Roots Blower is a device named Roots Blower after the American Roots brothers who invented it. The fan has two rotors that rotate opposite each other, and the gap between the fan and the housing is very small, which can forcefully extrude air and force air supply. 

This equipment is simple and reliable in structure, and at low pressure than air compressor efficiency is higher, is widely used in a variety of industries. It is used in water treatment, pneumatic conveying, aquaculture, electricity, cement, chemical industry, gas and other industries, such as blowing-aerated backwashing, conveying particles and powders, aerated fish pond, combustion booster pressure, desulfurization and oxidation, mud mixing, etc.