In a conventional continuous annealing line, the energy supplied to steel strip during heating is not recovered while cooling it. Therefore, an alternative heat transfer technology for energy efficient continuous annealing of steel was developed. This technology enables reusing the heat extracted during cooling of the strip in the heating part of the process. This is achieved by thermally linking the cooling strip to the heating strip via multiple rotating heat pipes. In this context, the dynamic simulation of a full heat pipe assisted annealing line is performed. The dynamic simulation consists of the interaction of computational building blocks, each comprising of a rotating heat pipe and strip parts wrapped around the heat pipe. The simulations are run for different installation configurations and operational settings, with the heat pipe number varying between 50 and 100 and with varying strip line speed and dimensions. The heat pipes are sized to be 0.5 m in diameter and 3 m in length. The simulation results show that the equipment is capable of satisfying the thermal cycle requirements of annealing both at steady-state and during transition between steady-states following changes in boundary conditions. With this concept, energy savings of up to 70% are feasible.
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September 2019
This article was originally published in
Journal of Heat Transfer
Research-Article
Dynamic Modeling of the Heat Pipe-Assisted Annealing Line
Metin Celik,
Metin Celik
Faculty of Mechanical,
Maritime and Materials Engineering,
Process & Energy Department,
Delft University of Technology,
Leeghwaterstraat 39,
Delft 2628 CB, The Netherlands
e-mail: M.Celik@tudelft.nl
Maritime and Materials Engineering,
Process & Energy Department,
Delft University of Technology,
Leeghwaterstraat 39,
Delft 2628 CB, The Netherlands
e-mail: M.Celik@tudelft.nl
1Corresponding author.
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Mrunal Patki,
Mrunal Patki
Process & Energy Department,
Faculty of Mechanical,
Maritime and Materials Engineering,
Delft University of Technology,
Leeghwaterstraat 39,
Delft 2628 CB, The Netherlands
e-mail: Mpatki0705@gmail.com
Faculty of Mechanical,
Maritime and Materials Engineering,
Delft University of Technology,
Leeghwaterstraat 39,
Delft 2628 CB, The Netherlands
e-mail: Mpatki0705@gmail.com
Search for other works by this author on:
Geert Paulussen,
Geert Paulussen
Research & Development,
Tata Steel,
P.O. Box 10000,
Ijmuiden 1970 CA, The Netherlands
e-mail: geert.paulussen@tatasteeleurope.com
Tata Steel,
P.O. Box 10000,
Ijmuiden 1970 CA, The Netherlands
e-mail: geert.paulussen@tatasteeleurope.com
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Wiebren de Jong,
Wiebren de Jong
Process & Energy Department,
Faculty of Mechanical,
Maritime and Materials Engineering,
Delft University of Technology,
Leeghwaterstraat 39,
Delft 2628 CB, The Netherlands
e-mail: Wiebren.deJong@tudelft.nl
Faculty of Mechanical,
Maritime and Materials Engineering,
Delft University of Technology,
Leeghwaterstraat 39,
Delft 2628 CB, The Netherlands
e-mail: Wiebren.deJong@tudelft.nl
Search for other works by this author on:
Bendiks Jan Boersma
Bendiks Jan Boersma
Process & Energy Department,
Faculty of Mechanical,
Maritime and Materials Engineering,
Delft University of Technology,
Leeghwaterstraat 39,
Delft 2628 CB, The Netherlands
e-mail: B.J.Boersma@tudelft.nl
Faculty of Mechanical,
Maritime and Materials Engineering,
Delft University of Technology,
Leeghwaterstraat 39,
Delft 2628 CB, The Netherlands
e-mail: B.J.Boersma@tudelft.nl
Search for other works by this author on:
Metin Celik
Faculty of Mechanical,
Maritime and Materials Engineering,
Process & Energy Department,
Delft University of Technology,
Leeghwaterstraat 39,
Delft 2628 CB, The Netherlands
e-mail: M.Celik@tudelft.nl
Maritime and Materials Engineering,
Process & Energy Department,
Delft University of Technology,
Leeghwaterstraat 39,
Delft 2628 CB, The Netherlands
e-mail: M.Celik@tudelft.nl
Mrunal Patki
Process & Energy Department,
Faculty of Mechanical,
Maritime and Materials Engineering,
Delft University of Technology,
Leeghwaterstraat 39,
Delft 2628 CB, The Netherlands
e-mail: Mpatki0705@gmail.com
Faculty of Mechanical,
Maritime and Materials Engineering,
Delft University of Technology,
Leeghwaterstraat 39,
Delft 2628 CB, The Netherlands
e-mail: Mpatki0705@gmail.com
Geert Paulussen
Research & Development,
Tata Steel,
P.O. Box 10000,
Ijmuiden 1970 CA, The Netherlands
e-mail: geert.paulussen@tatasteeleurope.com
Tata Steel,
P.O. Box 10000,
Ijmuiden 1970 CA, The Netherlands
e-mail: geert.paulussen@tatasteeleurope.com
Wiebren de Jong
Process & Energy Department,
Faculty of Mechanical,
Maritime and Materials Engineering,
Delft University of Technology,
Leeghwaterstraat 39,
Delft 2628 CB, The Netherlands
e-mail: Wiebren.deJong@tudelft.nl
Faculty of Mechanical,
Maritime and Materials Engineering,
Delft University of Technology,
Leeghwaterstraat 39,
Delft 2628 CB, The Netherlands
e-mail: Wiebren.deJong@tudelft.nl
Bendiks Jan Boersma
Process & Energy Department,
Faculty of Mechanical,
Maritime and Materials Engineering,
Delft University of Technology,
Leeghwaterstraat 39,
Delft 2628 CB, The Netherlands
e-mail: B.J.Boersma@tudelft.nl
Faculty of Mechanical,
Maritime and Materials Engineering,
Delft University of Technology,
Leeghwaterstraat 39,
Delft 2628 CB, The Netherlands
e-mail: B.J.Boersma@tudelft.nl
1Corresponding author.
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received August 22, 2018; final manuscript received January 14, 2019; published online July 22, 2019. Assoc. Editor: Luisa Rossetto.
J. Heat Transfer. Sep 2019, 141(9): 091801 (9 pages)
Published Online: July 22, 2019
Article history
Received:
August 22, 2018
Revised:
January 14, 2019
Citation
Celik, M., Patki, M., Paulussen, G., de Jong, W., and Jan Boersma, B. (July 22, 2019). "Dynamic Modeling of the Heat Pipe-Assisted Annealing Line." ASME. J. Heat Transfer. September 2019; 141(9): 091801. https://doi.org/10.1115/1.4042701
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