BR9907304A - Refretário de alumina-magnésia-grafita - Google Patents

Refretário de alumina-magnésia-grafita

Info

Publication number
BR9907304A
BR9907304A BR9907304-8A BR9907304A BR9907304A BR 9907304 A BR9907304 A BR 9907304A BR 9907304 A BR9907304 A BR 9907304A BR 9907304 A BR9907304 A BR 9907304A
Authority
BR
Brazil
Prior art keywords
graphite
alumina
magnesia
refractory
compound
Prior art date
Application number
BR9907304-8A
Other languages
English (en)
Other versions
BR9907304B1 (pt
Inventor
Koji Ogata
Shoji Iitsuka
Original Assignee
Krosaki 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 Krosaki Corp filed Critical Krosaki Corp
Publication of BR9907304A publication Critical patent/BR9907304A/pt
Publication of BR9907304B1 publication Critical patent/BR9907304B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/013—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics containing carbon
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/101—Refractories from grain sized mixtures
    • C04B35/1015—Refractories from grain sized mixtures containing refractory metal compounds other than those covered by C04B35/103 - C04B35/106
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/101—Refractories from grain sized mixtures
    • C04B35/103—Refractories from grain sized mixtures containing non-oxide refractory materials, e.g. carbon
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C04B2235/3222—Aluminates other than alumino-silicates, e.g. spinel (MgAl2O4)
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

Abstract

"REFRATáRIO DE ALUMINA-MAGNéSIA-GRAFITA" Um refratário do tipo de alumina-magnésia-grafita reutilizável adequadamente empregado como um refratário para lingotamento contínuo, tal como um longo bocal usado para derramamento de um metal fundido de uma caçamba capaz de reutilização ou de uso intermitente em um depósito intermediário, um bocal de imersão empregado para carregar um metal fundido de um depósito intermediário para um molde e um tampão longo para controlar a vazão de fluxo de aço fundido; e produzido por misturação de 3 a 60% em peso de magnésia possuindo um tamanho de partícula de 0,02 a 1,0 mm em um composto compreendendo principalmente alumina e grafita, e amassamento, moldagem e cozimento do composto. O composto matéria-prima compreendendo principalmente alumina e grafita pode conter espinélio e zircónia.
BRPI9907304-8A 1998-01-28 1999-01-25 refratÁrio de alumina-magnÉsia-grafita. BR9907304B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1612398 1998-01-28
PCT/JP1999/000304 WO1999038818A1 (fr) 1998-01-28 1999-01-25 Matiere refractaire de type alumine-magnesie-graphite

Publications (2)

Publication Number Publication Date
BR9907304A true BR9907304A (pt) 2001-09-04
BR9907304B1 BR9907304B1 (pt) 2008-11-18

Family

ID=11907743

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9907304-8A BR9907304B1 (pt) 1998-01-28 1999-01-25 refratÁrio de alumina-magnÉsia-grafita.

Country Status (10)

Country Link
US (1) US6461991B1 (pt)
EP (1) EP1052233B1 (pt)
JP (1) JP3283883B2 (pt)
CN (1) CN1310847C (pt)
AU (1) AU760214B2 (pt)
BR (1) BR9907304B1 (pt)
CA (1) CA2319660C (pt)
DE (1) DE69936979T2 (pt)
ES (1) ES2288772T3 (pt)
WO (1) WO1999038818A1 (pt)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3722405B2 (ja) * 1999-10-19 2005-11-30 品川白煉瓦株式会社 鋼の連続鋳造方法
AU2002367502A1 (en) * 2002-08-08 2004-03-03 Pedro Fajardo Sola Refractory coating for ladles used in the stainless steel industry
JP4331924B2 (ja) * 2002-08-22 2009-09-16 黒崎播磨株式会社 薄板用溶鋼の連続鋳造方法
JP4629461B2 (ja) * 2005-03-04 2011-02-09 黒崎播磨株式会社 連続鋳造用ノズル
DE102007010365B4 (de) * 2007-03-03 2009-01-15 Refractory Intellectual Property Gmbh & Co. Kg Verwendung eines keramischen Erzeugnisses für die Auskleidung eines Zement-Drehrohrofens
US9289024B2 (en) 2007-04-16 2016-03-22 Riddell, Inc. Protective sports helmet
EP2169311A1 (de) * 2008-09-29 2010-03-31 Siemens Aktiengesellschaft Materialmischung zur Herstellung eines Feuerfestwerkstoffes, Feuerfestformkörper und Verfahren zu seiner Herstellung
US8030235B2 (en) * 2008-12-18 2011-10-04 North American Refractories Company Refractory brick for steel ladles
CN101550004B (zh) * 2009-05-04 2012-07-18 哈尔滨工业大学 一种石墨-碳化锆抗氧化烧蚀型材料及其制备方法
CN101935231B (zh) * 2010-08-24 2012-10-10 中钢集团洛阳耐火材料研究院有限公司 一种复合耐火窑具的制备方法
CN102039403A (zh) * 2011-01-18 2011-05-04 北京利尔高温材料股份有限公司 一种连铸低碳易切削钢用尖晶石质复合整体塞棒的制作方法
JP6027676B2 (ja) * 2013-03-21 2016-11-16 黒崎播磨株式会社 耐火物及び鋳造用ノズル
DE102013008855B9 (de) * 2013-05-23 2015-04-23 Refratechnik Holding Gmbh Graphithaltiges feuerfestes Erzeugnis und Verfahren zu seiner Herstellung
CN105036716B (zh) * 2015-07-09 2017-09-22 青岛西海岸高新材料有限公司 一种耐腐蚀耐火材料及其制备方法
CN110064742A (zh) * 2019-06-10 2019-07-30 成渝钒钛科技有限公司 一种二炼钢中包连浇炉数深化研究方法
CN110655399B (zh) * 2019-09-06 2022-01-11 钟祥市中原电子有限责任公司 一种钢水定氢探头用透气陶瓷头及其制备方法
CN111704444A (zh) * 2020-06-28 2020-09-25 无锡市强亚耐火材料有限公司 一种耐腐蚀抗冲刷耐火材料及其制备工艺
US11346514B2 (en) 2020-09-14 2022-05-31 Heathco Llc Rotationally adjustable outdoor security light

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3333971A (en) * 1965-12-29 1967-08-01 Kaiser Aluminium Chem Corp Refractory composition
DE2459601B1 (de) * 1974-12-13 1976-03-04 Mannesmann Ag Feuerfeste keramische masse
JPS5954671A (ja) * 1982-09-17 1984-03-29 川崎炉材株式会社 スライデイングノズル用プレ−ト耐火物の製造法
JPS61232266A (ja) * 1985-04-08 1986-10-16 日本鋼管株式会社 浸漬ノズル用アルミナ−カ−ボン質耐火物の製造方法
JPH01108158A (ja) * 1987-10-20 1989-04-25 Kawasaki Refract Co Ltd 溶融金属精錬用耐火煉瓦
JPH03141152A (ja) * 1989-10-24 1991-06-17 Kawasaki Refract Co Ltd 含炭素不焼成耐火れんが
JPH0714832B2 (ja) * 1989-12-15 1995-02-22 東芝セラミックス株式会社 連続鋳造用耐火物の製造方法
JPH03257061A (ja) * 1990-03-02 1991-11-15 Kobe Steel Ltd 連続鋳造用タンディッシュにおける溶鋼排出機構部の溶鋼接触面用耐火物
KR940006422B1 (ko) * 1991-12-30 1994-07-20 삼화화성 주식회사 정련용 마그네시아-스피넬-카본질 내화물
JPH0664962A (ja) * 1992-08-21 1994-03-08 Nippon Steel Corp 窯炉用耐火物内張
JP2575580B2 (ja) * 1993-01-28 1997-01-29 品川白煉瓦株式会社 炭素含有耐火物
JPH06287057A (ja) * 1993-03-31 1994-10-11 Nippon Steel Corp 炭素含有耐火物
JPH10101407A (ja) * 1996-10-02 1998-04-21 Yotai Refractories Co Ltd 炉底電極用アルミナ−マグネシア−カーボン耐火物
JPH10212159A (ja) * 1997-01-27 1998-08-11 Yotai Refractories Co Ltd 炉床電極用アルミナ−マグネシア−カーボン系耐火物
JPH118158A (ja) * 1997-06-16 1999-01-12 Matsushita Electric Ind Co Ltd チップコンデンサアレイ

Also Published As

Publication number Publication date
DE69936979D1 (de) 2007-10-11
EP1052233A1 (en) 2000-11-15
ES2288772T3 (es) 2008-01-16
EP1052233A4 (en) 2004-11-03
US6461991B1 (en) 2002-10-08
AU2075399A (en) 1999-08-16
BR9907304B1 (pt) 2008-11-18
CA2319660A1 (en) 1999-08-05
EP1052233B1 (en) 2007-08-29
CN1310847C (zh) 2007-04-18
AU760214B2 (en) 2003-05-08
DE69936979T2 (de) 2008-05-21
JP3283883B2 (ja) 2002-05-20
CN1291177A (zh) 2001-04-11
CA2319660C (en) 2005-03-29
WO1999038818A1 (fr) 1999-08-05

Similar Documents

Publication Publication Date Title
BR9907304A (pt) Refretário de alumina-magnésia-grafita
CN104355634B (zh) 一种氧化铝质电炉盖及其制备方法
GB1593371A (en) Refractory structures
BR9906666A (pt) Método de vazamento contìnuo e dispositivo para o mesmo
KR20060036484A (ko) 강철의 연속 주조용 침지 노즐 및 그것을 사용하는 강철의연속 주조 방법
KR20090076011A (ko) 연속주조용 침지노즐의 내화물
GB2095612A (en) Improve monoblock one-piece pouring stopper
EP0074988B1 (en) Improved monoblock one-piece pouring stopper
EP0020022A1 (en) Plastic refractories with fused alumina-chrome grog
MXPA03008802A (es) Articulo refractario que tiene un revestimiento ligado con resina.
JPWO2004082868A1 (ja) 連続鋳造ノズル
GB2083896A (en) Refractory blocks for metal pouring vessels
GB1575602A (en) Refractory structures for outlet valves for metallurgical vessels
JPS55158858A (en) Immersion nozzle for continuous casting of molten steel
NL8201790A (nl) Basisch, vuurvast, cementhoudend materiaal en componenten ervan.
JPS63101059A (ja) ２層構造の高耐食性浸漬ノズル
GB1575603A (en) Refractory structures for outlet valves for metallurgical vessels
JP4437101B2 (ja) 連続鋳造用浸漬ノズル
JPS61127672A (ja) マグネシア質流し込み耐火物
JPS577367A (en) Immersion nozzle for continuous casting
JPS5813465A (ja) 摺動開閉装置用プレ−ト煉瓦
EP0149164A3 (en) Pouring nozzle consisting of several longitudinal sections for supplying liquid metal into the mould for continuous casting and process of making such a nozzle
DE69902569T2 (de) Ausgussdüse zum kontinuierlichen Giessen von Stahl
JPH0320035Y2 (pt)
JPS57184562A (en) Immersion nozzle for continuous casting

Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
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 25/01/1999, 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 16A 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 2290 DE 25-11-2014 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.