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介绍杭氧集团为扬子石化 4 0万吨 /年乙烯改造而设计的EA 331C冷箱 ,这是我国自行设计、制造的首台两相流乙烯换热器 ,它的成功投产为大型乙烯冷箱国产化提供了可靠保证。并指出了国外公司原设计存在的问题。图 2表 2。
This paper introduces the EA 331C cold box designed by Hangzhou Oxygen Group for the transformation of 400,000 tons / year of ethylene in Yangzi Petrochemical. This is the first two-phase ethylene heat exchanger designed and manufactured by our country. Its successful production is the large-scale ethylene cold box Localization provides a reliable guarantee. And pointed out that the original design of foreign companies problems. Figure 2 Table 2.