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    • 4. 发明公开
    • FALLING LIQUID FILM HEAT EXCHANGER, ABSORPTION REFRIGERATION SYSTEM, SHIP, OFFSHORE STRUCTURE, AND UNDERWATER STRUCTURE
    • FALLFLÜSSIGKEITSFILMWÄRMETAUSCHER,ABSORPTIONSKÄLTEANLAGE,SCHIFF,海洋工程学院,UNTERWASSER STRUKTUR,UNTERWASSERSTRUKTUR
    • EP2754986A1
    • 2014-07-16
    • EP12830181.9
    • 2012-08-16
    • Modec Inc.
    • NAKAMURA, TakujuKAWASE, Masaki
    • F28D3/04F25B39/02F28D5/02
    • F28D7/16B63G8/36B63H21/383B63J2/12F25B37/00F25B39/026F28D3/02F28D3/04F28D5/02F28D2021/0071F28F9/22F28F2265/00Y02A30/277Y02A30/278Y02B30/62Y02B30/64
    • A guide plate 22A, 22B having depressed portions 22 is provided between an array of heat exchanger tubes 21 arranged side by side in a horizontal direction and a next lower array of heat exchanger tubes 21 arranged side by side in the horizontal direction, and is positioned with the lowest parts of the depression portions 22a disposed near crest portions of the respective lower heat exchanger tubes 21. Thus, the guide plate is configured to convey a liquid D flowing down on outer surfaces of the respective upper heat exchanger tubes 21 onto the lower heat exchanger tubes 21 having one-to-one correspondences to the upper heat exchanger tubes 21 even when an inclination in a right-and-left direction of the heat exchanger tubes 21 occurs. Having this configuration, a falling film heat exchanger installed in a ship, an offshore structure, an underwater offshore structure or the like can avoid reduction in heat exchange performance, even when the ship or the like inclines and swings, by substantially evenly distributing and dropping a liquid such as a coolant or absorber onto the crests of the heat exchanger tubes and causing the liquid dropped from the heat exchanger tubes located in an upper array to surely fall onto the heat exchanger tubes located in the next lower array.
    • 具有凹部22的引导板22A,22B设置在沿水平方向并列配置的热交换器管21的阵列和沿水平方向并排配置的下一排热交换器管21,并且被定位 其中凹陷部分22a的最低部分设置在相应的下部热交换器管21的顶部附近。因此,引导板被构造成将在下部热交换器管21的外表面上向下流动的液体D传送到下部 即使发生热交换器管21的左右方向的倾斜,热交换器管21与上部热交换器管21对应。 具有这种构造,即使在船舶等通过大致均匀分布和滴落的方式倾斜和摆动时,安装在船舶,海上结构,水下海上结构等中的降膜式热交换器也可以避免热交换性能的降低 诸如冷却剂或吸收剂的液体到热交换器管的顶部并使得从位于上部阵列中的热交换器管滴下的液体可靠地落在位于下一个下部阵列中的热交换器管上。