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:
Feb. 22, 2005
Filed:
Apr. 20, 2001
Leopold Werner Kepplinger, Leonding, AT;
Herbert Mizelli, Micheldorf, AT;
Johann Wurm, Bad Zell, AT;
Leopold Werner Kepplinger, Leonding, AT;
Herbert Mizelli, Micheldorf, AT;
Johann Wurm, Bad Zell, AT;
Abstract
The invention relates to a process for producing pig iron or liquid primary steel products in a blast furnace, CObeing substantially removed from at least a partial stream of a top gas emerging from a reduction shaft furnace (), and this partial stream if appropriate being heated and being introduced into the blast furnace as reduction gas, and to a plant for carrying out this process, the top gas being introduced into the lower region of the blast-furnace shaft. This measure results in an improved energy balance and improved process management compared to the prior art.