BR112012013658B1 - Agente para manter a temperatura da superfície de aço fundido e processo para manter a temperatura da superfície de aço fundido - Google Patents

Agente para manter a temperatura da superfície de aço fundido e processo para manter a temperatura da superfície de aço fundido Download PDF

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Publication number
BR112012013658B1
BR112012013658B1 BR112012013658-5A BR112012013658A BR112012013658B1 BR 112012013658 B1 BR112012013658 B1 BR 112012013658B1 BR 112012013658 A BR112012013658 A BR 112012013658A BR 112012013658 B1 BR112012013658 B1 BR 112012013658B1
Authority
BR
Brazil
Prior art keywords
molten steel
agent
mass
surface temperature
temperature
Prior art date
Application number
BR112012013658-5A
Other languages
English (en)
Portuguese (pt)
Other versions
BR112012013658A2 (pt
Inventor
Toshiaki Mizoguchi
Daisuke Miki
Norihiko Uchiyama
Original Assignee
Nippon Steel Corporation
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 Corporation filed Critical Nippon Steel Corporation
Publication of BR112012013658A2 publication Critical patent/BR112012013658A2/pt
Publication of BR112012013658B1 publication Critical patent/BR112012013658B1/pt

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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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/005—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using exothermic reaction compositions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B22D11/108—Feeding additives, powders, or the like
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B22D11/11—Treating the molten metal
    • B22D11/111—Treating the molten metal by using protecting powders
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Continuous Casting (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
BR112012013658-5A 2009-12-10 2010-12-10 Agente para manter a temperatura da superfície de aço fundido e processo para manter a temperatura da superfície de aço fundido BR112012013658B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2009280206 2009-12-10
JP2009-280206 2009-12-10
PCT/JP2010/072249 WO2011071152A1 (ja) 2009-12-10 2010-12-10 溶鋼表面保温剤と溶鋼表面保温方法

Publications (2)

Publication Number Publication Date
BR112012013658A2 BR112012013658A2 (pt) 2016-04-12
BR112012013658B1 true BR112012013658B1 (pt) 2022-06-14

Family

ID=44145695

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012013658-5A BR112012013658B1 (pt) 2009-12-10 2010-12-10 Agente para manter a temperatura da superfície de aço fundido e processo para manter a temperatura da superfície de aço fundido

Country Status (5)

Country Link
JP (1) JP4855554B2 (ko)
KR (1) KR101414941B1 (ko)
CN (1) CN102652043B (ko)
BR (1) BR112012013658B1 (ko)
WO (1) WO2011071152A1 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2659985T3 (es) * 2011-12-21 2018-03-20 Weerulin Gmbh Procedimiento para el aislamiento de una masa fundida de acero que se encuentra en un recipiente
JP6188632B2 (ja) * 2014-05-19 2017-08-30 株式会社神戸製鋼所 下注ぎ造塊方法
CN105108089A (zh) * 2015-07-31 2015-12-02 铜陵市大明玛钢有限责任公司 一种钢水表面保温剂的配置方法
CN105200186A (zh) * 2015-09-02 2015-12-30 铜陵翔宇商贸有限公司 一种钢水表面保温剂的配置方法
KR101798846B1 (ko) * 2016-09-12 2017-11-17 주식회사 포스코 차단재 및 이를 이용한 합금강 제조방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0233467B2 (ja) * 1988-06-16 1990-07-27 Yoshizawa Sekkai Kogyo Kk Kinzokuyoyuhoonzaitosonoseizohoho
CN1063432A (zh) * 1991-01-26 1992-08-12 黄胜利 钢水保温剂
JP2991879B2 (ja) * 1992-12-02 1999-12-20 新日本製鐵株式会社 溶鋼表面保温剤
JPH10263768A (ja) * 1997-03-24 1998-10-06 Sumitomo Metal Ind Ltd 転炉スラグの再利用方法
CN1064085C (zh) * 1998-07-16 2001-04-04 江苏江南铁合金厂 钢水表面保温兼精炼剂及其制备方法
JP4786252B2 (ja) * 2005-01-11 2011-10-05 新日本製鐵株式会社 溶鋼保温剤

Also Published As

Publication number Publication date
CN102652043B (zh) 2015-06-03
CN102652043A (zh) 2012-08-29
WO2011071152A1 (ja) 2011-06-16
BR112012013658A2 (pt) 2016-04-12
KR20120080249A (ko) 2012-07-16
JP4855554B2 (ja) 2012-01-18
KR101414941B1 (ko) 2014-07-07
JPWO2011071152A1 (ja) 2013-04-22

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL AND SUMITOMO METAL CORPORATION (JP)

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]
B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL CORPORATION (JP)

B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 10/12/2010, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO.