IPIQ

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F23

COMBUSTION APPARATUS; COMBUSTION PROCESSES

F23H

GRATES; CLEANING OR RAKING GRATES

1/00

Grates with solid bars

F23H1/02

having provision for air supply or air preheating, e.g. air-supply or blast fittings which form a part of the grate structure or serve as supports