| 摘要 |
PURPOSE:To enable to utilize accumulated solar energy produced as a low temperature heat source, by collecting solar heat in low temperature in the intermediate seasons of a year (in spring and in autamn), and by using the accumulated solar energy produced by temperature difference as a chemical heat pump. CONSTITUTION:When a sufficient solar heat can be collected, heating can be performed directly by collected heat by using a heat collector 11 alone. But when a specified heating load can not be covered sufficiently by the heat collector 11 alone, the heated-water flowing out of a heating load 12 is heated by a chemical heat pump A, consisting of an evaporator 13 and an absorber 14, and the heated water is used over again. On the other hand, when the heated-water flowing out of the heat collector 11 is not heightened up to the temperature to be used to heat rooms directly, heating is performed by raising the temperature in water, using the chemical heat pump A, after low heat is collected by the heat collector 11. When the temperature is not high enough to heat water, other heat source such as a fossil fuel boiler 15 is added to a heating load. When solar heat cannot be collected at all from the solar rays, heating is performed by using a boiler only.
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