| 摘要 |
<P>PROBLEM TO BE SOLVED: To surely release air in piping in a short time by improving a heating medium pressure feeding force during working on heating medium packing and on releasing air in piping, relating to a solar water heating system of a heating-medium forcedly-circulated type. <P>SOLUTION: The mechanism for releasing air in piping which accompanies the packing of the heating medium in the piping of a solar water heating system includes a first pump which supplies the heating medium to the piping of a circulation path by discharging the heating medium from a heating reservoir tank at a constant quantity along only one direction, a second pump of a turbo type which is interposed in the piping of the circulation path, first and second opening/closing valves that are interposed in outward and homeward paths of the circulation path, respectively, for opening and closing the path, a direction switching valve provided at a piping connection part of the first bump, the heating medium reservoir tank, and a homeward path. An electromagnetic pump is connected by piping to a first branch connection part in a circulation path piping on the upper stream side in an outward path upward direction of the second pump. A direction switching valve is connected by piping to a second branch connection part on the lower stream side in homeward path upward direction of the second/closing valve on the homeward path side in homeward path. <P>COPYRIGHT: (C)2012,JPO&INPIT |
