| 摘要 |
PROBLEM TO BE SOLVED: To provide a vertical screw press type filter device where the simplification of a device structure, the enhancement of maintainability, the reduction of the number of components and the reduction of time and labor required for assembling are achieved.SOLUTION: A vertical screw press type filter device comprises: a cylindrical or conical inside filter body 1 fixed around an axial line O extending in a vertical direction; an outside filter body 2 fixed at the outside of the inside filter body 1 with an interval to be a cylindrical or conical shape having the same axis as the inside filter body 1; and a ribbon screw 11 which is housed between the inside and outside filter bodies 1, 2 to be spirally twisting around the axial line O and which rotates around the axial line O. An inner periphery washing tube 13 to wash the inside filter body 1 is inserted into the inner periphery of the inside filter body 1 to be extended in an axial line O direction and an outer periphery washing tube 14 to wash the outside filter body 2 is disposed at the outer periphery of the outside filter body 2 to be extended in the axial line O direction. The inner and outer periphery washing tubes 13, 14 are connected at a lower end side in the axial line O direction of the inside and outside filter bodies 1, 2 and can be integrally rotatable around the axial line O. |
