Method of lining a rotary cement kiln

Details Method of lining a rotary cement kiln Method of lining a rotary cement kiln

C - Chemistry, Metallurgy

04

B

25/102, 261/31

C04B 35/12 (2006.01) C04B 35/043 (2006.01) C04B 35/047 (2006.01) F27B 7/28 (2006.01) F27D 1/16 (2006.01)

Patent

CA 1128554

ABSTRACT A rotary cement kiln is lined by placing a cast- able refractory against a clean kiln shell to which anchors have been attached, the refractory castable con- taining 1 to 10% long chain glassy polyphosphate binder, up to 40% chrome ore, the balance being periclase at least the -100 mesh (less than 0.15 mm) portion of which con- tains from 2 to 15% CaO and has a lime/silica ratio of at least 2.1. A preferred refractory catable composition contains about 70% MgO over all and uses a magnesite with a lime/silica ratio of 2.7 or greater.

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