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The burner is of the rotary cup type and so does not require any atomising steam or air supply. Control air is needed for valve actuation and purging and an electrical supply is required to operate the rotary cup drive motor. Combustion air is supplied by means of an electrically driven forced draught fan. The…
The Electronic Governor System is a control system designed to accurately maintain the output shaft speed of the main propulsion engine to a given order. The governor consists of a microprocessor unit at the engine revolution control part and a fast response electrical servomotor with reduction gear at the actuator part. The servomotor unit is…
The engine protecting system (EPS) is designed to monitor the ship’s main engine performance and speed, then control the engine protection functions, such as shutdown and slowdown, if the engine’s monitored operations exceed defined limits. The protecting system provides the following control and monitoring facilities: Control of: • Emergency stop • Engine shutdown • Engine…
Introduction The Bridge Maneuvering System is a bridge maneuvering system used for the remote control of the ship’s main diesel engine which is connected to a fixed pitch propeller. The maneuvering system allows for remote engine control from the bridge or engine control room. Control may be transferred between these stations and may also be…
The emergency fire pump is located in the emergency fire pump space inside the steering gear flat. The pump is used to supply the fire main when the fire and GS pumps in the engine room are unable to do so and to supply the driving water for the foam system. It is an electrically…
The general service air system is supplied by one electric motor driven air compressor operating at a pressure of 6.9MPa. The compressor discharges to a 3.0m3 air receiver and is controlled by the pressure in the receiver with the machine loading and unloading as required. The compressor is fitted inside an acoustic casing that is…
The starting air system is supplied by two main starting air compressors that supply two 5.0m3 starting air receivers. The compressors are of the two stage reciprocating type and are cooled by fresh water from the fresh water cooling system. A three-way temperature controlled valve is used to regulate the flow of water to the…
The steering gear consists of two rams and four cylinders that are driven by two electrically driven pumps. The pumps are of the variable displacement axial piston type of swashplate design for closed circuit transmissions and are contained in separate oil tanks. The steering gear is capable of operating as two totally isolated steering systems…
Fresh water for domestic use is stored in the fresh water tank located in the steering gear room. Drinking water is supplied by a separate system and the drinking water is stored in the drinking water tank also located in the steering gear room. Fresh water and drinking water is pumped to the tanks from…
Cooling for the meat/fish, vegetable and dairy rooms is provided by a direct expansion R-404a refrigeration system. The plant is automatic and consists of two compressors, two condensers and an evaporator coil in each of the three cold and cool rooms; the lobby is cooled by the refrigerant return coil from the vegetable room. During…