Coal mining collapse area cultivation water source reconstruction method applicable to complicated mountainous areas

A technology for subsidence areas and water sources, applied in water conservancy projects, waterway systems, artificial waterways, etc., to achieve the effect of strengthening water storage and water retention capabilities and solving irrigation water demand problems

Inactive Publication Date: 2012-10-03
CHINA UNIV OF MINING & TECH +1
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Problems solved by technology

[0003] In order to solve the problem of irrigation water shortage in complex mountainous areas, the present invention provides a method for rebuilding farming water sources in coal mining subsidence areas in complex mountainous areas. The farming water sources in coal mining subsidence areas The reconstruction method makes full use of local precipitation resources, and strengthens the water storage and water retention capacity of fixed water source facilities, solves the problem of irrigation water demand for local cultivated land, and brings great convenience to agricultural construction in complex mountainous areas

Method used

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  • Coal mining collapse area cultivation water source reconstruction method applicable to complicated mountainous areas
  • Coal mining collapse area cultivation water source reconstruction method applicable to complicated mountainous areas
  • Coal mining collapse area cultivation water source reconstruction method applicable to complicated mountainous areas

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Embodiment Construction

[0019] In the figure, the farming water source reconstruction method applicable to coal mining subsidence areas in complex mountainous areas includes water source engineering, drainage engineering and ancillary engineering.

[0020] (1) The water source project is mainly a reservoir project. The reservoir used is equipped with a trapezoidal pool with a narrow top and a wide bottom. The inner side of the pool wall is vertically perpendicular to the bottom of the pool 2-5, and the pool wall 2-5 3 The inner side is coated with a layer of waterproof mortar plastering 2-4, and the upper edge of the pool is provided with a mortar brick fence 2-1 and mortar brick gateposts 2-7 arranged at equal intervals, and the mortar brick fence 2-1 can effectively To prevent people and animals from falling into the pool, the mortar brick door post 2-7 can increase the stability of the mortar brick wall 2-1. The front and back of the reservoir are respectively provided with a water inlet and a ...

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Abstract

The invention relates to a coal mining collapse area cultivation water source reconstruction method applicable to complicated mountainous areas. The coal mining collapse area cultivation water source reconstruction method comprises water source engineering, water discharge engineering and auxiliary engineering. A water discharge channel is connected with an inlet of a desilting pool through a pipeline, an outlet of the desilting pool is communicated with a drain grating pool, an outlet of the drain grating pool is communicated with an inlet of a reservoir, decontaminated and desilted rain enters the reservoir, an outlet of the reservoir is communicated with an irrigation channel with low terrain through a water delivery pipeline, and finally, a water source is conveyed into farm land. According to the agricultural irrigation water source recovery method, the local rainfall resources are sufficiently utilized, in addition, the water storage and water preservation capability of water source facilities is enhanced and reinforced, the irrigation water requiring problem of local farm land is solved, and great convenience is brought for the agriculture construction in the complicated mountainous areas.

Description

technical field [0001] The invention relates to a farming water source reconstruction method, in particular to a farming water source reconstruction method suitable for coal mining subsidence areas in complex mountainous areas. Background technique [0002] In some coal mining mountainous areas with complex topography, the surface water mainly comes from natural precipitation. After the coal seam is mined, the original mechanical balance of the surface rock mass is destroyed, resulting in cracks and cracks in the rock formation. The original cracks are developed, and the groundwater connectivity is good. A large-scale groundwater falling funnel is formed underground, which makes the wells and springs dry up, the streams cut off, and the groundwater level in the boreholes drops, causing damage to groundwater resources. According to the field investigation, all the arable land in the coal mining subsidence area is dry land, and the original paddy fields are all used for dry fa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B1/00E03F1/00E04H7/18E02D27/38E02B5/02
Inventor 周春蓉郭广礼郑杰炳查剑锋谭显龙田宏莫建兵杨建国代述勇李航
Owner CHINA UNIV OF MINING & TECH
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