| 摘要 |
PROBLEM TO BE SOLVED: To provide a solid-liquid separation device that is free from clogging at a filtering surface of a laminated-type rotation filter body (hereinafter called as "filter body"), eliminates the need of warming-up operation, has a simple structure, eliminates the need of time and skill in assembly, is low cost and excelled in maintainability, and stably maintains a filtering function.SOLUTION: A solid-liquid separation device is characterized by: forming a cake conveyance path 7 in an ascending gradient manner toward a solid discharge port 11 with a plurality of filter bodies 1t formed by laminating respective filter pieces in a treatment tank 9; bringing a lower outer edge of a movable part 19k of an upper shielding wall 19 vertically installed to a top wall 9t into sliding contact with an outer circumferential edge of an upper filter body 1t by fluid-pressure; setting up an upper filtrate drain outlet 12r in the sidewall sectioning the cake conveyance path 7 and an upper space 21; closely facing a tip main section outer edge of a lower shielding wall 18 attached to a supply sidewall 9s to an outer circumferential edge of a lower filter body 1t, and also closely facing a main section outer edge of a sealing member 15 attached to a discharge sidewall 9d to an outer circumferential edge of an upper-lower two stage filter body 1t; and setting up a lower filtrate drain outlet 12b in a lower wall 9b sectioning the cake conveyance path 7 and a lower space 22. |
