NL8200496A - Werkwijze voor het zuiveren van metaal. - Google Patents

Werkwijze voor het zuiveren van metaal. Download PDF

Info

Publication number
NL8200496A
NL8200496A NL8200496A NL8200496A NL8200496A NL 8200496 A NL8200496 A NL 8200496A NL 8200496 A NL8200496 A NL 8200496A NL 8200496 A NL8200496 A NL 8200496A NL 8200496 A NL8200496 A NL 8200496A
Authority
NL
Netherlands
Prior art keywords
gas
nozzle
cooling
pipe
cooling gas
Prior art date
Application number
NL8200496A
Other languages
English (en)
Dutch (nl)
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of NL8200496A publication Critical patent/NL8200496A/nl

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
    • C21C5/48—Bottoms or tuyéres of converters
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (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)
NL8200496A 1981-10-26 1982-02-09 Werkwijze voor het zuiveren van metaal. NL8200496A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17019881 1981-10-26
JP56170198A JPS5873732A (ja) 1981-10-26 1981-10-26 金属の精錬方法

Publications (1)

Publication Number Publication Date
NL8200496A true NL8200496A (nl) 1983-05-16

Family

ID=15900481

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8200496A NL8200496A (nl) 1981-10-26 1982-02-09 Werkwijze voor het zuiveren van metaal.

Country Status (12)

Country Link
US (1) US4450005A (it)
JP (1) JPS5873732A (it)
AU (1) AU534102B2 (it)
BE (1) BE892061A (it)
BR (1) BR8200696A (it)
CA (1) CA1179506A (it)
DE (1) DE3204331A1 (it)
FR (1) FR2515211B1 (it)
GB (1) GB2108531B (it)
IT (1) IT1154277B (it)
NL (1) NL8200496A (it)
ZA (1) ZA82790B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6059009A (ja) * 1983-09-12 1985-04-05 Nippon Steel Corp 転炉精錬法
US5139569A (en) * 1989-04-13 1992-08-18 Messer Griesheim Process for the production of alloy steel grades using treatment gas consisting of CO2
DE4328045C2 (de) * 1993-08-20 2001-02-08 Ald Vacuum Techn Ag Verfahren zum Entkohlen von kohlenstoffhaltigen Metallschmelzen
US5431709A (en) * 1993-09-21 1995-07-11 Gas Research Institute Accretion controlling tuyere
US9045805B2 (en) * 2013-03-12 2015-06-02 Ati Properties, Inc. Alloy refining methods

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1450718A (fr) * 1965-07-12 1966-06-24 Air Liquide Perfectionnements à des procédés métallurgiques
GB1253581A (en) * 1968-02-24 1971-11-17 Maximilianshuette Eisenwerk Improvements in processes and apparatus for making steel
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
LU60319A1 (it) * 1970-02-06 1971-09-24
FR2287511A1 (fr) * 1974-10-11 1976-05-07 Creusot Loire Tuyere saillante
FR2378097A1 (fr) * 1977-01-21 1978-08-18 Creusot Loire Procede de protection contre l'usure d'une tuyere de soufflage pour l'affinage des metaux liquides
DE2834737A1 (de) * 1977-08-26 1979-03-08 British Steel Corp Stahlherstellungsverfahren
JPS56123853U (it) * 1980-02-18 1981-09-21

Also Published As

Publication number Publication date
FR2515211B1 (fr) 1987-05-29
IT1154277B (it) 1987-01-21
AU534102B2 (en) 1984-01-05
BR8200696A (pt) 1983-10-11
CA1179506A (en) 1984-12-18
GB2108531B (en) 1985-09-11
FR2515211A1 (fr) 1983-04-29
US4450005A (en) 1984-05-22
GB2108531A (en) 1983-05-18
IT8247752A0 (it) 1982-02-09
ZA82790B (en) 1983-03-30
BE892061A (fr) 1982-05-27
DE3204331A1 (de) 1983-05-11
JPS5873732A (ja) 1983-05-04
AU8023582A (en) 1983-05-05

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed