New Technologies and Approaches to Improve Efficiency for Reheating Furnaces & Processing Lines

by Michel Boyer, Ludovic Ferrand

Publisher - CMI Industry, Seraing, Belgium & CMI Environment, Guyancourt, France. CMI Industry, Seraing, Belgium & CMI Environment, Guyancourt, France.

Category - Engineering & IT

In today’s competitive steel market, the improvement of existing production equipment such as reheating furnaces or processing lines increases profitability thanks to higher quality, higher production and better energy efficiency. Global optimum is not necessarily the optimum of each aspect, but one must take into account all these aspects. In this paper we will focus on several new features to improve efficiency such as: - New reheating furnace concept, - Exclusive patented R-TOP 3D reheat furnace mathematical model to improve productivity and to reduce specific consumption thanks to unique real-time 3D calculation of temperature of all products in the furnace and optimization of discharging temperature according to metal composition - Demonstration on how new technologies can improve NOF (Non Oxidizing Furnaces) energy efficiency from 50-60% up to 75-85% with regenerative solutions - Global efficiency improvement thanks to heat recovery solutions in jet cooling sections of processing lines - New features in the well-known patented L-TOP® line process model to increase productivity & reduce specific consumption during transient phases Approaches and methodology to guarantee successful modernizations will be detailed and illustrated by case studies. In today’s competitive steel market, the improvement of existing production equipment such as reheating furnaces or processing lines increases profitability thanks to higher quality, higher production and better energy efficiency. Global optimum is not necessarily the optimum of each aspect, but one must take into account all these aspects. In this paper we will focus on several new features to improve efficiency such as: - New reheating furnace concept, - Exclusive patented R-TOP 3D reheat furnace mathematical model to improve productivity and to reduce specific consumption thanks to unique real-time 3D calculation of temperature of all products in the furnace and optimization of discharging temperature according to metal composition - Demonstration on how new technologies can improve NOF (Non Oxidizing Furnaces) energy efficiency from 50-60% up to 75-85% with regenerative solutions - Global efficiency improvement thanks to heat recovery solutions in jet cooling sections of processing lines - New features in the well-known patented L-TOP® line process model to increase productivity & reduce specific consumption during transient phases Approaches and methodology to guarantee successful modernizations will be detailed and illustrated by case studies.

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