公开(公告)号：US20180111069A1

公开(公告)日：2018-04-26

申请号：US15382361

申请日：2016-12-16

Applicant: MIURA CO., LTD.

Inventor： YASUHIKO SAITO

IPC: B01D33/50 ,  B01D35/02 ,  B01D33/06 ,  C02F1/00

CPC classification number: B01D33/50 ,  B01D33/06 ,  B01D33/11 ,  B01D33/503 ,  B01D35/02 ,  C02F1/004 ,  C02F2103/008 ,  C02F2201/001 ,  C02F2303/16

Abstract: Provided is a ballast water treatment device that can discharge ballast water stored in a casing quickly and in a preferable manner. The ballast water treatment device 1 is provided with: a casing 10; a filter 20 which is disposed in the casing 10 and which filters ballast water; an introduction portion 14 which introduces ballast water to a primary side of the filter 20; a first discharge portion in the casing 10 for discharging the ballast water from the primary side of the filter 20; and a second discharge portion 131 which is disposed at a lower portion of the casing 10 at a secondary side of the filter 20, and which discharges the ballast water from the secondary side of the filter 20.