Technical Solutions to Mining Ventilation in the Airless end with Pneumatic Devices without Moving Parts

摘要

In the mine, during mining of the useful minerals, the mining works can be found both in ventilated mine general depression, and with partial ventilation installations as well. The categories of partial ventilation installations are electric or pneumatic and pneumatic devices without moving parts are a component of them. Their use is simple, easy and easy to apply. In the case of coal mines, this problem is more difficult due mainly methane (CH_4) gas emanations.