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you kuang shan chou chu shi pai zuo tong feng
Author(s): 
Pages: 10-14
Year: Issue:  5
Journal: Radiation Protection

Keyword:  铀矿山抽出式通风采空区压入式通风通风方式通风网路通风系统工作面留矿法地下开采;
Abstract: <正> 一、引言 大量的实验研究证明:大气压力对氡气析出有显著的影响。大气压力增加,可使析出到矿井空气中的氡气减少,反之亦然。基于这一理论,国外地下开采的铀矿山多采用压入式通风;国内五十年代和六十年代初期设计的铀矿山,亦约有三分之二是采用压入式通风。 然而,压入式通风需要在主要入风井巷设置风门、风桥、导风板等控制风流的构筑物,
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