| 摘要 |
An improved internal bleeding roller of a liquid extraction machine includes a cylindrical shaft, a cylindrical sleeve mounted tightly over the cylindrical shaft, and a cylindrical shell mounted onto the peripheral surface of the mounting sleeve. The cylindrical sleeve is provided with a plurality of longitudinal flow channels equally spaced around the peripheral surface thereof. The longitudinal flow channels have increasing cross-sectional area towards the edges of the cylindrical sleeve. An outer surface of the cylindrical shell has a plurality of circumferential V-shaped grooves. A set of nozzles are fitted in the respective V-shaped grooves. The nozzles have increasing cross-sectional area axially along its length to prevent clogging of liquid. The design of flow channels and nozzles allow the internal bleeding roller to efficiently overcome the re-adsorption. |
