多层包扎结构在超临界CO2高压萃取釜中的应用  

APPLICATION OF MULTI-LAYERED STRUCTURE IN SUPERCRITICAL CO2 HIGH PRESSURE EXTRACTOR

作　　者：汪志福 李永泰 姚佐权 Wang Zhifu;Li Yongtai;Yao Zuoquan(Hefei General Machinery Research Institute Co.,Ltd.,Hefei,Anhui,230031)

机构地区：[1]合肥通用机械研究院有限公司

出　　处：《石油化工设计》2019年第4期47-49,57,I0003,共5页Petrochemical Design

摘　　要：超临界CO2高压萃取釜是一种新型的高效分离设备,设备内的盛装介质腐蚀性强、压力高,且自身承受周期性交变载荷操作工况苛刻。为改善现状,萃取釜筒体采用了多层整体包扎结构,分别从内筒及层板的材料选择、内筒及层板的厚度选择、内筒及层板之间的纵环焊缝布置、内筒及层板之间和层板及层板之间的间隙度这几个要点进行论述,经过设计方案比选,确定了最终的结构。设备的实际运行效果表明,该设计要点考虑到位。Supercritical CO2 high pressure extractor is a new type of high-efficiency separation equipment with corrosive medium,high internal pressure and cyclic alternating load,so the working conditions are harsh.To improve this situation,an integral multi-layered structure is adopted for the extractor body,several key points including the material selection of inner cylinder and laminate,the thickness selection of inner cylinder and laminate,the longitudinal and circumferential weld arrangement between inner cylinder and laminate,the gap between inner cylinder and laminate and the gap between laminates are compared and discussed,and the final structural design is determined.The actual operation of equipment indicates that the key points of design are well considered.

关 键 词：多层包扎结构 高压萃取釜 层间间隙 

分 类 号：G63[文化科学—教育学]