Exhaust gas and auxiliary boilers are used to generate thermal oil or steam – for example, for heating or cleaning tanks, preheating HFO, producing drinking water or heating water and living areas. Today, steam turbo-generators are also used to generate electricity for very large engines.
Steam or thermal oil is required on seagoing vessels to heat the heavy fuel oil to a temperature of 130 to 140°C. The heated exhaust gas from the engines (exhaust gas boiler) acts as a source of energy for generating this steam or thermal oil. Other auxiliary boilers are fired with oil or gas.
A large number of valves are necessary to operate the boiler:
Stop valves, drain valves, dump valves, check valves, strainers and sight glasses made by ARI are also suitable for these applications.
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