DE2515494C2 - Verfahren zur Behandlung einer Metallschmelze - Google Patents

Verfahren zur Behandlung einer Metallschmelze

Info

Publication number
DE2515494C2
DE2515494C2 DE2515494A DE2515494A DE2515494C2 DE 2515494 C2 DE2515494 C2 DE 2515494C2 DE 2515494 A DE2515494 A DE 2515494A DE 2515494 A DE2515494 A DE 2515494A DE 2515494 C2 DE2515494 C2 DE 2515494C2
Authority
DE
Germany
Prior art keywords
solid material
blown
nozzle
gas
per
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
DE2515494A
Other languages
German (de)
English (en)
Other versions
DE2515494A1 (de
Inventor
Kare Martin Folgerö
Bengt Västeras Fredriksson
Lars-Gunnar Hagfors Norberg
Karl-Erik Borlänge Öberg
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.)
Uddeholms AB
Original Assignee
Uddeholms AB
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 Uddeholms AB filed Critical Uddeholms AB
Publication of DE2515494A1 publication Critical patent/DE2515494A1/de
Application granted granted Critical
Publication of DE2515494C2 publication Critical patent/DE2515494C2/de
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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2312—Diffusers
    • B01F23/23121—Diffusers having injection means, e.g. nozzles with circumferential outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/2366—Parts; Accessories
    • B01F23/2368—Mixing receptacles, e.g. tanks, vessels or reactors, being completely closed, e.g. hermetically closed
    • 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
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/34—Blowing through the bath
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/05—Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
DE2515494A 1974-04-16 1975-04-09 Verfahren zur Behandlung einer Metallschmelze Expired DE2515494C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7405030A SE395911B (sv) 1974-04-16 1974-04-16 Behandling av metallsmelta i keramiskt infordrat reaktionskerl

Publications (2)

Publication Number Publication Date
DE2515494A1 DE2515494A1 (de) 1975-11-06
DE2515494C2 true DE2515494C2 (de) 1984-12-06

Family

ID=20320831

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2515494A Expired DE2515494C2 (de) 1974-04-16 1975-04-09 Verfahren zur Behandlung einer Metallschmelze

Country Status (10)

Country Link
US (1) US3967955A (enExample)
JP (1) JPS5933642B2 (enExample)
AT (1) AT350089B (enExample)
BE (1) BE827962A (enExample)
BR (1) BR7502291A (enExample)
DE (1) DE2515494C2 (enExample)
FR (1) FR2268082B1 (enExample)
GB (1) GB1502345A (enExample)
IT (1) IT1037289B (enExample)
SE (1) SE395911B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3708730A1 (de) * 1987-03-18 1988-09-29 Kloeckner Stahl Gmbh Verfahren zum wiedereinsatz von filterstaeuben

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2822791C2 (de) * 1977-05-26 1983-12-08 Gruzinskij politechničeskij institut imeni V.I. Lenina, Tbilisi Vorrichtung zum Einführen pulverförmiger Reagenzien mittels eines Trägergasstromes in eine Metallschmelze
US4190435A (en) * 1978-10-25 1980-02-26 Uddeholms Aktiebolag Process for the production of ferro alloys
CS216519B2 (en) * 1979-02-08 1982-11-26 Magyar Aluminium Method of reducing the contents of impurities in the aluminium melt or aluminium alloys
ES505740A0 (es) * 1980-09-26 1983-02-01 Nippon Steel Corp Un metodo de impedir el dano a una tobera sumergida
US4647019A (en) * 1986-04-01 1987-03-03 Union Carbide Corporation Very small refining vessel
US4708738A (en) * 1986-04-01 1987-11-24 Union Carbide Corporation Method for refining very small heats of molten metal
US4740241A (en) * 1987-05-22 1988-04-26 Labate M D Dual action lance for ladles
US4783059A (en) * 1988-01-11 1988-11-08 Insul Company, Inc. Tuyere for treating molten metal
US5130603A (en) 1989-03-20 1992-07-14 Idemitsu Kosan Co., Ltd. Organic electroluminescence device
EP2270117A3 (en) 1998-12-28 2011-04-27 Idemitsu Kosan Co., Ltd. Organic electroluminescence device
TW463528B (en) 1999-04-05 2001-11-11 Idemitsu Kosan Co Organic electroluminescence element and their preparation
WO2005054162A1 (ja) 2003-12-01 2005-06-16 Idemitsu Kosan Co., Ltd. 非対称モノアントラセン誘導体、有機エレクトロルミネッセンス素子用材料及びそれを利用した有機エレクトロルミネッセンス素子
JP4848152B2 (ja) 2005-08-08 2011-12-28 出光興産株式会社 芳香族アミン誘導体及びそれを用いた有機エレクトロルミネッセンス素子
JP2007073814A (ja) 2005-09-08 2007-03-22 Idemitsu Kosan Co Ltd ポリアリールアミンを用いた有機エレクトロルミネッセンス素子
WO2007125714A1 (ja) 2006-04-26 2007-11-08 Idemitsu Kosan Co., Ltd. 芳香族アミン誘導体及びそれらを用いた有機エレクトロルミネッセンス素子
TW200815446A (en) 2006-06-05 2008-04-01 Idemitsu Kosan Co Organic electroluminescent device and material for organic electroluminescent device
CN101506192A (zh) 2006-08-23 2009-08-12 出光兴产株式会社 芳香族胺衍生物及使用它们的有机电致发光元件

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3413113A (en) * 1964-07-22 1968-11-26 Rheinstahl Huettenwerke Ag Method of melting metal
US3523785A (en) * 1968-05-20 1970-08-11 Gero Metallurg Corp Method for vacuum degassing and casting molten metal with electromagnetic control
US3827877A (en) * 1968-11-29 1974-08-06 Huettenwerk Oberhausen Ag Method of induction-refining a ferrous melt using a sponge iron charge
LU58309A1 (enExample) * 1969-02-27 1969-07-15
US3708599A (en) * 1971-04-22 1973-01-02 Thermal Transfer Corp High temperature apparatus
DE2505725A1 (de) * 1974-02-21 1975-09-04 Uddeholms Ab Metallurgischer reaktor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3708730A1 (de) * 1987-03-18 1988-09-29 Kloeckner Stahl Gmbh Verfahren zum wiedereinsatz von filterstaeuben

Also Published As

Publication number Publication date
BE827962A (fr) 1975-07-31
BR7502291A (pt) 1976-02-17
AT350089B (de) 1979-05-10
JPS5110105A (enExample) 1976-01-27
FR2268082B1 (enExample) 1980-05-30
FR2268082A1 (enExample) 1975-11-14
GB1502345A (en) 1978-03-01
SE7405030L (sv) 1975-10-17
US3967955A (en) 1976-07-06
SE395911B (sv) 1977-08-29
IT1037289B (it) 1979-11-10
ATA284775A (de) 1978-10-15
JPS5933642B2 (ja) 1984-08-17
DE2515494A1 (de) 1975-11-06

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Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: MUELLER, H., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee