Boiler Types, Parts, Operation, Applications
2021-7-1 · (ii). Externally Fired Boilers: In externally fired boilers, the furnace is located outside the boiler shell. In this the furnace is arranged underneath in brick work setting. Water tube boilers are always externally fired boilers. 4. According to the Axis of the Shell According to the axis of the shell, the boilers are classified as vertical ...
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