POSSIBILITIES FOR SAVING ENERGY IN FERROUS METALLURGY Integration of Technological Processes
2016
One of the main factors having a significant effect on fuel and energy saving
in the production of rolled ferrous metals is matching the operation of the
continuous casting machines (CCM) with that of the reheating furnaces so
called “continuous technologies” in the form of “direct rolling” or “hot
charging”. In order to investigate the heat exchange processes, the
opportunities for enhancing the energy efficiency and determining the optimal
parameters of the flat product production process in ferrous metallurgy, some
mathematical models of metal solidification and cooling in a continuous steel
casting machine were determined as well as a mathematical model of metal
heating in the reheating furnaces. For efficient implementation of such
technologies one common algorithm was built on the basis of the individual
mathematical models, representing the continuous casting - rolling mill
complex control technology, dynamically matching the operation of the
individual units to the actual production conditions in on-line mode. The
developed algorithm can be used as part of a system for analyzing the thermal
condition of the blocks at any single moment for the purpose of optimization
of the units’ operation within the whole technological process. As a
conclusion, considering the original developed algorithm, a 21-51% energy
saving was noticed.
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