The loose explosion technology was adopted in the demolishment of regenertor internal lining for heavy oil catalytic cracking unit of Daqing petrochemical complex refinery,and obtained successfulness.

• 大庆石化总厂炼油厂重油催化裂化装置再生器内衬里在拆除中,采用了先进的松动爆破技术,并获得成功。