Method and apparatus for glass melting using roof-mounted oxy-fuel burners
    6.
    发明公开
    Method and apparatus for glass melting using roof-mounted oxy-fuel burners 有权
    安装在拱顶氧 - 燃料燃烧器,一种用于借助于熔化玻璃加工

    公开(公告)号:EP1236691A2

    公开(公告)日:2002-09-04

    申请号:EP02251476.4

    申请日:2002-03-02

    IPC分类号: C03B5/235 F23D14/32

    摘要: A method of melting glass forming material in a glass melting furnace, said furnace having a back wall, breast walls above sidewalls, and a downstream front wall connected to a roof, wherein at least one batch charger for charging glass forming batch material is contained in at least one of the back wall and the sidewall, comprising providing at least one oxy-fuel burner in the roof of said furnace over said batch material, wherein said at least one oxy-fuel burner is adapted for staged combustion; providing a flow of fuel to said at least one oxy-fuel burner; providing a flow of gaseous oxidant in association with said at least one oxy-fuel burner; injecting the fuel and the oxidant into the furnace, wherein the fuel jet comprises one of a substantially fuel only jet and a fuel rich fuel-oxidant mixture, and wherein the oxidant jet comprises one of a substantially oxidant only jet and a fuel lean fuel-oxidant mixture, wherein the injected fuel jet and the injected oxidant jet are separated, and are optionally angled with respect to the other, by an amount sufficient to cause the respective flows to converge proximate to or at the surface of the glass forming material, preferably wherein the fuel jet and oxidant jet are separated and angled with respect to each other from 0° to about 90°; and, combusting said fuel from at least said one oxy-fuel burner such that at least a portion of combustion is effected in the vicinity of said glass forming material to enhance convective and radiative transfer of heat to said glass forming material without substantially disturbing said glass forming material; optionally wherein the mixing of said fuel and said oxidant is delayed to localize combustion proximate to or at the surface of said glass forming material, optionally including staging the flow of fuel from the oxy-fuel burner, and further optionally including fully combusting reactive intermediate species proximate to or at the glass forming material surface.

    摘要翻译: 在玻璃熔化炉中熔化玻璃形成材料的方法,具有一个后壁,乳房壁上面的侧壁,并连接到屋顶上的下游前壁,worin至少一个装料用于充电玻璃形成批料所述炉子被包含在 后壁和侧壁中的至少一个,其包括在所述炉在所述批料的屋顶提供至少一个氧 - 燃料燃烧器,worin所述至少一个氧 - 燃料燃烧器是angepasst补燃; 提供燃料至所述至少一个氧 - 燃料燃烧器的流动; 提供气态氧化剂的相关联地,所述至少一个氧 - 燃料燃烧器的流动; 喷射燃料和氧化剂到炉内,worin燃料射流包括大致燃料喷射只和一个富燃料的燃料 - 氧化剂混合物,并且worin氧化剂流包括基本上只氧化剂射流中的一个和一个燃料稀薄燃一个 氧化剂混合物,worin喷射的燃料喷射和喷射的氧化剂射流以量足以使respectivement分离,并相对于任选倾斜到另一个,通过流向会聚接近或在玻璃的表面形成材料,优选 worin燃料射流和氧化剂射流被分离并成角度相对于海誓山盟从0°至约90°; 并且,从至少燃烧所述燃料,所述一个氧 - 燃料燃烧器的调查做至少燃烧的一部分被实现在所述玻璃的附近形成材料,以增强对流和热辐射传输到所述玻璃形成材料而基本上不会干扰所述玻璃 形成材料; OPTIONALLY worin所述燃料和所述氧化剂的混合被延迟,以定位燃烧接近或在所述玻璃的表面形成材料,任选地包括分级燃料从氧 - 燃料燃烧器的流动,并进一步任选地包括完全燃烧的反应性中间物质 靠近或在玻璃形成材料的表面。

    Two stage batch liquefaction process and apparatus
    9.
    发明公开
    Two stage batch liquefaction process and apparatus 失效
    Verfahren und Vorrichtung zum Schmelzen von Gemenge在zwei Stufen。

    公开(公告)号:EP0132654A1

    公开(公告)日:1985-02-13

    申请号:EP84107897.5

    申请日:1984-07-06

    摘要: Liquefying of pulverulent batch materials (e.g., glass batch) is carried out in two stages. The first stage (10) utilizes extended gas/solid contact to heat the materials to an intermediate temperature, and may recover waste heat. The second stage (12) rapidly liquefies the material in a cavity lined with the batch material, and may employ substantially nitrogen-free heatsources. Another aspect involves maintaining a wet condition in the first stage to entrap particulates.

    摘要翻译: 粉碎的批料(例如玻璃批料)的液化分两个阶段进行。 第一阶段(10)利用扩展的气体/固体接触将材料加热到中间温度,并且可以回收废热。 第二阶段(12)快速地使在批次材料内衬的空腔中的材料液化,并且可以采用基本上无氮的热源。 另一方面涉及在第一阶段保持湿润状态以截留颗粒物。