The Cement Screw Conveyor for short "Screw", it is the key equipment for all kinds of concrete mixing plant. The working principle is: the screw bladesinthe round steeltube was dirven by the reducer with the motor's power.So as tocarry the powderlike materials such as fly ash, cement, etc. ScrewConveyor made up of motor,reducer, outer tube, screw axis, bearing, gimbal(selectable), introduced flange(selectable). The equipment gain many excellence such as superior quality, compactness, low noise, leakproofness. It is famous in china and sells well all over the world. item Φ219 Φ273 Length(m) 3-8 8-9 5-8 8-9 Power(kw) 5.5 7.5 7.5 11 Capacity (t/h) 20 40