrane is better.

Drawings

FIG. 1 is a schematic view of the internal cross-sectional structure of the present utility model.

In the figure: 1 geomembrane base layer, 2 impermeable layer, 21 sealing layer, 22 asphalt layer, 23 aluminium foil layer, 3 non-woven fabrics layer, 4 anticorrosive layer, 5 non-slip bulge, 6 plug, 7 metal strip, 8 strengthening rib, 9 toper strips.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the present embodiment provides a technical solution: a unidirectional seepage-proof composite geomembrane structure comprises a geomembrane base layer 1 and an anti-corrosion layer 4;

geomembrane substrate 1: the high-density polyethylene geomembrane base layer is adopted, the reinforcing ribs 8 are uniformly arranged in the geomembrane base layer 1, the impermeable layer 2 is arranged on the bottom surface of the geomembrane base layer 1, the non-woven fabric layer 3 is arranged on the bottom surface of the impermeable layer 2, the impermeable layer 2 comprises the sealing layer 21, the sealing layer 21 is arranged on the bottom surface of the geomembrane base layer 1, the sealing layer 21 is a PVC waterproof sealing layer, the asphalt layer 22 is arranged on the bottom surface of the sealing layer 21, the aluminum foil layer 23 is arranged on the bottom surface of the asphalt layer 22, the sealing layer 21 is matched with the asphalt layer 22, the sealing performance of the interior of the geomembrane can be greatly improved, the earth membrane is effectively prevented from penetrating water from top to bottom, meanwhile, the aluminum foil layer 23 can play a protective role on the sealing layer 21 and the asphalt layer 22, the influence on the sealing performance of the geomembrane due to penetration of an external plant root system is avoided, the metal strips 7 are arranged in the interior of the asphalt layer 22, the metal strips 7 are arranged in a crisscross manner, the metal strips 7 are fixedly connected with the aluminum foil layer 23, the adhesive force between the asphalt layer 22 and the aluminum foil layer 23 can be improved, the bottom surface of the sealing layer 21 is uniformly provided with the plugs 6, and the plugs 6 are positioned in the interior of the asphalt layer 22, so that the connection between the sealing layer 21 and the asphalt layer 22 is more firm and the earth membrane is more stable;

anticorrosive layer 4: the anti-corrosion layer 4 is a glass fiber anti-corrosion layer, and can greatly reduce corrosion of the external environment to the geomembrane;

wherein: the bottom surface of anticorrosive coating 4 evenly is provided with non-slip raised 5, can increase the frictional force of geomembrane and ground, and the upper surface of geomembrane basic unit 1 evenly is provided with toper strip 9, and when two adjacent geomembrane overlap joints, make the non-slip raised 5 that anticorrosive coating 4 bottom surface vertically corresponds be located the toper strip 9 clearance department that geomembrane basic unit 1 upper surface evenly set up, can improve the leakproofness of two adjacent geomembrane overlap joints.

The working principle of the unidirectional anti-seepage composite geomembrane structure provided by the utility model is as follows: lay this geomembrane to suitable position, the friction force of geomembrane and ground can be increased to non-slip bulge 5, be difficult for skidding when the geomembrane is laid, make two adjacent geomembrane overlap joints certain width, thereby make the vertical corresponding toper strip 9 clearance department that corresponds of anticorrosive coating 4 bottom surface 5 is located geomembrane basic unit 1 upper surface, can improve the leakproofness of two adjacent geomembrane overlap joints, the strengthening rib 8 of the inside even setting of geomembrane basic unit 1 can improve the toughness and the tensile strength of geomembrane basic unit 1 self, geomembrane basic unit 1 is difficult for breaking, non-woven fabrics layer 3 and anticorrosive coating 4 can greatly reduced the corruption that external environment caused the geomembrane, sealing layer 21 is PVC waterproof seal layer, sealing layer 21 and asphalt layer 22 cooperation can improve the leakproofness of geomembrane inside greatly, effectively avoid the geomembrane from going down the infiltration, aluminium foil layer 23 can play the guard action to sealing layer 21 and asphalt layer 22, avoid outside plant root system to pierce the geomembrane and influence the sealing performance of geomembrane, the metal strip 7 of vertically and horizontally staggered setting can improve asphalt layer 22 and aluminium foil layer 23's adhesive force and the inside joint of layer 21 can make the inside firm structure of sealing layer 21 more firm with asphalt layer 22 more.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A one-way prevention of seepage composite geomembrane structure, its characterized in that: comprises a geomembrane base layer (1) and an anti-corrosion layer (4);

geomembrane substrate (1): the high-density polyethylene geomembrane is a high-density polyethylene geomembrane base layer, an impermeable layer (2) is arranged on the bottom surface of the geomembrane base layer (1), and a non-woven fabric layer (3) is arranged on the bottom surface of the impermeable layer (2);

anticorrosive coating (4): the anti-corrosion coating is arranged on the bottom surface of the non-woven fabric layer (3), and the anti-corrosion layer (4) is a glass fiber anti-corrosion layer;

wherein: the bottom surface of the anti-corrosion layer (4) is uniformly provided with anti-slip protrusions (5).

2. The unidirectional, impermeable composite geomembrane structure of claim 1, wherein: the impermeable layer (2) comprises a sealing layer (21), the sealing layer (21) is arranged on the bottom surface of the geomembrane base layer (1), and the sealing layer (21) is a PVC waterproof sealing layer.

3. The unidirectional, impermeable composite geomembrane structure of claim 2, wherein: an asphalt layer (22) is arranged on the bottom surface of the sealing layer (21), and an aluminum foil layer (23) is arranged on the bottom surface of the asphalt layer (22).

4. A unidirectional, impermeable composite geomembrane structure as claimed in claim 3, wherein: the inside of pitch layer (22) is provided with metal strip (7), and metal strip (7) are crisscross setting, and metal strip (7) all are connected with aluminium foil layer (23) fixed.

5. A unidirectional, impermeable composite geomembrane structure as claimed in claim 3, wherein: plugs (6) are uniformly arranged on the bottom surface of the sealing layer (21), and the plugs (6) are all positioned in the asphalt layer (22).

6. The unidirectional, impermeable composite geomembrane structure of claim 1, wherein: reinforcing ribs (8) are uniformly arranged in the geomembrane base layer (1).

7. The unidirectional, impermeable composite geomembrane structure of claim 1, wherein: the upper surface of the geomembrane base layer (1) is uniformly provided with conical strips (9).