밸러스트수의 제조 방법은, 하우징 (20) 내에 공급된 원수를, 필터 (21) 보다 상류측인 1 차측으로부터 하류측인 2 차측으로 필터 (21) 를 통과시키는 여과 공정과, 여과 공정 후에, 하우징 (20) 내로의 원수의 공급을 정지한 상태에서, 하우징 (20) 내에 있어서의 2 차측의 공간에 존재하는 물의 양을 늘리는 증량 공정과, 증량 공정 후에, 하우징 (20) 내로의 원수의 공급을 정지한 상태에서, 하우징 (20) 내를 2 차측으로부터 가압하는 가압 공정과, 가압 공정 후에, 하우징 (20) 내로의 원수의 공급을 정지한 상태에서, 유체를 2 차측으로부터 1 차측으로 필터 (21) 를 통과시키는 세정 공정을 구비한다.
A ballast water production method includes a filtering step of passing raw water supplied into a housing (20) through a filter (21) from a primary side that is upstream of the filter (21) to a secondary side that is downstream of the filter; a volume-increasing step of, after the filtering step, increasing a volume of water present in a space on the secondary side of the housing (20) while the supply of the raw water into the housing (20) is stopped; a pressurizing step of, after the volume-increasing step, pressurizing an inside of the housing (20) from the secondary side while the supply of the raw water into the housing (20) is stopped; and a rinsing step of, after the pressurizing step, passing a fluid through the filter (21) from the secondary side to the primary side while the supply of the raw water into the housing (20) is stopped.
BALLAST WATER PRODUCTION METHOD AND BALLAST WATER TREATMENT SYSTEM
밸러스트수의 제조 방법 및 밸러스트수 처리 시스템
2017-10-27
Patent
Electronic Resource
Korean
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