The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 19, 2022

Filed:

Dec. 02, 2016
Applicants:

Tenova S.p.a., Milan, IT;

Tenova Industrial Technologies (Beijing) Co., Ltd, Beijing, CN;

Inventors:

Silvio Maria Reali, Milan, IT;

Cesare Giavani, Milan, IT;

Giuseppino Virgili, San Fermo Della Battaglia, IT;

Cristian Cattalini, Milan, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D 1/00 (2006.01); F27D 1/02 (2006.01); F27D 3/00 (2006.01); F27D 11/10 (2006.01); C21B 11/10 (2006.01); C21C 5/52 (2006.01); C21C 5/54 (2006.01); F27B 14/02 (2006.01); F27B 14/06 (2006.01); F27D 3/14 (2006.01); F27D 3/15 (2006.01); H05B 7/144 (2006.01); H05B 7/20 (2006.01);
U.S. Cl.
CPC ...
F27D 11/10 (2013.01); C21B 11/10 (2013.01); C21C 5/527 (2013.01); C21C 5/5217 (2013.01); C21C 5/54 (2013.01); F27B 14/02 (2013.01); F27B 14/06 (2013.01); F27D 1/025 (2013.01); F27D 3/0025 (2013.01); F27D 3/14 (2013.01); F27D 3/1554 (2013.01); H05B 7/144 (2013.01); H05B 7/20 (2013.01);
Abstract

A metallurgical furnace including a vessel with a lower shell for containing a metal bath, the metal bath composed of molten metal and an overlying layer of slag. The lower shell is tiltingly supported and provided with a deslagging opening for evacuating the slag and a tapping opening for tapping the molten metal. The vessel includes an upper shell removably positioned on the lower shell and first and second inlet openings for feeding. The vessel includes a closing roof for the upper closing of the vessel removably positioned on the upper shell and a passage opening for the passage, through the same, of at least one electrode, at least one charge opening for feeding, through the same, charge material in the solid state. At least one of the inlet openings, passage opening, and charge opening is closed or associated with a closing element.


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