The whirlpool fan (whirlpool air pump) can be widely used for conveying materials and air. it can alsobe used for printing press adsorption, welding exhaust gas absorption, silk suction of loom, photoplatemaking, powder transportation, printing adsorption, industrial dust suction, vacuum dehydration,smoke blowing, car washing and drying, forced drying of printing machine, after washing and drying,gas and heavy oll injection and drying, blowing, drying, shaping, etc, The fan adopts a special motorwhich has the characteristics of compact structure, small volume, light weight, low noise and no waterand oil for air supply.