A vertical roller mill mainly consists of crushing machine, bucket elevator, storage hopper, vibrating feeder, Screw Feeder, main unit, inverter classifier, cyclone collector, pulse deduster system, high pressure positive blower, air compressors and electrical control systems.
 
Screw conveyor is the main part of vertical roller mill.
Overview of vertical roller mill screw conveyor: Screw conveyor is the updated model of the GX type screw conveyor. The whole conveyor is reliable, durable, adaptable, easy to install. It is suitable for conveying the powder, granular, and block materials (temperature <200℃，such as coal powder, coal ash, argil, sand, cement, carbamide etc. The screw conveyor is not only used for the concrete batching plant, bituminous concrete batching, but also for the chemical, building, food, metallurgy and so on.
 
There are three types of screw conveyor for vertical roller mill: LS159, LS219 and LS250
The conveying capacity can be reach: 2-6 m³/h, 5-12 m³/h, 18-22 m³/h