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高炉大修停炉时必须将积存在炉内的、无法从铁口放出的渣铁,通过割开炉底局部炉皮和冷却壁,烧通碳砖形成的残铁口放出.安全、顺利地出净残铁,对拆除砌体、缩短大修期,保护保留设备有着重大意义.我国五十年代修建的高炉均为粘土砖炉底.进入六十年代,不少高炉采用了高铝砖与碳砖综合风冷炉底.由于各高炉砌体质量、一代强化程度、生产条件不同,炉底侵蚀程度及残铁量相差悬殊.然而,正确判断炉底侵蚀程度,选择好残铁口位置出净残铁,却是高炉工作者共同关心的问题.
Blast furnace overhaul shutdown must be stored in the furnace, can not be released from the iron mouth iron slag, by cutting the bottom of the local furnace skin and cooling stave, burned through the carbon brick residual iron mouth release. Safe and smooth out Net residual iron, demolition of masonry, shorten the overhaul period, the preservation of equipment is of great significance.China’s fifties built blast furnace are clay brick bottom into the sixties, many blast furnace with high alumina brick and carbon brick Comprehensive air-cooled furnace bottom.Because the quality of blast furnace masonry, the generation of enhanced degree, different production conditions, the degree of bottom erosion and the amount of residual iron vary greatly.However, the correct judgment of the bottom of the furnace erosion, Iron, but it is a common concern of blast furnace workers.