Cleaning manner null of hold of chemical tanker

摘要

PURPOSE:To try to improve efficiency of ship tank washing process in the case of a chemical tanker provided with a plurality of ship tanks, by enabling the ship tanks to be washed in the order of priority starting from the highest one on the basis of loading plan. CONSTITUTION:In the case of a chemical tanker provided with four cargo oil tanks and a waster liquid tank, complex pipe lines equipped on a hull for charge oil landing, ship tank washing process and cargo oil loading. When cargo oil of the No.1 cargo oil tank is landed by an unloading pump, liquid left in the tank is collected into the waste liquid tank by a pump. Fresh water containing no detergent is fed into a cleaning machine hung down from a ceiling in order to wash the ship tanks. Those washed ship tanks are, after further washed with sea water, heated and dried by a steamer. Such tank washing can be automatically operated on the basis of loading plan of cargo oil tanks, and efficiency improvement of tank washing operation can be aimed at.