CN213682235U

CN213682235U - Geomembrane with strong corrosion resistance function

Info

Publication number: CN213682235U
Application number: CN202022484499.1U
Authority: CN
Inventors: 段文凤; 顾明琴; 杜思玲
Original assignee: Yizheng Fudi Geotechnical Materials Co Ltd
Current assignee: Yizheng Fudi Geotechnical Materials Co Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-07-13
Anticipated expiration: 2030-10-30

Abstract

The utility model relates to a geomembrane technical field especially relates to a geomembrane of strong function of corrosion resistance. The to-be-solved technical problem of the utility model is that the inflation gas that can't independently discharge geotechnological cloth bottom and geotechnological cloth produced hold perishable problem. In order to solve the technical problem, the utility model provides a geomembrane of strong function of corrosion resistance, including the basic unit, the bottom surface fixedly connected with intermediate layer of basic unit, and the waterproof ventilated membrane of interbedded bottom surface fixedly connected with, the first anticorrosive coating of bottom surface fixedly connected with of waterproof ventilated membrane. The utility model discloses a setting of waterproof ventilated membrane, the gas that makes skid resistant course bottom produce can get into the intermediate layer in, and gaseous accumulation holds under the condition of certain pressure in the intermediate layer, and in getting into the air jacket through the bleeder vent, through supporting piece, air supporting piece and reset spring's cooperation, gaseous upwards promotes the air supporting piece upwards to loop through waterproof spacer and ventilative closing cap and discharge, in order to reduce the damage of gas to the geomembrane.

Description

Geomembrane with strong corrosion resistance function

Technical Field

The utility model relates to a geomembrane technical field specifically is a geomembrane of strong function of corrosion resistance.

Background

In recent years, geomembrane as a novel anti-seepage material is widely applied to earth-rock dam anti-seepage engineering, particularly after the flood of Yangtze river and Songhua river in 1998, the water conservancy department promulgates the industrial standard related to the application and test of geosynthetic materials, so that the test, design and construction of the geomembrane are in the rule and can be followed, and the application of the geomembrane in the water conservancy engineering, traffic engineering and building engineering is greatly promoted.

The prior art has at least the following problems which are not solved: 1. the traditional geotextile is used in the environment of humidity or high temperature, gas is inevitably generated under the action of underground water or chemical reaction of other organic matters, and the geotextile can expand, deform and even explode along with the accumulation of gas at the bottom of the geotextile, so that the geotextile loses the characteristics and shortens the service life; 2. and the air permeability is poor, so that the inner part of the geomembrane is easy to rot, and the service life of the geomembrane is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a geomembrane of strong function of corrosion resistance has solved the inflation gas that can't independently discharge geotechnological cloth bottom produced and the easy rotten problem of geotechnological cloth.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a geomembrane of strong function of corrosion resistance, includes the basic unit, the bottom surface fixedly connected with intermediate layer of basic unit, and the waterproof ventilated membrane of interbedded bottom surface fixedly connected with, the first anticorrosive coating of bottom surface fixedly connected with of waterproof ventilated membrane, and the bottom surface fixedly connected with skid resistant course of first anticorrosive coating, the top surface fixedly connected with barrier layer of basic unit, and the top surface fixedly connected with second anticorrosive coating of barrier layer, the nested exhaust sleeve that has in top of second anticorrosive coating, and exhaust sleeve's bottom runs through the second anticorrosive coating and extend to the double-layered in its below, the intraductal activity overlap joint of exhaust sleeve has the bearing piece, and the activity cup jointed air supporting piece and reset spring from the bottom up in proper order on the bearing piece, the top swing joint of exhaust sleeve inside wall has waterproof spacer, and exhaust sleeve's top swing joint has ventilative closing cap.

Preferably, the interlayer is a spongy structure made of antibacterial and deodorant fibers, and the bottom of the anti-slip layer is provided with anti-slip protrusions.

Preferably, the first anticorrosive layer and the second anticorrosive layer are both made of epoxy resin, and the impermeable layer is made of density polyethylene resin.

Preferably, the outer wall of the lower half end of the exhaust sleeve is provided with an air hole penetrating through the inner wall of the exhaust sleeve, the top end of the outer wall of the exhaust sleeve is provided with an external thread matched with the inner wall of the air-permeable sealing cover, and the joint of the exhaust sleeve, the second anticorrosive layer and the impermeable layer is subjected to waterproof treatment.

Further preferably, the top end of the inner wall of the exhaust sleeve is provided with an internal thread matched with the waterproof spacer, and the waterproof spacer is formed by fixing a polytetrafluoroethylene breathable film in a round frame.

Preferably, the supporting piece is composed of a top fixing bolt of the net piece, and the bottom of the upper half end of the bolt is fixedly connected with the top end of the return spring.

(III) advantageous effects

The utility model provides a geomembrane of strong function of corrosion resistance possesses following beneficial effect:

(1) the setting through waterproof ventilated membrane, the gaseous entering interlayer that makes skid resistant course bottom produce, gaseous accumulation in the interlayer is held under the condition of certain pressure, in getting into the air discharge casing through the bleeder vent, through supporting piece, air supporting piece and reset spring's cooperation, gaseous upwards promotes the air supporting piece upwards, loops through waterproof spacer and ventilative closing cap and discharges afterwards to reduce the damage of gas to the geomembrane, thereby guarantee the life of geomembrane.

(2) The anti-corrosion strength of the geomembrane can be improved by the first anti-corrosion layer and the second anti-corrosion layer which are respectively arranged on the upper side and the lower side of the geomembrane, the waterproof breathable film and the impermeable layer which are arranged can prevent the inner part of the geomembrane from being soaked in water so as to be rotten too early, and the interlayer made of the antibacterial deodorant fibers can reduce the bacteria inside the geotextile and the odor, thereby prolonging the service time of the geomembrane and ensuring the quality of the geomembrane in use.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1;

fig. 3 is a cross-sectional view of the structure of the exhaust sleeve of the present invention.

In the figure: 1. a base layer; 2. an interlayer; 3. a waterproof breathable film; 4. a first anticorrosive layer; 5. an anti-slip layer; 6. an impermeable layer; 7. a second anticorrosive layer; 8. an exhaust sleeve; 9. a support member; 10. air floating sheets; 11. a return spring; 12. a waterproof spacer; 13. and (7) ventilating and sealing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a geomembrane with a strong corrosion resistance function comprises a base layer 1, wherein an interlayer 2 is fixedly connected to the bottom surface of the base layer 1, a waterproof breathable film 3 is fixedly connected to the bottom surface of the interlayer 2, the interlayer 2 is of a spongy structure made of antibacterial deodorant fibers, anti-skidding bulges are arranged at the bottom of an anti-skidding layer 5, the arrangement of the interlayer 2 can reduce the pressure of gas on the local part of the geotextile, the emission of the gas is facilitated while the gas pressure is balanced, the arrangement of the anti-skidding bulges improves the anti-skidding property of the geotextile and provides corresponding grooves for facilitating the circulation of the gas on the ground, the average gas pressure is obtained, a first anti-corrosion layer 4 is fixedly connected to the bottom surface of the waterproof breathable film 3, the anti-skidding layer 5 is fixedly connected to the bottom surface of the first anti-corrosion layer 4, an impermeable layer 6 is fixedly connected to the top surface of the base layer 1, a second anti-corrosion layer 7 is fixedly connected to, the impermeable layer 6 is made of dense polyethylene resin, the high-density polyethylene resin is used as the impermeable layer 6, the impermeable capacity, the chemical stability, the aging resistance, the puncture resistance and other performances of the impermeable geomembrane are improved, the top of the second anticorrosive layer 7 is nested with the exhaust sleeve 8, the bottom end of the exhaust sleeve 8 penetrates through the second anticorrosive layer 7 and extends into the interlayer 2 below the second anticorrosive layer, the exhaust sleeve 8 is movably lapped with the supporting piece 9, the top end of the inner wall of the exhaust sleeve 8 is provided with an internal thread matched with the waterproof spacer 12, the waterproof spacer 12 is composed of a polytetrafluoroethylene permeable membrane fixed in a circular frame, the waterproof spacer 12 can further prevent water flow from entering the interlayer 2 while being permeable, the supporting piece 9 is sequentially and movably sleeved with the air floating piece 10 and the reset spring 11 from bottom to top, the supporting piece 9 is composed of top fixing bolts of the mesh, and the bottom of the upper half ends of the bolts is fixedly connected with the top end of the reset spring 11, the top end swing joint of 8 inner walls of exhaust sleeve has

waterproof spacer

12, and 8's top end swing joint of exhaust sleeve has ventilative closing cap 13, and the bleeder vent that runs through to its inner wall is seted up to the outer wall of 8 lower ends of exhaust sleeve, and the top of 8 outer walls of exhaust sleeve seted up with ventilative closing cap 13 inner wall matched with external screw thread, and exhaust sleeve 8 is waterproof treatment with the junction of second anticorrosive coating 7 and barrier 6.

The utility model has the advantages that through the arrangement of the waterproof breathable film 3, the gas generated at the bottom of the anti-skid layer 5 can enter the interlayer 2, the gas is accumulated in the interlayer 2 under a certain pressure and enters the exhaust sleeve 8 through the vent holes, the gas upwards pushes the air floating sheet 10 through the matching of the supporting piece 9, the air floating sheet 10 and the reset spring 11, and then the gas is discharged sequentially through the waterproof spacer 12 and the breathable sealing cover 13 to reduce the damage of the gas to the geomembrane, thereby ensuring the service life of the geomembrane, through the first anticorrosive layer 4 and the second anticorrosive layer 7 which are respectively arranged above and below the geomembrane, the anti-corrosion strength of the geomembrane can be improved, through the waterproof breathable film 3 and the impermeable layer 6 which are arranged, the water can be prevented from entering the inner part of the geomembrane to cause premature decay, the interlayer 2 made of the antibacterial deodorant fiber can reduce the generation of bacteria and odor inside the geotextile, thereby prolonging the service time of the geomembrane and ensuring the quality of the geomembrane in use.

The working principle is as follows: gas that geotechnological cloth bottom produced loops through skid resistant course 5, in first anticorrosive coating 4 and waterproof ventilated membrane 3 gets into intermediate layer 2, gas accumulates under the condition of certain pressure in intermediate layer 2, get into exhaust sleeve 8 through the bleeder vent in, through supporting 9, air supporting piece 10 and reset spring 11's cooperation, gas upwards promotes air supporting piece 10 upwards, loop through waterproof spacer 12 and ventilative closing cap 13 and discharge afterwards, in order to reduce the damage of gas to the geomembrane, thereby guarantee the life of geomembrane.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. A geomembrane with a strong corrosion resistance function comprises a base layer (1), and is characterized in that: the bottom surface of the base layer (1) is fixedly connected with an interlayer (2), the bottom surface of the interlayer (2) is fixedly connected with a waterproof breathable film (3), the bottom surface of the waterproof breathable film (3) is fixedly connected with a first anticorrosive coating (4), the bottom surface of the first anticorrosive coating (4) is fixedly connected with an anti-slip layer (5), the top surface of the base layer (1) is fixedly connected with an impermeable coating (6), the top surface of the impermeable coating (6) is fixedly connected with a second anticorrosive coating (7), the top of the second anticorrosive coating (7) is nested with an exhaust sleeve (8), the bottom end of the exhaust sleeve (8) penetrates through the second anticorrosive coating (7) and extends into the interlayer (2) below the second anticorrosive coating, a bearing piece (9) is movably lapped in the exhaust sleeve (8), and an air floatation sheet (10) and a reset spring (11) are sequentially movably sleeved on the bearing piece (9) from bottom to top, the top end of the inner wall of the exhaust sleeve (8) is movably connected with a waterproof spacer (12), and the top end of the exhaust sleeve (8) is movably connected with a breathable sealing cover (13).

2. The highly corrosion-resistant functional geomembrane according to claim 1, wherein: the interlayer (2) is of a sponge structure made of antibacterial deodorant fibers, and the bottom of the anti-skid layer (5) is provided with anti-skid protrusions.

3. The highly corrosion-resistant functional geomembrane according to claim 1, wherein: the first anticorrosive layer (4) and the second anticorrosive layer (7) are both made of epoxy resin, and the impermeable layer (6) is made of density polyethylene resin.

4. The highly corrosion-resistant functional geomembrane according to claim 1, wherein: the outer wall of the lower half end of the exhaust sleeve (8) is provided with an air hole penetrating through the inner wall of the exhaust sleeve, the top end of the outer wall of the exhaust sleeve (8) is provided with an external thread matched with the inner wall of the air-permeable sealing cover (13), and the joint of the exhaust sleeve (8) and the second anticorrosive layer (7) and the impermeable layer (6) is subjected to waterproof treatment.

5. The highly corrosion-resistant functional geomembrane according to claim 1, wherein: the top end of the inner wall of the exhaust sleeve (8) is provided with an internal thread matched with the waterproof spacer (12), and the waterproof spacer (12) is composed of a round frame internally fixed polytetrafluoroethylene breathable film.

6. The highly corrosion-resistant functional geomembrane according to claim 1, wherein: the supporting piece (9) is composed of a top fixing bolt of the net piece, and the bottom of the upper half end of the bolt is fixedly connected with the top end of the reset spring (11).