Global Patent Index - EP 0166019 B1

EP 0166019 B1 19881012 - METHOD FOR DESULFURIZING PIG IRON

Title (en)

METHOD FOR DESULFURIZING PIG IRON

Publication

EP 0166019 B1 19881012 (DE)

Application

EP 84107487 A 19840628

Priority

EP 84107487 A 19840628

Abstract (en)

[origin: US4586955A] The invention relates to a process for desulphurizing hot metal in a ladle, in particular in a torpedo ladle, wherein first aluminum and then, by means of a carrier gas, lime (CaO) are blown into the hot metal. The characterizing feature of the invention is that at a rate of 2-20 liters (S.T.P.) of carrier gas/kg of desulphurizing agent, a solid which evolves a gas in the hot metal is blown in together with the lime.

IPC 1-7

C21C 1/02

IPC 8 full level

C21C 1/02 (2006.01); C21C 7/064 (2006.01)

CPC (source: EP US)

C21C 1/02 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE DE FR GB IT LU NL SE

DOCDB simple family (publication)

EP 0166019 A1 19860102; EP 0166019 B1 19881012; AT E37902 T1 19881015; AU 4424485 A 19860102; AU 570805 B2 19880324; CA 1239022 A 19880712; CN 1003308 B 19890215; CN 85104955 A 19870107; DE 3474568 D1 19881117; US 4586955 A 19860506

DOCDB simple family (application)

EP 84107487 A 19840628; AT 84107487 T 19840628; AU 4424485 A 19850627; CA 485473 A 19850627; CN 85104955 A 19850628; DE 3474568 T 19840628; US 74385485 A 19850612