Patent · US Expired

Process for avoiding formation of smoke and flames in bottom blown converters

US3972708A · kind A · utility

6Cited by
3References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 11, 1974
Grant dateAug 3, 1976
Priority date
Expiry dateSep 11, 1994

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P10/25
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

This disclosure teaches a process for avoiding formation of smoke and flames in bottom blown converters upon charging of scrap and pig iron, deslagging and casting. Inert gas, preferably nitrogen, is blown into the converter vessel through bottom tuyeres both during introduction of the scrap and pig iron in a tipped position of the vessel and in the vessels erected position.

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