Combined landfill site closure system

A landfill and combined technology, applied in the direction of landfill technology, solid waste removal, etc., can solve the problems of landfill volume reduction, groundwater pollution, waste of resources, etc., to increase the amount of waste The effect of landfill volume, resource saving and height reduction

Inactive Publication Date: 2019-04-05
焦钰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on the above technical problems, the present invention provides a combined waste landfill closure system, which solves the problem that the existing waste landfill closure system uses a large number of earth and rock materials, which leads to poor anti-seepage and waste of landfill closure systems. The problem of reducing the amount of resources and landfill landfills, and also solves the problem of landfill leachate polluting groundwater

Method used

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  • Combined landfill site closure system
  • Combined landfill site closure system
  • Combined landfill site closure system

Examples

Experimental program
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Effect test

Embodiment 1

[0033] see Figure 1~4 , a combined landfill closure system, comprising a landfill body, the bottom and sides of the landfill body are provided with an anti-seepage layer 1, and a drainage pipeline 18 is laid in the anti-seepage layer 1, and the drainage pipe The road 18 is connected with the sewage treatment station 4; the inner cavity of the landfill body is filled with solid waste 3, and the top of the solid waste 3 is provided with a covering layer 2, which is successively composed of gravel layer-13, geomembrane-11 from bottom to top. , drainage net 9, vegetation layer 6;

[0034] In this example, before the waste is stored in the landfill, an anti-seepage layer 1 is constructed on the bottom and sides of the landfill body to prevent the leachate generated by the solid waste 3 from seeping into the ground after the landfill is closed and polluting groundwater sources. When the garbage is piled up on the landfill body, a compaction operation is performed every time a cert...

Embodiment 2

[0036] see Figure 1~4 , a combined landfill closure system, comprising a landfill body, the bottom and sides of the landfill body are provided with an anti-seepage layer 1, and a drainage pipeline 18 is laid in the anti-seepage layer 1, and the drainage pipe The road 18 is connected with the sewage treatment station 4; the inner cavity of the landfill body is filled with solid waste 3, and the top of the solid waste 3 is provided with a covering layer 2, which is successively composed of gravel layer-13, geomembrane-11 from bottom to top. , drainage net 9, vegetation layer 6;

[0037] In this example, the drainage pipeline 18 includes a water collection pipe 21 , and a plurality of water collection flower pipes 22 are distributed on both sides of the water collection pipe 21 in a fishbone shape. The water collection pipe 21 is connected to the sewage treatment station 4 . By setting the drainage pipeline 18, the leachate produced by the degradation of the solid waste 3 can b...

Embodiment 3

[0040] see Figure 1~4 , a combined landfill closure system, comprising a landfill body, the bottom and sides of the landfill body are provided with an anti-seepage layer 1, and a drainage pipeline 18 is laid in the anti-seepage layer 1, and the drainage pipe The road 18 is connected with the sewage treatment station 4; the inner cavity of the landfill body is filled with solid waste 3, and the top of the solid waste 3 is provided with a covering layer 2, which is successively composed of gravel layer-13, geomembrane-11 from bottom to top. , drainage net 9, vegetation layer 6;

[0041] In this example, the exhaust pipeline 14 includes an air collecting pipe 23, and the two sides of the air collecting pipe 23 are distributed in a fishbone shape with a plurality of air collecting flower tubes 24, and the upper surface of the air collecting pipe 23 is provided with an exhaust pipe 20, and the exhaust pipe 20 Extending through the cover layer 2 to the ground, the exhaust pipe 20 ...

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Abstract

The invention relates to the field of landfill, and discloses a combined landfill site closure system. The combined landfill site closure system comprises a landfill site body, wherein impermeable layers are arranged on the bottom part and the side surfaces of the landfill site body, drainage pipelines are arranged in the impermeable layers, and the drainage pipelines are connected with a sewage treatment station; an inner cavity of the landfill site body is filled with solid waste, a covering layer is arranged on the solid waste, and the covering layer is composed of a first crushed stone layer, a first geomembrane, a drainage net and a vegetation layer from bottom to top in sequence; and an exhaust pipeline is arranged in the first crushed stone layer, and an exhaust network is connectedwith a gas gathering station. Through the combined landfill site closure system, the problems that the impermeable performance of the landfill site closure system is poor, resources are wasted, and the landfill amount of the landfill site body is reduced due to the fact that a large amount of earth and stone is used in an existing landfill site closure system are solved, and the problem that leachate of the landfill site body pollutes groundwater is also solved.

Description

technical field [0001] The invention relates to the field of garbage landfills, in particular to a combined garbage landfill closure system. Background technique [0002] When the landfill site is operated to the design elevation or the waste dump site is no longer used for receiving garbage, it needs to be closed. The landfill closure project includes surface water runoff control, drainage, anti-seepage, leachate collection and treatment, landfill gas collection and treatment, pile stabilization, vegetation type selection and coverage, etc. The purpose of the closure is to reduce erosion and maximize drainage through the construction of the landfill surface, control the pollution of landfill leachate and landfill gas, and play a role in ecological restoration. [0003] Most of the existing landfill covering materials are earth and rocks, but earth and rocks have the following disadvantages as covering materials: soil covering materials have poor anti-seepage performance; c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B1/00
CPCB09B1/00Y02W30/30
Inventor 焦钰
Owner 焦钰
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