Some Remarks on Heat Exchanger Networks Targeting

Jeżowski, J. M. and Jeżowska, A. Some Remarks on Heat Exchanger Networks Targeting Chemical Papers, Vol.56, No. 6, 2002, 362-368

Document type: Článok z časopisu / Journal Article
Collection: Chemical papers  
 
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Author(s) Jeżowski, J. M.
Jeżowska, A.
Title Some Remarks on Heat Exchanger Networks Targeting
Journal name Chemical Papers
Publication date 2002
Year available 2002
Volume number 56
Issue number 6
ISSN 0366-6352
Start page 362
End page 368
Place of publication Poland
Publisher Versita
Collection year 2002
Language english
Subject 290000 Engineering and Technology
290600 Chemical Engineering
Abstract/Summary The paper deals with some problems of targeting heat exchanger networks (HENs), such as a choice of the algorithms from Pinch Analysis (PA) technology for targeting HENs of multipass apparatus, and a new approach for calculating heat recovery for nonpoint utilities. The analysis of approaches from PA was given and examples were presented to show that some algorithms could yield inaccurate or even mistaken results. Comments were formulated on the choice of proper algorithms. In regard to heat recovery for nonpoint utilities a simple graphical approach was developed following concepts from wastewater minimization. The approach requires only basic information for process streams to yield the minimum cost at minimum flow rates of nonpoint utilities. It also provides information on limiting outlet temperatures of utilities that ensure feasible heat recovery with minimal flow rates of utilities.
 
 
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