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    • 10. 发明授权
    • High efficiency direct-contact high temperature water heater
    • 高效率直接接触高温热水器
    • US5967137A
    • 1999-10-19
    • US949556
    • 1997-10-14
    • Remi Pierre GuilletLuc MandevillePascal BocherelStephane BrunetGeorges VabreDaniel Billy
    • Remi Pierre GuilletLuc MandevillePascal BocherelStephane BrunetGeorges VabreDaniel Billy
    • F24H7/02F23C9/06F24D3/00F24H1/10F24H8/00F22B37/00
    • F24H8/003F24H1/107Y02B30/104
    • A gas-fired direct-contact water heater system 10 is described. It consists of a first housing 11, 50, 80 having a packing 16, 51, 81 of heat exchange elements 17 and on which water is sprayed. A burner 18, 52, 83 is disposed on the side of the housing under the packing. A combustible gas feed pipe is connected to the burner 18, 52, 83 to provide a combustible gas to the burner. A water collection reservoir 20, 58, 86 is defined below the burner for collecting heated water. A further packing 31-59-91 having heat exchange elements is located in a further housing 30-60-90 and it is also sprayed water. Ambient air is admitted under this packing by a blower 32-63-101 whereby the air is humidified and heated and supplied to the burner for admixture with the gas whereby to obtain a higher combustion product dew point and a reduction in the NO.sub.x emission when burned. A further water collecting reservoir 35, 62-93 is defined in the second housing 30-60-90 below the packing 31, 59, 91 for collecting water percolated through the further packing. Heated water is convected through a first conduit 36, 69, 107 from the water collection reservoir 35, 62, 93 in the first housing. A further conduit 36, 76', 99 is also provided for convecting water from the further housing. The flue gases from the first packing are also cooled in a third packing before being released to atmosphere.
    • 描述了燃气式直接接触式热水器系统10。 它包括具有热交换元件17的填料16,51,81的第一壳体11,50,80,在其上喷洒水。 燃烧器18,52,83设置在壳体的包装下面的一侧。 可燃气体供给管连接到燃烧器18,52,83以向燃烧器提供可燃气体。 集水箱20,58,86定义在燃烧器的下面用于收集热水。 具有热交换元件的另一包装31-59-91位于另外的壳体30-60-90中,并且也是喷射水。 通过鼓风机32-63-101在这种包装下进入环境空气,由此空气被加湿并加热并供应到燃烧器以与气体混合,从而获得更高的燃烧产物露点和燃烧时NOx排放的减少 。 另外的集水容器35,62-93被限定在第三壳体30-60-90中,位于填料31,59,91之下,用于收集通过另外的填料渗透的水。 加热的水通过第一管道36,69,107从第一壳体中的集水箱35,62,93对流。 还提供另外的导管36,76',99用于对来自另外的壳体的水进行对流。 来自第一包装的烟气在被释放到大气中之前也被冷却成第三包装。