Dilution process of the coal gas in the laneway with pressured-injection ventilation and extracted methods had been analyzed comparatively.

 
  • 结果发现:压入式通风方式在掘进面附近引起较大的漩涡流动,不利于瓦斯气体的稀释,而抽吸式通风方式则无明显涡流存在。
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