A particular sludge agitator for oval sludge digester has been designed and made up on the basis of the theory of axis pump impeller and inducting principle against the cavitations erosion of pump.

• 根据轴流泵叶轮和水泵提高抗汽蚀性能的诱导轮等设计方法 ,设计出了新型卵形污泥消化池搅拌机。