Synthesis of heat exchanger networks featuring batch streams

被引：17
|
作者：
Wang, Yufei [1 ]
Wei, Ying [2 ]
Feng, Xiao [1 ]
Chu, Him Hoong [2 ]
机构：
[1] China Univ Petr, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
[2] Xi An Jiao Tong Univ, Dept Chem Engn, Xian 710049, Peoples R China
来源：
APPLIED ENERGY | 2014年 / 114卷
基金：
中国国家自然科学基金;
关键词：
Heat exchanger network; Graphical method; Batch stream; Intermediate media; Energy target; PROCESS INTEGRATION; CASCADE ANALYSIS; DESIGN; ENERGY; RECOVERY; RETROFIT;
D O I：
10.1016/j.apenergy.2013.09.040
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A new method based on the heat duty-time (Q-t) diagram is proposed for heat integration of heat exchanger networks featuring batch streams. Using the Q-t diagram method, the energy targets and the structure of the initial heat exchanger network can be easily obtained. The method can be used both for direct and indirect heat integration of batch streams. For indirect heat integration, the heat degradation of intermediate media is considered. A case study on optimizing the heat exchanger network of a hydrazine hydrate plant is used to illustrate the application of the method. The results show that integration of this heat exchanger network without considering its batch streams can limit the total energy savings. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：30 / 44
页数：15
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