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:
Apr. 10, 2001
Filed:
Jan. 14, 2000
Applicant:
Inventors:
Ernst Eichberger, Pichl bei Wels, AT;
Wilhelm Stastny, Alberndorf, AT;
Assignee:
Deutsche Voest-Alpine Industrieanlagenbau GmbH, Dusseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21B 7/14 ;
U.S. Cl.
CPC ...
C21B 7/14 ;
Abstract
The invention relates to a shaft furnace (,), particularly to a direct-reduction shaft furnace, with a bed (,) of lumpy material, particularly lumpy material containing iron oxide and/or sponge iron, with discharge devices (,) for lumpy material which are located above the bottom area (,) of the shaft furnace (,), as well as with inlet ports (,) for a reduction gas which are arranged above the discharge devices (,). Arrangements (,) for moving the material in the shaft furnace (,) are located between the area formed by the inlet ports (,) and that formed by the discharge devices (,).