Patent · US Active

Direct reduction apparatus and process

US7824603B2 · kind B2 · utility

0Cited by

2References

23Claims

0Family size

Assignee

Outotec Oyj · FI

Inventors

Andreas Orth · Friedrichsdorf, DE
Heinz Eichberger · Bad Soden, DE
Donald Keith Philp · Fremantle, AU
Rod Dry · Perth, AU

Key dates

Filing date	May 20, 2005
Grant date	Nov 2, 2010
Priority date	—
Expiry date	Oct 22, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P10/134
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

An apparatus for reducing a metalliferous material in a fluidized bed includes a vessel for containing the fluidized bed, a mechanism for supplying the metalliferous material, a solid carbonaceous material, an oxygen-containing gas, and a fluidizing gas into the vessel for forming the fluidized bed in the vessel. The oxygen-containing gas supply mechanism includes one or more than one oxygen-containing gas injection lance having a lance tip with an outlet that is positioned for injecting the oxygen-containing gas in a downward flow into the vessel within a range of plus or minus 40° to the vertical.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.