Development overview of paste backfill technology in China’s coal mines: a review
2021
Yang, Ke | Zhao, Xinyuan | Wei, Chen | Zhang, Jiqiang
After years of development, paste backfill technology has become an important part of China’s green safety mine construction and coal green mining technology system in the new era. In this paper, the research status of paste backfill technology in China’s coal mines is expounded from the aspects of paste backfill materials, strata control theory, and paste backfill technological process. Based on the statistics of the distribution number of coal mines adopting paste backfill technology, several typical paste backfill mines are listed, and the parameters of backfill panel, geological conditions, and paste backfill effect are analyzed, the general conditions of applying paste backfill technology in coal mines are summarized. Finally, some problems in the application of paste backfill technology are pointed out, and the future development of backfill mining is prospected from the research and development of backfill materials, deep underground backfill mining, intelligent paste backfill, and other aspects. This paper provides a reference for a comprehensive and in-depth understanding of the current development status of paste backfill technology in China.
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