上下供热的步进架式加热炉,是美国“表面燃烧”公司首创的,它设计的第1批炉子,于1967年4月在美国格三尼特市热轧带钢厂及日本新日铁广烟厂开始运行.同年日本“中外炉”公司设计的炉子在名古屋热轧带钢厂投入了生产,从那以后,步进梁武炉很快得到了推广,并成为70年代日本和欧洲新建带钢轧机和原板轧机的主要炉型.70年代,我国从日本引进的武钢1700热轧带钢厂设置3座步进梁式炉于1978年投产,80年代宝钢2050热轧带钢厂从“斯太 Stepping rack heating up and down heating is the United States, “Surface Burning” company’s first, it designed the first batch of stoves, in April 1967 in the United States Georgia three Hottentot Hot Strip mill and Japan’s New Day In the same year, the stoves designed by Japan’s Chugai Furnace Co., Ltd. were put into production at the Nagoya Hot Strip Mill. Since then, the step-beam furnace has been quickly promoted and became the site of new construction in Japan and Europe in the 1970s Steel mill and the original plate mill in the 1970s, the country imported from Japan WISCO 1700 hot-rolled strip steel plant set up three walking beam furnace put into operation in 1978, Baosteel 2050 hot-rolled strip steel plant from the 80’s "