| 摘要 |
PURPOSE: A screw press equipped with an air bubble spraying type cleaning unit is provided to prevent the moisture content of sludge from being increased using little amount of cleaning water. CONSTITUTION: A cleaning pipe(66) includes a plurality of nozzles spraying cleaning water toward a screen. Dehydrating holes are formed on the screen. A cleaning pump(67) increases the pressure of the cleaning pipe by supplying the cleaning water from a cleaning water tank under the high pressure. An air supplying unit(2) is installed between the cleaning pump and the cleaning pipe. A stirring unit(1) generates vortex based on the air and the cleaning water and uniformly distributes air bubbles. |
