Numerical Simulation of the Flow of Gases in a Large-Scale Electroslag Furnace

Abstract

This paper reports a CFD modeling study on the flow of gases in an electroslag furnace during Protective Gas Electroslag Remelting(PESR) process by a commercial code FLUENT. The Realizable k−ε turbulence model, Do radiation model and Mixture model are amply used in FLUENT code to compute the flow of gases in the furnace under different argon gas flow, and the influence of argon gas flow on air volume fraction in the furnace is obtained. Finally, a suited suggestion on argon gas flow during PESR process is presented.

Flow Field Study of Large Bottom-Blown Lead Smelting Furnace with Numerical Simulation

“…Due to the invisibility and high temperature of the molten pool melting process, numerical and physical simulations are two effective alternative research methods [10][11][12][13][14][15]. With the development of computer technology and the improvement of theory related to computational fluid dynamics (CFD), the application of numerical simulation technology in the field of metallurgical multiphase flow is becoming more and more widespread, which also provides technical support for the study of large bottomblowing furnaces [16][17][18][19][20][21][22][23].…”

Optimization Design for Structure of a Shroud Base on Fluent

“…Electroslag remelting (ESR) is an advanced metallurgical process for the production of high quality tool steels with outstanding technical and material properties [1]. However conventional ESR process is in open system, molten metals react quickly with the surrounding atmosphere, water vapour and oxygen in the air dissolve oxygen and hydrogen into the metal and cause increase of hydrogen and oxygen content in the ingots [2][3]. Hydrogen and oxygen are extremely harmful gases in metal materials, which can lead to white dot and increase of inclusions in steel, requiring degassing to obtain high-quality ingots [4][5][6].…”