CN207356717U - A kind of groundwater reservoir drainage system - Google Patents

Abstract

The utility model discloses an underground reservoir drainage system, which comprises a sedimentation tank, a water inlet pipe and a water outlet pipe, and a drainage pump is arranged on the water outlet pipe; the sedimentation tank includes a bottom, a top cover and a pool wall, and a The water inlet and the water outlet, the water inlet pipe is connected with the water inlet, and the water outlet pipe is connected with the water outlet; in the sedimentation tank, a filter purification device is also arranged obliquely; the filter purification device includes a top edge, a bottom edge and two side edges; the top edge It is connected with the top cover, the bottom edge is connected with the pool wall, and the bottom edge is located below the water outlet; the two side edges are respectively connected with the pool wall, and the water outlet is located between the two side edges. When the sand and gravel enter the sedimentation tank with the water, under the action of gravity, the sand and gravel will settle to the bottom of the sedimentation tank, and the sludge will also be filtered by the filter purification device and settle to the bottom of the sedimentation tank, so that it can be cleaned during normal operation. Silt, to ensure the safety of the underground reservoir, improve work efficiency.

Description

An underground reservoir drainage system

technical field

The utility model relates to the technical field of reservoir drainage, in particular to an underground reservoir drainage system.

Background technique

The coal mine underground reservoir is a form of storing water resources in the goaf, which belongs to the sealed space. The underground reservoir is filled with collapsed and broken gangue. Due to the separation of loose gangue and the precipitation of suspended particles, it is easy to cause reservoir sedimentation, and the sedimentation state is difficult to observe. When pumping water with a decontamination pump, the maximum particle size cannot exceed 10mm, and Stone is different from ordinary fibers, its strength is high, it cannot be cut, and the loss of the pump is very large, which is not stable for the underground reservoir. When laying a filter in front of the pipeline, due to the accumulation of sand and stone Therefore, it is very important to find a system and method that can desilt during normal operation.

Utility model content

The purpose of the invention of the utility model is to overcome the defects in the prior art, and provide a drainage system for underground reservoirs that can be dredged during normal operation.

The technical scheme of the utility model provides an underground reservoir drainage system, which includes a sedimentation tank for sedimentation of sand and gravel, a water inlet pipe for communicating with the underground reservoir, and an outlet pipe for discharging water in the sedimentation tank;

A drainage pump is arranged on the outlet pipe;

The sedimentation tank comprises a bottom of the pond, a top cover and a wall connected between the bottom of the pond and the top cover,

A water inlet and a water outlet are provided on the upper part of the pool wall, the water inlet pipe communicates with the water inlet, and the water outlet pipe communicates with the water outlet;

In the sedimentation tank, a filter and purification device is also arranged obliquely, and along the direction from the top cover to the bottom of the pool, the filter and purification device extends obliquely toward the water outlet side;

The filter purification device includes a top edge, a bottom edge and two side edges connected between the top edge and the bottom edge;

The top edge is connected to the top cover, the bottom edge is connected to the pool wall, and the bottom edge is located below the water outlet;

The two side edges are respectively connected to the pool wall, and the water outlet is located between the two side edges.

Further, the included angle between the filter purification device and the pool wall is between 30°-60°.

Further, the included angle between the filtering and purifying device and the pool wall is 45°.

Further, the filtration and purification device includes a filter element and a purification element, and the purification element is located on a side close to the water outlet.

Further, the water inlet pipe is arranged obliquely;

In the direction from the water inlet pipe to the sedimentation tank, the water inlet pipe extends obliquely upward.

Further, the angle between the water inlet pipe and the pool wall is between 2°-20°.

Further, the sedimentation tank is in the shape of a cuboid, a cube or a cylinder.

Further, a switchable airtight door is provided at the lower part of the pool wall.

Further, at least one waterproof layer is coated on the inner surface of the pool wall and the pool bottom.

Further, a filter net is also arranged in the water outlet pipe.

Adopt above-mentioned technical scheme, have following beneficial effect:

When the water in the underground reservoir enters the sedimentation tank through the water inlet pipe, the sand and gravel enter the sedimentation tank with the water, and under the action of gravity, the sand and gravel settle to the bottom of the sedimentation tank, and the silt will also be filtered by the filter purification device and precipitated to sedimentation At the bottom of the pool, when the water is discharged through the outlet pipe, it is filtered and purified water, which basically does not contain sand, gravel and silt, so that it can be dredged during normal work, ensuring the safety of the underground reservoir and reducing the workload. Improved work efficiency.

Description of drawings

Fig. 1 is the connection diagram of the underground reservoir drainage system provided by an embodiment of the utility model;

Fig. 2 is the structural representation of sedimentation tank;

Fig. 3 is the structural representation of filter purification device;

Fig. 4 is a schematic diagram of the arrangement of filter elements and purification elements.

Reference sign comparison table:

1-sedimentation tank; 11-bottom of the tank; 12-top cover;

13-pool wall; 131-water inlet; 132-water outlet;

133-sealed door; 2-water inlet pipe; 3-water outlet pipe;

4-drainage pump; 5-filter purification device; 51-top edge;

52 - bottom edge; 53 - side edge; 54 - filter element;

55 - purification element; 6 - underground water reservoir.

Detailed ways

The specific embodiment of the utility model will be further described below in conjunction with the accompanying drawings. Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer ” refer to directions towards or away from the geometric center of a particular part, respectively.

As shown in Figures 1-3, an embodiment of the utility model provides an underground reservoir drainage system, including a sedimentation tank 1 for sand and gravel settlement, a water inlet pipe 2 for communicating with an underground reservoir 6, and a sedimentation tank for The outlet pipe 3 through which the water in 1 is discharged is provided with a drainage pump 4 on the outlet pipe 3 .

The sedimentation tank 1 comprises a pool bottom 11, a top cover 12 and a pool wall 13 connected between the bottom 11 and the top cover 12.

A water inlet 131 and a water outlet 132 are provided on the top of the pool wall 13 , the water inlet pipe 2 communicates with the water inlet 131 , and the water outlet pipe 3 communicates with the water outlet 132 .

A filtering and purifying device 5 is also arranged obliquely in the sedimentation tank 1 . Along the direction from the top cover 12 to the pool bottom 11 , the filtering and purifying device 5 extends obliquely toward the water outlet 132 side.

The filtering and purifying device 5 includes a top edge 51, a bottom edge 52 and two side edges 53 connected between the top edge 51 and the bottom edge 52.

The top edge 51 is connected to the top cover 12 , the bottom edge 52 is connected to the pool wall 13 , and the bottom edge 13 is located below the water outlet 132 .

The two side edges 53 are respectively connected to the pool wall 13 , and the water outlet 132 is located between the two side edges 53 .

The underground reservoir drainage system in the utility model is a device specially used for draining the water in the underground reservoir. Of course, it can also be applied to above-ground reservoirs.

Under normal circumstances, the underground reservoir 6 is stored first, and when the water in the underground reservoir reaches a specified height, it is discharged outside.

The drainage system of the underground reservoir in the utility model is mainly composed of a sedimentation tank 1, a water inlet pipe 2, a water outlet pipe 3, a drainage pump 4 and a filtration and purification device 5.

Settling tank 1 is used for sedimentation of sand and gravel silt in water, and it is composed of pool bottom 11, top cover 12 and pool wall 13 connected between pool bottom 11 and top cover 12. 13 form a water-holding space between them.

A water inlet hole 131 and a water outlet hole 132 are opened on the upper part of the pool wall 13 . Preferably, the water inlet hole 131 and the water outlet hole 132 are oppositely arranged on both sides of the pool wall 13 to play a convective effect.

The water inlet pipe 131 is connected with the water inlet hole 131 for introducing the water in the underground water reservoir 6 into the sedimentation tank 1 . The water outlet pipe 3 is connected to the water outlet 132 , and a drain pump 4 is arranged on the water outlet pipe 3 to discharge the water in the sedimentation tank 1 .

The filtering and purifying device 5 is installed in the sedimentation tank 1, and is inclined. The inclination of the filtering and purifying device 5 is as follows: along the direction from the top cover 12 to the pool bottom 11 , the filtering and purifying device 5 extends obliquely toward the water outlet 132 side.

The filtering and purifying device 5 includes a top edge 51 , a bottom edge 52 and two side edges 53 , and the two side edges 53 are connected between the top edge 51 and the bottom edge 52 .

The top edge 51 is in sealing connection with the top cover 12, the bottom edge 52 is in sealing connection with the pool wall 13, and the two side edges 53 are respectively in sealing connection with the pool wall 13, and the bottom edge 13 is located below the water outlet 132, and the water outlet 132 is also located in Between the two side edges 53 , so that the filter and purification device 5 covers the water outlet 132 , or the water outlet 132 is located in the projection area of the filter and purification device 5 on the pool wall 13 at the side of the water outlet 132 .

When needing drainage, the control switch on the water inlet pipe 2 and the water outlet pipe 3 is opened, and the drain pump 4 is started. The water in the underground reservoir flows toward the water inlet pipe 2 under the action of its own gravity, and the water enters the sedimentation tank 1 through the water inlet pipe 2 .

Because the flow rate of water is very fast, it will be mixed with sand and silt into the sedimentation tank 1, and the sand with larger particle size and part of the silt will settle down in the sedimentation tank 1 due to gravity.

When the water level in the sedimentation tank 1 exceeds or reaches the height of the water outlet 132 , the water will be discharged through the water outlet pipe 3 .

Before the water enters the water outlet 132, it is filtered and purified by the filter and purification device 5, and other part of the silt and sand with smaller particle size will also be filtered and purified by the filter and purification device 5.

Due to the oblique arrangement of the filtering and purifying device 5 , the filtered and purified sand and mud will automatically fall and settle on the bottom 11 of the pool.

As a result, the water discharged through the outlet pipe 3 is filtered and purified water, which basically does not contain sand and gravel silt, so that it can be dredged during normal work, ensuring the safety of the underground reservoir, reducing the workload, and improving the water quality. work efficiency.

The sandstone and silt in the settling tank 1 are removed every once in a while to ensure the normal operation of the system.

Preferably, the included angle between the filter purification device 5 and the pool wall 13 is between 30°-60°, preferably 45°, which can ensure that small particles of impurities will settle under their own weight after being blocked by the filter purification device 5 To the bottom of the pool, just clean the sedimentation tank regularly.

Preferably, as shown in FIG. 4 , the filtering and purifying device 5 includes a filtering element 54 and a purifying element 55 , and the purifying element 55 is located on a side close to the water outlet 132 . Realize first filtration and then purification, improve the purification efficiency, and make the discharged water meet the industrial discharge standard to protect water resources.

The filter element 54 can be a filter screen or a barbed wire, and is used to filter the silt or gravel in the water. The purification element 55 may be a purification component containing elements such as activated carbon, chlorine gas, etc., and is used for purifying microorganisms, bacteria, etc. in the water.

Preferably, as shown in Figure 1-2, the water inlet pipe 2 is arranged obliquely, and in the direction from the water inlet pipe 2 to the sedimentation tank 1, the water inlet pipe 2 extends obliquely upward. The angle between the water inlet pipe 2 and the pool wall 13 is between 2°-20°.

When the height of the water storage in the underground reservoir was higher than the height of the water inlet 131, the water quickly flowed into the sedimentation tank through the water inlet pipe 2 under the action of pressure. Since the water inlet pipe 2 is obliquely arranged, its inlet port faces the bottom plate of the underground reservoir, which is beneficial to The surrounding sand or silt is sucked into the sedimentation tank for sedimentation treatment.

When the height of the underground reservoir is greater than 8m, the diameter of the water inlet pipe 2 is about 400mm, the water inlet port of the water inlet pipe 2 is about 1000mm away from the reservoir floor, and the inclination angle of the water inlet pipe 2 in the vertical direction is not more than 5°. The length of the sedimentation tank is not more than 1500mm, the sedimentation tank is preferably square, the left and right width is about 5m, the front and rear length is not less than 3m, and the height is not less than 1m.

When the height of the underground reservoir is less than 8m, the diameter of the water inlet pipe 2 is about 300mm, the water inlet port of the water inlet pipe 2 is no more than 500mm from the bottom plate of the reservoir, and the inclination angle of the water inlet pipe 2 is not more than 8° in the vertical direction. The length does not exceed 1000mm. The sedimentation tank is preferably square, with a left and right width of about 1.5m, a front and back length of not less than 4m, and a height of not less than 0.6m.

Preferably, the sedimentation tank is in the shape of a cuboid, a cube or a cylinder to meet the needs of different working conditions.

Preferably, as shown in FIG. 2 , a sealed door 133 capable of opening and closing is provided at the lower part of the pool wall 13 . Settling tank 1 is a sealed tank. When it is necessary to clean up the silt and sand inside the settling tank 1, the sealed door 133 is opened to clean up. After cleaning, the sealed door 133 is closed to keep the interior sealed and prevent the silt and sand from contacting with the external environment to cause adverse effects. necessary pollution.

The airtight door 133 is arranged on the bottom or bottom of the pool wall 13, which is beneficial for cleaning and carrying.

Preferably, at least one waterproof layer is coated on the inner surface of the pool wall 13 and the pool bottom 11 to play a waterproof role and improve the sealing performance of the sedimentation tank.

The inner surface referred to here is the surface facing the side of the water-holding space.

Preferably, a filter screen is also provided in the water outlet pipe 3 to perform a secondary filtering function to filter the sand and silt with a smaller particle size again, so as to ensure that the discharged water meets the requirements and protect the environment.

According to needs, the above technical solutions can be combined to achieve the best technical effect.

What has been described above is only the principle and preferred embodiments of the present utility model. It should be pointed out that for those skilled in the art, several other modifications can be made on the basis of the principle of the utility model, which should also be regarded as the protection scope of the utility model.

Claims (10)

1. An underground reservoir drainage system, characterized in that, comprises a settling tank for sandstone settlement, a water inlet pipe for communicating with the underground reservoir and an outlet pipe for discharging the water in the settling tank; A drainage pump is arranged on the outlet pipe; The sedimentation tank comprises a bottom of the pond, a top cover and a wall connected between the bottom of the pond and the top cover, A water inlet and a water outlet are provided on the upper part of the pool wall, the water inlet pipe communicates with the water inlet, and the water outlet pipe communicates with the water outlet; In the sedimentation tank, a filter and purification device is also arranged obliquely, and along the direction from the top cover to the bottom of the pool, the filter and purification device extends obliquely toward the water outlet side; The filter purification device includes a top edge, a bottom edge and two side edges connected between the top edge and the bottom edge; The top edge is connected to the top cover, the bottom edge is connected to the pool wall, and the bottom edge is located below the water outlet; The two side edges are respectively connected to the pool wall, and the water outlet is located between the two side edges. 2. The underground reservoir drainage system according to claim 1, characterized in that, the included angle between the filtering and purifying device and the pool wall is between 30°-60°. 3. The underground reservoir drainage system according to claim 2, characterized in that the included angle between the filtering and purifying device and the pool wall is 45°. 4. The underground reservoir drainage system according to any one of claims 1-3, wherein the filtering and purifying device comprises a filtering element and a purifying element, and the purifying element is located on a side close to the water outlet . 5. The underground reservoir drainage system according to claim 1, wherein the water inlet pipe is arranged obliquely; In the direction from the water inlet pipe to the sedimentation tank, the water inlet pipe extends obliquely upward. 6. The underground reservoir drainage system according to claim 5, characterized in that, the angle between the water inlet pipe and the pool wall is between 2°-20°. 7. The underground reservoir drainage system according to claim 1, characterized in that, the sedimentation tank is in the shape of a cuboid, a cube or a cylinder. 8. The underground water reservoir drainage system according to claim 1, characterized in that a switchable sealing door is provided at the lower part of the pool wall. 9. The underground reservoir drainage system according to claim 1, characterized in that at least one waterproof layer is coated on the inner surface of the pool wall and the pool bottom. 10. The underground reservoir drainage system according to claim 1, characterized in that, a filter screen is also arranged in the outlet pipe.