From 1st stage to 6th stage-Cyclone/Riser Pipe/Down pipe diameter (m)=6.6/4.457/0.63, 6.6/4.557/0.900, 6.9/4.757/0.900, 6.9/4.757/1.000, 6.9/4.757/1.000 & 6.9/4.757/1.000. Calciner dia. 8.2 x 15.0 m. Dividing gate dia. 1.000 m. The Kiln Feeding is by a Bucket elevator and air slides. Smoke Chamber (Kiln Hood)=3.1 x 3.1m, Hot Air Duct=2.650 m dia