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到1981年底为止,日本全国共有人工冰场195处,几乎全部是氟里昂-盐水间接制冷系统。自从石油危机以来,日本的电价上涨了80％。为了节能,近二年来日本从美国引进了 ITT冰垫系统,它比过去的传统间接制冷系统节电25～40％,面且还大大地简化了施工过程。日本还准备在今后引进美国的 DLR 直接液体制冷系统,以做到进一步节能。本文就是笔者最近考察的小结,可供国内设计冰场时参考。
By the end of 1981, Japan had a total of 195 artificial ice rinks, almost all of which were Freon-saline indirect refrigeration systems. Since the oil crisis, electricity prices in Japan have risen by 80%. In order to save energy, Japan has introduced the ITT ice pad system from the United States in the past two years. It saves 25 to 40 percent of the energy of traditional indirect cooling systems in the past, and greatly simplifies the construction process. Japan is also preparing to introduce the US DLR direct liquid refrigeration system in the future to achieve further energy savings. This article is a summary of the author’s recent inspection, which can be used as reference for domestic ice rink design.