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Coal gasifier slag resistance of high chrome refractories in different atmospheres
Author(s): 
Pages: 264-267
Year: Issue:  4
Journal: Refractories

Abstract: 采用静态坩埚法,分别在空气、氩气和埋炭3种气氛中对高铬材料进行了抗煤渣试验,采用直接观察、SEM观察、EDS分析等手段,对比分析了煤渣的侵蚀深度和渗透深度.结果表明:1)试验气氛主要影响煤熔渣对高铬砖的侵蚀程度,而对煤熔渣在高铬砖中的渗透程度影响较小;2)在空气气氛中,煤熔渣对高铬砖的侵蚀和渗透程度均比在氩气和埋炭气氛中的小;3)在氩气和埋炭气氛中,溶解在煤熔渣中的Cr2O3被还原成单质Cr并从煤...
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