Patent · US Expired

Process for producing sintered iron ore having high reducibility

US4317676A · kind A · utility

2Cited by
6References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 20, 1979
Grant dateMar 2, 1982
Priority date
Expiry dateNov 20, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC22B1/20
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

This invention relates to an improvement of the process for producing sintered iron ore with a Dwight-Lloyd machine, and it provides a process for producing sintered ore with high reducibility by sintering a raw material mix of a moisture content between 4.5 and 8.0% on the pallets of said machine, which comprises drying the surface layer of said mix on the pallets to discharge 3 to 25%, preferably 5 to 20%, of the moisture content of the mix from the sintering system, and thereafter igniting the surface layer of the mix to sinter the same with air or gas sucked downward.

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