CN220058039U - A structure for centralized groundwater diversion and drainage - Google Patents

Abstract

The utility model provides a concentrate drainage structure for groundwater, it includes basin and drain pipe, establish a basin down every a section distance, the basin down includes concrete tank bottom, retaining wall, permeable layer, the retaining wall includes top retaining wall, lower retaining wall, go up retaining wall, the permeable layer includes filter screen layer, permeable membrane layer, sand stone layer, gravel layer, granite layer, the soil layer, the basin bottom is equipped with concrete tank bottom down, the concrete tank bottom upper end is equipped with top retaining wall, the lower extreme is equipped with lower retaining wall, lower retaining wall upper end is equipped with upper retaining wall, the upper portion of basin down is equipped with filter screen layer from down upwards in proper order, permeable membrane layer, sand stone layer, gravel layer, granite layer, the soil layer; the drain pipe passes the lower extreme of each lower basin, and the drain pipe outer loop faces one side in the lower basin and is provided with interior filter screen frame. This concentrate drainage structure is convenient carries out heavy filtration to the groundwater that oozes down, can filter away sediment impurity etc. thing, avoids blockking up pipeline, also effectual loss of reducing soil, sets up safer and more reliable.

Description

Be used for groundwater to concentrate drainage structure

Technical field:

the utility model relates to the technical field of underground water centralized drainage, in particular to a structure for underground water centralized drainage.

The background technology is as follows:

underground engineering in karst areas has complex karst hydrogeological conditions and rich karst crevice water, and at present, great importance is attached to the water containing condition in front of underground engineering excavation construction at home and abroad, and a plurality of methods for detecting the karst and the crevice water are available, such as a hydrogeological method, a ground penetrating radar, an infrared technology, a transient electromagnetic method and the like. However, practice shows that the existing advanced geological prediction method still cannot accurately predict and position the underground water, and the underground water inrush disaster is often caused in the excavation construction process, even serious disaster accidents are caused, so that the underground water must be effectively treated.

In the specification of the comparative document CN208762896U, which is a high-flow groundwater drainage structure, it is mentioned that the drainage steel pipe connects the centralized water-flushing point of the underground cavity and the permanent drainage channel; a water bin is arranged at the concentrated water-flushing point, and the drainage steel pipe is connected to the concentrated water-outlet point water bin; and the drainage steel pipe is provided with a valve and a pressure gauge. Further, the drainage steel pipe includes first steel pipe and second steel pipe, the underground cavern sets up the drainage point every a section distance, drainage point and permanent drainage channel are connected by first steel pipe, connect "by the second steel pipe that sets up along underground cavern length direction between sump and the first steel pipe, but groundwater in the contrast file draws row structure and can not carry out filtration treatment to the groundwater that oozes down, leads to silt impurity too much that carries in the groundwater, blocks up pipeline easily, also easily causes the loss of underground soil moreover, and fail safe.

The utility model comprises the following steps:

according to the defects of the prior art, the utility model provides a centralized drainage structure for groundwater, which can be used for filtering the downflowing groundwater.

The utility model adopts the following technical scheme to realize the aim:

the utility model provides a centralized drainage structure for underground water, which comprises a water discharging tank and a drain pipe; a lower water tank is arranged at intervals, the lower water tank is obliquely downwards arranged, the lower water tank comprises a concrete tank bottom, a baffle wall and a permeable layer, the baffle wall comprises a top baffle wall, a lower baffle wall and an upper baffle wall, the bottom of the lower water tank is provided with the concrete tank bottom, the upper end of the concrete tank bottom is provided with the top baffle wall, the lower end of the concrete tank bottom is provided with the lower baffle wall, the upper end of the lower baffle wall is provided with the upper baffle wall, and the permeable layer is arranged between the top baffle wall and the upper baffle wall; the permeable layer is obliquely arranged and comprises a filter screen layer, a permeable membrane layer, a sand stone layer, a gravel layer, a granite layer and a solid soil layer, wherein the filter screen layer, the permeable membrane layer, the sand stone layer, the gravel layer, the granite layer and the solid soil layer are sequentially arranged on the upper part of the lower water tank from bottom to top; the drain pipe passes lower extreme of lower basin, and the drain pipe outer loop face is provided with interior filter screen frame to one side of lower basin, and one side that outer loop face was kept away from down the basin hugs closely in the wall inboard down.

The concrete tank bottom adopts a ladder-type structure.

The concrete tank bottom is made of sand-free concrete.

The filter screen layer adopts a stainless steel screen structure.

The permeable membrane layer is made of groundwater hydrophilic permeable membrane material.

The drain pipe adopts a concrete pipe.

The inner filter screen frame adopts a stainless steel round hole net panel structure.

The length direction of the drain pipe is perpendicular to the lower end of the lower water tank.

The inner side of the lower retaining wall is arc-shaped, and the diameter of the arc is matched with the diameter of the drain pipe.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model is convenient for carrying out heavy filtration treatment on the infiltrated groundwater, can filter out sediment impurities and other objects, avoids blocking a conveying pipeline, effectively reduces soil loss, and is safer and more reliable to set.

Description of the drawings:

FIG. 1 is a schematic cross-sectional view of an embodiment of the present utility model;

FIG. 2 is a schematic top view of an embodiment of the present utility model;

FIG. 3 is a schematic view of the internal structure of the lower tank according to the embodiment of the utility model;

fig. 4 is a schematic structural view of a drain pipe according to an embodiment of the present utility model.

Reference numerals in the drawings:

1-a water discharging groove and 2-a water discharging pipe.

1.0-concrete tank bottom, 1.1-lower retaining wall, 1.2-upper retaining wall, 1.3-filter screen layer, 1.4-permeable membrane layer, 1.5-sand stone layer, 1.6-crushed stone layer, 1.7-granite layer, 1.8-solid soil layer and 1.9-top retaining wall.

2.0-inner filter screen frame.

The specific embodiment is as follows:

the present utility model will be further described with reference to the following specific embodiments, which are intended to be illustrative of the principles of the present utility model and not in any way limiting, nor will the same or similar techniques be used in connection with the present utility model beyond the scope of the present utility model.

Referring to fig. 1 to 4, the present utility model provides a concentrated drainage structure for groundwater, which includes a sewer tank 1 and a drain pipe 2.

A lower water tank 1 is arranged at intervals, the lower water tank 1 is arranged obliquely downwards, and the lower water tank 1 comprises a concrete tank bottom 1.0, a baffle wall and a permeable layer. The retaining walls comprise a top retaining wall 1.9, a lower retaining wall 1.1 and an upper retaining wall 1.2. The permeable layer is obliquely arranged and comprises a filter screen layer 1.3, a permeable membrane layer 1.4, a sand stone layer 1.5, a gravel layer 1.6, a granite layer 1.7 and a solid soil layer 1.8. The bottom of the lower water tank 1 is provided with a concrete tank bottom 1.0, the concrete tank bottom 1.0 adopts a ladder-shaped structure and is made of sand-free concrete materials, the concrete tank bottom 1.0 in the lower water tank 1 is arranged to facilitate the tight and firm underground water tank bottom surface of a building, so that the underground water tank bottom is isolated from underground soil, the anti-corrosion and durable water tank is longer, and meanwhile, the concrete tank bottom 1.0 is manufactured into a ladder-shaped shape to help buffer water flow impulse, so that underground water can slowly flow downwards in a concentrated mode. The upper end of the concrete tank bottom 1.0 is provided with a top retaining wall 1.9, the lower end is provided with a lower retaining wall 1.1, the upper end of the lower retaining wall 1.1 is provided with an upper retaining wall 1.2, the inner side of the lower retaining wall 1.1 is arc-shaped, and the diameter of the arc is matched with that of the drain pipe 2. The permeable layer sets up between top retaining wall 1.9, go up retaining wall 1.2, the upper portion of lower basin 1 has set gradually filter screen layer 1.3 from down upwards, osmotic membrane layer 1.4, gravel layer 1.5, gravel layer 1.6, granite layer 1.7, soil layer 1.8, filter screen layer 1.3 adopts stainless steel mesh structure, osmotic membrane layer 1.4 adopts groundwater hydrophilic osmotic membrane material, a plurality of permeable layers of lower basin 1 upper portion setting are for groundwater can pass through the infiltration in proper order, not only can leave silt lamp impurity, reach multiple filtration to the groundwater that forms, and loss and the subsidence of soil that also avoids.

The drain pipe 2 passes the lower extreme of each lower basin 1, and drain pipe 2 length direction sets up perpendicularly with each lower basin 1 lower extreme, and drain pipe 2 outer loop face is provided with interior filter screen frame 2.0 to one side of lower basin 1, and one side that outer loop face was kept away from lower basin 1 hugs closely in lower retaining wall 1.1 inboard. The drain pipe 2 adopts the concrete pipe, and interior filter screen frame 2.0 adopts stainless steel round hole net panel structure, and the setting of interior filter screen frame 2.0 is convenient in the rivers of the interior bottom of basin 1 enter into drain pipe 2 in the interior filter screen frame 2.0 down in drain pipe 2, and rethread drain pipe 2 carries to the final concentrated place of groundwater, more convenient and practical.

Claims (9)

1. A centralized drainage structure for groundwater, characterized by: the centralized drainage structure includes a sewer (1) and a drainage pipe (2); a sewer (1) is provided at intervals, and the sewer (1) is ) is set inclined downward. The sewer channel (1) includes a concrete tank bottom (1.0), a retaining wall, and a permeable layer. The retaining wall includes a top retaining wall (1.9), a lower retaining wall (1.1), an upper retaining wall (1.2), and a lower retaining wall (1.2). The bottom of the water tank (1) is provided with a concrete tank bottom (1.0). The upper end of the concrete tank bottom (1.0) is provided with a top retaining wall (1.9), and the lower end is provided with a lower retaining wall (1.1). The upper end of the lower retaining wall (1.1) An upper retaining wall (1.2) is provided, and a permeable layer is arranged between the top retaining wall (1.9) and the upper retaining wall (1.2); the permeable layer is arranged at an angle and includes a filter layer (1.3), a permeable membrane layer (1.4), and sand. Stone layer (1.5), gravel layer (1.6), granite layer (1.7), solid soil layer (1.8), the upper part of the sewer tank (1) is provided with a filter layer (1.3) and a permeable membrane in sequence from bottom to top. layer (1.4), sand and gravel layer (1.5), gravel layer (1.6), granite layer (1.7), and solid soil layer (1.8); the drainage pipe (2) passes through the lower end of each sewer tank (1) for drainage. An inner filter frame (2.0) is provided on the side of the outer ring surface of the pipe (2) facing the sink (1), and the side of the outer ring surface away from the sink (1) is close to the inside of the lower retaining wall (1.1). 2. A structure for centralized groundwater drainage according to claim 1, characterized in that: the bottom of the concrete tank (1.0) adopts a stepped structure. 3. A structure for centralized groundwater drainage according to claim 1, characterized in that: the bottom of the concrete tank (1.0) is made of sand-free concrete. 4. A structure for centralized groundwater drainage according to claim 1, characterized in that: the filter layer (1.3) adopts a stainless steel mesh structure. 5. A structure for centralized groundwater drainage according to claim 1, characterized in that: the permeable membrane layer (1.4) is made of groundwater hydrophilic permeable membrane material. 6. A structure for centralized groundwater drainage according to claim 1, characterized in that: the drainage pipe (2) is a concrete pipe. 7. A structure for centralized groundwater drainage according to claim 1, characterized in that: the inner filter frame (2.0) adopts a stainless steel round hole mesh panel structure. 8. A structure for centralized groundwater drainage according to claim 1, characterized in that the length direction of the drainage pipe (2) is vertically arranged with the lower end of the sewer tank (1). 9. A structure for centralized groundwater drainage according to claim 1, characterized in that: the inner side of the lower retaining wall (1.1) is arc-shaped, and the diameter of the arc is equal to the diameter of the drainage pipe (2) match.