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    Method and means for preventing low temperature corrosion, by sulphur containing flue gases, of the terminal parts of air heating means
    1.
    发明授权
    Method and means for preventing low temperature corrosion, by sulphur containing flue gases, of the terminal parts of air heating means 失效
    用于防止低温腐蚀的方法和手段，由含有烟气的烟气，空气加热装置的终端部件

    公开(公告)号：US3693353A

    公开(公告)日：1972-09-26

    申请号：US3693353D

    申请日：1970-05-14

    申请人： JACQUES LEMOINE ,  LUGAND PAUL

    发明人： LEMOINE JACQUES ,  LUGAND PAUL

    IPC分类号： F01D25/00 ,  F01K9/02 ,  F01K7/44

    CPC分类号： F01K9/023 ,  F01D25/007

    摘要： In order to prevent corrosion of economizers and the like structures carried in the output section of steam generators burning sulphur-containing fuel, the feed water circuit for the steam generator includes the usual heat exchangers followed by a deaerator feeding the economizers and the temperature of the water supplied by the deaerator to the economizers is raised on an adjustable extent above corrosion temperature by steam extracted from different points of the steam turbine. Gates controlled by the pressure in the deaerator control the flow of steam out of these different points to ensure the desired pressure and temperature in the deaerator.

    摘要翻译： 为了防止在燃烧含硫燃料的蒸汽发生器的输出部分中承载的节能器和类似结构的腐蚀，用于蒸汽发生器的给水回路包括通常的热交换器，随后是供给节能器的脱气器和 通过从蒸汽轮机的不同点提取的蒸汽，由除氧器供给到节能器的水可以在高于腐蚀温度的可调节范围上升高。 由除气器中的压力控制的门控制蒸汽流出这些不同点，以确保除气器中所需的压力和温度。