CA974057A - Double delivery lance for refining the steel in the converter processes - Google Patents

Double delivery lance for refining the steel in the converter processes

Info

Publication number
CA974057A
CA974057A CA114,637A CA114637A CA974057A CA 974057 A CA974057 A CA 974057A CA 114637 A CA114637 A CA 114637A CA 974057 A CA974057 A CA 974057A
Authority
CA
Canada
Prior art keywords
refining
steel
converter processes
double delivery
delivery lance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA114,637A
Other languages
English (en)
Other versions
CA114637S (en
Inventor
Aldo Ramacciotti
Alberto Praitoni
Bruno Imberti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Centro Sperimentale Metallurgico SpA
Original Assignee
Centro Sperimentale Metallurgico SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Centro Sperimentale Metallurgico SpA filed Critical Centro Sperimentale Metallurgico SpA
Application granted granted Critical
Publication of CA974057A publication Critical patent/CA974057A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4606—Lances or injectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
CA114,637A 1970-07-01 1971-06-02 Double delivery lance for refining the steel in the converter processes Expired CA974057A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT5183870 1970-07-01

Publications (1)

Publication Number Publication Date
CA974057A true CA974057A (en) 1975-09-09

Family

ID=11275816

Family Applications (1)

Application Number Title Priority Date Filing Date
CA114,637A Expired CA974057A (en) 1970-07-01 1971-06-02 Double delivery lance for refining the steel in the converter processes

Country Status (12)

Country Link
US (1) US3730505A (fr)
JP (1) JPS523322B1 (fr)
AT (1) AT334935B (fr)
BE (1) BE769142A (fr)
CA (1) CA974057A (fr)
DE (1) DE2131345A1 (fr)
ES (1) ES392685A1 (fr)
FR (1) FR2097098B1 (fr)
GB (1) GB1349069A (fr)
LU (1) LU63398A1 (fr)
NL (1) NL7109012A (fr)
ZA (1) ZA713585B (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4230274A (en) * 1978-07-10 1980-10-28 Pullman Berry Company Lance for removing skulls from steelmaking vessels
US4322033A (en) * 1978-07-10 1982-03-30 Pullman Berry Company Lance and method for removing skulls from steelmaking vessels
JPS5816013A (ja) * 1981-07-17 1983-01-29 Kawasaki Steel Corp 上底吹転炉の操業方法および上底吹転炉操業用上吹ランス
NL8104474A (nl) * 1981-10-01 1983-05-02 Estel Hoogovens Bv Vloeistofgekoelde lans voor het blazen van zuurstof op een staalbad.
NL8201269A (nl) * 1982-03-26 1983-10-17 Hoogovens Groep Bv Werkwijze voor het vervaardigen van staal in een converter uitgaande van ruwijzer en schrot.
DE3231867A1 (de) * 1982-08-27 1984-03-01 Saar-Metallwerke GmbH, 6600 Saarbrücken Zweikreislanze zum frischen von metallschmelzen
LU84433A1 (fr) * 1982-10-22 1984-05-10 Mecan Arbed Dommeldange S A R Dispositif pour fournir des matieres gazeuses et solides a un bain de metal en voie d'affinage
NL8400393A (nl) * 1984-02-08 1985-09-02 Hoogovens Groep Bv Vloeistofgekoelde lans voor het blazen van zuurstof op een staalbad.
AU640955B2 (en) * 1989-09-29 1993-09-09 Ausmelt Pty Ltd Top submerged injection with a shrouded lance
CA2066455C (fr) * 1989-09-29 1995-12-19 John Millace Floyd Dispositif de soufflage par immersion d'une lance protegee
IN181041B (fr) * 1991-09-20 1998-04-18 Ausmelt Ltd
US5865876A (en) * 1995-06-07 1999-02-02 Ltv Steel Company, Inc. Multipurpose lance
BE1009743A3 (fr) * 1995-06-23 1997-07-01 Thomas Jacques Tuyere de soufflage a oxygene siderurgique.
DE19543960C2 (de) * 1995-11-25 2000-04-06 Driam Metallprodukt Gmbh & Co Sprüharm für eine Beschichtungsvorrichtung
US5830259A (en) * 1996-06-25 1998-11-03 Ltv Steel Company, Inc. Preventing skull accumulation on a steelmaking lance
BRPI0510988A (pt) * 2004-05-14 2007-12-04 Boc Group Inc refino de metal em fusão
WO2013000017A1 (fr) 2011-06-30 2013-01-03 Outotec Oyj Lances d'injection immergées par le haut
CA2844098C (fr) 2011-09-02 2016-01-05 Outotec Oyj Lances permettant une injection submergee par le haut
EP2786083B1 (fr) 2011-11-30 2016-05-18 Outotec Oyj Lances refroidies par un fluide pour injection immergée par le haut
AU2013204818B2 (en) 2013-04-12 2015-02-19 Metso Metals Oy Molten bath temperature measurement for a top submerged lance injection installation
WO2015056142A1 (fr) 2013-10-16 2015-04-23 Outotec (Finland) Oy Lance d'injection submergée par le haut pour un transfert de chaleur augmenté
PL3058109T3 (pl) 2013-10-16 2017-08-31 Outotec (Finland) Oy Lanca zanurzeniowa do wdmuchiwania od góry do wspomaganego spalania pod powierzchnią cieczy
WO2022074428A1 (fr) * 2020-10-06 2022-04-14 Arcelormittal Lance pour souffler de l'oxygène dans l'élaboration de l'acier

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1317735A (fr) * 1963-05-08
US3309195A (en) * 1965-05-05 1967-03-14 Leland H Hutton Method of delivering oxygen to basic oxygen furnaces, and oxygen lances therefor
CH469943A (de) * 1967-03-21 1969-03-15 Nova Hut Klementa Gottwalda Na Düse zum Verbrennen von flüssigen Brennstoffen oder zum Einblasen von Oxydationsgas in Hüttenöfen
US3488044A (en) * 1967-05-01 1970-01-06 Nat Steel Corp Apparatus for refining metal
CH496095A (de) * 1968-02-21 1970-09-15 Vitkovice Zelezarny Blasdüse für Stahl-Herdöfen, insbesondere Tandemöfen

Also Published As

Publication number Publication date
NL7109012A (fr) 1972-01-04
LU63398A1 (fr) 1971-09-22
FR2097098A1 (fr) 1972-03-03
BE769142A (fr) 1971-11-03
FR2097098B1 (fr) 1974-05-31
JPS523322B1 (fr) 1977-01-27
AT334935B (de) 1977-02-10
DE2131345A1 (de) 1972-01-13
US3730505A (en) 1973-05-01
ATA570971A (de) 1976-06-15
GB1349069A (en) 1974-03-27
ZA713585B (en) 1972-01-26
ES392685A1 (es) 1973-08-01

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