The three-dimensional potential flow inside the impeller of a screw centrifugal pump was analysed by the boundary element method.
采用边界元法对螺旋离心泵叶轮中的三维势流进行了数值计算。
The imbalance weight of impeller of IFZ screw non-clogging pump has great effect on hydraulic performance of pump.
IFZ型无堵塞泵螺旋式叶轮的不平衡量对泵的水力性能有重大影响。
Screw-centrifugal pump is a kind of new type liquid-solids handing pump whose unique impeller structure combines both the advantages of screw pump and centrifugal pump.
螺旋离心泵是将螺旋泵与离心泵融合为一体的一种新型杂质泵，其独特的结构可以将两者的优势充分发挥。
C. Guide rail of impeller stopper adopts high hardness, good abrasion linear rails, and with small gap, high hardness ball screw lead, ensures stability and high precision for paper pushing. D.
推纸挡规导轨采用硬度高，耐磨性好的线性导轨，再配以间隙小，硬度高的滚珠丝杆，最大保证了推纸的平稳性和高精度性。
D. Guide rail of impeller stopper adopts high hardness, good abrasion linear rails, and with small gap, high hardness ball screw lead, ensures stability and high precision for paper pushing. E.
推纸挡规导轨采用硬度高，耐磨性好的线性导轨，再配以间隙小，硬度高的滚珠丝杆，最大保证了推纸的平稳性和高精度性。
D. Guide rail of impeller stopper adopts high hardness, good abrasion linear rails, and with small gap, high hardness ball screw lead, ensures stability and high precision for paper pushing. E.
推纸挡规导轨采用硬度高，耐磨性好的线性导轨，再配以间隙小，硬度高的滚珠丝杆，最大保证了推纸的平稳性和高精度性。
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