It points out that obsolete common axial local fan copying Soviet Union (international level) is excellent local ventilation device for mine in our country.
指出被淘汰的仿苏(国际水平)普通轴流式局扇是我国优良的矿用局部通风设备。
2
These tunnels have been equipped with the advanced jet and axial shaft ventilation systems, and alarm and monitoring systems. And also a new light source has been employed.
隧道内采用橡胶防水板防渗漏，设置先进的射流和轴流竖井通风系统，配有报警监控系统，采用新光源照明。
3
Axial flow fan is the main ventilation device presently. This paper introduces the application of axial flow fan, settles saving energy problem and air regulation problem.