Since 1970s, various kiln system with precalciner has been built-up in China along with development of precalcining technology, such as SF, NSF, RSP, MFC, SLC, ILC, KSV; DD, Pyroclon, and prepol etc. The scale varies from 700t/d to 7200t/d. Some of them are manufactured in China and others are introduced from abroad. Almost all kinds of precalciners and preheaters can been found in Chinese market. The rich exprience and great deal of technical data and documentation accumulated through long-term research and practice has established a good base for developing national precalciner of new generation and pushing cement industry to move forwards.
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