摘要
温差式供风冲天炉是近年来出现的一种新型热风冲天炉，其热风温度可达３００℃以上，具有焦耗低、铁水温度高且稳定等特点。在提高炉胆寿命方面，采取了一系列措施，其中浮动式炉胆对提高炉胆寿命十分有效。
he cupola with differential thermo blast is a new type hot blast cupola appeared in recent years. The blast temperature can reache over than 300℃. It Dossesses the features of low incoke consumption and high in temperature of molten iron and steady. In respect of improving the service life of the cupola jacket,the author has taken serial measures. In these,the jackst of floating type has great effect for improving the service life of cupola jacket.
