Patent · US Expired

Roof for a metallurgical ladle/furnace

US6418157B1 · kind B1 · utility

5Cited by
3References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 20, 2000
Grant dateJul 9, 2002
Priority date
Expiry dateSep 20, 2020

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF27D17/304
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A roof (3) for a metallurgical ladle/furnace (L.A.F) (1) comprising a self-supporting structure of metallic pipework (4) defining at least one flow circuit for cooling water, with a lower end having a circular peripheral flange (A), with a cylindrical body member (c) of smaller diameter than the flange (A) located above the flange (A) (in use away from the ladle/furnace), and is provided with an end wall (14) having a plurality of apertures (14) each to receive, in a gas-tight manner, a carbon electrode (8), and an aperture (5) for fume extraction provided in the arcuate wall (16) of the cylindrical body member.

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