Pinch Technology for the Synthesis of Optimal Heat and Power Systems

[+] Author and Article Information
B. Linnhoff

Department of Chemical Engineering, University of Manchester Institute of Science and Technology, Manchester, England

J. Energy Resour. Technol 111(3), 137-147 (Sep 01, 1989) (11 pages) doi:10.1115/1.3231415 History: Received September 01, 1985; Revised May 26, 1989; Online October 22, 2009


Over recent years a new methodology for the analysis and design of heat exchanger networks, called pinch technology, has led to significant energy savings in the chemical and process industries. The methodology has later been extended to apply to integrated heat and power systems (Townsend and Linnhoff, 1983). This paper shows that pinch technology is firmly based in Second Law Analysis. In contrast to conventional Second Law Analysis, however, it does not require a base case design. Rather, it performs true synthesis. Also, it is capable of a methodical distinction between “inevitable” and “avoidable” exergy losses.

Copyright © 1989 by ASME
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