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. 14, 2002
Filed:
Oct. 10, 2000
Peter Damian Burke, Winthrop, AU;
Technological Resources Pty Ltd, Melbourne, AU;
Abstract
A procedure for holding production of molten metal in a direct smelting process is disclosed. In situations where it is necessary to hold metal production and there is a continuing available supply of oxygen-containing gas and solid carbonaceous material, the hold procedure includes the steps of stopping supply of metalliferous feed material, continuing to inject oxygen-containing gas and solid carbonaceous material into the vessel and generating heat within the vessel to maintain the temperature of the molten bath above a temperature at which the bath freezes. In situations where it is necessary to hold production and there is a continuing supply of oxygen-containing gas but no available solid carbonaceous material, the hold procedure includes the steps of stopping supply of metalliferous feed material and injecting oxygen-containing gas and gaseous or liquid combustible material into the vessel and generating heat within the vessel to maintain the bath temperature.