| 摘要 |
The heat absorbing member formed by connecting the bottom portion of the inlet header (1) with that of the outlet header (2) through a heat absorbing tube installed so that the heat absorbing tube is located in a heating container (9). The heat absorbing tube (16) is comprised of a plurality of down tubes (3, 5) and down tubes (4, 6) all with lower ends closed and connected under the inlet header (1) and outlet header (2) respectively, and spiral tubes (7, 8) which connect to the bottom portion of the down tubes (3, 5) and to the top portion of the down tubes (4, 6), and wherein the spiral tubes (7, 8) are of the same length.
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