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| Application of water disaster prevention technology in No.22301 Caving Face of Hanjiawa Mine |
| Wu Yanwei |
| Hanjiawa Coal Industry Co., Ltd., Shanxi Coking Coal International, Datong 037100, China |
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Abstract In order to further improve the recovery capacity and flood resistance in No.22301 Caving Face of Hanjiawa Mine, a series of safety technical measures for flood prevention and control were designed and formulated in combination with the existing conditions such as mine production links and ground facilities, and fully considering the management level and technical status of the mine. The mine field was designed to use transient electromagnetic detection method for advanced water exploration. A temporary water bin was set up in the working face, and small pumps were equipped for drainage. Besides, regular observation, collection of hydrogeological data and drawing of water accumulation map weree supplemented to prevent floods.
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