本文简单介绍了空分行业的发展状况,对空分设备的流程形式及分类进行了阐述。随着气体工业生产的发展,冶金和化工已经成为空分设备的主要用户,二者相互依存又相互发展。最后对当前国内外气体分离行业的前景进行了展望。 This article briefly introduces the development of air separation industry, and describes the process and classification of air separation plant. With the development of gas industrial production, metallurgy and chemical industry have become the main users of air separation plants, and the two are interdependent and mutually developing. Finally, the prospects of the current gas separation industry at home and abroad are prospected.