Heat transfer fluid leading solar thermal system used for universities in e.g. entire city, comprises heat source for supplying heat to heating networks to which solar heat flow is directed in flow temperature

摘要

The heat transfer fluid leading solar thermal system (1) comprises a heat source for supplying the heat to the heating networks (4). The solar heat flow (5) is directed to the heating networks in flow temperature. A vacuum type solar collector is provided in form of panel. A heat exchanger (3) is arranged between the heating networks. The return flow (6) of the heat from the heating network is guided so that the pressure difference in the collector is more than pressure difference in the heating networks.