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介绍了美国APCI公司和德国LINDE公司配于空分设备的三种新空气预冷系统:配合PSA常温变压吸附系统的预冷系统、低温水间接冷却的预冷系统、空气与冷冻机直接换热的预冷系统。图3。
The paper introduces three kinds of new pre-cooling system of APCI and German LINDE which are equipped with air separation plant: pre-cooling system with PSA room temperature pressure swing adsorption system, cold precooling system with indirect cooling of low temperature water, direct exchange of air and freezer Hot precooling system. image 3.