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Technical note: The heat treatment plant as an energy system

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Journal of Heat Treating

Abstract

Heat treatment is one of the most energy intensive operations in the engineering industry. Heat treatment plants are complex energy systems with continuous and batch processes and dependencies between processes. Development of new technology and varying energy prices makes it difficult to decide how to invest and schedule the production to reach at the lowest possible system cost.

Here a model of the heat treatment plant energy system is built by the use of mixed integer linear programming to find the combination of decisions giving the minimum cost for the system over a given time period.

To present the modelling technique, a set of production processes in a heat treatment plant and its development during a five year period is used. The decisions and measures giving the lowest total cost are shown. If an investment in a new furnace is postponed or the production schedule is changed, the total cost is given by the alternative (close to optimum) solutions.

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References

  1. M. Söderström.Energy use in Heat Treatment—Pos-sibilities for Improvement. Linköping Institute of Technology. LiTH-IKP-R-334. 1984. (In Swedish).

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Authors and Affiliations

  1. Division of Energy Systems, Department of Mechanical Engineering, Linköping Institute of Technology, S-581 83, Linköping, Sweden

    M. F. Söderström & A. Lewald

Authors
  1. M. F. Söderström
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  2. A. Lewald
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Söderström, M.F., Lewald, A. Technical note: The heat treatment plant as an energy system. J. Heat Treating 7, 123–128 (1989). https://doi.org/10.1007/BF02833196

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  • DOI: https://doi.org/10.1007/BF02833196

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