Cyclone of a regenerating system in a catalytic cracking unit in the Changling Oil Refining Plantcan not be protected by using conventional linner of alumina because of its small size.
长岭炼油厂新型催化裂化装置再生系统旋风分离器尺寸小，不能采用常规氧化铝内衬保护。
2
Adding a grid to the dense phase of the regenerator is an effective method to raise the regenerating capacity of a heavy oil catalytic cracking unit.