叙述了在电厂排灰系统广泛应用的渣浆泵过流件的损坏原因 ,提出了避免汽蚀的技术措施 ,对正确、合理使用输送磨蚀性颗粒介质的渣浆泵以及提高过流件的寿命具有一定的指导意义 Describes the reasons for the damage to the overcurrent of the slurry pump which is widely used in the ash discharge system of the power plant and puts forward the technical measures to avoid the cavitation. It is of great significance to the correct and reasonable use of the slurry pump to transport the abrasive particulate medium and to improve the life of the overcurrent member Has a certain guiding significance