A ballast water treatment device mounted in a vessel (VSL) and configured to sterilizes seawater (Wo) taken from the outside of the vessel to be stored as ballast water in a ballast tank (T) provided in the vessel, the ballast water treatment device being characterized by comprising an antiseptic agent injection hole (Is) for injecting a chlorine-based antiseptic agent (ms) into the seawater taken from the outside of the vessel; an antiseptic agent pipeline (Ls) for circulating the chlorine-based antiseptic agent toward the antiseptic agent injection hole; and a residue injection hole (Id) through which at least part of a residue of the chlorine-based antiseptic agent remaining in the antiseptic agent pipeline and unused for the sterilization of the seawater taken from the outside of the vessel is removed to the outside of the antiseptic agent pipeline, and being characterized in that the residue injection hole is the same injection hole as the antiseptic agent injection hole, or is located upstream or downstream of the antiseptic agent injection hole along the flow direction of the seawater taken from the outside of the vessel.
BALLAST WATER TREATMENT DEVICE, AND BALLAST WATER TREATMENT METHOD
BALLASTWASSERBEHANDLUNGSVORRICHTUNG UND BALLASTWASSERBEHANDLUNGSVERFAHREN
APPAREIL DE TRAITEMENT D'EAU DE BALLAST, ET PROCÉDÉ DE TRAITEMENT D'EAU DE BALLAST
2020-10-28
Patent
Elektronische Ressource
Englisch
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