论文部分内容阅读
一、引言现今浇铸镇静钢,国内外已广泛应用绝热板代替耐火粘土砖内衬保温帽。钢锭切头率已从15~18%降低到8~12%工,可使钢锭成坯、成材率提高3~8%。1982年上半
I. INTRODUCTION Nowadays cast-killed steel has been widely used at home and abroad instead of refractory clay brick lined insulation cap. Steel ingot cutting rate has been reduced from 15 to 18% to 8 to 12% of work, the ingot into the blank, finished products increased by 3 to 8%. First half of 1982