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Received December 22, 2009
Accepted January 13, 2010
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Dynamic modeling of the steam supply system for a paper drying cylinder
Department of Chemical Engineering, Hanyang University, Seoul 133-791, Korea
Korean Journal of Chemical Engineering, September 2010, 27(5), 1384-1390(7), 10.1007/s11814-010-0247-y
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Abstract
A dynamic model describing the principles of a steam supply system for a paper drying cylinder used in paper production plants was developed based on the mass and heat balances around the cylinder. The balance equations consist of sets of differential equations describing heat and mass transfer around the canvas, the web and the drying cylinder. The effects of the steam valve adjustment on steam pressure, temperature and moisture content were investigated based on the model developed. It was found that application of simple model predictive control to the operation_x000D_
of steam supply system is enough to achieve satisfactory drying performance in a single paper drying cylinder.
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Grander M, Computer simulation of the dryer section., Albany International, Paper Technology (2000)
Magnus K, Nordic Pulp and Paper Res. J., 17 (2002)
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Persson H, Dynamic modeling and simulation of multi-cylinder paper dryers., Licentiate thesis, Department of Chemical Engineering, Lund Institute of Technology, Sweden (1998)
Heikkila P, A study on the drying process of pigment coated paper webs., PhD thesis, Department of Chemical Engineering, Abo Akademi, Abo, Finland (1993)
