1890's Lime Kiln, Oro Grande, California Greater Detail: Kiln Burning Cement Plant Operations Handbook, Pages 3945 Crewmen's Guide, Clinker Production, Rotary Kiln, Page 68 (98) General layout of a rotary kiln The rotary kiln consists of a tube made from steel plate, and lined with firebrick. The tube slopes slightly (1–4°) and slowly rotates.