【摘要】 分析了20 t酸性炉衬的材料粒度配比、硼酸、水分、作业班次、打结方式、烧结、冷启熔等工艺，了解其作用机理。指出酸性炉衬使用寿命需要关注的因素，并给出了提高20 t中频炉酸性炉衬使用寿命的具体要求和措施。更多还原

【Abstract】 The material size ratio, boric acid, moisture, working shift, knotting method, sintering, cold melting and other processes of 20 t acid lining were analyzed, and the mechanism was understood. The factors which need to be paid attention to in the service life of acid lining are pointed out, and the specific requirements and measures for improving the service life of acid lining of 20 t intermediate frequency furnace are given.更多还原