The analysis shows that the erosion happens in the oil refining activator slurry pump , the treatment to resisting erosion of the pump impeller, prolong efficiently the running period of this pump.

• 对催化剂浆料泵叶轮的磨蚀问题进行了失效分析，采取了一定的防护措施，有效延长了设备运行周期。