| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid filter device capable of suppressing a space required for maintenance with a simple structure, by striking a balance between a high filtering treatment capacity and a small footprint so as to be applicable to a ballast water treatment apparatus.SOLUTION: A liquid filter device performs filtering while rotating a cylindrical filter with a filtration surface disposed on the side surface of a cylinder around a cylinder shaft, and includes at least one filter cartridge having the cylindrical filter, an upper lid member and a bottom closure member. In the liquid filter device, the upper lid member and filter cartridge along with the bottom closure member and filter cartridge are detachably constructed through a sealing member, respectively. |
