Abstract:

According to the actual situation of Shicheng Mining in Jinzhou Mining Group,take pulse patio group as air shaft,establish mechanical ventilation system.In addition,we describe the problems and solutions of mediumsmall sized metal mines which are long-term use of natural ventilation in the ventilation process,in order to obtain good ventilation,and create a comfortable and efficient working environment for mine workers.

Key words: Pluse patio, Mechanical ventilation, Ventilation system, Shicheng mining, Shandong Province