In mines, tunnels, and quarries, fans and blowers are vital for ventilation and exhaust systems. High-pressure axial fans are commonly used to supply fresh air and remove exhaust gases, configured for either exhaust or discharge as needed.

Fans also facilitate material handling in processes like tunnel digging, drilling, and pneumatic conveying, aiding in the movement of extracted materials. Designed for durability, these fans feature welded flanges and corrosion-resistant materials, with proper balancing and dampers to minimize vibrations and noise.

Energy efficiency is key, often achieved through multi-impeller or series-configured fans to boost air pressure. Safety is critical in hazardous environments, necessitating explosion-proof or anti-spark designs. Overall, centrifugal and axial fans are essential for effective operation in the demanding conditions of tunneling and transportation.