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在新时代背景下，国内的经济快速发展，涌现出了众多新型工业和新型技术。在这样的时代背景下，气体工业的规模也逐渐扩大。由于国内的空气分离技术已经取得了很大进步，不断推出新型的产品和技术理念，空气分离装置是具有代表性设备。化工企业在生产过程中，氧气与氮气是非常重要的工艺原料，因此选择空气分离设备时，需要保证安全性、经济性和可靠性。鉴于这种情况，本文针对化工企业空气分离装置工艺流程选择展开分析探讨。“,”In the new era, with the rapid development of domestic economy, many new industries and new technologies have emerged. In this context, the scale of gas industry is gradually expanding. As the domestic air separation technology has made great progress, and new products and technical concepts are constantly introduced, the air separation device is a representative equipment. In the production process of chemical enterprises, oxygen and nitrogen are very important raw materials. Therefore, when selecting air separation equipment, it is necessary to ensure safety, economy and reliability. In view of this situation, this paper analyzes and discusses the process selection of air separation device in chemical enterprises.