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长城钢厂四分厂825初轧开坯车间配有六组十二坑上部单侧烧咀均热炉,均热炉炉盖原设计为钢板框架吊挂砖炉盖,这种炉盖的缺点是:1.炉盖变形大。炉盖大梁一年内变形达
The Great Wall Steel Plant No. 4 Plant 825 First Rolling Billet Workshop There are six sets of twelve upper uniflow co-firing furnaces on the upper part of the pit. The soaking furnace lid was originally designed as a steel frame hanging brick lid. The disadvantage of such a lid Is: 1. Large deformation of the lid. Grating girder deformation within a year up to