Harper Rotary Calciner,

Used- Harper Rotary Calciner, Model: GU-6D60-RTA-24, Serial number: AT044, features a 6" diameter tube x 10' long. Rated Max Operating Temp: 2,400 F, Rated Max RPM: 10. Tube material reportedly HT-Alloy, but will confirm. It is indirect gas fired, includes complete gas train and fresh air blower. Equipped with 3 burners, 1/2 HP Lesson gear reduced DC tube drive, chain and sprocket driven, and 1.5 HP fresh air blower for gas train manufactured by Eclipse Turbo Blower, built in 1995. The feed end is equipped with Acrison variable speed auger feeder, Acrison Model: 105-D, 2" diameter auger tube, 1" auger. Both ends have enclosed shrouds and flex bellows. The previous user had an air purge system, still in place (see photos). The feed end is adjustable tilt (mechanically raise and lower). One spare tube is included. No control panel.