| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a solar water heating system having structure formed of a hot-water storage tank and an expansion tank respectively having excellent heat efficiency. <P>SOLUTION: This solar water heating system is provided with a solar heat collecting panels 14 for collecting solar heat, antifreezing solution 3 storing the heat collected by the solar heat collecting panels 14 and circulating in a heat circuit, a heat exchanger 12 for exchanging heat with the antifreezing solution 3 in the heat circuit, the hot-water storage tank 11 provided with the described built-in heat exchanger 12, and the expansion tank 11 storing the antifreezing solution 3 in the heat circuit to adjust the internal pressure of the heat circuit. The expansion tank 1 is provided to be brought in contact with a lower part of the hot-water storage tank 11 to transmit the heat. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
