Patent · US Expired

Cooling box for shaft furnaces

US4245982A · kind A · utility

6Cited by
2References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 4, 1979
Grant dateJan 20, 1981
Priority date
Expiry dateJun 4, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC21B7/10
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The refractory lining of a shaft furnace is cooled by means of a cooling box, which extends into the lining through the furnace shell, having a pair of separately fed coolant flow paths formed therein. A first coolant circuit extends along the side walls of the cooling box and through the nose portion thereof while the second coolant circuit has a first portion which extends along the side walls adjacent the first circuit and a second portion which is disposed toward the center of the cooling box with respect to both the first cooling circuit and the first portion of the second cooling circuit.

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