Ecological environment restoration and treatment method

Abstract

An ecological environment restoration and treatment method comprises the following steps that an irrigation well is arranged in the center of a mine pit, and water storage tanks are arranged on the periphery of the outside of the irrigation well; slope protection trimming is conducted on side slopes around the mine pit, the bottom of the mine pit is leveled, and the terrain of the bottom face of the mine pit is gradually lowered from the periphery to the center; a gravel layer, a mortar layer, a water-resisting layer and a soil layer are sequentially arranged at the bottom of the pit from bottom to top; erecting an irrigation water supply pipeline system above the soil layer; ecological restoration is carried out on the mine pit of the mining area, grass planting and landslide prevention are carried out on the side slope of the mine pit, the bottom of the mine pit is flattened, a water-resisting layer is arranged, a soil layer suitable for planting grain crops is laid, and an irrigation water supply pipeline system is arranged above the soil layer, so that automatic spraying irrigation, pesticide spraying and fertilization are achieved, and mechanical cultivation operation and yield keeping after drought or waterlogging can be achieved; the stability of a mining area ecological system is improved, and the cultivated area is increased for the country.

Description

technical field [0001] The invention belongs to the technical field of ecological environment restoration and treatment, and in particular relates to a method for restoration and treatment of the ecological environment of mine pits formed after open-pit mining in mining areas. Background technique [0002] In recent years, as the country attaches great importance to environmental protection and ensures the red line of 1.8 billion mu of arable land, while mineral mining is being carried out all over the country, the pits generated after mining have also been repaired and treated to restore them to arable land. The current method of repairing mine pits is usually to directly backfill the mine pit with soil suitable for planting crops, and plant crops after the soil is flattened. Although this method is simple and easy to implement, it is easy to accumulate water in the mine pit during the flood season, submerging the plants, causing The crops are not harvested, and in the dry ...

AI Technical Summary

Problems solved by technology

The current method of repairing mine pits is usually to directly backfill the mine pit with soil suitable for planting crops, and plant crops after the soil is flattened. Although this method is simple and easy to implement, it is easy to accumulate water in the mine pit during the flood season, submerging the plants, causing The crops are not harvested, and it is necessary to use far water resources to irrigate the crops in dry weather, and the irrigation cost is high

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