Patent · US Expired

Plant for refining pig iron

US4212453A · kind A · utility

1Cited by

5References

4Claims

0Family size

Assignee

Voest-Alpine · AT

Inventors

Friedrich Laimer · Ansfelden, AT
Herbert Herrmann · Obertshausen, DE

Key dates

Filing date	Feb 2, 1978
Grant date	Jul 15, 1980
Priority date	—
Expiry date	Feb 2, 1998

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P10/25
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A plant for refining pig iron by means of oxygen or gases enriched with oxygen has a chamber accommodating a converter and having an upper part, a lower part, a ceiling, a principal hood connected to the ceiling, a closeable charge opening, and a secondary hood provided in the upper part of the chamber, with this chamber the principal hood forms a displaceable unit with a part of the ceiling surrounding it, the secondary hood is united with a stationary part of the ceiling, and the charge opening is closeable by a sliding door guided on rails.

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