Energy Optimization of Steel in Electric Arc Furnace

Dora E Ledesma Carrión

doi:10.4172/2229-8711.1000199

Abstract

The aim of this work is to create a representative mathematical model of the process of steelmaking for the quantities of raw materials and energy consumption optimal for producing a ton of steel of the specific composition. The specific steel is grade 1010. The reaction enthalpies are critical in the conceptualization and the percentages of carbon and iron in the steelmaking process. There should be a maximum of FeO in slag and a bounded particle C. chemical reactions electric arc furnace enthalpies linear programming steel-making.

Highlights

Longtime has been passed to optimize the energy of the electric arc furnace (EAF), as Gordon H
Steel production in EAF is adapted as an optimization problem, equations of mass and energy balance with the profit function are coupled to see if the metal load can optimally produce the desired steel (Figure 1)
It is necessary to know where are carried out such reactions, that part of the metallic charge involves and how each contributes

Summary

Introduction

Longtime has been passed to optimize the energy of the electric arc furnace (EAF), as Gordon H. Output energies are steel (including gaseous residues), slag and thermal losses It should take into account the thermal and electrical efficiencies in the process. Chemical processes of raw materials such as scrap, direct reduced iron (DRI), coke, ferro-alloys, the desired composition of steel and slag; 2. The outputs are, per ton of steel, the specific energy consumption (electricity, gas, rubber, coke, etc.), optimum amount of raw materials, oxygen and chemical composition. (40) Geiger [1] since his scheme breaks the balance in assuming that the sum of the thermal and electrical energies are those that produce steel in the DRI. The cost function explicitly considers only variables associated with the process and raw materials This is the price that has been paid by forcing optimization to obtain, from the chemical composition, the desired steel under the constraint of energy consumption

Xj scr1

Results

C FeMn Total Slag FeO SiO2 Al2O3 CaO MgO

Analysis and Discussion

Conclusions