When the speed of the rotary radial jet reaches 3~ 5 m/ s, the diffusing coefficient of airflow can be increased 2~ 4 times, and effective range can exceed 10 m. Therefore, the gas accumulation in upper corner can be eliminated effectively.

  • 当射流速度达3~5m/s时,可提高风流的扩散系数2~4倍,有效射程可达10m以上,有效地驱散了工作面上隅角的积聚瓦斯。

  • 互联网摘选 2025-01-20 12:33:39

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