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The function of the boiler is to generate steam at the desired conditions efficiently and with low operating costs.Low pressure steam is used in cogeneration plants for heating or process applications, and high pressure superheated steam is used for generating power via steam turbines.Boilers form
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8. Boiler circulation methods.
Natural;
(b) forced circulation;
(c) once-through;
(d) once-through with superimposed circulation.
1, Economizer;
2, furnace;
3, superheater;
4, drum;
5, orifice;
6, circulating pumps;
7, separator.