Thermalpas field deployment (Taiwan) · Heavy Industry
Cement kiln: shell temperature profiling around the refractory zones
Shell temperature profiling around a rotary kiln, matched to its refractory zones.
- 360°Temperature profile around the shell
The problem
A cement kiln is a steel cylinder 80 meters long and four meters wide, slowly turning while burning fuel inside. The refractory brick lining wears unevenly. When a brick spalls, the steel shell underneath is exposed to direct flame and starts to deform. By the time the operator sees a glowing red patch on the outside, the kiln body is bent and the repair bill exceeds $50 million.
What was installed
Self-powered Thermalpas sensors were placed around the kiln housing at intervals matched to the refractory zones, each reporting to a fixed gateway. The temperature profile around the circumference is visualized, so operators can watch how heat is distributed around the shell.
The outcome
Operators see the temperature profile around the kiln's circumference, so a developing hot zone appears as a trend on the dashboard rather than as a red patch on the shell.
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