吉化炼油厂于1998年4月28日顺利完成了重油催化装置第二再生器外旋风分离器改造工作，装置一次开车成功。催化剂单耗明显下降，为装置达产达标创造了条件。改造前，第二再生器外旋风分离器的效率比较低，工况非常不稳定，催化剂单耗增高，1997年催化剂单耗达2．0kg／t。改造后? On April 28, 1998, Jilin Chemical Refinery successfully completed the remodeling of the cyclone separator outside the second regenerator of the heavy oil catalytic device, and the device was successfully driven once. The unit consumption of catalyst has obviously dropped, which has created the conditions for the unit to meet the production standards. Before the reform, the second regenerator outside the cyclone efficiency is relatively low, the working conditions are very unstable, the catalyst unit consumption increased in 1997, the catalyst unit consumption of up to 2.0kg / t. After transformation?