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    • 7. 发明公开
    • Method and apparatus for manufacturing quartz glass ingot
    • Verfahren und Vorrichtung zur Herstellung vonQuarzglaskörpern
    • EP1160209A3
    • 2002-07-03
    • EP01113080.4
    • 2001-05-29
    • Tosoh Quartz Corporation
    • Gotoh, YoshihikoSatoh, ShinichiKudoh, Masakazu
    • C03B19/01C03B19/09C03B19/14C03B17/04C03B17/06
    • F23D14/32C03B17/04C03B17/06C03B19/01C03B19/09C03B19/1407C03B19/1423C03B2207/06C03B2207/12C03B2207/14C03B2207/42C03B2207/54F23C2900/9901F23D14/22
    • The invention provides a method and apparatus for manufacturing quartz glass large scale ingot by flame deposition in a furnace, including the steps of rotating the furnace, depositing a fused silica from passing silica powder through a flame burner onto the base of the rotating furnace, and extending the deposit outwardly by heating and rotation of the furnace, thereby a quartz glass ingot is obtained. A quartz glass burner (figs 9-14) is installed at the ceiling of the furnace, hydrogen gas supplied to the burner is flowing down along the tapered wall of the oxygen chamber and being ejected into the outer casing part of the hydrogen gas is deflected to the center of the burner, and mixed with the oxygen just after the ejection from the oxygen gas nozzles thereby the flame is formed smoothly and the thermal efficiency is improved, The flame becomes wide enough and the silica powder transported by the hydrogen gas is uniformly fused by the flame and heat capacity of the fused silica. The method and apparatus can be used to produce slab ingots directly from the rotating furnace base (mould) or by drawing through a nozzle in the base, rods or tubes may be produced (figs 3-8).
    • 本发明提供一种在炉内进行火焰水解反应的石英玻璃大型板坯锭的制造方法,包括以下步骤:使炉子旋转,在炉床上沉积熔融二氧化硅,并通过加热和旋转 炉,从而获得石英玻璃板坯锭。 石英玻璃燃烧器安装在炉顶上,供给燃烧器的氢气沿着氧气室的锥形壁向下流动,并被喷射到外壳的部分氢气被偏转到燃烧器的中心 并从氧气喷嘴喷出后立即与氧气混合,从而平稳地形成火焰,提高热效率,火焰变得足够宽,由氢气输送的二氧化硅粉末被火焰和热量均匀地熔融 熔融二氧化硅的容量。