| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat supply system which is able to reduce an initial cost and restrain radiation heat loss by realizing employment of a pipe whose diameter equals to that of a supply branch pipe and a return branch pipe. SOLUTION: The system comprises a heat exchanger 1, a supply main pipe 2, a return main pipe 3, a supply branch pipe 4 connected to the pipe 2, a first return branch pipe 5 for permitting a heating medium to flow in the direction of the end portion of the downstream side of the pipe 4, a plurality of loading pipes 8 which are connected parallel to each other between the branch pipe 4 and the branch pipe 5 while being provided with loading members 7, respectively, and a second return branch pipe 6 which is connected between the end portion of the downstream side of the branch pipe 5 and the pipe 3. Further, there are provided a plurality of passages 11 for branch pipes each comprising the branch pipe 4, the branch pipe 5, the loading pipes 8 and the branch pipe 6.
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