Underground Air Cleaner / Air Cleaner

According to statistics, when the concentration of biogas reaches 5%, it will explode easily if it contacts fire source, pressure or high temperature. The Underground Air Cleaner can detect and purify air quality in the environment before workers enter the underground environment. A group of two UAVs will continue to protect their workers according to their moving speed. The drone will ensure that the quality of the air at the two ends of the workforce will not be affected by the air movement, thus ensuring the safety of the environment.