CN216665639U

CN216665639U - Dampproofing system of electric power tunnel

Info

Publication number: CN216665639U
Application number: CN202122587640.5U
Authority: CN
Inventors: 彭结兵; 邱成波; 李勇; 吴传江; 王朋成; 苟坤; 杨凤玫; 胡雷凤; 夏宇; 张茂圆
Original assignee: Sichuan Xinchengneng Engineering Design Co ltd
Current assignee: Sichuan Xinchengneng Engineering Design Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-06-03
Anticipated expiration: 2031-10-27

Abstract

The utility model provides a moisture-proof system for an electric power tunnel, and relates to the technical field of electric power tunnels. The tunnel moisture-proof structure comprises a moisture-proof layer arranged on the inner wall of the tunnel, wherein a water collecting tank, a water collecting tank and a water discharging pipe are arranged at the bottom of the tunnel, a first filter screen is arranged in the water collecting tank, a second filter screen is also arranged in the water collecting tank at the lower part of the first filter screen, the water collecting tank is communicated with the water collecting tank, the water discharging pipe is communicated with the water collecting tank, and the pore diameter of a sieve pore of the first filter screen is larger than that of the second filter screen.

Description

Dampproofing system of electric power tunnel

Technical Field

The utility model relates to the technical field of electric power tunnels, in particular to a moistureproof system for an electric power tunnel.

Background

The cable tunnel is a corridor or tunnel-type structure for accommodating a large number of cables laid on the cable support, and the cable tunnel can protect the cables better and facilitate the inspection and maintenance of the cables by people.

Traditional cable tunnel all buries in the use of ground end generally, and if not in time with the ponding the circumstances back in the tunnel, if not discharge of water seepage, certain potential safety hazard can exist in the long-time soaking of the inside cable of cable tunnel in aquatic to if the drainage in-process contains impurity, can lead to the drainage pipe way to block up, need solve urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to develop a power tunnel moisture-proof system which collects and discharges water generated in a tunnel and filters the water before the water enters a pipeline.

The utility model is realized by the following technical scheme:

a power tunnel moisture protection system comprising:

the moisture-proof layer is arranged on the inner wall of the tunnel;

the water collecting tank is arranged at the bottom of the tunnel;

the drain pipe is arranged at the bottom of the tunnel;

the first filter screen is arranged in the water collecting tank;

the second filter screen is arranged in the water collecting tank at the lower part of the first filter screen;

wherein, catchment groove and water catch bowl intercommunication, drain pipe and catchment groove intercommunication, the mesh aperture of first filter screen is greater than the second filter screen.

Optionally, the moisture-proof layer sequentially comprises an inner layer, a steam-proof membrane, a heat-insulating layer, a waterproof breathable membrane and an outer layer.

Optionally, the outer layer is internally provided with a plurality of drying grooves which are uniformly arranged in a matrix manner, and a molecular sieve drying agent is arranged in each drying groove.

Optionally, the water collection tank is spherical.

Optionally, the water collecting tank is arranged on two sides of the bottom of the tunnel.

Optionally, a water pump is arranged at the bottom of the tunnel on the side of the water collecting groove, and the water pump is communicated with the bottom of the water collecting groove and the drain pipe through pipelines.

Optionally, be equipped with the float switch with water pump electric connection in the catchment groove.

Optionally, the bottom of the water collecting tank is arranged in a W shape in the length direction of the tunnel, and the water collecting tank is arranged at a low point of the water collecting tank.

Optionally, the water catch bowl top is located to first filter screen, first filter screen and second filter screen horizontal setting.

Optionally, the inner wall of the water collecting tank on two sides of the bottom of the first filter screen is provided with a supporting plate, and the first filter screen covers the supporting plate.

The utility model has the beneficial effects that:

according to the utility model, water generated in the tunnel flows into the water collecting tank and is converged into the water collecting tank, so that the accumulation of water in the tunnel is avoided, the water collecting tank is arranged on two sides of the bottom of the tunnel and plays a role in drainage, the water collecting tank is small in volume and small in occupied space, water can be automatically drained through the float switch after the water level of the water collecting tank is too high, manual monitoring is not needed, the first filter screen and the second filter screen can be used for filtering impurities in water in a grading manner, the bottom of the water collecting tank is W-shaped, the inclination angle is smaller, the density of the water collecting tank is reduced, and the arrangement number of water pumps is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a view of the structure of the catchment tank of the present invention;

FIG. 3 is a view showing a structure of a water collecting tank and a water collecting tank;

fig. 4 is a view showing the structure of a moisture barrier.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art can appreciate, the described embodiments may be modified in various different ways, without departing from the spirit or scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 4, the utility model discloses a moisture-proof system for an electric power tunnel, which comprises a moisture-proof layer 1 arranged on the inner wall of the tunnel, wherein the moisture-proof layer 1 sequentially comprises an inner layer 101, a steam-isolating membrane 102, a heat-insulating layer 103, a waterproof breathable membrane 104 and an outer layer 105, and the outer layer 105 is positioned on the outermost side. The outer layer 105 has a plurality of drying grooves 106 uniformly arranged in a matrix, and a molecular sieve drying agent is arranged in the drying grooves 106.

The tunnel bottom is equipped with two ponding grooves, and two water catch bowl 2 are located tunnel bottom both sides, and 2 upper portions of water catch bowl are the rectangle, and 2 lower parts of water catch bowl are convex.

2 upper portions of water catch bowl are equipped with first filter screen 4 and second filter screen 5, 2 tops of water catch bowl are located to first filter screen 4, second filter screen 5 is located in water catch bowl 2 of 4 lower parts of first filter screen, first filter screen 4 and the all level settings of second filter screen 5, the sieve mesh aperture of first filter screen 4 is greater than second filter screen 5, be equipped with the fagging on the 2 inner walls of water catch bowl of 4 bottom both sides of first filter screen, first filter screen 4 lid is on the fagging, make first filter screen 4 conveniently take out, so that clear up filterable impurity on the second filter screen 5.

The bottom of the water collecting tank 2 is arranged in a W shape in the length direction of the tunnel, a water collecting tank 6 is arranged at the lower point of the water collecting tank 2, and water flows to the lower point of the water collecting tank 2 and enters the water collecting tank 6 after entering the water collecting tank 2. The inclination angle of water catch bowl 2 is less for catchment groove 6 interval longer distance sets up, and catchment groove 6 is spherical. The water pump 7 and the drain pipe 3 are arranged at the bottom of the tunnel on the side face of the water collecting groove 6, and the water pump 7 is communicated with the bottom of the water collecting groove 6 and the drain pipe 3 through pipelines. A float switch electrically connected with the water pump 7 is arranged in the water collection tank 6, when the water level in the water collection tank 6 reaches a certain degree, the float switch acts to drive the water pump 7 to operate, and the water pump 7 sends accumulated water in the water collection tank 6 into the drain pipe 3 to be discharged.

The water that produces in the tunnel flows into in the water catch bowl 2 downwards, first filter screen 4 and second filter screen 5 filter impurity, avoid the impurity accumulation of aquatic in water catch bowl 2 and catchment groove 6, the mesh aperture of first filter screen 4 is greater than second filter screen 5, make impurity classification filter, first filter screen 4 can directly take out the convenience and clear up the impurity on the second filter screen 5, water after the filtration flows into in catchment groove 6 of low point in water catch bowl 2, when the water level in catchment groove 6 reaches the certain degree, float switch action drive water pump 7 operates, send into the water pipe 3 of catchment groove 6 and arrange outward.

According to the utility model, water generated in the tunnel flows into the water collecting tank 2 and is converged into the water collecting tank 6, so that the water is prevented from accumulating in the tunnel, the water collecting tank 2 is arranged at two sides of the bottom of the tunnel, the water collecting tank 2 plays a drainage role, the water collecting tank 2 is small in size and small in occupied space, water can be automatically drained through the float switch after the water level of the water collecting tank 6 is too high, manual monitoring is not needed, the first filter screen 4 and the second filter screen 5 can be used for filtering impurities in water in a grading manner, the bottom of the water collecting tank 2 is W-shaped, the inclination angle is smaller, the density of the water collecting tank 6 is reduced, and the arrangement number of the water pumps 7 is reduced.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, and should be considered to fall within the protection scope of the patent claims of the present invention.

Claims

1. A moisture protection system for a power tunnel, comprising:

the moisture-proof layer is arranged on the inner wall of the tunnel;

the water collecting tank is arranged at the bottom of the tunnel;

the water collecting tank is arranged at the bottom of the water collecting tank;

the drain pipe is arranged on the side surface of the water collecting tank;

the first filter screen is arranged in the water collecting tank;

2. The electric power tunnel moisture-proof system according to claim 1, wherein the moisture-proof layer comprises an inner layer, a vapor-barrier film, a heat-insulating layer, a waterproof and breathable film and an outer layer in sequence.

3. The electric power tunnel moisture protection system of claim 2, wherein the outer layer has a plurality of drying grooves uniformly arranged in a matrix, and a molecular sieve desiccant is arranged in the drying grooves.

4. The power tunnel moisture protection system of claim 1, wherein the catchment trough is spherical.

5. The power tunnel moisture protection system of claim 1, wherein the water collection troughs are provided on both sides of the tunnel bottom.

6. The moisture-proof system for the electric power tunnel according to claim 1, wherein a water pump is arranged at the bottom of the tunnel at the side of the water collecting tank, and the water pump is communicated with the bottom of the water collecting tank and the drain pipe through pipelines.

7. The moisture-proof system for electric power tunnels as claimed in claim 6, wherein a float switch electrically connected with the water pump is arranged in the water collection tank.

8. The power tunnel moisture protection system of claim 1, wherein the bottom of the water collection tank is disposed in a W-shape along the length of the tunnel, and the water collection tank is disposed at a low point of the water collection tank.

9. The electric power tunnel moisture protection system of claim 1, wherein the first filter screen is disposed at a top of the water collection tank, and the first filter screen and the second filter screen are disposed horizontally.

10. The electric power tunnel moisture-proof system according to claim 9, wherein a supporting plate is provided on the inner wall of the water collecting groove at both sides of the bottom of the first filter screen, and the first filter screen covers the supporting plate.