Abstract
The principle of high pressure water jet technology and its unique characteristics and advantages were introduced in this paper, specific applications of the high pressure water jet technology in coal mine production and security aspects were analyzed. It was widely used in coal mine tunneling, preventing and controlling ground pressure and gas outburst, the application of the dedusting fan, cutting the coal mine machine and cleaning and descaling downhole equipment. Finally, the feasibility and safety of the high pressure water jet technology in coal mine was summarized, and the article made prospect for its future application.
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