Method of treatment of liquid steel under vacuum
Abstract
Abstract A METHOD OF DE-GASIFICATION OF STEEL IN FUSION POURED INTO A CASTING LADLE IN WHICH ARE IMMERSED THE LOWER EXTREMITIES OF TWO VERTICAL REFRACTORY PIPES, THE UPPER PARTS OF WHICH OPEN INTO THE BOTTOM OF A VACUUM-TIGHT REFRACTORY CHAMBER, THE ONE IN THE PROXIMITY OF ITS CENTER AND THE OTHER INTO ITS PERIPHERAL PORTION, A CONSTANT VACUUM ENSURING THE RISE OF THE STEEL BATH AND ITS STABILIZATION AT A PRE-DETERMINED HEIGHT BEING MAINTAINED IN SAID CHAMBER, THE STEEL BEING HEATED BY INDUCTION, A CIRCULATION OF THE LIQUID STEEL THROUGH THE PIPES BETWEEN THE LADLE AND THE CHAMBER BEING EFFECTED BY MEANS OF AN INDUCTOR WINDING SURROUNDING THE CHAMBER AND FOR A PERIOD SUFFICIENT FOR THE DESIRED DEGREE OF PURIFICATION UNDER VACUUM TO BE OBTAINED.
Inventors
- 👤 J Pomey
Bibliographic Details
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| 7.5 Years (Year 8) | 1980-06-04 | 1980-12-04 | 1981-06-05 | $3760.00 | Window Closed / Lapsed |
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