Patent · US Expired

Submerged arc furnace with vertically movable frame

US5729569A · kind A · utility

0Cited by

10References

11Claims

0Family size

Assignee

Mannesmann AG · DE

Inventors

Luciano Ambrosi · Moers, DE
Franz Schulze-Hagen · Dinslaken, DE
Hermann Cepin · Duisburg, DE

Key dates

Filing date	Jul 11, 1996
Grant date	Mar 17, 1998
Priority date	—
Expiry date	Jul 11, 2016

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P10/20
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A submerged arc furnace with an open slag bath, having a vertically movable frame which is arranged above the furnace which is closed by a cover. An electrode mount and an electrode filling device are arranged on the frame. A platform is provided on which the frame is supported via at least three regulating cylinders. The platform, which is arranged above the furnace cover, is configured as a maintenance platform on which, for each electrode, there is provided a sealing unit which has components for the horizontal and vertical sealing of the free surfaces between the electrodes and the electrode passage openings of the cover.

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