Explosion-proof ventilation fans for coal mine

The coal mine explosion type pair -axis circulation fan is a special type fan for coal mines under the underdue of the coal mines. Its design and manufacturing meet the safety requirements of coal mines and can operate safely in the explosive gas environment under the coal mine. The explosion -barrier type uses special structures and materials to prevent sparks from explosion, which has good explosion -proof performance. At the same time, it is also equipped with explosion -proof motors and explosion -proof electrical equipment to ensure the safety performance of the entire fan system. The working principle of the explosion -barriers to the axis circulation fan is to generate airflow by rotating the blades, and discharge the harmful gas under the well out of the well to maintain the freshness and safety of the air in the mine. It is usually installed in the main ventilated well entrance or support lane of the mine, and the fresh air is transported to the underground work face t…