CN215166269U - Landfill sludge impoundment structure with good anti-seepage function - Google Patents

Abstract

The utility model discloses a landfill sludge impoundment structure with good prevention of seepage function, including the landfill, the landfill is fluted type structure, is equipped with the water conservancy diversion layer of vertical cavity water conservancy diversion well and slope in the landfill, the water conservancy diversion layer respectively with water conservancy diversion well and landfill fixed connection, the one end that the water conservancy diversion layer is close to the water conservancy diversion well is less than the other end, the water conservancy diversion well top runs through the landfill, the water conservancy diversion well side is equipped with a plurality of through-holes that are used for the blowdown, the water conservancy diversion well bottom is equipped with the permeable formation, the permeable formation bottom is equipped with the sludge impoundment, be equipped with the drain pipe in the sludge impoundment, the water piping connection has the sludge pump. The utility model discloses a set up water conservancy diversion well and water conservancy diversion layer, can lead to the sludge impoundment with landfill sewage water conservancy diversion, solved landfill sewage and probably infiltrated the problem that the underground leads to polluting groundwater downwards.

Description

Landfill sludge impoundment structure with good anti-seepage function

Technical Field

The utility model relates to a refuse treatment field, concretely relates to landfill sludge impoundment structure with good prevention of seepage function.

Background

The garbage disposal mode is generally divided into a plurality of modes of sanitary landfill, incineration, composting and the like, the sanitary landfill of the garbage is widely applied in China due to low cost and good sanitary degree, the garbage landfill is generally processed by adopting a layered earth covering landfill mode, and a layer of the garbage is stacked and then covered with a layer of loess, so that the pollution of the garbage landfill is easily reduced. The landfill site is generally used for long time landfill, and when rain water permeates downwards, harmful substances such as heavy metals in the garbage can be carried to permeate downwards, so that the pollution of underground water is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a landfill sludge impoundment structure with good prevention of seepage function for solve the landfill in-process sewage mud and probably permeate the problem that gets into groundwater and cause the pollution.

In order to solve the technical problem, the utility model discloses a following scheme: the utility model provides a landfill sludge impoundment structure with good prevention of seepage function, includes the landfill, the landfill is fluted type structure, is equipped with the water conservancy diversion layer of vertical cavity water conservancy diversion well and slope in the landfill, the water conservancy diversion layer respectively with water conservancy diversion well and landfill fixed connection, the one end that the water conservancy diversion layer is close to the water conservancy diversion well is less than the other end, the landfill is run through at the water conservancy diversion well top, the water conservancy diversion well side is equipped with a plurality of through-holes that are used for the blowdown, the water conservancy diversion well bottom is equipped with the permeable formation, the permeable formation bottom is equipped with the sludge impoundment, be equipped with the drain pipe in the sludge impoundment, the drain pipe is connected with the sludge pump. Through setting up water conservancy diversion well and water conservancy diversion layer, can be with landfill sewage water conservancy diversion to sludge impoundment centralized treatment, solved landfill sewage and probably infiltrated the problem that the underground leads to polluting groundwater downwards.

Furthermore, the flow guide layer has a plurality of layers, and a cavity for filling garbage is arranged between the two flow guide layers. The multilayer flow guide layer can reduce pollution and is convenient for the flow guide of sewage and sludge.

Furthermore, a plurality of bulges are arranged above the flow guide layer. Set up the arch and can avoid the rubbish and the loess of landfill excessively to extrude the water conservancy diversion well.

Furthermore, the diversion well is provided with a well cover, and at least one part of the well cover is made of transparent materials. The sewage and sludge conditions can be observed at intervals or after raining through the well cover, and drainage and sludge discharge are convenient and timely.

Furthermore, waterproof materials are laid outside the landfill and the sludge tank.

Furthermore, the top of the landfill is of a convex structure, and flood control ditches for guiding water are arranged around the landfill. The top of the landfill site is of a convex structure, flood control ditches are arranged around the landfill site, and the problem that rainwater seeps downwards too much due to the fact that rainwater stays in the landfill site when raining can be avoided.

Furthermore, a sewage pit is arranged at the water outlet pipe of the sludge pump.

Furthermore, a solar power generation panel for supplying power to the sludge pump is arranged on the landfill. The landfill site is generally built at a place far away from a residential area, and the solar power generation panel can be arranged to supply power without additionally laying a circuit.

The utility model discloses beneficial effect who has:

1. the diversion well and the sludge tank are arranged in the landfill, so that sewage in the landfill can be centralized and guided into the sludge tank and pumped out by the sludge pump, and the sewage generated by rainwater mixed garbage can not permeate underground water.

2. The sewage and sludge condition in the diversion well can be observed through the well cover of the diversion well, and drainage and sludge discharge can be carried out according to actual conditions.

3. The top of the landfill is of a convex structure, flood prevention ditches are arranged around the landfill, and the problem that excessive rainwater permeates into the landfill can be solved when heavy rain falls.

4. The solar power generation board is arranged, so that electric energy can be provided for the sludge pump, and a circuit does not need to be additionally laid for supplying power.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Reference numerals:

1-flood prevention ditch, 2-landfill, 3-cavity, 4-bulge, 5-diversion layer, 6-seepage layer, 7-sludge tank, 8-drainage pipe, 9-diversion well, 10-through hole, 11-loess, 12-sump, 13-water outlet pipe, 14-sludge pump, 15-solar power generation board, 16-well lid, 17-support.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and the terms are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise explicitly specified or limited, the terms "disposed," "opened," "mounted," "connected," and "connected" are to be construed broadly, e.g., as either a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention is explained in detail below with reference to the figures and with reference to exemplary embodiments:

referring to fig. 1, a landfill sludge pond structure with good anti-seepage function comprises a landfill 2, wherein the landfill 2 is of a groove-shaped structure, a vertical hollow diversion well 9 and an inclined diversion layer 5 are arranged in the landfill 2, the diversion layer 5 is respectively fixedly connected with the diversion well 9 and the landfill 2, one end, close to the diversion well 9, of the diversion layer 5 is lower than the other end, the diversion layer 5 can be a broken stone diversion layer or a composite drainage net, the top of the diversion well 9 penetrates through the landfill 2, a plurality of through holes 8 for sewage discharge are arranged on the side face of the diversion well 9, a permeable layer 6 is arranged at the bottom of the diversion well 9, the permeable layer 6 is a permeable material of a garbage landfill, the permeable layer 6 can avoid the problem that the sludge pump 14 is possibly blocked due to the fact that the specific gravity of the sludge in the sludge pond 7 is too large, a sludge pond 7 is arranged at the bottom of the permeable layer 6, a drain pipe 8 is arranged in the sludge pond 7, and the drain pipe 8 is connected with the sludge pump 14, a sewage pit 12 is arranged at the water outlet pipe 13 of the sludge pump 14. Through setting up water conservancy diversion well 9 and water conservancy diversion layer 5, can be with landfill 2 sewage water conservancy diversion to sludge impoundment 7 centralized processing, solved landfill 2 sewage and probably infiltrated the problem that the underground leads to polluting groundwater downwards. Waterproof materials are laid outside the landfill 2 and the sludge tank 7, the waterproof materials are common waterproof materials and can be asphalt, cement and the like, and loess 11 is arranged outside the landfill 2 and the sludge tank 7.

Referring to fig. 1, in the second embodiment, the flow guiding layer 5 has a plurality of layers, and a cavity 3 for landfill is formed between two flow guiding layers 5. The multilayer flow guide layer 5 can reduce pollution and simultaneously facilitate the flow guide of sewage and sludge. A plurality of bulges 4 are arranged above the flow guide layer 5. The arrangement of the bulge 4 can avoid the excessive extrusion of the diversion well 9 by the landfill garbage and loess 11. The diversion well 9 is provided with a well cover 16, and at least one part of the well cover 16 is made of transparent material. The sewage and sludge conditions can be observed through the well cover 16 after raining or at intervals, and drainage and sludge discharge are convenient and timely.

As shown in fig. 1, in the third embodiment, the top of the landfill 2 is a convex structure, loess 11 covered on the top of the landfill 2 is high in the middle and low in the periphery, and a flood protection ditch 1 for guiding water is arranged around the landfill 2. The top of the landfill site 2 is of a convex structure, flood control ditches 1 are arranged around the landfill site, and the problem that rainwater seeps downwards too much due to the fact that rainwater stays in the landfill site 2 when raining can be avoided. The landfill 2 is provided with a solar power generation board 15 for supplying power to the sludge pump 14, and the solar power generation board 15 is installed on the landfill 2 through a support 17. The landfill site 2 is generally built at a place far away from the residential area, and the solar power generation panel 15 is arranged to supply power without additional circuit laying.

The working principle of the utility model is as follows:

when the utility model is used, after a landfill pit 2 and a sludge pool 7 are built, a diversion well 9 is arranged in the landfill pit 2, then garbage, loess 11 and an inclined diversion layer 5 are covered in sequence, a bulge 4 is arranged on the diversion layer 5, the bulge 4 can prevent the garbage and the loess from excessively extruding the diversion well 9 to cause overlarge stress of the diversion well 9, the loess 11 is covered on the uppermost layer of garbage after the garbage is filled, the middle part is high and the periphery is low when the loess 11 is covered, so that rainwater in the rainy period can flow to a flood protection ditch 1 around the landfill site 2, after the filling is finished, the sewage sludge condition which downwardly permeates into the sludge pool 7 can be seen through a well cover 16 of the diversion well 9 at intervals or after the rain, a sludge pump 14 is opened when the sludge needs to be drained and discharged into a sewage pit 12, the sludge pump 14 supplies power through a solar power generation plate 15, no extra circuit is needed for supplying power.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.

Claims (8)

1. The utility model provides a landfill sludge impoundment structure with good prevention of seepage function, including landfill (2), a serial communication port, landfill (2) are fluted type structure, be equipped with vertical cavity water conservancy diversion well (9) and water conservancy diversion layer (5) of slope in the landfill (2), water conservancy diversion layer (5) respectively with water conservancy diversion well (9) and landfill (2) fixed connection, one end that water conservancy diversion layer (5) are close to water conservancy diversion well (9) is less than the other end, landfill (2) are run through at water conservancy diversion well (9) top, water conservancy diversion well (9) side is equipped with a plurality of through-holes (10) that are used for the blowdown, water conservancy diversion well (9) bottom is equipped with permeable formation (6), permeable formation (6) bottom is equipped with sludge impoundment (7), be equipped with drain pipe (8) in sludge impoundment (7), drain pipe (8) are connected with sludge pump (14).

2. The landfill sludge pond structure with good seepage-proofing function of claim 1, wherein the diversion layer (5) has multiple layers, and a cavity (3) for landfill garbage is arranged between the two diversion layers (5).

3. The landfill sludge pond structure with the good seepage-proofing function according to claim 1, wherein a plurality of bulges (4) are arranged above the flow guide layer (5).

4. The landfill sludge pond structure with the good seepage-proofing function according to claim 1, wherein the diversion well (9) is provided with a well cover (16), and at least one part of the material of the well cover (16) is transparent.

5. The landfill sludge pond structure with the good seepage-proofing function according to claim 1, wherein waterproof materials are paved on the outer sides of the landfill (2) and the sludge pond (7).

6. The landfill sludge pond structure with the good seepage-proofing function according to claim 1, wherein the top of the landfill (2) is of a convex structure, and a flood control ditch (1) for guiding water is arranged around the landfill (2).

7. The landfill sludge pond structure with the good seepage-proofing function according to claim 1, wherein a sewage pit (12) is arranged at a water outlet pipe (13) of the sludge pump (14).

8. The landfill sludge pond structure with the good seepage-proofing function according to claim 1, wherein a solar power generation plate (15) for supplying power to a sludge pump (14) is arranged on the landfill (2).

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