BR9905330A - Método para cobertura com escória de parede de conversor - Google Patents

Método para cobertura com escória de parede de conversor

Info

Publication number
BR9905330A
BR9905330A BR9905330-6A BR9905330A BR9905330A BR 9905330 A BR9905330 A BR 9905330A BR 9905330 A BR9905330 A BR 9905330A BR 9905330 A BR9905330 A BR 9905330A
Authority
BR
Brazil
Prior art keywords
slag
converter
converter wall
gas
blowing
Prior art date
Application number
BR9905330-6A
Other languages
English (en)
Inventor
Yoshiyuki Tanaka
Nobukazu Kitagawa
Haruji Okuda
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
Application filed by Kawasaki Steel Co filed Critical Kawasaki Steel Co
Publication of BR9905330A publication Critical patent/BR9905330A/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
    • C21C5/36—Processes yielding slags of special composition
    • 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
    • C21C5/44—Refractory linings

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)

Abstract

Patente de Invenção: <B>"MéTODO PARA COBERTURA COM ESCóRIA DE PAREDE DE CONVERSOR"<D>. Realiza-se a cobertura com escória soprando-se um gás de um lance de sopro superior, de modo que a escória seja borrifada uniformemente sobre o tonel e entrada próximos do munhão do conversor; a altura do lance é ajustada para 0,7-3,0 e a velocidade de fluxo do gás é ajustada para 250-600 Nm^ 3^/min, e, após a assopradura do gás, a escória fundida restante é incorporada com um solidificador de escória contendo MgO ou CaO, a seguir a escória fundida é borrifada no sentido da parte desejada da parede do conversor que necessita restauração.
BR9905330-6A 1998-10-05 1999-10-05 Método para cobertura com escória de parede de conversor BR9905330A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28279198 1998-10-05

Publications (1)

Publication Number Publication Date
BR9905330A true BR9905330A (pt) 2000-09-05

Family

ID=17657145

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9905330-6A BR9905330A (pt) 1998-10-05 1999-10-05 Método para cobertura com escória de parede de conversor

Country Status (5)

Country Link
US (1) US6627256B1 (pt)
KR (1) KR100625372B1 (pt)
CN (1) CN1246483C (pt)
AU (1) AU753301C (pt)
BR (1) BR9905330A (pt)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100758435B1 (ko) * 2001-06-27 2007-09-14 주식회사 포스코 질소를 이용한 전로 노구 부착지금의 제거방법
CN100425706C (zh) * 2004-12-10 2008-10-15 荆有利 转炉炉衬自补方法
CN100532580C (zh) * 2006-12-14 2009-08-26 中国科学院过程工程研究所 Co2用于转炉炼钢溅渣护炉的方法
CN102534105A (zh) * 2010-12-15 2012-07-04 鞍钢股份有限公司 一种转炉炉衬的维护方法
EP2724104A4 (en) * 2011-06-24 2014-12-17 Graftech Int Holdings Inc COATING OF DAIRY GEL FOR ELECTRONIC ARC OVEN
CN102337372A (zh) * 2011-10-27 2012-02-01 北京科技大学 一种炼钢炉内高温液态炉渣冷却固化循环利用的方法
CN102888486A (zh) * 2012-09-17 2013-01-23 宣化钢铁集团有限责任公司 一种转炉渣铁护炉工艺
CN102912069B (zh) * 2012-10-31 2014-10-01 攀钢集团研究院有限公司 一种提钒转炉的溅渣护炉方法
CN103409587A (zh) * 2013-07-23 2013-11-27 首钢水城钢铁（集团）有限责任公司 一种转炉冶炼过程中加焦丁调渣方法
CN103602776B (zh) * 2013-11-29 2016-01-13 武汉钢铁(集团)公司 用于转炉溅渣护炉工艺中的调渣方法
CN103602777B (zh) * 2013-12-09 2014-10-29 攀枝花顺腾集团冶金材料有限公司 一种溅渣护炉料及其制备方法
CN103820596B (zh) * 2013-12-11 2015-09-16 攀钢集团成都钢钒有限公司 一种转炉高温钢渣循环利用的方法
CN104073589B (zh) * 2014-07-16 2016-08-24 攀钢集团攀枝花钢钒有限公司 一种半钢炼钢复吹转炉的炉底维护的方法
CN104295805A (zh) * 2014-08-18 2015-01-21 安徽惠明机械制造有限公司 一种混凝土快速运输管道
CN106319140A (zh) * 2015-06-29 2017-01-11 鞍钢股份有限公司 一种节能环保型转炉溅渣调节剂及其制备方法
CN105671246B (zh) * 2016-03-22 2017-12-22 首钢总公司 一种复吹转炉的炉底控制方法
US10781499B2 (en) * 2018-01-17 2020-09-22 Air Products And Chemicals, Inc. Bottom stirring tuyere and method for a basic oxygen furnace
CN109266807A (zh) * 2018-10-29 2019-01-25 甘肃酒钢集团宏兴钢铁股份有限公司 一种大流量底吹溅渣与顶吹溅渣相结合的护炉工艺
CN111254251B (zh) * 2018-11-30 2021-12-14 上海梅山钢铁股份有限公司 一种基于炉底厚度的转炉溅渣枪位自动控制方法
CN111074038B (zh) * 2019-12-27 2022-03-08 安徽工业大学 一种转炉溅渣护炉靶向溅渣枪位控制的方法
CN111360031A (zh) * 2020-03-19 2020-07-03 靳六旦 一种废铝灰处理工艺
CN111500813B (zh) * 2020-04-23 2021-12-07 中冶赛迪工程技术股份有限公司 一种电炉熔分钒钛金属化球团利用铁钒资源的方法
CN113930574B (zh) * 2020-06-29 2022-12-16 宝山钢铁股份有限公司 利于炉底维护的溅渣补炉方法
CN115044731A (zh) * 2022-06-23 2022-09-13 抚顺新钢铁有限责任公司 一种基于音频信号的转炉动态溅渣护炉方法
CN116694855B (zh) * 2023-07-28 2023-09-29 山西通才工贸有限公司 一种转炉炉体裙板装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4373949A (en) 1979-02-07 1983-02-15 Union Carbide Corporation Method for increasing vessel lining life for basic oxygen furnaces
JPS5938282B2 (ja) * 1980-07-03 1984-09-14 川崎製鉄株式会社 底吹き転炉炉壁面へのスラグコ−テイング方法
GB8407366D0 (en) * 1984-03-21 1984-04-26 British Steel Corp Production/refining of metal
JPS6156223A (ja) * 1984-08-24 1986-03-20 Nippon Steel Corp 転炉のスラグコ−テイング方法
JPS627814A (ja) * 1985-07-04 1987-01-14 Nippon Kokan Kk <Nkk> スラグコ−テイング法
JPS6217112A (ja) * 1985-07-15 1987-01-26 Kobe Steel Ltd 転炉内壁のスラグコ−テイング方法
JPS644412A (en) * 1987-06-26 1989-01-09 Nippon Steel Corp Method for repairing of converter by slag coating
JPH0533030A (ja) * 1991-07-24 1993-02-09 Nkk Corp 溶融還元炉の耐火物補修方法
RU2047660C1 (ru) * 1992-02-11 1995-11-10 Криворожский металлургический комбинат "Криворожсталь" им.В.И.Ленина Способ нанесения покрытия на стенки конвертера
JPH0741815A (ja) * 1993-07-29 1995-02-10 Kawasaki Steel Corp 転炉の炉底及び炉壁面へのスラグ・コーティング方法
US5567222A (en) * 1994-03-24 1996-10-22 Kawasaki Steel Corporation Method of controlling slag coating of a steel converter
JPH08246018A (ja) * 1995-03-13 1996-09-24 Nippon Steel Corp 溶解容器あるいは精錬容器のスラグコーティング方法
JP3845160B2 (ja) * 1996-12-19 2006-11-15 新日本製鐵株式会社 スラグコーティング方法
JP4689782B2 (ja) * 1998-10-05 2011-05-25 Ｊｆｅスチール株式会社 転炉炉壁へのスラグコーティング方法およびスラグコーティング実施時の転炉炉底管理方法

Also Published As

Publication number Publication date
KR100625372B1 (ko) 2006-09-18
US6627256B1 (en) 2003-09-30
CN1254018A (zh) 2000-05-24
AU753301C (en) 2003-07-24
KR20000028852A (ko) 2000-05-25
CN1246483C (zh) 2006-03-22
AU5269499A (en) 2000-05-04
AU753301B2 (en) 2002-10-17

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved
B25G Requested change of headquarter approved
B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
B06G Technical and formal requirements: other requirements [chapter 6.7 patent gazette]

Free format text: O INTERESSADO DEVERA APRESENTAR A COMPLEMENTACAO DA RETRIBUICAO REFERENTE AO PEDIDO DE EXAME PARA 1 (UMA) REIVINDICACAO EXCEDENTE APRESENTADA NA PETICAO NPRJ 020060032489 DE 10/03/2006.

B15K Others concerning applications: alteration of classification

Free format text: ALTERADA DE INT.7: F27D 1/16.

Ipc: C21C 5/28

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 05/10/1999, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 20A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2534 DE 30-07-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.