IT1077957B - Lancia per la desolforazione di ghisa o di acciaio - Google Patents

Lancia per la desolforazione di ghisa o di acciaio

Info

Publication number
IT1077957B
IT1077957B IT47559/77A IT4755977A IT1077957B IT 1077957 B IT1077957 B IT 1077957B IT 47559/77 A IT47559/77 A IT 47559/77A IT 4755977 A IT4755977 A IT 4755977A IT 1077957 B IT1077957 B IT 1077957B
Authority
IT
Italy
Prior art keywords
desulfuration
lance
steel
cast iron
cast
Prior art date
Application number
IT47559/77A
Other languages
English (en)
Original Assignee
Desaar Rene
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
Priority claimed from BE6045320A external-priority patent/BE837384A/fr
Application filed by Desaar Rene filed Critical Desaar Rene
Application granted granted Critical
Publication of IT1077957B publication Critical patent/IT1077957B/it

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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • 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
    • 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
    • C21C5/4613—Refractory coated lances; Immersion lances
    • 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
    • C21C5/462—Means for handling, e.g. adjusting, changing, coupling
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Manufacture And Refinement Of Metals (AREA)
IT47559/77A 1976-01-07 1977-01-07 Lancia per la desolforazione di ghisa o di acciaio IT1077957B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE6045320A BE837384A (fr) 1976-01-07 1976-01-07 Lance de desulfuration de fonte en poche
BE6045792A BE849582R (fr) 1976-01-07 1976-12-17 Lance de desulfuration de fonte en poche

Publications (1)

Publication Number Publication Date
IT1077957B true IT1077957B (it) 1985-05-08

Family

ID=25662112

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47559/77A IT1077957B (it) 1976-01-07 1977-01-07 Lancia per la desolforazione di ghisa o di acciaio

Country Status (12)

Country Link
US (1) US4097030A (it)
JP (1) JPS601361B2 (it)
AT (1) AT369432B (it)
BE (1) BE849582R (it)
BR (1) BR7700060A (it)
CA (1) CA1105255A (it)
DE (1) DE2659735C2 (it)
ES (1) ES454771A1 (it)
IT (1) IT1077957B (it)
LU (1) LU76524A1 (it)
NL (1) NL183591C (it)
SE (1) SE438869B (it)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1600368A (en) * 1977-08-24 1981-10-14 Stein Refractories Metallurgical immersion blowing lances
DE2855903A1 (de) * 1978-12-23 1980-07-10 Krupp Gmbh Blaslanze zum einbringen von stoffen in schmelzbaeder
DE3041995C2 (de) * 1980-11-07 1982-10-21 Krupp Stahl Ag, 4630 Bochum Tauchlanze für den Stahlwerksbetrieb
US4405363A (en) * 1982-04-12 1983-09-20 Scandinavian Lancers Aktiebolag Method for refining of steel melts
JPS58168554U (ja) * 1982-04-30 1983-11-10 日本鋼管株式会社 溶銑予備処理用フラツクスの吹込用ノズル
DE3423192A1 (de) * 1984-06-22 1986-01-02 Krupp Polysius Ag, 4720 Beckum Tauchlanze
DE3437810A1 (de) * 1984-10-16 1986-04-24 Kortec AG, Zug Verschlusseinrichtung fuer eine abstichoeffnung im boden eines metallurgischen gefaesses
DE3508618A1 (de) * 1985-03-29 1986-09-18 Vasipari Kutató és Fejlesztö Vállalat, Budapest Blaslanze zur behandlung von metallschmelzen in huettenwerksanlagen
EP0336050A1 (fr) * 1988-04-08 1989-10-11 RECHERCHES ET DEVELOPPEMENTS DESAAR, société anonyme Lance d'injection ou de soufflage
EP0339174A1 (fr) * 1988-04-28 1989-11-02 RECHERCHES ET DEVELOPPEMENTS DESAAR, société anonyme Lance d'injection ou de soufflage avec chambre de refroidissement
AU640955B2 (en) * 1989-09-29 1993-09-09 Ausmelt Pty Ltd Top submerged injection with a shrouded lance
EP0493476B1 (en) * 1989-09-29 1998-12-02 Ausmelt Limited Top submerged injection with a shrouded lance
US5308043A (en) * 1991-09-20 1994-05-03 Ausmelt Pty. Ltd. Top submergable lance
EP2726803B1 (en) 2011-06-30 2017-05-17 Outotec (Finland) Oy Top submerged injecting lances
BR112014004599B8 (pt) 2011-09-02 2023-03-28 Outotec Oyj Lança para conduzir uma operação pirometalúrgica através de injeção por lança de topo submersa
ES2587849T3 (es) 2011-11-30 2016-10-27 Outotec (Finland) Oy Lanzas refrigeradas de fluido para inyección sumergida superior
AU2013204818B2 (en) 2013-04-12 2015-02-19 Metso Metals Oy Molten bath temperature measurement for a top submerged lance injection installation
WO2015056142A1 (en) 2013-10-16 2015-04-23 Outotec (Finland) Oy Top submerged injection lance for enhanced heat transfer
PL3058109T3 (pl) 2013-10-16 2017-08-31 Outotec (Finland) Oy Lanca zanurzeniowa do wdmuchiwania od góry do wspomaganego spalania pod powierzchnią cieczy
CN103740882A (zh) * 2014-01-14 2014-04-23 武汉科技大学 一种双层加强管的脱硫喷枪
CN103740881A (zh) * 2014-01-14 2014-04-23 武汉科技大学 一种多加强管的脱硫喷枪
EP3922736A1 (en) * 2020-06-08 2021-12-15 ImerTech SAS Blast lance for gas blowing, its use and method of production
CN112941268B (zh) * 2021-02-01 2024-11-08 鞍山市和丰耐火材料有限公司 无裂纹长寿命复合式脱硫喷粉枪的生产工艺及喷粉枪结构
CN113048486A (zh) * 2021-03-23 2021-06-29 中国恩菲工程技术有限公司 工业废弃物综合处理炉
WO2024023558A1 (en) * 2022-07-29 2024-02-01 Arcelormittal A method for manufacturing pig iron in an electrical smelting furnace and associated furnace
EP4562196A1 (en) * 2022-07-29 2025-06-04 ArcelorMittal A method for manufacturing pig iron in an electrical smelting furnace and associated electrical smelting furnace
EP4562195A1 (en) * 2022-07-29 2025-06-04 ArcelorMittal A method for manufacturing pig iron in an electrical smelting furnace and associated smelting furnace

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2805147A (en) * 1952-10-02 1957-09-03 Tiroler Roehren & Metallwerk Process and apparatus for introducing fine-grained additions below the surface of metal melts
US3615085A (en) * 1969-02-26 1971-10-26 Jones & Laughlin Steel Corp Apparatus for treating metallic melts

Also Published As

Publication number Publication date
CA1105255A (fr) 1981-07-21
SE438869B (sv) 1985-05-13
AT369432B (de) 1982-12-27
ATA986276A (de) 1982-05-15
ES454771A1 (es) 1978-04-01
NL7614512A (nl) 1977-07-11
SE7700061L (sv) 1977-07-08
JPS601361B2 (ja) 1985-01-14
DE2659735C2 (de) 1985-11-14
LU76524A1 (it) 1977-06-20
NL183591C (nl) 1988-12-01
DE2659735A1 (de) 1977-07-14
BE849582R (fr) 1977-04-15
BR7700060A (pt) 1977-10-18
NL183591B (nl) 1988-07-01
JPS5285914A (en) 1977-07-16
US4097030A (en) 1978-06-27

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