活塞料仓链式超临界流体连续萃取器结构设计  

The structure design of supercritical fluid continuous extractor with piston bin chain

作　　者：祝勇仁[1] ZHU Yong-ren(Department of Mechanical Technology, Zhejiang Institute of Mechanical ＆ Electrical Engineering, Hangzhou , Zhejiang 310053, China)

机构地区：[1]浙江机电职业技术学院机械技术系,浙江杭州310053

出　　处：《食品与机械》2018年第1期72-77,共6页Food and Machinery

基　　金：浙江省科技厅公益技术应用研究项目(编号:2017C32025)

摘　　要：为提高超临界流体萃取间歇操作的效率,设计活塞料仓链式的连续萃取器,将进、卸料操作移出到萃取工艺流程之外,实现连续萃取。通过试验研究了单、双道O形圈及V形粉尘阻挡密封圈不同组合对动密封压力、泄漏量和磨损行程的影响,得出不同的关系曲线。对O形圈接触可靠性进行模拟分析,确定密封的有效性和磨损行程。分析活塞仓体的受力情况并进行结构设计和校核,设计了针对不同组分萃取物进行分级萃取的连续萃取器,并给出具体工艺的实现方式。In order to improve the intermittent operation efficiency of supercritical fluid extraction, continuous extractor of piston bin chain was designed which moved Inlet and discharge operations outside of solvent extraction process to realize the continuous extraction. With the study on different combination of the single, double O-ring and v shaped dust block ring, the curve of different for dynamic seal pressure, leakage and wear trip were summarized. The effectiveness of the seal and wear trip was confirmed by using the simulation analysis of the O-ring contact reliability. Moreover, the extractor of different components in succession was also designed for fractional ex tracts and the specific process was put forward.

关 键 词：活塞料仓链 萃取器 动密封压力 磨损行程 分级萃取 

分 类 号：TQ051.83[化学工程]