APPAREIL DE TRANSPORT DE CHALEUR

The invention provides a heat transport apparatus capable of promoting reaction rates of ammonia desorption or fixation in a reaction vessel using a small input energy.A chemical heat storage system 100 includes a first heat exchange reaction vessel 20, a second heat exchange reaction vessel 30 housing a chemical heat storage material, an ammonia pipe 42 that is connected to the first heat exchange reaction vessel 20 and the second heat exchange reaction vessel 30 and that allows ammonia to pass through, and a pressure control reaction vessel 50 that controls ammonia pressure of the second heat exchange reaction vessel 30 when the second heat exchange reaction vessel 30 is desorbing ammonia or fixing ammonia. An ammonia pressure difference arising between the first heat exchange reaction vessel 20 and the second heat exchange reaction vessel 30 is utilized to transport heat by transporting ammonia from one vessel to the other vessel.