Effect of Compressed Gas on Deep Mine Long‐Distance Backfill Pipe Flushing: From Laboratory to Industrial Tests
Longjian Bai,
Hongjiang Wang,
Aixiang Wu
et al.
Abstract:The clean filling pipe can ensure sufficient overflow section, reduce paste transport resistance, and avoid slurry deposition. The introduction of compressed gas into the pipe flushing can improve the flushing effect and efficiency of the pipe and reduce water consumption. However, the dominant factors influencing water consumption water consumption are not well understood. The purpose of this study is to determine the effect of flow velocity, backfill gradient (4–7), gas void fraction (0–1), and gas pressure … Show more
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