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Disturbances of water level indication in the selected smoke- -tube exhaust gas boiler under the real ambient conditions

Tuński T.

Zeszyty Naukowe / Akademia Morska w Szczecinie

2013

nr 36 (108) z. 2

182--185

New ways of the long term operation of low-speed long-stroke marine Diesel engines such as “Slow Steaming” and “Super Slow Steaming” caused disturbances in operation of waste heat recovery systems from main engines exhaust gases. The advancement of the control systems of the water level in smoke-tube exhaust gas boiler created a possibility to change that parameter during operation of the “main engine – exhaust gas boiler” system. It was made use of such a feature to develop a system of readjustment of water level in the smoke-tube boiler to main engine load. However, introduced methods were saddled with simplifications that can bring in additional disturbances in operation of the boiler feed water systems. The bellow paper deals with influence of the ambient condition of the smoke-tube waste heat boiler on the water level indication in the boiler.