Patent · US Expired

D.C. furnace with a hearth electrode, hearth electrode and electrode block, as well as process for operating said furnace

US5371759A · kind A · utility

5Cited by

7References

15Claims

0Family size

Assignee

Kortec, Inc. · US

Inventors

William Wells · Charlotte, US
Emil Elsner · Baden-Baden, DE

Key dates

Filing date	Aug 10, 1993
Grant date	Dec 6, 1994
Priority date	—
Expiry date	Aug 10, 2013

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P10/20
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

For the purposes of better cooling and improving the starting conditions of a direct current arc furnace, there is provided a hearth electrode which comprises at least one metal bar passing through the hearth wall and which is cooled by at least one cooling duct which extends along the metal bar to the inner end thereof and opens into the interior of the furnace.

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