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Research of ring swirling jet shield ventilation tunneling working face

机译:环形旋转喷射屏蔽通风隧穿工作面的研究

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The ring swirling jet shield ventilation is a new heading ventilation method. The paper discusses to control dust diffusing of tunneling working face by ventilation, prevent dust produced by tunneling from entering into area where tunneling motorman works, and reduce gas locally concentrating on working face in the meantime to improve ventilation efficiency. It analyzes the airflow field structure of ring swirling jet ventilation, explores designing swirling jet air curtain dust collector fan to erase the contradict between all the equipments and the limit space of working face. A significant advantage is provided to study new method and technique on tunneling ventilation.
机译:环形旋转喷射屏蔽通风是一种新的标题通风方法。本文讨论了通过通风控制隧道工作面的灰尘扩散,防止隧道进入隧道纺织工程的区域,减少了在与工作面上的气体局部集中的气体提高通风效率。它分析环旋风喷射通风的气流场结构,探索设计旋转喷射空气幕集尘器风扇,以擦除所有设备与工作面的极限空间之间的矛盾。提供了显着的优势以研究隧道通风的新方法和技术。

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