Mine ventilation fans provide a flow of air to underground mines. The air flow must be a sufficient volume to dilute and remove dust and gases from equipment, explosives, and the orebody itself. They also work to regulate the temperature.
Vane axial ventilation fans may have adjustable pitch blades. Accessories available include duct adapters, fan silencers, and vent ducting.
A blower is used to move gas and air and may be used in a variety of methods. Rotary blowers (positive displacement) and centrifugal blowers (constant pressure) are two of several types that are common available.