Open-pit coal mine underground reservoir, reservoir water storage body and reservoir storage capacity calculation method

Abstract

The invention provides an open-pit coal mine underground reservoir water storage body. The water storage body is formed by stacking 2-6 rows of prefabricated pipe culverts from the reservoir bottom ofan underground reservoir to the top in a staggered mode, stacking gaps among the prefabricated pipe culverts are filled with gravels or rubble, a plurality of rows of culvert holes are formed in theprefabricated pipe culverts, and 4-8 culvert holes are formed in each row and uniformly formed in the same circumference of the corresponding prefabricated pipe culvert, a center hole is formed in every two culvert hole rows, water diversion among all the prefabricated pipe culverts is facilitated, and the outer walls of the prefabricated pipe culverts located at the peripheral boundary of the underground reservoir are not provided with culvert holes to ensure the effective water storage of the underground reservoir. The invention further provides the open-pit coal mine underground reservoir with the prefabricated pipe culverts as the water storage body and a storage capacity calculation method of the underground reservoir. The open-pit coal mine underground reservoir with the prefabricated pipe culverts as the water storage body is large in storage capacity and stable in structure, and the storage capacity is convenient and accurate to calculate.

Description

technical field [0001] The invention belongs to the cross technical field of mining engineering and water conservancy engineering, and in particular relates to an underground reservoir of an open-pit coal mine, a water storage body of the reservoir and a storage capacity calculation method of the reservoir. Background technique [0002] Open-pit coal mining faces environmental problems such as land desertification, groundwater loss, and water pollution. The construction of coal mine underground reservoirs provides an engineering and technical approach for the clean treatment, effective storage, and quality-based utilization of mine water. The underground reservoirs that have been built in China are mainly constructed for underground mines. The published patents relate to the construction of underground reservoirs in open-pit coal mines, which mainly use rubble or other porous media as water storage materials and are filled to form multi-layered storage spaces. Construction an...

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Problems solved by technology

The underground reservoirs that have been built in China are mainly constructed for underground mines. The published patents relate to the construction of underground reservoirs in open-pit coal mines, which mainly use rubble or other porous media as water storage materials and are filled to form multi-layered storage spaces. Construction and construction It is carried out simultaneously with the internal soil discharge operation, and the spatial horizon is characterized by distribution. This type of underground reservoir uses rubble or other porous media as the filter layer and water storage body. The construction is simple and the construction cost is low. However, this type of reservoir has small storage capacity and poor structure. Unstable Disadvantages

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