高压超临界流体气辅系统研究  

High Pressure Supercritical Fluid Gas-assisted System Research

作　　者：徐天艺 

机构地区：[1]合肥会通中科材料有限公司,安徽合肥230088

出　　处：《液压气动与密封》2014年第4期54-56,共3页Hydraulics Pneumatics & Seals

摘　　要：着重讲述了高压超临界流体气辅系统的设计并从流体力学理论出发,分析与讨论了其注入计量精度的控制方法。具体设计并实现了一套高压超临界流体气辅系统,而且应用于超临界二氧化碳/聚丙烯挤出发泡生产中测试其稳定性和控制精度。阐述了高压超临界流体气辅系统在超临界流体技术中的拓展应用,而且对其发展前景进行了分析与展望。Focus on the high pressure supercritical fluid gas-assisted system design. Analyzes and discusses its precision of injection and measurement control method according to the fluid mechanics theory. And designed and implemented a set of specific high pressure supercritical fluid gas-assisted system, and used in SC-C02/PP extrusion foaming production to test its stability and control accuracy. Elaborated the high pressure supercritical fluid gas-assisted system which was applied in the development of supercritical fluid technology, and analyzed and predicted its development prospects.

关 键 词：超临界流体技术 气辅系统 流体控制系统 高压系统 物理发 萃取技术 注入与计量系统 

分 类 号：TH138[机械工程—机械制造及自动化]