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. 13, 1982
Filed:
May. 22, 1980
Applicant:
Inventor:
Manfred Driemeyer, Issum, DE;
Assignee:
Mannesmann DeMag AG, Duisburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27B / ; F27B / ;
U.S. Cl.
CPC ...
266155 ; 266156 ; 266182 ; 373 80 ;
Abstract
An apparatus for the manufacture of steel by direct reduction of iron ore dust comprises a single reactor vessel and a tubular reduction dust extending into the vessel to a point closely adjacent to the bottom of the vessel. The reactor vessel is provided with a source of reducing gas containing a monoxide and a predominant amount of H.sub.2. Heating mechanisms for the reduction dust, the iron ore dust, the source of reducing gas and the vessel are provided. The apparatus also includes a mechanism for the recycling of heat and the components of the waste gases of the reactor vessel.