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    FEUERFESTE MATERIALIEN ENTHALTEND EINEN MISCHKRISTALL MIT SPINELL-STRUKTUR
    12.
    发明公开
    FEUERFESTE MATERIALIEN ENTHALTEND EINEN MISCHKRISTALL MIT SPINELL-STRUKTUR 审中-公开
    FEEERFESTE MATERIALIEN ENTHALTEND EINEN MISCHKRISTALL MIT SPINELL-STRUKTUR

    公开(公告)号：EP3116843A1

    公开(公告)日：2017-01-18

    申请号：EP15709207.3

    申请日：2015-03-12

    申请人： LANXESS Deutschland GmbH

    发明人： FRIEDRICH, Holger ,  BOLL, Matthias ,  STRASSER, Hans ,  ORTMANN, Rainer

    IPC分类号： C04B35/01 ,  C04B35/04 ,  C04B35/047 ,  C04B35/105 ,  C04B35/12 ,  C04B35/42 ,  C04B35/48 ,  C04B35/63 ,  C04B35/66

    CPC分类号： C04B35/105 ,  C04B35/047 ,  C04B35/12 ,  C04B35/26 ,  C04B35/42 ,  C04B35/482 ,  C04B35/6265 ,  C04B35/63 ,  C04B35/6303 ,  C04B35/6306 ,  C04B35/634 ,  C04B35/66 ,  C04B2235/3217 ,  C04B2235/3231 ,  C04B2235/3241 ,  C04B2235/3243 ,  C04B2235/3244 ,  C04B2235/422 ,  C04B2235/424 ,  C04B2235/425 ,  C04B2235/656 ,  C04B2235/72 ,  C04B2235/728 ,  C04B2235/761 ,  C04B2235/763 ,  C04B2235/96

    摘要： Refractory materials obtained by heating a mixture Z to at least 250°C, preferably to at least 350°C, characterized in that the mixture Z comprises the following components: * 80% to 97% by weight of a component A, where the percentages by weight are based on the total mass of components A, B and, if present, C in the mixture Z which consists to an extent of at least 80% by weight, preferably to an extent of at least 90% by weight, where the percentages by weight are based on component A, of one or more of the oxides selected from the group consisting of Al
    2 O
    3 , Zr O
    2 , Be O, Mg O, Ti O
    2 , Fe
    2 O
    3 , Cr
    2 O
    3 , La
    2 O
    3 , Ta
    2 O
    5 and SnO
    2 , and * 3% to 15% by weight of a component B, where the percentages by weight are based on the total mass of components A, B and, if present, C in the mixture Z, and component B comprises to an extent of at least 80% by weight, preferably to an extent of at least 85% by weight, more preferably to an extent of at least 90% by weight, where the percentages by weight are based on component B, a mixed crystal having spinel structure comprising at least the oxides Fe
    2 O
    3 , Al
    2 O
    3 , Mg O and Cr
    2 O
    3 , where the mixed crystal having spinel structure of component B contains * 30% to 80% by weight, preferably 40% to 68% by weight, of Fe
    2 O
    3 , * 10% to 60% by weight, preferably 15% to 43% by weight, of Al
    2 O
    3 , * 5% to 55% by weight, preferably 10% to 38% by weight, of MgO and * 5% to 55% by weight, preferably 7% to 35% by weight, of Cr
    2 O
    3 , where the percentages by weight are based on the mass of the mixed crystal having spinel structure, and * 0% to 15% by weight of a component C, where the percentages by weight are based on the total mass of components A, B and, if present, C in the mixture Z which consists to an extent of at least 86% by weight, preferably to an extent of at least 92% by weight, where the percentages by weight are based on component C, of carbon.

    摘要翻译： 通过将混合物Z加热至至少250℃，优选至少350℃获得的耐火材料，其特征在于混合物Z包含以下组分：80重量％至97重量％的组分A，其中百分比 重量百分比是基于组分A，B的总质量，如果存在，混合物Z中的C为至少80重量％，优选至少90重量％的程度，其中 重量百分比基于选自Al 2 O 3，ZrO 2，Be O，MgO，TiO 2，Fe 2 O 3，Cr 2 O 3，La 2 O 3，Ta 2 O 5和SnO 2中的一种或多种氧化物的组分A和* 3％ 至15重量％的组分B，其中重量百分比基于组分A，B的总质量，如果存在，则混合物Z中的C和组分B包含至少80％的程度 重量，优选至少85重量％，更优选至少90重量％的程度，其中重量百分比 基于组分B的具有尖晶石结构的混晶，至少包含氧化物Fe 2 O 3，Al 2 O 3，MgO和Cr 2 O 3，其中具有组分B的尖晶石结构的混合晶体含有30％至80％重量比，优选40％至 68重量％的Fe 2 O 3，* 10〜60重量％，优选为15〜43重量％的Al 2 O 3，* 5〜55重量％，优选为10〜38重量％的MgO及 * 5重量％至55重量％，优选7重量％至35重量％的Cr 2 O 3，其中重量百分比基于具有尖晶石结构的混合晶体的质量，和* 0重量％至15重量％ 组分C，其中重量百分比基于组分A，B的总质量，如果存在，混合物Z中的C为至少86重量％，优选至少为92重量 重量％，其中重量百分比是基于组分C的碳。

    PRODUIT REFRACTAIRE A BASE D'OXYDE DE CHROME
    13.
    发明公开
    PRODUIT REFRACTAIRE A BASE D'OXYDE DE CHROME 有权
    FEUERFESTES PRODUKT AUF DER BASIS VON CHROMOXYD

    公开(公告)号：EP2603465A1

    公开(公告)日：2013-06-19

    申请号：EP11746657.3

    申请日：2011-07-22

    申请人： Saint-Gobain Centre De Recherches Et D'etudes Europeen

    发明人： LINNOT, Cyril ,  MOITRIER, Lionel ,  BOUSSANT ROUX, Yves, Marcel, Léon ,  CITTI, Olivier ,  AVEDIKIAN, Richard

    IPC分类号： C03B5/43 ,  C04B35/101 ,  C04B35/105 ,  C04B35/106 ,  C04B35/12 ,  C04B35/66

    CPC分类号： C03B5/43 ,  C04B35/105 ,  C04B35/106 ,  C04B35/12 ,  C04B35/6261 ,  C04B35/6262 ,  C04B35/62665 ,  C04B2235/3201 ,  C04B2235/3208 ,  C04B2235/3217 ,  C04B2235/3232 ,  C04B2235/3241 ,  C04B2235/3244 ,  C04B2235/3418 ,  C04B2235/5409 ,  C04B2235/5427 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/72 ,  C04B2235/77 ,  C04B2235/96 ,  C04B2235/963 ,  C04B2235/9692 ,  Y10T428/2982

    摘要： The invention relates to a device selected from among a glass furnace and a channel for dispensing the glass comprising a block and/or a coating made of a sintered material obtained by sintering a particular mixture comprising a chromium oxide content, indicated as "Cr
    T ", of between 10% and 82%. The die fraction is such that 0.39.(Cr
    T )+24 M T )+52, Cr
    M denoting the chromium oxide content by weight of the die fraction in wt % on the basis of the oxides of the die, and the aggregate is such that x
    II ≥ 97%, x
    III ≥ 70%, and x
    IV ≤ x
    III - 70%, Cr
    G denoting the chromium oxide content by weight of one grain in wt % on the basis of the oxides of said grain. x
    II denotes the amount, in wt % on the basis of the aggregate, of grains having the following conditions (II): if 10% ≤ Cr
    T ≤ 30%, then Cr
    G ≤ 0.018.(Cr
    T )
    2 - 0.390.(Cr
    T )+58.8; if 30% ≤ Cr
    T ≤ 60%, then Cr
    G ≤ 1.22.( Cr
    T )+26.7; and if 60% T ≤ 82%, then Cr
    G ≤ 100. X
    III denotes the amount, in wt % on the basis of the aggregate, of grains having the following conditions (III): if 10% ≤ Cr
    T ≤ 30%, then 0.018.(Cr
    T )
    2 - 0.390.(Cr
    T )+9.10 ≤ Cr
    G ≤ 0.18.(Cr
    T )
    2 - 0.390.(Cr
    T )+25.10; if 30% T ≤ 60%, then 1.17.(Cr
    T ) - 21.5 ≤ Cr
    G ≤ 1.17. (Cr
    T ) - 5.5; and if 60% T ≤ 82%, then 1.17.(Cr
    T ) - 21.5 ≤ Cr
    G ≤ 1.67. (Cr
    T ) - 35.5. x
    IV denotes the amount, in wt % on the basis of the aggregate, of grains having the following conditions (IV): if 10% ≤ Cr
    T ≤ 30%, then 0.018.(Cr
    T )
    2 - 0.390.(Cr
    T )+9.10 > Cr
    G ; if 30% T ≤ 60%, then 1.17.(Cr
    T ) - 21.5 > Cr
    G ; and if 60% T ≤ 82%, then 1.17.(Cr
    T ) - 21.5 > Cr
    G . The invention can be used for a glass furnace.

    摘要翻译： 本发明涉及一种颗粒粉末，所述粉末具有大于0.87重量％且小于9.0重量％的具有大于100μm尺寸的颗粒的中值圆形度。 该粉末和至少80重量％的颗粒具有以氧化物计的重量％的化学组成，总计为100％：Cr 2 O 3 + Al 2 O 3 + ZrO 2 + MgO + Fe 2 O 3 + SiO 2 + TiO 2≥90％。 的Cr2O3 +氧化铝+ MgO的≧60％; 的Cr2O3≧9％; 20％的SiO 2≧≧0.5％; 和其他氧化物：＆nlE; 10％。 本发明可用于玻璃熔炉。

    PRODUIT D'OXYDE DE CHROME
    18.
    发明公开
    PRODUIT D'OXYDE DE CHROME 审中-公开

    公开(公告)号：EP2906514A1

    公开(公告)日：2015-08-19

    申请号：EP13818382.7

    申请日：2013-10-15

    申请人： Saint-Gobain Centre de Recherches et d'Etudes Européen

    发明人： RAFFIN, Nicolas ,  SAN MIGUEL, Laurie

    IPC分类号： C04B35/105 ,  C04B35/12 ,  C04B35/42 ,  C04B35/48 ,  C10J3/66 ,  C10J3/74

    摘要： A sintered refractory product having a granulate bonded by a matrix and comprising, in percentages by mass based on the oxides, -more than 40% chromium oxide Cr
    2 O
    3 , -less than 50% aluminium oxide Al
    2 O
    3 , -1% or more zirconium oxide ZrO
    2 , of which at least 20% by mass is stabilised in the cubic and/or quadratic form, -0.1% or more yttrium oxide Y
    2 O
    3 , acting as a stabiliser for the zirconium oxide ZrO
    2 , -less than 1.9% hafnium oxide HfO
    2 , the total content of chromium, aluminium and zirconium oxides Cr
    2 O
    2 + Al
    2 O
    3 + ZrO
    2 being greater than 70%.

    摘要翻译： 一种烧结耐火制品，其特征在于，由基体结合的颗粒构成，以氧化物为基准的质量百分比含有40％以上的氧化铬Cr 2 O 3，50％以上的氧化铝Al 2 O 3，-1％以上 其中至少20质量％以立方和/或二次形式稳定的氧化锆ZrO 2，作为氧化锆ZrO 2的稳定剂的-0.1％或更多的氧化钇Y 2 O 3， - 少于1.9 ％氧化铪HfO 2，铬，铝和锆氧化物Cr 2 O 2 + Al 2 O 3 + ZrO 2的总含量大于70％。