This paper discusses how to improve large taper lining, the steel-fibre liningis improved to be tortoise-shell net structure, to avoid the lining drop and remove a hidden danger.

• 摘要阐述了将沉降器大型锥体衬里由钢纤维单层衬里改造为龟甲网加耐火浇注料结构，避免了衬里脱落，消除了安全生产隐患。