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Safe ecological system for treating heavy metal solid waste

A solid waste and ecosystem technology, applied in the field of solid waste treatment, can solve problems such as land occupation, easily spread diseases, and farmland water pollution.

Inactive Publication Date: 2020-11-10
湖南凯迪工程科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

A large amount of various solid waste not only occupies a large amount of land, but also pollutes farmland, air and water, and is easy to spread diseases. Therefore, it is necessary to properly dispose of solid waste

Method used

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  • Safe ecological system for treating heavy metal solid waste

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Embodiment Construction

[0026] Please refer to the attached figure 1 , with figure 1 It shows the structural diagram of the safe ecological system for processing heavy metal solid waste provided by the embodiment of the present application. attached by figure 1 It can be seen that the safe ecological system for the treatment of heavy metal solid waste provided by the embodiment of the present application includes the reservoir bottom base layer 1, groundwater diversion layer 2, compacted clay layer 3, leachate diversion layer 4, The waste pile layer 5, the middle covering soil layer 6 of the closure, the exhaust gas layer 7 of the closure, the compacted clay layer 8 of the closure, the drainage layer 9 of the closure, the nutrient soil layer 10 and the ecological greening layer 11, among which, the reservoir bottom foundation A first geomembrane 12 is arranged between the layer 1 and the groundwater diversion layer 2; a second geomembrane 13 is arranged between the groundwater diversion layer 2 and...

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Abstract

The invention provides a safe ecological system for treating heavy metal solid waste. The safe ecological system comprises a reservoir bottom foundation layer, an underground water diversion layer, acompacted clay layer, a leachate diversion layer, a waste pile body layer, a closure middle earthing layer, a closure exhaust layer, a closure compacted clay layer, a closure drainage layer, a nutrient soil layer and an ecological greening layer. A first geomembrane is arranged between the reservoir bottom foundation layer and the underground water diversion layer; a second geomembrane is arrangedbetween the underground water diversion layer and the compacted clay layer; a third geomembrane and a fourth geomembrane are arranged between the compacted clay layer and the leachate diversion layer; and a fifth geomembrane is arranged between the leachate diversion layer and the waste pile body layer. The geomembranes in the system can achieve the effects of protection, blocking and isolation,and the content of heavy metal in the nutrient soil layer is greatly reduced. The ecological greening layer adopts multi-element integrated matching of trees, shrubs and grass to realize ecological restoration. The safe ecological system has the advantages of high anti-seepage standard, low secondary pollution risk and high environmental safety.

Description

technical field [0001] The invention relates to the technical field of solid waste treatment, in particular to a safe ecological system for treating heavy metal solid waste. Background technique [0002] With the development of agriculture, science and technology and the continuous improvement of people's living standards, the output of domestic garbage and industrial solid waste is showing a rapid growth trend. A large amount of various solid wastes not only occupy a large amount of land, pollute farmland, air and water, but also easily spread diseases. Therefore, solid wastes need to be properly disposed of. [0003] At present, the treatment methods of solid waste mainly include thermal treatment technology, biological treatment technology, solid treatment technology and final treatment technology. Among them, safe landfill in the final treatment technology is a solid waste treatment method widely used in China. Heavy metals are more harmful to the human body. For exampl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B1/00B09B3/00B09C1/10
CPCB09B1/004B09C1/105B09B3/20
Inventor 方迎春李红平李海平刘其军李光盈杨登
Owner 湖南凯迪工程科技有限公司
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