北京航空航天大学学报 ›› 2013, Vol. 39 ›› Issue (3): 376-380.

• 论文 • 上一篇    下一篇

带分离式蒸发冷凝器的机械压汽蒸馏系统设计

吴宏, 李育隆, 陈江   

  1. 北京航空航天大学 能源与动力工程学院, 北京 100191
  • 收稿日期:2012-02-13 出版日期:2013-03-31 发布日期:2013-04-03
  • 作者简介:吴宏(1971-),男,福建浦城人,副教授,wuhong@buaa.edu.cn.

Design of evaporator-condenser-separate mechanical vapor compression system

Wu Hong, Li Yulong, Chen Jiang   

  1. School of Energy and Power Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
  • Received:2012-02-13 Online:2013-03-31 Published:2013-04-03

摘要: 提出一套蒸发器和冷凝器分离的新型机械压汽蒸馏MVC(Mechanical Vapor Compression)系统.描述了新型系统的运行过程,建立了热力循环模型,优化了运行参数,并提出了提高效率的措施.结果表明:新型系统可有效解决结垢和污物处理困难的问题;蒸发器与冷凝器间换热温差的最优解是3.7 ℃;蒸发器盘面旋转、冷凝器换热管表面疏水性处理可强化换热,提高效率.

Abstract: An evaporator-condenser-separate mechanical vapor compression (MVC) system was presented, and the process of the new system was described. The thermal cycle model was established, and the thermodynamic parameters were optimized. In addition, measures to improve the efficiency of the system were proposed. The results show that the better effect of cleaning and prevention of scale was obtained by the new system. The heat exchange temperature between the evaporator and the condenser should better be 3.7 ℃. The rotating disk evaporator and the hydrophobic tubes of condenser can enhance the heat transfer and improve efficiency.

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