EP 1062369 A1 20001227 - METHOD FOR PRODUCING LIQUID PIG IRON AND/OR STEEL BLANKS
Title (en)
METHOD FOR PRODUCING LIQUID PIG IRON AND/OR STEEL BLANKS
Title (de)
VERFAHREN ZUR HERSTELLUNG VON FLÜSSIGEM ROHEISEN UND/ODER STAHLVORPRODUKTEN
Title (fr)
PROCEDE POUR LA PRODUCTION DE FONTE LIQUIDE ET/OU D'EBAUCHES D'ACIER
Publication
Application
Priority
- AT 43698 A 19980311
- EP 9901248 W 19990226
Abstract (en)
[origin: WO9946411A1] The invention relates to a method for producing liquid pig iron and/or steel blanks from materials containing iron oxide and optionally additives, preferably in the form of pieces and/or pellets. The feedstocks used are reduced to metallized iron ore in a reduction zone. The metallized iron ore is melted in a melt-down gasification zone with the addition of dried solid carbon carriers and oxygen-containing gases. A reduction gas containing CO and H2 is produced and fed into the reduction zone where it is reacted, drained off as top gas, gas washed and optionally supplied to a consumer as an export gas. Before it is washed, the top gas which is drained off from the reduction zone undergoes heat exchange with a heat exchanging fluid using all of its sensible heat. Solid carbon carriers (which are provided in order to be fed into the melt-down gasification zone) are dried with the warmed up heat exchanging fluid. The invention also relates to a system for carrying out the inventive method.
IPC 1-7
IPC 8 full level
C21B 13/14 (2006.01)
CPC (source: EP KR)
C21B 13/002 (2013.01 - EP); C21B 13/14 (2013.01 - EP KR); C21B 2100/44 (2017.04 - EP); C21B 2100/64 (2017.04 - EP); C21B 2100/66 (2017.04 - EP); Y02P 10/122 (2015.11 - EP); Y02P 10/134 (2015.11 - EP)
Citation (search report)
See references of WO 9946411A1
Designated contracting state (EPC)
DE GB IT LU
DOCDB simple family (publication)
WO 9946411 A1 19990916; AT 406964 B 20001127; AT A43698 A 20000315; AU 3254199 A 19990927; BR 9908629 A 20001205; CA 2322507 A1 19990916; CN 1292830 A 20010425; EP 1062369 A1 20001227; JP 2002506123 A 20020226; KR 20010041710 A 20010525; PL 342950 A1 20010716; TW 490489 B 20020611; ZA 991939 B 19990927
DOCDB simple family (application)
EP 9901248 W 19990226; AT 43698 A 19980311; AU 3254199 A 19990226; BR 9908629 A 19990226; CA 2322507 A 19990226; CN 99803844 A 19990226; EP 99939141 A 19990226; JP 2000535777 A 19990226; KR 20007009933 A 20000907; PL 34295099 A 19990226; TW 88103394 A 19990305; ZA 991939 A 19990310