Ammonia Fuel Supply Unit, Power Generation Plant, And Method For Operating Boiler

Abstract: This ammonia fuel supply unit for supplying ammonia fuel to a boiler comprises a first vaporizer and a second vaporizer. The first vaporizer is configured to carry out a vaporization process on liquid ammonia serving as a fuel using a heat source at a temperature equal to or greater than the boiling point of liquid ammonia. The second vaporizer is provided between the first vaporizer and the boiler, and is configured to carry out a vaporization process on liquid ammonia remaining after the vaporization process performed using the first vaporizer by using, as a direct or indirect heat source, heated air that is generated using waste heat from the boiler.

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