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Ecological system for tailing pond closing and pollution prevention and control, and control method thereof

An ecosystem and pollution prevention and control technology, applied in the direction of contaminated groundwater/leachate treatment, water pollutants, chemical instruments and methods, etc., can solve the problem of failure to clean up residual heavy metals in tailings dumps, insufficient comprehensive utilization of resources, etc. problems, to achieve the effect of restoring agricultural production capacity, increasing land use area, and low cost

Pending Publication Date: 2020-05-29
GUANGXI BOSSCO ENVIRONMENTAL PROTECTION TECH
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Problems solved by technology

[0004] The purpose of the present invention is to provide an ecological system and control method for tailings pond closure and pollution prevention and control, so as to solve the technical problems of failure to clean residual heavy metals in existing tailings dumps and insufficient comprehensive utilization of resources

Method used

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  • Ecological system for tailing pond closing and pollution prevention and control, and control method thereof

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Embodiment 1

[0033] Such as figure 1As shown, the present invention is an ecological system for tailings pond closure and pollution prevention and control. The present invention takes a mountain-side tailings pond built on the foot of the hill as an engineering example. The main pollutants in the tailings are heavy metal species and content are shown in Table 1.

[0034] Such as figure 1 As shown, the ecological system (component 1-33) of tailings pond closure and pollution prevention and control of the example of the present invention mainly includes reclamation area (component 1-9, 33), primary purification zone (component 10-16), two The level purification area (components 17-23) and the ecological utilization area (components 24-29, 32) are constructed in the form of a drop, and are connected by pipelines to form a closed loop. The specific construction of each district is as follows:

[0035] 1. The reclamation area (components 1-9, 33), including the original mountain body 1, the ...

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Abstract

The invention discloses an ecological system for tailing pond closing and pollution prevention and control, and a control method thereof, and belongs to the technical field of mine ecological restoration. The ecological system comprises a reclamation area, a first-stage purification area, a second-stage purification area and an ecological utilization area, and the areas are constructed in a fall manner and are connected through pipelines to form a closed loop. The reclamation area is formed by covering 30 cm clean soil on tailing slag, crops are planted, tailing pond regreening is achieved, and the agricultural production capacity of the area not suitable for cultivation is restored. Rainfall and irrigation water can be recycled to leach tailings, residual heavy metal in the tailings is prevented from migrating to soil and underground water of a mining area, secondary pollution is avoided, and ecological restoration is achieved; after the system operates, the pressure of rainfall on the side wall of a tailing pond can be relieved, and secondary disasters such as dam break and collapse are reduced or avoided; the ecological system is low in cost and energy consumption, convenient tooperate and maintain and suitable for popularization and application.

Description

technical field [0001] The invention relates to the technical field of mine ecological restoration, in particular to an ecosystem for tailings pond closure and pollution prevention and control and a control method thereof. Background technique [0002] The tailings pond is formed by building a dam to intercept the valley mouth or enclosure, and is used to store metal or non-metallic mine ores and discharge tailings or other industrial waste after sorting. As the "waste" discharged by mining enterprises during the beneficiation process, tailings still contain some heavy metals, which can spread to surrounding areas and underground with rainfall and groundwater leaching, causing serious damage to the original ecological environment of mining areas and surrounding soil and groundwater. Great harm. In addition, the tailings pond is a dangerous source of man-made debris flow with high potential energy. When encountering heavy rains and mountain torrents, it is very easy to cause...

Claims

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Application Information

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IPC IPC(8): C02F9/04E02D31/00A01G22/00A01G22/20A01G23/00A01K63/00A01G25/02C02F103/10C02F103/06C02F101/22C02F101/20
CPCA01G22/00A01G22/20A01G23/00A01G25/02A01K63/003C02F1/001C02F1/281C02F1/283C02F2101/20C02F2101/22C02F2103/06C02F2103/10E02D31/00
Inventor 杨崎峰周永信和利钊杨国航张海欧李琼郑子健孟帅马浩廖谨宣戴书剑卢颖赵盈丽
Owner GUANGXI BOSSCO ENVIRONMENTAL PROTECTION TECH
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