从1967年第一座步进梁式加热炉投产以来,至今已超过25年,梁底结合的组合式步进炉至迟在1982年已经出现,因而步进炉的应用领域已遍及各类轧钢厂.据资料介绍,到1992年底世界上大型步进粱式加热炉已接近300座.我国步进式炉推广得比较快,其中大部分是步进底式炉,产量超过百吨的步 Since the first walking beam furnace was put into operation in 1967, more than 25 years have passed since the combination of beam bottom and step furnace has appeared in 1982 at the latest, so the application of walking furnace has been applied to all kinds of rolling According to the information, by the end of 1992, the world’s large walking beam furnace has been close to 300. China’s step-by-step furnace to promote faster, most of them step-by-step furnace, the output of more than one hundred tons of steps