| 摘要 |
PURPOSE:To prevent a drain from scattering and remove lowering of working efficiency due to suspension by collecting a plurality of through holes of respective heat transfer pipes at the central portion and upper portion and forming a cut portion necessary for internal provision of the heat exchanger to a structure so that the end surface of the cut portion is formed to be a flat straight line. CONSTITUTION:In a heat transfer plate 11a, the positions of holes are set so that a shaping cut line C does not touch through holes 2, and the end surface 8m of a cut portion 8 is formed flat. A primary fluid A which flows through branch flowpaths a1 and a2, is cooled during the space cooling operation, by heat transfer plates 11a, 11b and 11c the temperatures of which have been lowered through a flow pipe 6 of a secondary fluid B and a coupled annular portion 7 to produce dews. The dews gradually grow as the time passes to form large water drops, and successively flow down until they become large particles enough for being blown off by a wind force A without staying on the end surface 8m, and they are collected at the lower part where the wind force A does not affect and then are discharged out of the structure.
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