The paper introduces the measures,such as decreasing recycle ratio,shortening coke-forming time,and rasing outlet temperature of oven to improve the severity of delay-coking unit.

• 介绍了镇海炼化延迟焦化装置为提高苛刻度所采取的降低循环比、缩短生焦时间、提高加热炉出口温度等措施情况。