The primary coal crushers may be of different types such as: (1) coal jaw, (2) coal hammer, and (3) ring granulator. Secondary coal crusher: Used when the coal coming from the supplier is large enough to be handled by a single crusher. The primary crusher converts the feed size to one that is acceptable to the secondary crusher.
Apron Feeders excel at handling material that is beyond the scope of other feeders. Apron Feeders are generally used as a primary or bin feeder application designed for varying applications, from lightduty to severeduty, from low tonnage to high tonnage of material.