Welding repairs for kilns

Published 23 January 2018

Despite forming an integral part of many process lines, the importance of maintaining the rotary kiln in prime operating condition is often overlooked or misunderstood. Poor maintenance can cause long-term issues, including kiln shell and tyre cracking, requiring specialist weld repairs. By Mark Whittaker and Bent Johannessen, Rotary Kiln Services Pty Ltd, Australia.

Figure 1: repairing a kiln shell

Even in poor condition, rotary kilns continue to rotate, barely getting more than a glance from maintenance personnel. When disaster strikes, however, plant production either completely stops or continues at a much higher cost.

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