BRPI0403944A - Método de alternância de tubeira de fundo de conversor e método de substituição - Google Patents

Método de alternância de tubeira de fundo de conversor e método de substituição

Info

Publication number
BRPI0403944A
BRPI0403944A BR0403944-0A BRPI0403944A BRPI0403944A BR PI0403944 A BRPI0403944 A BR PI0403944A BR PI0403944 A BRPI0403944 A BR PI0403944A BR PI0403944 A BRPI0403944 A BR PI0403944A
Authority
BR
Brazil
Prior art keywords
drilling
converter
brick
nozzle
applicable
Prior art date
Application number
BR0403944-0A
Other languages
English (en)
Portuguese (pt)
Inventor
Hisaki Kato
Makoto Kato
Minoru Tokuchi
Kenji Nishiyama
Shinichi Yamamoto
Original Assignee
Jfe Eng 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 Jfe Eng Corp filed Critical Jfe Eng Corp
Publication of BRPI0403944A publication Critical patent/BRPI0403944A/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/161—Introducing a fluid jet or current into the charge through a porous element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/15—Tapping equipment; Equipment for removing or retaining slag
    • F27D3/1509—Tapping equipment
    • F27D3/1527—Taphole forming equipment, e.g. boring machines, piercing tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
BR0403944-0A 2003-03-03 2004-03-01 Método de alternância de tubeira de fundo de conversor e método de substituição BRPI0403944A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003056067 2003-03-03
PCT/JP2004/002482 WO2004079020A1 (ja) 2003-03-03 2004-03-01 転炉底吹き羽口の切替方法および交換方法

Publications (1)

Publication Number Publication Date
BRPI0403944A true BRPI0403944A (pt) 2005-03-01

Family

ID=32958682

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0403944-0A BRPI0403944A (pt) 2003-03-03 2004-03-01 Método de alternância de tubeira de fundo de conversor e método de substituição

Country Status (3)

Country Link
CN (1) CN1697886A (ja)
BR (1) BRPI0403944A (ja)
WO (1) WO2004079020A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102399931A (zh) * 2010-09-16 2012-04-04 鞍钢股份有限公司 一种顶底复吹转炉底吹元件热更换方法
US11155890B2 (en) * 2019-07-17 2021-10-26 Air Products And Chemicals, Inc. Tuyere for a basic oxygen furnace
CN111518982A (zh) * 2020-04-21 2020-08-11 攀钢集团攀枝花钢铁研究院有限公司 一种提高炼钢炉全炉役底吹搅拌效果的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5885A (ja) * 1981-06-23 1983-01-05 新日本製鐵株式会社 溶融金属収納容器のスリ−ブ煉瓦除去工法
JPH0372014A (ja) * 1989-08-09 1991-03-27 Nkk Corp 転炉底吹きノズルの切替え方法
JP2544719Y2 (ja) * 1990-10-08 1997-08-20 川崎炉材株式会社 溶融金属容器のガス吹込みノズルの羽口構造

Also Published As

Publication number Publication date
CN1697886A (zh) 2005-11-16
WO2004079020A1 (ja) 2004-09-16

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 4A, 5A, 6A, 7A E 8A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2159 DE 22/05/2012.