| 摘要 |
<p>A device for reducing solids in a fluid flow and increasing fluid pressure, has comminution and inducer sections in a housing upstream of a main pump impeller, and a rotor with a hub of a larger diameter at the outlet than at the inlet of its rotor blades. The blades are notched on their outside diameter, and blade pitch angle progressively increases from inlet to outlet as a polynomial function. The anvil section of the housing has a larger inner diameter than the inducer section, and the inducer section a larger diameter than the rotor. One or more anvil vanes in the anvil section integral to the housing extend radially inward from the inside wall of the anvil section to the inner diameter ID of the inducer section and function to reduce solids by shearing action.</p> |
