| 摘要 |
A waste heat utilization system is provided for a heating installation comprising a boiler (8) with a combustion burner, and a flue pipe (7, 10.) A section (7) of the flue pipe has a coil type, liquid filled, heat exchanger therearound with an inlet (12) and an outlet (11) connected via valves (14) to the circuit of a heat-absorbing device such as a part of a heating system. <IMAGE> |
