A corrosion perforation on water injection pipeline of the coking furnace convection room caused coking unit short time shut down,and brought a serious influence on long term operation.

• 中国石化福建炼油化工有限公司焦化炉对流室上部注水管腐蚀后穿孔泄漏,造成装置临时停车,严重影响装置的长周期运行。