Cement · Application
Kiln Drive
The rotary kiln is the heart of clinker production — a steel cylinder 3–8 m in diameter and 50–250 m long, refractory lined, inclined 2–5 degrees, turning at 1–4 rpm, with material sintering inside at around 1450 °C.
Why the drive is a hard specification
Very low speed, very high inertia, and a load that must never stop turning while the kiln is hot. A typical conversion replaces a 315 kW DC motor with an AC machine and drive — and the difficult part is not matching rated power but reproducing the torque behaviour at 1–4 rpm, including the ability to hold and inch the kiln during maintenance.
LEADGO Solutions
Recommended series
Background on why DC kiln drives are being replaced: read the analysis.
Have a specific kiln drive conversion in mind?
Talk directly to the LEADGO engineering team