The Establish of Ventilation System and its Application Effect in Shicheng Mining,Shandong Province

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 medium-small 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.