看过本文的还看了

相关文献

该作者的其他文献

文献详情 >Design of heat exchanger network ba... 收藏
Design of heat exchanger network based on entransy theory

Design of heat exchanger network based on entransy theory

作     者:Li Xia Yuanli Feng Xiaoyan Sun Shuguang Xiang 

作者机构:Institute of Process System Engineering Ojngdao University of Sdence and TechnologyQingdao 266042China 

基  金:Supported the National Natural Science Foundation of China(21406124) 

出 版 物:《Chinese Journal of Chemical Engineering》 (中国化学工程学报(英文版))

年 卷 期:2018年第26卷第8期

页      码:1692-1699页

摘      要:The heat exchanger network(HEN) synthesis problem based on entransy theory is analyzed. According to the characteristics of entransy representation of thermal potential energy, the entransy dissipation represents the irreversibility of the heat transfer process, the temperature difference determines the entransy dissipation, and four HEN design steps based on entransy theory are put forward. The present study shows how it is possible to set energy targets based on entransy and achieve them with a network of heat exchangers by an example of heat exchanger network design for four streams. In order to verify the correctness of the heat exchanger networks design method based on entransy theory, the synthesis of the HEN for the diesel hydrogenation unit is studied. Using the heat exchange networks design method based on entransy theory, the HEN obtained is consistent with energy targets. The entransy transfer efficiency of HEN based on entransy theory is 92.29%, higher than the entransy transfer efficiency of the maximum heat recovery network based on pinch technology.

主 题 词:Process systems Heat exchanger network synthesis Heat transfer Entransy Energy target Pinch 

学科分类:080706[080706] 08[工学] 0807[工学-电子信息类] 

核心收录:

D O I:10.1016/j.cjche.2017.10.007

馆 藏 号:203342577...

读者评论 与其他读者分享你的观点

用户名:未登录
我的评分