Bottom Ash Hoppers & Vertical Lifting Doors

National custom designed bottom ash hoppers with vertical lifting doors.

Photograph above shows National lifting doors installed in a bottom ash hopper.

Drawing at right shows typical cross section view. Note refractory lining.

Clinker grinder reduces (crushes) bottom ash material to a size sutiable for pneumatic ash conveying. Note offset intake tee for introduction of crushed bottom ash to the pneumatic ash conveying pipeline.