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Large-scale disposal and utilization of coal gangue and other wastes and the method of controlling rocky desertification

A large-scale technology of coal gangue, which is applied in the field of large-scale disposal and utilization of coal gangue and other wastes and control of rocky desertification, can solve problems such as technical solutions and application examples of soil reclamation that have not yet been seen, and achieve the realization of reclamation and reclamation. The effect of agricultural planting, few artificial transformation links, and restoration of green spaces and green mountains

Active Publication Date: 2021-08-03
INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Regarding the control of these heavily rocky desertification surfaces, there are no large-scale and low-cost soil-making technology solutions and application examples.

Method used

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  • Large-scale disposal and utilization of coal gangue and other wastes and the method of controlling rocky desertification
  • Large-scale disposal and utilization of coal gangue and other wastes and the method of controlling rocky desertification
  • Large-scale disposal and utilization of coal gangue and other wastes and the method of controlling rocky desertification

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Embodiment Construction

[0052] Below in conjunction with accompanying drawing and embodiment describe in detail:

[0053] 1. Environmental characteristics:

[0054]A certain area is a coal base, and a large amount of coal gangue has been stored for a long time to be disposed of urgently. At the same time, there are many power plants in the area that produce fly ash and desulfurized gypsum; after inspection, the coal gangue, fly ash and desulfurized gypsum in this area do not contain heavy metals, etc. At the same time, there is a severe rocky desertification area in this area, and it is a mountainous terrain with a large number of exposed rocks on the surface. It is urgent to carry out rocky desertification control and agricultural production, and carry out the pilot of this technology.

[0055] 2. Use this method in combination with the environmental characteristics of the place as follows:

[0056] 1. Implementation steps ①

[0057] Assess the use of the rocky desertification surface and determin...

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Abstract

The invention discloses a large-scale disposal and utilization of waste such as coal gangue and a method for controlling rocky desertification, and relates to the technical fields of large-scale disposal and utilization of coal-based solid waste, rocky desertification control methods, and ecological restoration. The present invention combines the large-scale disposal of coal-based solid waste with rocky desertification control, and uses coal-based solid waste such as coal gangue, fly ash and desulfurized gypsum and / or local original crushed stones and rocks to make artificial waste. The graded mixed soil is covered on the surface of rocky desertification to achieve the purpose of large-scale disposal of these solid wastes and the control of rocky desertification. The present invention makes full use of the original state and natural conditions of materials; it can eliminate coal-based solid waste on a large scale, thoroughly control the problem of large-scale stacking of coal gangue and fly ash, and eliminate hidden dangers of safety and environmental pollution; Governance; it can be combined with other organic wastes to further drive the treatment of other wastes; it can form an ecological circular economy in a region.

Description

technical field [0001] The invention relates to the large-scale disposal and utilization of coal-based solid waste, the rocky desertification control method and the technical field of ecological restoration, in particular to a method for large-scale disposal and utilization of waste such as coal gangue and rocky desertification control. Background technique [0002] Coal gangue is a typical solid waste discharged during the coal mining process. my country is a large coal-producing country. Every year, a huge amount of coal gangue is piled up in mountains, which is difficult to digest. At present, billions of tons of coal gangue have been piled up. The scale is huge, and the amount of piles is still increasing at an alarming rate. The stockpiling of coal gangue not only occupies a large amount of land, it is easy to cause man-made disasters such as dust, soil erosion, mudslides, landslides and disintegration, but also seriously pollutes the environment and has a serious impac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01B79/02
CPCA01B79/02
Inventor 白冰
Owner INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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