Construction, operation, and control of power boiler ...
2021-1-1u2002·u2002The amount of saturated steam (boiler evaporation rate) is controlled by the amount of fuel input as boiler heat input. Fig. 5.2 shows the principle of the drum boiler. Steam is generated by increasing the boiler heat input by the burner, and the water level in the steam drum does not change if the feedwater is supplied smoothly.
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