The oxygen/carbon/lime module injection technology at Nunki Steel (Italy) EAF
- 作者：Romano CeleghinAntonio AizzaManuel Medeot
- 会议时间：2013-06-01
- 关键词：chemical energy package ; oxy-fuel burners ; supersonic oxygen injection ; carbon injection ; lime and aluminum injection
- 作者单位：Romano Celeghin,Antonio Aizza(Nunki Steel S. p. A.)Manuel Medeot(MORE srl)
- 母体文献：第五届宝钢学术年会论文集
- 会议名称：第五届宝钢学术年会
- 会议地点：上海
- 主办单位：中国金属学会
- 语种：chi
摘要
Nunki Steel is part of the G.I.V.A.group,one of the largest companies in the sector of forging and steel working production in Italy.The meltshop is located in San Giorgio di Nogaro ( Udine,Italy) and operates an AC spout electric arc furnace;tapping weight is 80 tons and the melting transformer is rated 60 MVA.In August 2011,a Module Injection Technology was installed on the EAF.MORE supply included : two M-One combined burner/supersonic oxygen/carbon injectors,one combined burner/lime injector,one Hi_JET combined burner/aluminum injector,one automatic sampling and measuring lance manipulator,two carbon dispensers,one lime dispenser,one aluminum dispenser,oxygen and natural gas valve trains,automation system and an intelligent Human Machine Interface to manage and supervise the melting process.Being a melt shop facility with a high diversity of special steel grades to produce,from low to high carbon products and stainless steel grades,the use of the chemical energy package presented to be a challenge in obtaining the desired result of higher productivity performance together with the right liquid steel chemistry and metallurgical requirements.This paper describes the installation of the Module Technology with the innovative ' M - One ' and ' Hi_JET ' multifunctional injectors and the results obtained with the fix injection technology.