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.
Patent No.:
Date of Patent:
May. 07, 2019
Filed:
Nov. 30, 2016
Applicant:
Tata Steel Limited, Mumbai, IN;
Inventors:
Rodney James Dry, City Beach, AU;
Jacques Pilote, Woodlands, AU;
Assignee:
Tata Steel Limited, Mumbai, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/12 (2006.01); C21B 13/00 (2006.01); C21B 11/08 (2006.01); C22C 33/04 (2006.01); C21B 3/04 (2006.01); C21C 5/54 (2006.01); C03C 3/062 (2006.01);
U.S. Cl.
CPC ...
C22C 38/12 (2013.01); C03C 3/062 (2013.01); C21B 3/04 (2013.01); C21B 11/08 (2013.01); C21B 13/0006 (2013.01); C21B 13/0013 (2013.01); C21C 5/54 (2013.01); C22C 33/04 (2013.01); Y02P 10/136 (2015.11); Y02P 10/216 (2015.11);
Abstract
A molten bath-based direct smelting process comprises controlling the process conditions in a direct smelting vessel so that molten slag in a molten bath of metal and slag in the vessel has a viscosity in a range of 0.5-5 poise when the slag temperature is in the range of 1400-1550° C. in the molten bath in the vessel.