2. Product Description:

A. Material of wear resistant parts:

1. Rotary airlock vane feeder valve front head's flexible blades: HARDOX 500 wear plate;

2. Rotary airlock vane feeder valve's main body: HH-700B bimetallic  overlay wear resistant  plate, the mid lower portion is produced with 16Mn steel sheet (after heat treatment);

3. End plate: 16Mn steel plate (after heat treatment);

4. Liner and End air sealing ring:  HH-700B  bimetallic  overlay wear resistant  plate;

5. Inlet and outlet are produced by replaceable lining plate, which produced also with HH-700B wear resistant plate.

B. Material of other parts:

1. Rotary airlock vane feeder valve housing: Q345B steel plate;

2. Rotary airlock vane feeder valve spindle: 40Cr Quenched and tempered round bar;

3. Heat and wear resistant sheath of the spindle (rotor part): 16Mn steel sheet;

4. Bearing seat: ZG35 steel.
 

The Challenges of effectively feeding large quantities of limestone and other materials into raw  vertical mill in a cement plant are many and difficult. The feed stock can include sizable rocks that demand a robust design; materials may be high in moisture, depending on the storage conditions; and any feeder downtime at all reduces kiln and plant efficiency. Fehong Rotary airlock vane feeder valves are designed to more than measure up to task of feeding your vertical roller mill or other raw material grinding system.

Technical advantage: