Patent · US Expired

Flash smelting furnace

US4798532A · kind A · utility

10Cited by
8References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 26, 1987
Grant dateJan 17, 1989
Priority date
Expiry dateOct 26, 2007

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF27D3/18
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A flash smelting furnace which comprises a reaction shaft, a concentrate combustion device disposed at the top of the furnace shaft, a settler disposed with one end thereof connected to the lower part of the reaction shaft, an uptake disposed as connected to the other end of the settler and at least one lance pipe extending through the ceiling of the settler between the reaction shaft and the uptake and adapted to blow at least powdery raw materials and a reaction gas into the melt inside the settler.

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