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:
Jul. 26, 2016
Filed:
Jun. 01, 2012
Robert Millner, Loosdorf, AT;
Jan-friedemann Plaul, Linz, AT;
Norbert Rein, Vienna, AT;
Gerald Rosenfellner, Ertl, AT;
Robert Millner, Loosdorf, AT;
Jan-Friedemann Plaul, Linz, AT;
Norbert Rein, Vienna, AT;
Gerald Rosenfellner, Ertl, AT;
Abstract
A device for closed-loop control of process gases () in a plant () for producing directly reduced metal ores includes at least one reduction unit (), an appliance upstream of the reduction unit () for separating gas mixtures (), a gas purification appliance () connected downstream of the reduction unit () for rate control of process gases (). Process gases () are obtained by recycling from the production process itself and from a plant for pig iron generation () via a supply conduit (). An open-loop pressure control appliance () upstream of a junction of the supply conduit () into a return conduit () for the process gases () such that a pressure level for the appliance for separating gas mixtures () is kept constant and the process gases () are controlled in a closed-loop manner in a plant for producing directly reduced metal ores ().