CN218521720U - Composite geomembrane - Google Patents
Composite geomembrane Download PDFInfo
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- CN218521720U CN218521720U CN202221085166.4U CN202221085166U CN218521720U CN 218521720 U CN218521720 U CN 218521720U CN 202221085166 U CN202221085166 U CN 202221085166U CN 218521720 U CN218521720 U CN 218521720U
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- polyvinyl chloride
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Abstract
The utility model discloses a compound geomembrane, including the membrane body, the membrane body comprises non-woven fabrics layer, polyvinyl chloride layer and polyethylene layer, and the non-woven fabrics level is between polyvinyl chloride layer and polyethylene layer, the positive right side of membrane body is provided with the hot melt strip, the surface of hot melt strip is provided with a plurality of location archs, the left side at the membrane body back is provided with the bonding strip. This compound geomembrane, through setting up protruding and positioning groove in location, make two piece membrane bodies when connecting, can utilize the protruding positioning groove that inserts of location, correct the position, thereby prevent to connect and produce the incline, be convenient for location in the work progress, the membrane body is by the non-woven fabrics layer, polyvinyl chloride layer and polyethylene layer are constituteed, the non-woven fabrics layer is at the middle part, can increase substantially the tensile strength and the intensity of the membrane body, the waterproof performance can be guaranteed to the polyethylene and the polyvinyl chloride of upper and lower floor, through setting up hot melt strip, bonding strip and connecting strip, utilize hot melt bonding characteristic, improve sealed and joint strength.
Description
Technical Field
The utility model relates to a geomembrane technical field specifically is a compound geomembrane.
Background
The main mechanism of the geomembrane construction site is that the water leakage channel of the earth dam is separated by the impermeability of the plastic film, and the large tensile strength and elongation of the plastic film bear the water pressure and adapt to the deformation of the dam body; the non-woven fabric is also a chemical material of high polymer short fibers. The composite geomembrane is made up by using plastic film as impervious base material and combining it with non-woven fabric, its impervious performance mainly depends on the impervious performance of plastic film,
at present, the geomembrane made of a single material has poor strength and seepage-proofing capacity, and is easy to damage, so that seepage is caused. In addition, the geomembrane is connected by adopting a hot welding mode at present, the sealing performance of the welding effect is determined according to the material, and the material is not flat and is easy to cause later-stage leakage particularly when the construction welding is carried out in many times.
Therefore, the utility model provides a compound geomembrane.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compound geomembrane to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compound geomembrane, includes the membrane body, the membrane body comprises non-woven fabrics layer, polyvinyl chloride layer and polyethylene layer, and the non-woven fabrics layer is located between polyvinyl chloride layer and the polyethylene layer, the positive right side of membrane body is provided with the hot melt strip, the surface of hot melt strip is provided with a plurality of location archs, the left side at the membrane body back is provided with the bonding strip, a plurality of positioning groove have been seted up to the lower surface of bonding strip.
Preferably, the front surface of the membrane body is provided with a connecting strip, the connecting strip is positioned at the upper edge and the lower edge of the surface of the membrane body, and the connecting strip is vertical to the hot-melt strip and is made of the same material.
Preferably, the position and the specification of the positioning groove are matched with those of the positioning protrusion.
Preferably, the positioning protrusion and the hot melt strip are of an integrated structure, and the hot melt strip is made of a PES (polyether sulfone) adhesive film.
Preferably, the material of the adhesive strip is a PA adhesive film.
Advantageous effects
The utility model provides a compound geomembrane possesses following beneficial effect:
1. this compound geomembrane, the membrane body comprises non-woven fabrics layer, polyvinyl chloride layer and polyethylene layer, and the non-woven fabrics layer can increase substantially the tensile strength and the intensity of the membrane body at the middle part, and the waterproof performance can be guaranteed to the polyethylene and the polyvinyl chloride of upper and lower floor, through setting up hot melt strip, bonding strip and connecting strip, utilizes hot melt adhesive property, improves sealed and joint strength.
2. This compound geomembrane through setting up location arch and positioning groove, makes two film body when connecting, can utilize the protruding positioning groove that inserts of location to correct the position to prevent to connect and produce the incline, the location in the work progress of being convenient for.
Drawings
FIG. 1 is a schematic view of the front view structure of the present invention;
FIG. 2 is a schematic view of the back view structure of the present invention;
fig. 3 is a schematic diagram of the cross-sectional structure of the membrane body of the present invention.
In the figure: 1 film body, 2 non-woven fabrics layer, 3 polyvinyl chloride layer, 4 polyethylene layer, 5 hot melt strip, 6 location arch, 7 bonding strip, 8 location recess, 9 connecting strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a compound geomembrane, including the membrane body 1, the membrane body 1 is by non-woven fabrics layer 2, polyvinyl chloride layer 3 and polyethylene layer 4 are constituteed, and non-woven fabrics layer 2 is located between polyvinyl chloride layer 3 and the polyethylene layer 4, the positive right side of membrane body 1 is provided with hot melt strip 5, hot melt strip 5's surface is provided with a plurality of protruding 6 of location, the left side at the 1 back of membrane body is provided with bonding strip 7, a plurality of positioning groove 8 have been seted up to bonding strip 7's lower surface, positioning groove 8's position and specification all with the protruding 6 looks adaptations of location, through setting up protruding 6 of location and positioning groove 8, make two membrane bodies 1 when connecting, can utilize protruding 6 of location to insert positioning groove 8, correct the position, thereby prevent to connect and produce the skew, be convenient for the location in the work progress.
The front of the membrane body 1 is provided with connecting strip 9, and connecting strip 9 is located the upper and lower border department on membrane body 1 surface, and connecting strip 9 is mutually perpendicular with hot melt strip 5, and is same kind of material, fixes a position protruding 6 and hot melt strip 5 formula structure as an organic whole, and the material of hot melt strip 5 is the PES glued membrane, and the material of bonding strip 7 is the PA glued membrane.
This compound geomembrane, the membrane body 1 comprises non-woven fabrics layer 2, polyvinyl chloride layer 3 and polyethylene layer 4, and non-woven fabrics layer 2 can increase substantially the tensile strength and the intensity of membrane body 1 at the middle part, and the waterproof performance can be guaranteed to the polyethylene and the polyvinyl chloride of upper and lower floor, through setting up hot melt strip 5, bonding strip 7 and connecting strip 9, utilizes hot melt bonding characteristic, improves sealed and joint strength.
The working principle is as follows: when this compound geomembrane is connected, at first inside inserting the positioning groove 8 of another film body 1 with the location arch 6 of a film body 1, the position is aimed at the back, adopt the air heater, heat 5 and the bonding strip 7 of two film bodies 1, bond together after making the hot melt, when upside and the downside installation of film body 1 another film body 1, paste tightly another film body 1 and film body 1's surface, then adopt the air heater to heat connecting strip 9, can make two film body 1 connect closely behind the 9 hot melts of connecting strip.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A composite geomembrane comprising a membrane body (1), characterized in that: the utility model discloses a film body, including the film body, the film body (1) is by non-woven fabrics layer (2), polyvinyl chloride layer (3) and polyethylene layer (4) are constituteed, and non-woven fabrics layer (2) are located between polyvinyl chloride layer (3) and polyethylene layer (4), the positive right side of film body (1) is provided with hot melt strip (5), the surface of hot melt strip (5) is provided with a plurality of location arch (6), the left side at the film body (1) back is provided with bonding strip (7), a plurality of positioning groove (8) have been seted up to the lower surface of bonding strip (7).
2. A composite geomembrane according to claim 1, wherein: the front of the film body (1) is provided with a connecting strip (9), the connecting strip (9) is positioned at the upper edge and the lower edge of the surface of the film body (1), and the connecting strip (9) is vertical to the hot melting strip (5) and made of the same material.
3. A composite geomembrane according to claim 1, wherein: the position and the specification of the positioning groove (8) are matched with the positioning bulge (6).
4. A composite geomembrane according to claim 1, wherein: the positioning protrusion (6) and the hot melting strip (5) are of an integrated structure, and the hot melting strip (5) is made of PES (polyether sulfone) adhesive films.
5. A composite geomembrane according to claim 1, wherein: the material of the adhesive strip (7) is PA glue film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221085166.4U CN218521720U (en) | 2022-05-09 | 2022-05-09 | Composite geomembrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221085166.4U CN218521720U (en) | 2022-05-09 | 2022-05-09 | Composite geomembrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218521720U true CN218521720U (en) | 2023-02-24 |
Family
ID=85236470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221085166.4U Active CN218521720U (en) | 2022-05-09 | 2022-05-09 | Composite geomembrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218521720U (en) |
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2022
- 2022-05-09 CN CN202221085166.4U patent/CN218521720U/en active Active
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