Preparation of silicate or glass in a furnace with burners immersed in a reducing medium
    1.
    发明申请
    Preparation of silicate or glass in a furnace with burners immersed in a reducing medium 有权
    在浸入还原介质中的燃烧器的炉子中制备硅酸盐或玻璃

    公开(公告)号:US20070122332A1

    公开(公告)日:2007-05-31

    申请号:US10572452

    申请日:2004-09-07

    IPC分类号: C01F17/00

    摘要: The invention relates to a process for preparing a silicate of an element chosen from alkali metals, alkaline-earth metals or rare earths, comprising a reaction between silica and a sulfate of said element in a reactor equipped with at least one submerged burner within a molten mass, said submerged burner being fed with a gas containing oxygen, an excess of fuel/reducing agent being introduced into the reactor relative to the oxygen effectively consumed. The process allows the reaction to be carried out satisfactorily and at relatively low temperature.

    摘要翻译: 本发明涉及一种制备选自碱金属,碱土金属或稀土元素的元素的硅酸盐的方法,其包括在装有至少一个浸没的燃烧器的反应器内的二氧化硅和所述元素的硫酸盐之间的反应, 所述浸没式燃烧器供给含有氧的气体,相对于有效消耗的氧气将过量的燃料/还原剂引入反应器。 该方法使反应在令人满意的温度下进行。

    Preparation of silicate or glass in a furnace with burners immersed in a reducing medium
    4.
    发明授权
    Preparation of silicate or glass in a furnace with burners immersed in a reducing medium 有权
    在浸入还原介质中的燃烧器的炉子中制备硅酸盐或玻璃

    公开(公告)号:US07578988B2

    公开(公告)日:2009-08-25

    申请号:US10572452

    申请日:2004-09-07

    IPC分类号: C01B33/20 C01B33/24 C01B33/32

    摘要: The invention relates to a process for preparing a silicate of an element chosen from alkali metals, alkaline-earth metals or rare earths, comprising a reaction between silica and a sulfate of said element in a reactor equipped with at least one submerged burner within a molten mass, said submerged burner being fed with a gas containing oxygen, an excess of fuel/reducing agent being introduced into the reactor relative to the oxygen effectively consumed. The process allows the reaction to be carried out satisfactorily and at relatively low temperature.

    摘要翻译: 本发明涉及一种制备选自碱金属,碱土金属或稀土元素的元素的硅酸盐的方法,其包括在装有至少一个浸没的燃烧器的反应器内的二氧化硅和所述元素的硫酸盐之间的反应, 所述浸没式燃烧器供给含有氧的气体,相对于有效消耗的氧气将过量的燃料/还原剂引入反应器。 该方法使反应在令人满意的温度下进行。

    GLASS MELTING IN THE PRESENCE OF SULPHUR
    9.
    发明申请
    GLASS MELTING IN THE PRESENCE OF SULPHUR 审中-公开
    在硫磺存在下的玻璃熔化

    公开(公告)号:US20090277227A1

    公开(公告)日:2009-11-12

    申请号:US12439930

    申请日:2007-09-03

    IPC分类号: C03B37/07 C03B3/00

    CPC分类号: C03C1/004 C03C1/002

    摘要: The invention relates to a process for manufacturing a glass by melting, at more than 1300° C., batch materials comprising silica and an alkali or alkaline-earth metal sulfate, characterized in that a sulfide is added to the batch materials in order to reduce the height of foam at the surface of the bath of liquid glass at more than 1300° C. The invention reduces the formation of foam at the surface of the glass and improves the heat exchanges between the overhead burners and the glass bath. The invention is particularly suitable for glass intended to be fiberized.

    摘要翻译: 本发明涉及一种通过在超过1300℃下熔化包含二氧化硅和碱金属或碱土金属硫酸盐的批料的玻璃制造方法,其特征在于将硫化物加入到批料中以便减少 液体玻璃浴表面的泡沫高度超过1300℃。本发明减少了玻璃表面泡沫的形成,改善了塔顶燃烧器和玻璃浴之间的热交换。 本发明特别适合于要被纤维化的玻璃。