Metso 6.5' Direct-Fired Rotary Calciner. 92'OAL x 6.5' ID Heating Tube with Zircon-based refractory lining. 2400F Carbon Steel Shell. 40' ported zone for injection of combustion air into petroleum coke feed. 30HP motor @ 2.32RPM max 480v/60Hz/3Ph with speed reducer. Emergency 5HP Auxiliary drive with speed reducer. Burner: Natural Gas fired system rated for 60MM Btu/hr when firing 60,000 SCFH of 1000 BTU/SCF Natural Gas with 10% excess air (9000 CFM) and a fuel turndown ratio of 10 to 1. Mounted on structural steel base. Other equipment includes Feed Airlock, Kiln discharge hood, motors, blowers, fans and controls. Built 2012.