BR8203236A - Bocal processo para a producao de um bocal e processo de apuracao - Google Patents

Bocal processo para a producao de um bocal e processo de apuracao

Info

Publication number
BR8203236A
BR8203236A BR8203236A BR8203236A BR8203236A BR 8203236 A BR8203236 A BR 8203236A BR 8203236 A BR8203236 A BR 8203236A BR 8203236 A BR8203236 A BR 8203236A BR 8203236 A BR8203236 A BR 8203236A
Authority
BR
Brazil
Prior art keywords
nozzle
production
clearance
clearance process
nozzle process
Prior art date
Application number
BR8203236A
Other languages
English (en)
Inventor
Narito Kimura
Kiyomi Taguchi
Masayuki Hammyo
Osamu Terada
Teruyuki Hasegawa
Youichi Nimura
Original Assignee
Nippon Kokan Kk
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 JP8432181A external-priority patent/JPS57200533A/ja
Priority claimed from JP12595081U external-priority patent/JPS6021380Y2/ja
Priority claimed from JP13328781A external-priority patent/JPS5837110A/ja
Application filed by Nippon Kokan Kk filed Critical Nippon Kokan Kk
Publication of BR8203236A publication Critical patent/BR8203236A/pt

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
    • C21C5/34—Blowing through the bath
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002—Treatment with gases
    • B22D1/005—Injection assemblies therefor
    • 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
    • C21C5/48—Bottoms or tuyéres of converters
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S239/00—Fluid sprinkling, spraying, and diffusing
    • Y10S239/19—Nozzle materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
BR8203236A 1981-06-03 1982-06-02 Bocal processo para a producao de um bocal e processo de apuracao BR8203236A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8432181A JPS57200533A (en) 1981-06-03 1981-06-03 Gas blowing refractory material and preparation thereof
JP12595081U JPS6021380Y2 (ja) 1981-08-27 1981-08-27 溶融金属精錬用ノズル
JP13328781A JPS5837110A (ja) 1981-08-27 1981-08-27 転炉精錬法

Publications (1)

Publication Number Publication Date
BR8203236A true BR8203236A (pt) 1983-05-24

Family

ID=27304512

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8203236A BR8203236A (pt) 1981-06-03 1982-06-02 Bocal processo para a producao de um bocal e processo de apuracao

Country Status (8)

Country Link
US (1) US4438907A (pt)
KR (1) KR860000753B1 (pt)
AU (1) AU544858B2 (pt)
BR (1) BR8203236A (pt)
CA (1) CA1200095A (pt)
FR (1) FR2507208B1 (pt)
GB (1) GB2102926B (pt)
IT (1) IT1151433B (pt)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983003427A1 (en) * 1982-03-29 1983-03-29 Miyawaki, Yoshiharu Bottom blowing gas nozzle in molten metal refining furnace and method of melting steel using the same nozzle
GB2120369A (en) * 1982-05-20 1983-11-30 Ksr Int Ltd An improved metallurgical lance
USRE34418E (en) * 1982-11-23 1993-10-26 Injectall Limited Apparatus and method for introducing substances into liquid metal
FR2538410B1 (fr) * 1982-12-24 1988-04-29 Siderurgie Fse Inst Rech Element refractaire porte-tuyere et procede de prevention de l'usure du refractaire faisant application dudit element
LU85131A1 (de) * 1983-12-12 1985-09-12 Arbed Gasdurchlaessiger baukoerper aus feuerfestem material
EP0154056A1 (en) * 1984-02-27 1985-09-11 Sumitomo Metal Industries, Ltd. Gasification furnace
AT384623B (de) * 1985-12-23 1987-12-10 Tosin Albert Spuelstein fuer metallurgische gefaesse
GB8604219D0 (en) * 1986-02-20 1986-03-26 Injectall Ltd Injection of substances into liquids
US4735400A (en) * 1986-03-28 1988-04-05 Toshin Steel Co., Ltd. Plug for a refining apparatus
FR2601694B1 (fr) * 1986-03-28 1990-12-21 Toshin Steel Co Bouchon pour appareil d'affinage
FR2601695B1 (fr) * 1986-03-28 1990-12-21 Toshin Steel Co Bouchon pour appareil d'affinage
FR2601693B1 (fr) * 1986-03-28 1990-12-21 Toshin Steel Co Bouchon pour appareil d'affinage
GB8609063D0 (en) * 1986-04-14 1986-05-21 British Steel Corp Injection elements for melt containing vessels
US4741515A (en) * 1986-10-20 1988-05-03 Bethlehem Steel Corporation Apparatus for introducing gas into a metallurgical vessel
US4705563A (en) * 1986-10-23 1987-11-10 The United States Of America As Represented By The United States Department Of Energy Methods and apparatus for reducing corrosion in refractory linings
SE8702601L (sv) * 1987-06-23 1988-12-24 Hoeganaes Ab Metallurgisk dysa
DE3734713A1 (de) * 1987-10-14 1989-04-27 Pa Ha Ge Huetten Und Giesserei Spuelstein fuer metallurgische gefaesse
US4840354A (en) * 1988-06-22 1989-06-20 Labate M D Stirring brick with shaped gas volume control openings
DE3907383A1 (de) * 1988-12-22 1990-09-20 Cookson Plibrico Gmbh Einblasvorrichtung
GB2236114A (en) * 1989-07-31 1991-03-27 Injectall Ltd Gas injection
US5156801A (en) * 1990-06-04 1992-10-20 Refractory Services Corp. Low porosity-high density radial burst refractory plug with constant flow
DE4022949C1 (pt) * 1990-07-19 1991-07-11 Radex-Heraklith Industriebeteiligungs Ag, Wien, At
US5104097A (en) * 1990-09-14 1992-04-14 Martin & Pagenstecher Gmbha Gas stir plugs with slots and method of making the same
US5249778A (en) * 1992-04-14 1993-10-05 Dolomitwerke Gmbh Gas stir plug device with visual wear indicator
US5423521A (en) * 1992-05-19 1995-06-13 Quigley Company, Inc. Ceramic plug gas distribution device
DE4335643C1 (de) * 1993-10-15 1994-10-27 Mannesmann Ag Verfahren und Vorrichtung zum Einleiten von Gasen in Metallschmelzen
US5820816A (en) * 1994-05-10 1998-10-13 Jw Hicks, Inc. Purging device and method of making same
FR2792948B1 (fr) * 1999-04-27 2001-06-08 Pechiney Rhenalu Procede et dispositif ameliores de degazage et de separation des inclusions d'un bain de metal liquide par injection de bulles de gaz
US6431470B2 (en) * 2000-02-25 2002-08-13 The Boeing Company Low-noise air nozzle
KR100919749B1 (ko) * 2002-11-14 2009-09-29 주식회사 포스코 코크스 오븐의 혼합가스 압력 제어방법
US20050012251A1 (en) * 2003-07-14 2005-01-20 Haun James Michael Ladle nozzle for use with molten metals
US20070023546A1 (en) * 2005-08-01 2007-02-01 Chih-Min Yu Nozzle structure for a high-pressure spray head
KR100847778B1 (ko) * 2006-12-29 2008-07-23 주식회사 포스코 래들용 버블링 플러그
JP5230693B2 (ja) * 2010-07-06 2013-07-10 品川リフラクトリーズ株式会社 ガス吹き込みノズル
US9206487B2 (en) 2014-03-06 2015-12-08 J.W. Hicks, Inc. Molten metal treatment lance
RU2656913C1 (ru) * 2016-06-15 2018-06-07 Закрытое акционерное общество "Ферро Балт Плюс" Фурма для донной продувки металла газами в ковше
KR102119929B1 (ko) * 2017-12-26 2020-06-05 주식회사 포스코 정련로
RU193729U1 (ru) * 2019-08-05 2019-11-12 Закрытое акционерное общество "Ферро Балт Плюс" Фурма для донной продувки жидкого металла газами в ковше

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1390694A (en) * 1920-06-14 1921-09-13 Jr William E Frawley Twyer
US2855293A (en) * 1955-03-21 1958-10-07 Air Liquide Method and apparatus for treating molten metal with oxygen
FR1176612A (fr) * 1956-06-13 1959-04-14 Convertisseur, son procédé de fabrication et les tuyères pour mise en oenvre de ce procédé
FR1191826A (fr) * 1957-02-27 1959-10-22 Ruhrstahl Ag Procédé et dispositif pour l'épuration de bains d'acier au moyen de gaz
GB905863A (en) * 1960-08-09 1962-09-12 Gen Refractories Ltd Improvements in or relating to bottom-blown basic bessemer type steel converters
FR90233E (fr) * 1966-06-27 1967-11-03 Air Liquide Perfectionnement aux injecteurs, tuyères et brûleurs pour fours métallurgiques
BE752893A (fr) * 1969-07-08 1970-12-16 Forges De La Loire St Chamond Procede et dispositif de refroidissement d'une tuyere de convertisseur d'affinage
GB2041182B (en) * 1978-12-21 1983-01-26 Kawasaki Steel Co Method for blowing gas from below into a molten steel in refining vessel
US4317679A (en) * 1979-05-23 1982-03-02 Swiss Aluminium Ltd. Method and apparatus for the degassing of molten metal

Also Published As

Publication number Publication date
IT8221656A0 (it) 1982-06-02
IT8221656A1 (it) 1983-12-02
AU8430682A (en) 1982-12-09
FR2507208A1 (fr) 1982-12-10
KR840000649A (ko) 1984-02-25
CA1200095A (en) 1986-02-04
FR2507208B1 (fr) 1987-04-17
KR860000753B1 (ko) 1986-06-18
AU544858B2 (en) 1985-06-13
GB2102926B (en) 1985-05-15
IT1151433B (it) 1986-12-17
US4438907A (en) 1984-03-27
GB2102926A (en) 1983-02-09

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