Abstract
From a global point of view, advocating EAF steelmaking means reducing the consumption of resources like iron ores, coke, water and so on and on the same time cutting down the emission of carbon dioxide and residue, which is good for the environment and corresponding to Sustainable Development Strategy. We hold that considering the shortage of electric power and scrap steel in our country, the application direction of EAF steelmaking should be manufacture of quality steel with high additional value and reducing operation cost by shortening smelting period. This paper, aimed at NISCO, GISE-ZIS and AISG who take shortening smelting period as the core subject, hot metal charging technology in EAF and coherent oxygen lance technology as effective technical measures, optimizing process flow, improving product quality and reducing operation cost as purpose; investigates their experience in developing modern EAF steelmaking technology.
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