A large ocean going cargo ship or freighter with a crude oil fuel system

摘要

A large ocean going cargo ship (1) with a hull (2), an engine room (3) located inside the hull (2), and a large multi-cylinder self-igniting internal combustion engine ( 4) received in the engine room (3) . The large multicylinder self-igniting internal combustion engine ( 4) is provided with a fuel injection system for delivering fuel to the cylinders. The cargo ship (1) is provided with a crude oil fuel supply system that supplies the fuel injection system with fuel in the form of crude oil. The fuel supply system includes a crude oil bunker tank (10), a crude oil settling tank (15), a purifier (19), a day tank (25), and a protected fuel system room (5) with reinforced walls. The protected fuel system room ( 5) is under-pressurized with respect to its surroundings and the protected fuel system room 5) houses the purifier (19).