Hearth for a Metallurgical Furnace Having an Improved Wall Lining
    1.
    发明申请
    Hearth for a Metallurgical Furnace Having an Improved Wall Lining 有权
    具有改进的墙体衬里的冶金炉的炉床

    公开(公告)号:US20130119589A1

    公开(公告)日:2013-05-16

    申请号:US13812335

    申请日:2011-07-26

    CPC classification number: F27B1/14 C21B7/06 C21C5/44 F27D1/0006 F27D1/14

    Abstract: A hearth for a metallurgical reactor, in particular for a blast furnace, has an outer shell and an annular wall lining of refractory material inside the shell, the wall lining having a lower region with a multi-layered construction a radially inner layer faces the interior of the hearth and includes at least one inner ring of refractory elements, radially outer layer faces the outer shell and has at least one outer ring of refractory elements, where in the at least one inner ring elements are made of a first carbonaceous refractory material that is different from one or more carbonaceous refractory materials of the elements in the outer layer such that, the first refractory material contains, in a proportion of at least 5% by mass in total, at least one property-enhancing additive other than metallic silicon or silicon carbide. In beneficial combination therewith, the at least one inner ring has a wall thickness of less than 45%, of the corresponding total wall thickness of the wall lining.

    Abstract translation: 用于冶金反应器的炉底,特别是用于高炉的壳体具有壳体内的外壳和耐火材料的环形壁衬里,壁衬里具有多层结构的下部区域,径向内层面向内部 并且包括至少一个耐火元件的内环,径向外层面向外壳并且具有至少一个耐火元件外环,其中在至少一个内环元件中由第一含碳耐火材料制成, 与外层中的元素的一种或多种含碳耐火材料不同,使得第一耐火材料以总共至少5质量%的比例含有除金属硅以外的至少一种性能增强添加剂或 碳化硅。 在与其有利的组合中,所述至少一个内环的壁厚小于壁衬里的对应总壁厚的45%。

    Hearth for a metallurgical furnace having an improved wall lining
    3.
    发明授权
    Hearth for a metallurgical furnace having an improved wall lining 有权
    用于具有改进的壁衬的冶金炉的炉床

    公开(公告)号:US09587882B2

    公开(公告)日:2017-03-07

    申请号:US13812335

    申请日:2011-07-26

    CPC classification number: F27B1/14 C21B7/06 C21C5/44 F27D1/0006 F27D1/14

    Abstract: A hearth for a metallurgical reactor, in particular for a blast furnace, has an outer shell and an annular wall lining of refractory material inside the shell, the wall lining having a lower region with a multi-layered construction, a radially inner layer faces the interior of the hearth and includes at least one inner ring of refractory elements, radially outer layer faces the outer shell and has at least one outer ring of refractory elements, where in the at least one inner ring elements are made of a first carbonaceous refractory material that is different from one or more carbonaceous refractory materials of the elements in the outer layer such that, the first refractory material contains, in a proportion of at least 5% by mass in total, at least one property-enhancing additive other than metallic silicon or silicon carbide. In beneficial combination therewith, the at least one inner ring has a wall thickness of less than 45%, of the corresponding total wall thickness of the wall lining.

    Abstract translation: 用于冶金反应器的炉底,特别是用于高炉的壳体具有壳体内部的外壳和耐火材料的环形壁衬里,壁衬层具有多层结构的下部区域,径向内层面向 炉膛的内部并且包括至少一个耐火元件的内环,径向外层面向外壳并且具有至少一个耐火元件的外环,其中至少一个内环元件由第一碳质耐火材料制成 其与外层中的元素的一种或多种含碳耐火材料不同,使得第一耐火材料以总共至少5质量%的比例含有除金属硅以外的至少一种性能增强添加剂 或碳化硅。 在与其有利的组合中,所述至少一个内环的壁厚小于壁衬里的对应总壁厚的45%。

    CERAMIC BOTTOM LINING OF A BLAST FURNACE HEARTH'
    7.
    发明申请
    CERAMIC BOTTOM LINING OF A BLAST FURNACE HEARTH' 有权
    火炉底部的陶瓷底板'

    公开(公告)号:US20130276680A1

    公开(公告)日:2013-10-24

    申请号:US13994833

    申请日:2011-12-16

    Abstract: A hearth for a metallurgical furnace, in particular for a blast furnace, the hearth including a wall lining and a bottom lining of refractory material for containing a molten metal bath, the bottom lining including a lower region and an upper region that is arranged to cover the top of the lower region and that is built of ceramic elements, the ceramic elements of the upper region being made of microporous ceramic material including a granular phase made of a silico-aluminous high alumina content granular material and a binding phase for binding grains of said granular material, said microporous ceramic material having thus an maintaining permanently a thermal conductivity lower than 7 W/m.° K.

    Abstract translation: 一种用于冶金炉的炉底,特别是用于高炉的炉膛包括壁衬和耐火材料的底衬,用于容纳熔融金属浴,底衬包括下部区域和上部区域,其被设置为覆盖 下部区域的顶部并且由陶瓷元件构成,上部区域的陶瓷元件由微孔陶瓷材料制成,该微孔陶瓷材料包括由硅铝酸盐高氧化铝含量的颗粒材料制成的颗粒相和用于结合颗粒的结合相 所述颗粒材料,所述微孔陶瓷材料因此保持永久地导热率低于7W / m·°K.

    Ceramic bottom lining of a blast furnace hearth

    公开(公告)号:US09835331B2

    公开(公告)日:2017-12-05

    申请号:US13994833

    申请日:2011-12-16

    Abstract: A hearth for a metallurgical furnace, in particular for a blast furnace, the hearth including a wall lining and a bottom lining of refractory material for containing a molten metal bath, the bottom lining including a lower region and an upper region that is arranged to cover the top of the lower region and that is built of ceramic elements, the ceramic elements of the upper region being made of microporous ceramic material including a granular phase made of a silico-aluminous high alumina content granular material and a binding phase for binding grains of said granular material, said microporous ceramic material having thus an maintaining permanently a thermal conductivity lower than 7 W/m.° K.

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