The radiation chamber of furnace in vacuum distillation unit in Fujian Refining& Chemical Co., Ltd was installed with complete ceramic fiber refractory lining in April, 1997. Some of lining at top of chamber spalled after 6 years'operation. 福建炼油化工有限公司减压炉辐射室1997年4月喷涂全陶纤炉衬,运行6年后炉顶内衬发生局部脱落。