For some thirty years rotary kiln operators have been looking at the possibility of employing tonnage oxygen-high-purity oxygen produced from air separation plants-to improve kiln performance.

He added that: “Brick kiln workers usually live at the factories, in cramped conditions, sharing basic amenities such as water supplies and toilet facility.” According to the Department of Environment ...

The rotary kiln is a non-linear controlled object with multi-factors, slow time-variable, big time lag and close coupling, and it is difficult to establish its precise mathematical model. In this ...