SE447997B - Sett att reglera slaggbildningen i en ld-konverter - Google Patents

Sett att reglera slaggbildningen i en ld-konverter

Info

Publication number
SE447997B
SE447997B SE7909970A SE7909970A SE447997B SE 447997 B SE447997 B SE 447997B SE 7909970 A SE7909970 A SE 7909970A SE 7909970 A SE7909970 A SE 7909970A SE 447997 B SE447997 B SE 447997B
Authority
SE
Sweden
Prior art keywords
slag
acceleration
lance
converter
slag formation
Prior art date
Application number
SE7909970A
Other languages
English (en)
Swedish (sv)
Other versions
SE7909970L (sv
Inventor
K Emoto
M Onishi
H Yamada
K Hirayama
H Ohzu
M Ogawa
Y Masuda
Original Assignee
Kawasaki Steel Co
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 JP15026178A external-priority patent/JPS5856729B2/ja
Priority claimed from JP15026278A external-priority patent/JPS5853690B2/ja
Priority claimed from JP16219678A external-priority patent/JPS5591917A/ja
Priority claimed from JP3303379A external-priority patent/JPS5843441B2/ja
Priority claimed from JP7063379A external-priority patent/JPS5853691B2/ja
Application filed by Kawasaki Steel Co filed Critical Kawasaki Steel Co
Publication of SE7909970L publication Critical patent/SE7909970L/
Publication of SE447997B publication Critical patent/SE447997B/sv

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
    • C21C5/30—Regulating or controlling the blowing

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)
SE7909970A 1978-12-05 1979-12-04 Sett att reglera slaggbildningen i en ld-konverter SE447997B (sv)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP15026178A JPS5856729B2 (ja) 1978-12-05 1978-12-05 純酸素上吹き転炉の吹錬制御法
JP15026278A JPS5853690B2 (ja) 1978-12-05 1978-12-05 転炉における造滓制御方法
JP16219678A JPS5591917A (en) 1978-12-29 1978-12-29 Forecasting method for converter slopping
JP3303379A JPS5843441B2 (ja) 1979-03-20 1979-03-20 転炉における造滓制御方法
JP7063379A JPS5853691B2 (ja) 1979-06-07 1979-06-07 転炉の造滓制御法

Publications (2)

Publication Number Publication Date
SE7909970L SE7909970L (sv) 1980-06-06
SE447997B true SE447997B (sv) 1987-01-12

Family

ID=27521482

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7909970A SE447997B (sv) 1978-12-05 1979-12-04 Sett att reglera slaggbildningen i en ld-konverter

Country Status (8)

Country Link
US (1) US4398948A (de)
AT (1) AT385054B (de)
AU (1) AU524195B2 (de)
CA (1) CA1137758A (de)
DE (2) DE2953923C2 (de)
FR (1) FR2443509A1 (de)
GB (1) GB2042592B (de)
SE (1) SE447997B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA835649B (en) * 1982-08-25 1984-04-25 British Steel Corp Lancing in electric arc steelmaking
DE3430887A1 (de) * 1984-08-22 1986-02-27 Didier-Werke Ag, 6200 Wiesbaden Verfahren zur reaktivierung eines katalysators und anlage zur durchfuehrung des verfahrens
AT392801B (de) * 1989-06-05 1991-06-25 Voest Alpine Ind Anlagen Verfahren zur schlackenfuehrung in einem blasstahlkonverter
ZA906892B (en) * 1989-09-04 1991-06-26 Nippon Steel Corp Method of operating in-bath smelting reduction furnace
ATE123816T1 (de) * 1991-11-28 1995-06-15 Carbagas Verfahren zur unterdrückung von staub und rauch bei der elektrostahlherstellung.
US5405121A (en) * 1994-04-29 1995-04-11 Centro De Investigation Y De Estudios Avanzados Del Ipn Apparatus to indicate the oxygen content of molten copper using the vibration signal of a graphite rod immersed into the molten metal
US6539805B2 (en) * 1994-07-19 2003-04-01 Vesuvius Crucible Company Liquid metal flow condition detection
US5584909A (en) * 1995-01-19 1996-12-17 Ltv Steel Company, Inc. Controlled foamy slag process
US5885323A (en) * 1997-04-25 1999-03-23 Ltv Steel Company, Inc. Foamy slag process using multi-circuit lance
US6264716B1 (en) * 1999-03-19 2001-07-24 Nupro Corporation Process for controlling the stirring energy delivered by a gas flowing through a liquid
KR100488757B1 (ko) * 2000-10-26 2005-05-11 주식회사 포스코 가스의 취입량에 따른 레이들내의 교반력 측정방법 및이를 이용한 청정강의 제조방법
KR20030052728A (ko) * 2001-12-21 2003-06-27 주식회사 포스코 레이들의 프리보드 및 슬래그 두께 측정장치 및 이를이용하여 상취랜스의 취입깊이를 제어하는 방법
KR100953624B1 (ko) 2002-12-18 2010-04-20 주식회사 포스코 랜스 모멘트 및 이미지 정보를 이용한 슬로핑 예측 장치및 그 방법
US8097063B2 (en) * 2010-02-26 2012-01-17 Tenova Goodfellow Inc. System for furnace slopping prediction and lance optimization
JP2013520574A (ja) * 2010-02-26 2013-06-06 テノバ グッドフェロー インク． 転炉スロッピングの予測及びランスの最適化のためのシステム
JP6499293B2 (ja) * 2014-12-24 2019-04-10 オウトテック （フィンランド） オサケ ユキチュアＯｕｔｏｔｅｃ （Ｆｉｎｌａｎｄ） Ｏｙ トップサブマージランシング注入反応炉システムの溶湯における運転状態を判定する検出装置
PE20171301A1 (es) * 2014-12-24 2017-08-31 Outotec Finland Oy Sistema y metodo para recolectar y analizar datos relacionados con una condicion operativa en un sistema de reactor con un inyector de lanzado sumergido desde lo alto
CN105695660B (zh) * 2016-03-21 2017-08-25 河北钢铁股份有限公司邯郸分公司 一种动态判断转炉冶炼过程中的炉渣状态方法
CN107287379B (zh) * 2016-03-31 2019-01-08 鞍钢股份有限公司 一种防止精炼过程钢包粘渣的方法
CN107299183B (zh) * 2017-06-28 2022-06-28 河钢股份有限公司邯郸分公司 一种智能降低转炉终渣氧化性的系统及方法
CN110991772B (zh) * 2019-12-27 2023-04-18 安徽工业大学 一种预测转炉终渣粘度模型的高效护炉方法
CN114507762A (zh) * 2020-11-15 2022-05-17 上海梅山钢铁股份有限公司 一种高钢铁比的转炉冶炼控制方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1182271B (de) * 1961-09-13 1964-11-26 Ct Nat De Rech S Metallurg Verfahren zur Vorherbestimmung des Schaeumens der Schlacke beim Oberwindfrischen von Roheisen
AT234127B (de) * 1962-07-25 1964-06-10 Bot Brassert Oxygen Technik Ag Verfahren zur Betriebsregelung von Blasverfahren in Abhängigkeit vom Schäumungsgrad der Schlacke
NL6501108A (de) * 1964-01-29 1965-07-30
DE1290557B (de) * 1964-03-23 1969-03-13 Krupp Gmbh Verfahren zur UEberwachung und Steuerung des Reaktionsablaufes bei Sauerstoffaufblaseverfahren
AT297073B (de) * 1969-04-15 1972-03-10 Voest Ag Verfahren zur Messung der Dicke der Schlackenschicht auf metallischen Bädern, insbesondere auf durch Vakuumbehandlung zu entgasenden Schmelzen
US3708159A (en) * 1971-01-28 1973-01-02 Steel Corp Method and apparatus for locating the surface of a liquid metal bath
DD96976A1 (de) * 1972-05-19 1973-04-12
BE828855A (fr) * 1975-05-07 1975-11-07 Procede pour controler l'operation d'affinage de la fonte

Also Published As

Publication number Publication date
GB2042592B (en) 1983-04-13
ATA771479A (de) 1987-07-15
CA1137758A (en) 1982-12-21
SE7909970L (sv) 1980-06-06
AT385054B (de) 1988-02-10
GB2042592A (en) 1980-09-24
DE2953923A1 (de) 1982-09-16
AU5348479A (en) 1980-07-17
FR2443509A1 (fr) 1980-07-04
DE2948960C2 (de) 1984-06-07
FR2443509B1 (de) 1984-10-26
DE2948960A1 (de) 1980-06-12
AU524195B2 (en) 1982-09-02
DE2953923C2 (de) 1985-05-09
US4398948A (en) 1983-08-16

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