Boiler Control Device, Boiler, Boiler Control Method, And Boiler Control Program

Abstract: Provided are: a boiler control device that estimates a fuel heat value and stably operates a boiler; a boiler; a boiler control method; and a boiler control program. A boiler control device (50) that controls a boiler comprises: a state quantity acquisition unit (51) that acquires a state quantity of a boiler; and a calculation unit (52) that calculates the fuel heat value, which is the heat value of fuel fed to the boiler, on the basis of the state quantity of the boiler and the boiler efficiency set in advance in the boiler control device (50). If the change quantity of the fuel heat value calculated by the calculation unit (52) satisfies a prescribed condition, the boiler control device performs control to correct the flow rate of fuel fed to the boiler using the fuel heat value.

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