CN215243384U

CN215243384U - Composite geomembrane for culture pond

Info

Publication number: CN215243384U
Application number: CN202121016713.9U
Authority: CN
Inventors: 吕菲菲; 赵爱永; 高德强; 赵奎利
Original assignee: Haoyang Environmental Co ltd
Current assignee: Haoyang Environmental Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-12-21
Anticipated expiration: 2031-05-12

Abstract

The utility model discloses a breed pond and use compound geomembrane. The base layer is adhered with a plurality of linear solid resins, and the linear solid resins form a first rough surface layer; the inner side of the first base layer, the two sides of the body layer and the inner side of the second geotextile are provided with point-shaped bulges; at least one of the first base layer and the second base layer is a carbon black geotextile layer; the outer side of the second base layer is adhered with a plurality of linear solid resins which form a second rough surface layer. Through first coarse surface layer, make pasture and water adhere to first coarse surface layer, can guarantee the ecological environment of fish shrimp. The friction force between the composite geomembrane and the soil is enhanced through the second rough surface layer, and the composite geomembrane is prevented from sliding with the soil. Through the net rib reinforced layer, the tensile strength of the composite geomembrane is improved, the rigidity of the composite geomembrane is improved, and the service life of the composite geomembrane is prolonged.

Description

Composite geomembrane for culture pond

Technical Field

The utility model belongs to the technical field of compound geomembrane, specifically provides a compound geomembrane for breed pond.

Background

Geomembranes are used as anti-seepage base materials, and are widely applied to infrastructure construction in various fields, such as environmental sanitation, water conservancy, municipal engineering, garden aquaculture and the like. In an anti-seepage system of a landfill reservoir area, a covering is laid on a geomembrane in time after the geomembrane is laid, and ultraviolet rays are isolated by the covering so as to prolong the service life of the geomembrane.

However, the geomembranes applied to the culture pond project are mostly exposed to the environment, and after the geomembranes are laid, water storage culture is usually directly carried out on the geomembranes, so that the geomembranes can be directly contacted with ultraviolet rays. In addition, the geomembrane has the problems of easy cracking, low elongation, easy sliding and the like in the application process of the culture pond.

SUMMERY OF THE UTILITY MODEL

The geomembrane aims to solve the problems in the prior art, namely solving the problems that the geomembrane is easy to crack, low in elongation and easy to slide in the application process of a culture pond. The application provides a composite geomembrane for a culture pond, which comprises a first base layer, a second base layer and a body layer clamped in the first base layer, wherein a plurality of linear solid resins are attached to the outer side of the first base layer, and the linear solid resins form a first rough surface layer; the inner side of the first base layer, the two sides of the body layer and the inner side of the second base layer are provided with point-shaped bulges; at least one of the first base layer and the second base layer is a carbon black geotextile layer; the outer side of the second base layer is adhered with a plurality of linear solid resins which form a second rough surface layer. A plurality of linear solid-state resins of first coarse surface layer have certain roughness, and the pasture and water of being convenient for is attached to first coarse surface layer, can guarantee the ecological free growth according to the ecology of the slope pasture and water in the growth-process, guarantees the ecological environment of fish and shrimp. The linear solid-state resins of the second rough surface layer have certain roughness, so that the friction force between the composite geomembrane and the soil can be enhanced, and the composite geomembrane is prevented from sliding with the soil.

In a preferred implementation of the composite geomembrane, the composite geomembrane further comprises a mesh reinforcement layer; the net rib reinforcing layer is arranged between the body layer and the second base layer. The net reinforcement reinforcing layer made of metal materials is arranged on the composite geomembrane, so that the tensile strength and the impact strength of the composite geomembrane can be effectively improved, the rigidity of the composite geomembrane is improved, and the purpose of prolonging the service life of the composite geomembrane is realized.

In a preferred implementation of the composite geomembrane, the first and second matte layers are of a net-like structure.

In a preferred implementation mode of the composite geomembrane, the thickness of the first base layer is 0.08-0.1 mm, the thickness of the body layer is 0.55-0.6 mm, and the thickness of the second base layer is 0.08-0.1 mm; the thickness of the first rough surface layer is 0.03-0.05 mm, and the thickness of the second rough surface layer is 0.03-0.05 mm.

In a preferred implementation of the composite geomembrane, the composite geomembrane comprises a central region and edge regions on both sides of the central region; the first base layer, the body layer and the second base layer in the central area of the composite geomembrane are mutually attached through co-extrusion processing, and the first base layer, the body layer and the second base layer in the edge area of the composite geomembrane are mutually separated so that the composite geomembranes are mutually spliced through the edge area.

In a preferred implementation of the composite geomembrane, the ratio of the width of the edge zones to the width of the central zone is 1: 9.

In a preferred implementation of the composite geomembrane, the uv resistance factor of the first base layer is greater than the uv resistance factor of the second base layer. The ultraviolet resistance of the composite geomembrane can be improved, so that the ultraviolet resistance of the composite geomembrane can reach the best, and the influence on the mechanical property of the membrane body is reduced.

It will be appreciated by those skilled in the art that the control adapter described above in the present application has at least the following beneficial effects:

1. through set up first coarse surface layer on first basic unit, can be convenient for pasture and water and adhere to in first coarse surface layer, can guarantee the ecological environment of fish and shrimp is guaranteed according to ecological free growth of slope pasture and water among the growth process. Through set up the rough surface course of second on the second basic unit and can strengthen the frictional force between compound geomembrane and the soil, avoid producing between compound geomembrane and the soil and slide.

2. The net reinforcement reinforcing layer made of metal materials is arranged on the composite geomembrane, so that the tensile strength and the impact strength of the composite geomembrane can be effectively improved, the rigidity of the composite geomembrane is improved, and the purpose of prolonging the service life of the composite geomembrane is achieved.

3. Through increasing the anti ultraviolet coefficient of first basic unit, can improve the anti ultraviolet performance of compound geomembrane, make the anti ultraviolet performance of compound geomembrane reach the best, reduce the influence to the mechanical properties of the membrane body simultaneously.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic structural view of a composite geomembrane for a culture pond according to an embodiment of the present application;

fig. 2 is a schematic splicing diagram of the composite geomembrane provided in the embodiment of the present application.

Description of reference numerals: 1-a first base layer, 2-a second base layer, 3-a bulk layer, 4-a first rough surface layer, 5-a second rough surface layer 5.

Detailed Description

It should be understood by those skilled in the art that the embodiments described below are only a part of the embodiments of the present application, and not all embodiments of the present application, and the part of the embodiments are intended to explain the technical principles of the present application and not to limit the scope of the present application. All other embodiments that can be obtained by a person skilled in the art based on the embodiments provided in the present application without inventive effort shall still fall within the scope of protection of the present application.

It should be noted that in the description of the present application, the terms "center", "upper", "lower", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, which are for convenience of description only, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meaning of the above terms in the present application can be understood by those skilled in the art as the case may be.

As shown in fig. 1, a composite geomembrane for a culture pond comprises a first base layer 1, a second base layer 2 and a body layer 3 clamped between the first base layer 1 and the second base layer 2. When the composite geomembrane is laid at the bottom of the culture pond, the first base layer 1 faces the water surface, and the second base layer 2 faces the soil. A plurality of linear solid resins are attached to the outer side of the first base layer 1, and the linear solid resins form a first rough surface layer 4; the inner side of the first base layer 1, the two sides of the body layer 3 and the inner side of the second base layer are provided with point-shaped bulges; at least one of the first base layer 1 and the second base layer 2 is a carbon black geotextile layer; the second substrate 2 is adhered with a plurality of linear solid resins on the outer side, and the linear solid resins form a second rough surface layer 5. When laying compound geomembrane in breeding the pond, in order to guarantee the ecological environment of fish and shrimp, first coarse surface layer 4 and water contact, a plurality of threadiness solid-state resin of first coarse surface layer 4 have certain roughness, the pasture and water of being convenient for is attached to first coarse surface layer 4, can guarantee that the slope pasture and water of growing in-process freely grows according to the ecology. In order to prevent sliding in the process of slope laying, the second rough surface layer 5 is in contact with soil, and a plurality of linear solid resins of the second rough surface layer 5 have certain roughness, so that the friction force between the composite geomembrane and the soil can be enhanced, and the composite geomembrane is prevented from sliding with the soil. Wherein, first basic unit, second basic unit are geotechnological cloth layer.

It should be noted that the dot-like protrusions provided on the inner side of the first base layer 1, the two sides of the body layer 3, and the inner side of the second base layer 2 are only one type of protrusion structure, and the protrusion structure may be a linear protrusion or a raindrop-like protrusion. Set up the punctiform through inboard at first basic unit, the both sides on body layer, the inboard of second basic unit and protruding, can make inseparabler when carrying out the pressfitting to first basic unit, body layer, second basic unit, improved the rigidity of compound geomembrane.

Further, the composite geomembrane further comprises a net rib reinforcing layer (not shown in the figure), the net rib reinforcing layer is arranged between the body layer 3 and the second base layer 2, and the net rib reinforcing layer is of a net-shaped structure made of metal materials.

It should be noted that the mesh reinforcement layer may be a limiting mesh with metal ions, such as a fiber mesh with copper ions added, and the mesh structure of the mesh reinforcement layer may be a diamond-shaped mesh structure, a hexagonal-shaped mesh structure, or a round-hole mesh structure.

Specifically, the net rib reinforcing layer is of a net structure made of aluminum metal. The aluminium metal has stronger extensibility, and the density of aluminium metal is lighter, and the net muscle enhancement layer of aluminium metal material is set up through body layer 3 at composite geomembrane and second basic unit 2 to this embodiment, can effectively improve composite geomembrane's tensile strength, impact strength, has improved composite geomembrane's rigidity, realizes the purpose of the life of extension composite geomembrane.

Further, first basic unit 1, body layer 3 and the second basic unit 2 of compound geomembrane are in the same place through the mode laminating of three-layer crowded processing altogether, then, adopt two-sided coarse technique of spouting, spout crudely to first basic unit 1 and second basic unit 2, form first coarse surface layer 4, the coarse surface layer 5 of second respectively.

Specifically, the first substrate 1 is subjected to on-line roughening, and a high-temperature molten resin is sprayed from a spinneret under high pressure through a swing spray device and sprayed onto the outer side of the first substrate 1 in a short-thread form, and the short-thread molten resin is cooled to a solid resin on the outer side of the first substrate 1 and adheres to the outer surface of the first substrate 1, thereby forming the first roughened surface layer 4.

Specifically, the second substrate 2 is subjected to on-line roughening, and a high-temperature molten resin is sprayed from a spinneret under high pressure through a swing spray device and sprayed in a short-line shape on the outer side of the second substrate 2, and the short-line molten resin is cooled to a solid resin on the outer side of the second substrate 2 and adheres to the outer surface of the second substrate 2, thereby forming the second roughened surface layer 5.

It should be noted that, a plurality of linear solid resins are interlaced on the geotextile layer to form a net structure, so that the first rough surface layer 4 and the second rough surface layer 5 are both net structures.

Further, the thickness of the first base layer 1 is 0.08-0.1 mm, the thickness of the body layer 3 is 0.55-0.6 mm, and the thickness of the second base layer 2 is 0.08-0.1 mm; the thickness of the first rough surface layer 4 is 0.03-0.05 mm, and the thickness of the second rough surface layer 5 is 0.03-0.05 mm.

The application of the geomembrane in some culture pond projects is mostly in an exposure environment, the use of the exposure environment requires that the geomembrane has ultraviolet resistance, the carbon black is an inorganic ultraviolet shielding agent with the best ultraviolet resistance effect, the content of the carbon black is within the range of 2.0-3.0 percent, and the ultraviolet resistance of the geomembrane is improved along with the improvement of the content of the carbon black. The excessive carbon black content has a large influence on the mechanical properties of the film body.

Further, in order to improve the ultraviolet resistance of the composite geomembrane, in this embodiment, 2.8% to 3.0% of carbon black as an inorganic ultraviolet shielding agent is added to the first base layer 1 to improve the ultraviolet resistance of the composite geomembrane, so that the ultraviolet resistance of the composite geomembrane is optimal, and the influence on the mechanical properties of the membrane body is minimal. Meanwhile, 2.0-2.2% of inorganic ultraviolet screening agent carbon black can be added into the body layer 3, so that the ultraviolet resistance of the body layer 3 is enhanced while the mechanical property of the film body of the body layer 3 is not influenced.

Further, the ultraviolet resistance coefficient of the first base layer 1 is greater than that of the second base layer 2.

It should be noted that, the inorganic ultraviolet shielding agent carbon black of 2.8% to 3.0% may be added to the second base layer 2, which is not limited in the present application.

Further, along the direction of the roll after the composite geomembrane is processed, the composite geomembrane comprises a central area and edge areas positioned on two sides of the central area, the first base layer 1, the body layer 3 and the second base layer 2 in the central area of the composite geomembrane are mutually attached through co-extrusion processing, and the first base layer 1, the body layer 3 and the second base layer 2 in the edge areas of the composite geomembrane are mutually separated so that the composite geomembranes are mutually spliced through the edge areas.

As shown in fig. 2, which is a schematic diagram of the splicing of the composite geomembrane, the first base layer, the body layer and the second base layer in the central area of the composite geomembrane are bonded into a whole by coextrusion, thermoplasticity, glue adhesion and other methods, the edge line in the central area forms a bonding line by means of hot-press sealing and other methods, and the first base layer, the body layer and the second base layer in the edge area are separated from each other. When splicing composite geomembrane A and composite geomembrane B, can be with the first basic unit, body layer and the second basic unit alternately laminating of composite geomembrane A and composite geomembrane B alternate segregation, specifically do: the inner surface of the first base layer of the composite geomembrane A is attached to the outer surface of the first base layer of the composite geomembrane B, one surface of the body layer of the composite geomembrane A, which is contacted with the second base layer, is attached to one surface of the body layer of the composite geomembrane B, which is contacted with the first base layer, and the outer surface of the second base layer of the composite geomembrane A is attached to the inner surface of the second base layer of the composite geomembrane B. Then, the first base layer, the body layer and the second base layer of the crossed composite geomembrane A and the first base layer, the body layer and the second base layer of the composite geomembrane B are pressed into a whole by the methods of co-extrusion processing, thermoplastic forming, glue bonding and the like, so that the composite geomembrane A and the composite geomembrane B are spliced together.

One skilled in the art can understand that the manner of splicing the multiple composite geomembranes through the edge region may include other splicing manners besides the cross bonding described in this embodiment, as long as the first base layer and the first base layer of the two spliced composite geomembranes are in contact, the body layer and the body layer are in contact, and the second base layer are in contact.

Further, the width ratio of the edge area to the central area of the composite geomembrane is 1: and 9, not only leaving enough width for the edge region of the composite geomembrane, but also splicing the edge regions of other composite geomembranes, and simultaneously ensuring the contact areas of the first base layer 1, the body layer 3 and the second base layer 2 in the central region of the composite geomembrane, which are mutually attached after co-extrusion processing.

The utility model can be realized by adopting or using the prior art for reference in places which are not mentioned in the utility model.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a breed pond and use compound geomembrane, includes first basic unit, second basic unit and centre gripping in the body layer wherein, its characterized in that:

a plurality of linear solid resins are attached to the outer side of the first base layer, and the linear solid resins form a first rough surface layer;

the inner side of the first base layer, the two sides of the body layer and the inner side of the second base layer are provided with point-shaped bulges; at least one of the first base layer and the second base layer is a carbon black geotextile layer;

and a plurality of linear solid resins are attached to the outer side of the second base layer, and form a second rough surface layer.

2. The composite geomembrane of claim 1, further comprising a mesh reinforcement layer;

the net rib reinforcing layer is arranged between the body layer and the second base layer.

3. The composite geomembrane according to claim 1, wherein said first and second matte layers are of a net structure.

4. The composite geomembrane according to claim 1, wherein the thickness of the first base layer is 0.08 to 0.1mm, the thickness of the body layer is 0.55 to 0.6mm, and the thickness of the second base layer is 0.08 to 0.1 mm;

the thickness of the first rough surface layer is 0.03-0.05 mm, and the thickness of the second rough surface layer is 0.03-0.05 mm.

5. The composite geomembrane according to claim 1, wherein said composite geomembrane comprises a central region and edge regions on both sides of said central region;

the first base layer, the body layer and the second base layer of the central area of the composite geomembrane are mutually attached through co-extrusion processing, and the first base layer, the body layer and the second base layer of the edge area of the composite geomembrane are mutually separated so as to enable the composite geomembrane to pass through the edge areas to be mutually spliced.

6. The composite geomembrane according to claim 5, wherein a width ratio of said edge regions to said central region is 1: 9.

7. The composite geomembrane of claim 1, wherein said first base layer has a uv resistance coefficient greater than a uv resistance coefficient of said second base layer.