![]() ![]() Hydraulic system without any electrical power equipment in cargo area.Segregation of cargoes for vessel’s safety and the environment.The equipment is manufactured in Norway ‘Framo’ facility and the most important benefits of the system are: The portable pump is controlled locally at the pump via the control valve. The discharge from all cargo, ballast and other pumps connected to the system may be remotely controlled from framo control panel, vessel’s integrated control system (ICS) or locally at each pump via the control valve. To regulate the oil temperature, a cooling water inlet valve is controlled from the framo control system. To prevent impurities from entering the hydraulic system, the system is also pressurized (2-6 bar) when not in operation. Depending on the installation, this is done by a jockey or feed pump. To keep the hydraulic oil clean and hydraulic oil temperature within desired range, a full flow filter and cooler are installed in the main return line. To control and limit the speed of the motor, a control valve is fitted for each motor. ![]() The pump displacement is hydraulically controlled via the pressure regulator on each pump and by this system, the oil delivery from the hydraulic pumps will always be the same as the oil consumption for the hydraulic motors. The hydraulic power unit consists of electric motor and/or diesel engine driven hydraulic power packs, where the hydraulic pumps are of axial piston type and swash plate design with variable displacement. ![]() ![]() The hydraulic section is surrounded by a cofferdam that completely segregates the hydraulic oil from the cargo. The framo hydraulic cargo pumping system is designed for a flexible and safe cargo and tank cleaning operation on ships. It consists of one hydraulic motor driven cargo pump installed in each cargo tank, ballast pumps, tank cleaning pumps, portable pumps and other consumers, all connected via a hydraulic ring line system to a hydraulic power unit as shown in figure below. The submerged cargo pump is a single stage centrifugal pump with the impeller close to the tank top, giving a good pumping performance of all kinds of liquids and with excellent stripping performance. ![]()
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