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公开(公告)号：US11384986B2
公开(公告)日：2022-07-12
申请号：US16499708
申请日：2018-01-22
Applicant: Hatch Ltd.
Inventor： Dong Shen , Michael Morgan Campbell , Steven Robert Hawthorne
Abstract: A system measures parameters of the electricity drawn by an arc furnace and, based on an analysis of the parameters, provides indicators of whether arc coverage has been optimized. Factors related to optimization of arc coverage include electrode position, charge level, slag level and slag behaviour. More specifically, such indicators of whether arc coverage has been optimized may be used when determining a position for the electrode such that, to an extent possible, a stable arc cavity is maintained and an open arc condition is avoided. Conveniently, by avoiding open arc conditions, the internal linings of the furnace walls and roof may be protected from excessive wear and tear.
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