CN223295586U - Leakage detection system of double-layer HDPE film structure of red mud storage yard water return tank - Google Patents

Abstract

The utility model discloses a double-layer HDPE membrane structure leak detection system for a red mud dump return water pool, belonging to the field of water pool leak detection technology, and solving the problem of anti-seepage of the red mud dump return water pool. The technical solution for solving the problem mainly comprises a collection pool (3) arranged between an upper HDPE membrane (1) and a lower HDPE membrane (2), a lining layer (4) being provided in the collection pool (3), a leak detection pipe (5) being connected in the lining layer (4), the leak detection pipe (5) being connected to a leak detection well (6), and the leak detection well (6) being provided with a drainage pipe (7). The utility model is mainly used for monitoring whether there is leakage in the water pool and discharging the leaked liquid in time, thereby preventing the leaked liquid from further damaging the HDPE membrane.

Description

Leakage detection system of double-layer HDPE film structure of red mud storage yard water return tank

Technical Field

The utility model relates to a leakage detection system of a double-layer HDPE film structure of a red mud storage yard backwater pool, and belongs to the technical field of pool leakage detection.

Background

The red mud disposal site water return tank is used as an important facility for collecting the red mud disposal site leaching water, the pH value and the content of heavy metals such as lead and cadmium in the red mud leaching water are high, and if seepage prevention measures are improper, the red mud leaching water can be leaked, so that the surrounding environment is polluted.

Disclosure of Invention

In order to solve the technical problems, the leakage detection system with the double-layer HDPE film structure for the red mud storage yard water return tank solves the problem of seepage prevention of the red mud storage yard water return tank.

The utility model provides a leakage detection system of a double-layer HDPE (high-density polyethylene) film structure of a red mud storage yard water return tank, which comprises a collecting tank arranged between an upper-layer HDPE film and a lower-layer HDPE film, wherein a lining layer is arranged in the collecting tank, a leakage detection pipe is connected in the lining layer, the leakage detection pipe is connected with a leakage detection well, and the leakage detection well is provided with a drain pipe.

Furthermore, a lift pump is further arranged in the leak detection well, and the lift pump is communicated with the drain pipe.

Further, the bottom of the lining layer is provided with a supporting structure, and the supporting structure is arranged above the lower HDPE film.

Further, the geotechnical cloth protection layer is arranged at the top of the lining layer and is arranged below the upper HDPE film.

Further, a steel wire mesh is arranged on the water inlet side of the leakage detection pipe, and the steel wire mesh is hooped on the leakage detection pipe through steel wires.

Further, the joint of the leak detection pipe and the collecting tank is provided with a waterproof pipe sleeve.

By adopting the technical scheme, the utility model has the advantages that whether the upper HDPE film leaks from the lower HDPE film can be detected through the collecting tank, meanwhile, leaked liquid is collected and then sent into the leakage detection well, the leakage detection well discharges the leaked liquid, the damage of the leaked liquid to the upper HDPE film and the lower HDPE film is prevented, and the influence of red mud leaching water in the water return tank on the surrounding environment is reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of HDPE film and leak detection pipe welding;

In the figure, an upper HDPE film 1, a lower HDPE film 2, a collecting tank 3, a lining layer 4, a leak detection pipe 5, a leak detection well 6, a drain pipe 7, a lifting pump 8, a supporting structure 9, a geotextile protective layer 10, a steel wire mesh 11, steel wires 12, a waterproof pipe sleeve 13 and a welding plate 14 are arranged.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments.

The terms "first," "second," and the like in the description and in the claims, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order, and do not necessarily indicate a "first" even if a "second" is used before a certain feature. It should be understood that in the present utility model, "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. It should be understood that in the present utility model, "plurality" means two or more. "and/or" is merely an association relationship describing the association object, and means that three relationships may exist, for example, X and/or Y may mean that three cases of X alone, X and Y together, and Y alone exist. The character "/" generally indicates that the context-dependent object is an "or" relationship. "comprising X, Y and Z", "comprising X, Y, Z" means that all three of X, Y, Z comprise, "comprising X, Y or Z" means that one of X, Y, Z comprises, "comprising X, Y and/or Z" means that any one or any two or three of X, Y, Z comprise.

As shown in fig. 1, the utility model provides a leakage detection system of a double-layer HDPE film structure of a red mud storage yard water return tank, which comprises a collecting tank 3 arranged between an upper-layer HDPE film 1 and a lower-layer HDPE film 2, wherein a lining layer 4 is arranged in the collecting tank 3, a leakage detection pipe 5 is connected in the lining layer 4, the leakage detection pipe 5 is connected with a leakage detection well 6, and the leakage detection well 6 is provided with a drain pipe 7.

According to the utility model, whether the upper HDPE film 1 leaks from the lower HDPE film 2 or not can be detected through the collecting tank 3, meanwhile, leaked liquid is collected and then sent into the leakage detection well 6, the leakage detection well 6 discharges the leaked liquid, the damage of the leaked liquid to the upper HDPE film 1 and the lower HDPE film 2 is prevented, and the influence of red mud leaching water in the water return tank on the surrounding environment is reduced.

Wherein still be equipped with elevator pump 8 in the leak hunting well 6, and elevator pump 8 and drain pipe 7 UNICOM, after leak hunting pipe 5 will leak liquid discharge leak hunting well 6 in, elevator pump 8 can be to the leak hunting well 6 of inhaling to discharge leak hunting well 6 through the drain pipe 7 of UNICOM after pressurizing the leak hunting liquid, the staff can carry out water quality testing according to drain pipe 7 exhaust leak liquid, selects to discharge back the pond or directly discharges outward according to its quality of water condition.

Specifically, the lining layer 4 mainly comprises pebbles, the supporting structure 9 is arranged at the bottom of the lining layer 4, the supporting structure 9 is arranged above the lower HDPE film 2, the supporting structure 9 can prevent the pebbles from crushing the lower HDPE film 2, the geotextile protective layer 10 is arranged at the top of the lining layer 4, and the geotextile protective layer 10 is arranged below the upper HDPE film 1.

In this embodiment, the support structure 9 is a geotechnical composite drainage net with two-sided reverse filtration, the thickness of the geotechnical composite drainage net is 6.00mm, the upper layer HDPE film 1 and the lower layer HDPE film 2 are both environment-friendly HDPE light masks or single rough masks, the thickness of the upper layer HDPE film 1 is 2.00mm, and the thickness of the lower layer HDPE film 2 is 1.00mm.

The water inlet side of the leak detection pipe 5 is provided with the steel wire 12 net 11, the steel wire 12 net 11 is hooped on the leak detection pipe 5 through the steel wires 12, and the steel wire 12 net 11 can effectively prevent pebbles in the lining layer 4 from entering the leak detection pipe 5.

It can be appreciated that in order to prevent leakage from occurring at the position where the leak detection pipe 5 is installed, a waterproof pipe sleeve 13 is arranged at the joint of the leak detection pipe 5 and the collecting tank 3 and the joint of the leak detection pipe 5 and the leak detection well 6, leakage of liquid from the joint is prevented, damage is caused to the environment, and the waterproof pipe sleeve is of a flexible structure.

In this embodiment, since the leak detection pipe 5 is to extend into the liner layer 4, the leak detection pipe 5 needs to pass through the lower HDPE film 2, the leak detection pipe 5 and the perforation of the lower HDPE film 2 are connected by welding, and a welding plate 14 for connection is also provided between the leak detection pipe 5 and the lower HDPE film 2.

In addition to the preferred embodiments described above, other embodiments of the present utility model are also contemplated as falling within the scope of the claimed utility model, as well as all other embodiments that may be made by one of ordinary skill in the art without making any inventive effort based on the embodiments of the present utility model.

Claims (6)

1. The leakage detection system of the red mud storage yard water return tank double-layer HDPE film structure is characterized by comprising a collecting tank (3) arranged between an upper HDPE film (1) and a lower HDPE film (2), wherein a lining layer (4) is arranged in the collecting tank (3), a leakage detection pipe (5) is connected in the lining layer (4), the leakage detection pipe (5) is connected with a leakage detection well (6), and the leakage detection well (6) is provided with a drain pipe (7).

2. The leakage detection system of the double-layer HDPE film structure of the red mud storage yard water return tank of claim 1, wherein a lifting pump (8) is further arranged in the leakage detection well (6), and the lifting pump (8) is communicated with the water discharge pipe (7).

3. The leakage detection system of the double-layer HDPE film structure of the red mud disposal site water return pool of claim 1, wherein a supporting structure (9) is arranged at the bottom of the lining layer (4), and the supporting structure (9) is arranged above the lower-layer HDPE film (2).

4. The leakage detection system of the double-layer HDPE film structure of the red mud disposal site water return pool of claim 1, wherein the geotechnical cloth protection layer (10) is arranged at the top of the lining layer (4), and the geotechnical cloth protection layer (10) is arranged below the upper-layer HDPE film (1).

5. The leakage detection system of the double-layer HDPE film structure of the red mud disposal site water return pool of claim 1, wherein a steel wire mesh (11) is arranged on the water inlet side of the leakage detection pipe (5), and the steel wire mesh (11) is hooped on the leakage detection pipe (5) through steel wires (12).

6. The leakage detection system of the double-layer HDPE film structure of the red mud storage yard water return tank of claim 1, wherein a waterproof pipe sleeve (13) is arranged at the joint of the leakage detection pipe (5) and the collecting tank (3) and at the joint of the leakage detection pipe (5) and the leakage detection well (6).