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계의 부리를 통한 최적 열교환망 합성에 관한 연구
A Study on Optimal Heat Exchanger Network Synthesis Using System Separation Method
HWAHAK KONGHAK, June 1994, 32(3), 288-299(12), NONE
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Abstract
열교환망 합성의 실제적인 구조설계를 수행하기 전에 장비와 에너지 비용을 바탕으로 총 비용의 목표값을 결정함으로써 최적의 최소접근온도차를 구하는데 중점을 두었다. 본 연구에서는 온도-엔탈피 도표상에서 불연속성을 갖는 계, 안전성 및 배치 등의 문제로 열교환을 시키기 위한 흐름들의 선택에 제한을 해야 하는 계와 여러 개의 핀치를 지니는 계에 대하여 보다 타당한 목표값을 설정하기 위하여 계를 분리시키는 방법을 적용하고 이를 근거로 한 프로그램을 개발함으로써 열교환망 합성시 핀치설계방법의 적용이 수월할 것으로 기대되는 목표값을 구할 수 있다.
The optimal minimum temperature difference and the optimal total cost targets based on the energy and capital cost were determined before the synthesis of the heat exchanger network. The present method using the system separation, was applied to the system which have the discontinuity on the temperature-enthalpy diagram, the multiple pinches and the match constraints for the intangibles of design such as safety, layout and etc. The program based on the above method was developed and it was possible simply to find the optimal target for the actual heat exchanger network by the pinch design rule.
References
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Linnhoff B, Ahmad S, Comput. Chem. Eng., 14, 729 (1990)
Kim SW, Lee HP, Pak UH, Park SW, HWAHAK KONGHAK, 30(3), 318 (1992)
Linnhoff B, Hindmarsh E, Chem. Eng. Sci., 38, 745 (1983)
Townsend DW, Linhoff B, IChemE 11th Annual Res., 45 (1984)
박경수, "경제성 공학," 6th ed., 회중당, 서울 (1985)
Ahmad S, Smith R, Chem. Eng. Res. Des., 67, 481 (1989)
Hall SG, Ahmad S, Smith R, Comput. Chem. Eng., 14, 319 (1990)
Trivedi KK, Roach JR, O'Neill BK, AIChE J., 33, 2087 (1987)
Edgar TF, Himmelbrou DM, "Optimization of Chemical Processes," McGraw-Hill, New York (1988)
Lewis EG, Michael DR, Arthur WW, Chem. Eng. Commun., 14, 339 (1982)
Ahmad S, Linnhoff B, Smith R, Comput. Chem. Eng., 14, 751 (1990)
Gunderson T, Naess L, Comput. Chem. Eng., 12, 503 (1988)
Purohit GP, Chem. Eng., 22, 56 (1983)
Douglas JM, "Conceptual Design of Chemical Processes," McGraw-Hill, New York (1988)
Linnhoff B, Flower JR, AIChE J., 24, 633 (1978)
Trivedi KK, O'Neill BK, Roach JR, Comput. Chem. Eng., 13, 291 (1989)
Jezowski J, Comput. Chem. Eng., 16, 129 (1992)
