Oxygen is produced by an air separation unit ( asu ) through liquefaction of atmospheric air and separation of the oxygen by continuous cryogenic distillation 氧的生产使用空气分离装置（ asu ） ，通过大气的液化和连续低温蒸馏分离出氧。
Chart s expertise has been integrated into process applications such as air separation , liquefied natural gas , petrochemical , and natural gas processing 查特在深冷方面的专业技术已成为加工行业不可或缺的一部分，如空气分离液化天然气石化及天然气加工等。
Part of flue gas will be circulated and mixed with oxygen to be loaded into furnace . oxygen - enriched combustion is also called as o _ ( 2 ) / co _ ( 2 ) combustion , or air separation and flue gas recycle 富氧燃烧技术也称为o _ 2 / co _ 2燃烧技术，或空气分离/烟气再循环技术。
Nordon cryogenie heat exchangers are used in gas processing plants as air separation stations ( oxygen , nitrogen , azote ) , lpg ( liquefied petroleum gas ) stations and lng ( liquefied natural gas ) stations and plants to produce chemicals ( ethylene … 诺顿深冷技术公司生产的换热器主要用在空气分离上（生产氧气，氮气，氩气） ，液化石油气和液化天然气和化工厂（乙烯生产） 。
Main business scope of bfasp : designing , manufacturing , technical innovation , installation and commissioning , technical inquiry of air separation plant , nature gas liquefying plant , cryogenic engineering equipment , cryogenic environment device , and various nonstandard equipments 公司主要业务范围：空气分离及液化设备、天然气液化设备、低温环境模拟装置、化工尾气回收制冷装置以及各种非标设备设计、制造、技术改造、安装调试、技术咨询等。
The new type perforted corrugated packing won the second of the national science and technology advance prize in 1992 . it won the golden medal of the second national exposition on the new patent techniques and products in 1993 . besides , it was listed in 95 the most important expanded items of national technical committee 新型网孔波纹填料1992年获国家级科技进步二等奖1993年获第二届中国专利新技术新产品博览会金奖列入国家科委九五重点推广计划“金属空分波纹填料”已通过省级科技鉴定并被认定为高新技术产品空气分离塔入选为“中华塔器品牌榜”产品。
The paper analyses the stress of bulk cargo , puts forward the analytic method of working out the separating interface between gas and material and establishes t he model calculating model and the movement characteristic parameter equation according as the moment balance law to determine the size , rotate speed , the drive power of screw and the productivity 分析了物料间的应力状态，提出了物料与空气分离界面的解析法，根据物料的力矩平衡建立了螺旋阻力矩的计算模型和物料的运动特征参数方程，以确定螺旋的尺寸与转速、螺旋驱动功率和输送量。
