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《Cement》 2011-01
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MgO-MgAl_2O_4-ZrO_2-La_2O_3 composite refractory for cement kiln

YUAN Lin,CHEN Xue-feng,CHEN Song-lin First Ruitai Materials Technology Co.Ltd.,China Building Materials Academy,Beijing 100024,China  
In order to find an additive for modifying the property of magnesia-alumina spinel refractory,MgO-MgAl2O4-ZrO2La2O3 composite refractory was invented based on the reaction mechanism of spinel refractory with cement clinker.This additive could not only stabilize the phase transition of C2S in kiln brick coating,but also keep high temperature property of magnesia-alumina spinel refractories.This material has excellent refractoriness property,thermal shock resistance,coating adherence,corrosion resistance and higher mechanical strength.It is an excellent material to replace magnesia-chrome brick for sintering zone in cement kiln.
【Fund】: 国家高新技术研究发展计划(863计划)项目(2002AA335070)
【CateGory Index】: TQ172.622.9
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