论文部分内容阅读
图1所示为常用的一种冲天炉前炉炉盖,这种炉盖不仅制造困难(一般采用热变形方法制造),而且在使用上也有不足之处。
Figure 1 shows a commonly used cupola furnace lid, which is not only difficult to manufacture the lid (usually made by thermal deformation method), but also in the use of inadequacies.