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    Furnace for porcelain enameling
    22.
    发明授权
    Furnace for porcelain enameling 失效
    炉搪瓷炉

    公开(公告)号：US4310300A

    公开(公告)日：1982-01-12

    申请号：US182467

    申请日：1980-08-28

    申请人： Peter B. Mackenzie

    发明人： Peter B. Mackenzie

    IPC分类号： C23D9/04 ,  F26B3/28 ,  F26B3/30 ,  F27B9/08 ,  F27B9/24 ,  F27B9/00 ,  F27B9/02

    CPC分类号： F27B9/2461 ,  C23D9/04 ,  F26B3/28 ,  F26B3/305 ,  F27B9/082

    摘要： An apparatus for the continuous porcelain enameling of sheet ware including the combination, in succession, of a drying zone for the incoming ware either integral or separate, a pre-heating zone for the ware following the drying zone, a heating zone for the ware after the pre-heating zone or zones, in which the porcelain enamel coating is fused onto the surface, and a cooling zone or zones. Burner means are provided for introducing hot combustion gases into a serpentine tube radiant heater which is in the heating zone to heat the ware by means of flameless radiation. After leaving the heating zone, the hot combustion gases are directed into the final pre-heating zone where they transfer some of their heat to the ware passing through that zone. Finally, the combustion gases leaving the pre-heating zone are directed into the drying zone where they transfer heat by convection to remove moisture and slightly pre-heat the ware, whereupon the relatively cool combustion gases are exhausted from the drying zone.The present invention also contemplates a method for fusing a porcelain enamel coating onto a piece of ware by passing the ware sequentially through the aforementioned zones, passing combustion gases in countercurrent relationship to the movement of the ware, so that most of the usable heat in the hot combustion gases is used as it passes successively through the pre-heating and drying zone and the gases can be exhausted from the drying zone at a relatively low temperature.

    摘要翻译： 一种用于连续瓷搪瓷的设备，包括一体化或分离的进料干燥区域的组合，用于在干燥区之后的器皿的预热区域，用于器具的加热区域 其中瓷釉涂层熔合到表面上的预热区或区域以及冷却区或区域。 提供燃烧器装置用于将热燃气引入到加热区中的蛇形管辐射加热器，以通过无焰辐射来加热器皿。 在离开加热区之后，热的燃烧气体被引导到最终的预热区域中，在那里它们将一些热量转移到穿过该区域的器皿中。 最后，离开预热区的燃烧气体被引导到干燥区，在那里它们通过对流传递热量以除去水分并稍微预热器皿，于是相对较冷的燃烧气体从干燥区排出。 本发明还考虑了一种通过使器皿顺序地通过上述区域将瓷釉涂层熔合到一件器皿上的方法，使燃烧气体与器皿的移动成逆向关系，使得大部分可用的热量在 使用热燃烧气体，因为其连续通过预热和干燥区域，并且气体可以在相对低的温度下从干燥区域排出。