| 摘要 |
PROBLEM TO BE SOLVED: To improve the efficiency of heat exchange between a fluid for heat exchange and an outside fluid to have a heat exchange therewith by controlling the flow of the fluid for heat exchange flowing through a passage of the fluid for heat exchange in a heat exchanger made of a resin. SOLUTION: In a hollow heat exchanger made of a resin that is provided with an intake part of a fluid for heat exchange and a discharge part of the fluid for heat exchange at the upper and lower locations of a plurality of passages of the fluid for heat exchange extending roughly vertically, a projected wall projecting toward the inside from the sides of both surfaces is provided in the vicinity of the intake part of the fluid for heat exchange, so as to roughly equalize the distribution of the fluid for heat exchange to a plurality of the passages of the fluid for heat exchange. Moreover, the projected wall that is roughly orthogonal to the direction in which the fluid for heat exchange flows is also provided toward the inside from the sides of both surfaces in the vicinity of the discharge part of the fluid for heat exchange, so as to prolong the residence time of the fluid for heat exchange in the passage of the fluid for heat exchange. A space with a fixed distance is preferably provided between both projected walls, and placing the projected walls in a condition in which they are firmly stuck to each other in part makes the distance of the space fixed and stabilizes the distribution to the passages of the fluid for heat exchange.
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