Resumo
RESULTS & PERSPECTIVES AbstractThe Blast Furnace 1 ArcelorMittal Tubarão, began the first campaign in November 30th, 1983 stopped to reline in April 17th, 2012 with 93.915 Mt accumulated production. During the first campaign, numerous improvements were implemented to increase their longevity but keeping the volume and cost of production. Blast Furnace 1 ArcelorMittal Tubarão is recognized as record holder both in production volume and time of operation for a single campaign for large size blast furnace. During the reline, techniques were used in large blocks reline, which were exchanged all the hearth, shell and top, bringing more technological resources enabling better results during the second campaign. After reline, Blast Furnace 1 keep good results of productivity, Fuel consumption and work index, keeping among the best results of the ArcelorMittal group.
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