Per: FILIPE SOARES PONTES (APERAM), aNDRE MENDES CARNEIRO LYRIO (APERAM), Guilherme Ribeiro do Espírito Santo (aperam), José Geraldo da Silveira (aperam), Péricles Guimarães Oliveira Aguiar (aperam), Luiz José Gonçalves (autonomo), Raylander Rocha Pessoa (aperam), Sebastião Moraes Miranda (aperam)
Abstract:
This work aims to present the origin of the hearth project of blast furnace 2 in addition to the planning, implementation and results obtained in the Blast Furnace 2 of Aperam South America after the reform. The research and development work started in 2012 after the first chilling hearth with consequent reduction of bottom hearth temperatures. Several meetings, discussions and seminar on blast furnace were carried out with specialists from various companies. The change of reductor from charcoal to coke for six months served to prove part of the theory built by the reduction team. To finally culminate in the concept behind the BF2 problem and then the new design of the hearth that was proposed and implemented in the reform initiated in December 2017. After its implementation, as theorized by the team, a new range of results and threshold were reached