整体式RH真空槽耐火材料使用中存在的问题与改进措施  

Problems of refractories for monolithic RH vacuum tank and improvement measures

作　　者：姜名贞 张文祥 王爱东[1] 武晓阳 柳晓辉 Jiang Mingzhen;Zhang Wenxiang;Wang Aidong;Wu Xiaoyang;Liu Xiaoh ui(Tangshan Iron and Steel Group Co.,Ltd.,Tangshan 063000,China)

机构地区：[1]唐山钢铁集团有限责任公司,唐山063000

出　　处：《耐火与石灰》2024年第3期39-41,共3页Refractories & Lime

摘　　要：结合RH真空槽耐火材料使用中存在的诸如真空槽砖体粉化、浸渍管浇注料脱落、环缝和合金料口凹坑等问题进行了分析,制定了浸渍管钢胆和耐材维护改进、环砖改进、真空槽烘烤和冷却优化等具体措施,使RH浸渍管平均使用寿命由64.2炉提高到105.4炉。The causes of the problems existing in the use of RH vacuum tank refractories at Tangsteel,such as pulverization of the bricks in vacuum tank,castable shedding from immersion tubes,ring seam and concave resistance of alloy material inlet,are analyzed.Concrete measures are worked out to solve the problems,such as maintenance and improvement of steel liners and refractories for the immersion tubes,ring bricks,preheating and cooling of the vacuum tank.The average se rvice life of RH immersion tubes in Ta ngsteel is pro longed from 64.2 heats to 105.4 heats.

关 键 词：浸渍管 环砖 环缝 粉化率 

分 类 号：TQ175.719[化学工程—硅酸盐工业]