Vertical shaft stirrer - with aerofoil shaped variable angle of attack peripheral hollow blades

摘要

The blades are mounted in pairs at opposite ends of parts of hollow spokes from a double walled motor driven shaft and mounted via stub axles in rotary joints at the ends of those arms. Each pair is on a different PCD and the temp. of the mass being stirred is regulated by passing liquid through the blades and the channels formed by the shaft and arms.