| 摘要 |
1,147,288. Mixing apparatus; homogenizing pump; comminuting pump. ALFA-LAVAL A.B. 21 June, 1967 [23 June, 1966], No. 28720/67. Headings B1C, B1V and B2A. [Also in Division F1] A pump suitable for pumpinig and homogenizing viscous fluids containing, fibrous materials, has a pair of opposed : screw, impellers delivering to an intermediate centrifugal impeller. The screw impellers may be, of the double-start type, the centrifugal impeller then having two impelling members 4. The screw threads 3 may increase from zero height at their inlet ends to a maximum height at their outlet ends. The threads have crushing and cutting ,serrations 8, e.g. cemented carbide tips brazed in position, co-operating with carbide ribs 9 extending along or at an angle to the longitudinal direction of the casing 6. |
