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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…
The air conditioning system is designed to cool air if required, provide heating to the air when needed and humidify the air to the correct level for comfort. A by product of air conditioning is the lowering of the air’s dew point and precipitation of moisture out of the air and making it dryer. A…
The sewage treatment plant treats all sewage in a three tank unit using activated sludge and extended aeration. Sewage Treatment Plant The sewage treatment plant consists of three separate tanks through which the sewage passes and during that passage through the tanks bacteria effectively breaks down the raw sewage so that the discharge into…
The incinerator consists of a combustion chamber with burner unit, sludge burning equipment and electric control panel all assembled in one complete unit. The incinerator can burn solid garbage waste, engine room waste oil and diesel oil to assist the total combustion when required. The unit is capable of burning approx 58-70 kg of waste…
The growth of marine micro-organisms in the ship’s sea water piping is prevented by the injection of chlorine at a controlled rate. The chlorine is injected into the sea suction chests and is circulated throughout the sea water system by the operating pumps. Chlorine is manufactured in the Marine Growth Prevention System (MGPS) by the…
The fresh water generator (evaporator) installed in the engine room utilizes the heat available from the main engine jacket cooling water system to produce fresh water for use on-board the vessel. In doing so the evaporator acts as a cooler for the main engine jacket cooling water system thus reducing the load on the main…
Description The exhaust gas boiler, which is located in the engine room at the upper deck level, is used to generate steam from the waste heat in the main engine exhaust gas. It can be operated separately or in connection with the oil fired auxiliary boilers. The steam generating tubes are of the pin tube…
The steam generating plant consists of two oil fired auxiliary boilers and one exhaust gas economizer. In port the steam demand of the plant is served by the oil fired boilers. At sea, the steam demand is met by supplying boiler water to the exhaust gas economizer and utilizing the waste heat from the main…
Before starting the engine, the following checks and procedures are to be undertaken. All components that have been overhauled to be checked and wherever possible function tested. All equipment, tools and rags used during overhaul to be removed from the engine. Air Systems a) Drain any water present from the starting air system. b) Drain…