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    • 3. 发明授权
    • Internested superheater and reheater tube arrangement for heat recovery
steam generator
    • 热回收蒸汽发生器的过热器和再加热管布置
    • US5311844A
    • 1994-05-17
    • US858800
    • 1992-03-27
    • John Polcer
    • John Polcer
    • F22G7/12F22B1/18F22B33/14F22G3/00F62G7/12
    • F22G3/001
    • A heat recovery steam generator (HRSG) which contains multiple superheater and reheater tube units, each unit including an upper and lower header connected pressure-tightly together by a plurality of vertically-oriented tubes provided in alternate parallel banks, with the tubes of adjacent units being provided in an internested arrangement. Each superheater and reheater unit contains primary straight tubes and secondary bent tubes which are offset from the primary straight tubes in a direction perpendicular to the upper and lower headers and parallel to the direction of hot gas flowing transversely past the internested tubes. The ratio of the number of superheater tubes to reheater tubes in each row of tubes is provided in proportion to the desired heat transfer from the hot combustion gas to the superheated or reheated steam passing through the tubes in the generator assembly.
    • 一种热回收蒸汽发生器(HRSG),其包含多个过热器和再热器管单元,每个单元包括通过设置在交替平行组中的多个垂直取向管压力紧密地连接的上部和下部集管,相邻单元的管 以互相排列的方式提供。 每个过热器和再热器单元包含主要的直管和二次弯管,它们在垂直于上和下总管的方向上偏离主要直管,并且平行于热气流横向通过被隔离管的方向。 与从热燃烧气体到通过发电机组件中的管的过热或再热蒸汽的期望的热传递成比例地提供了每列管子中的过热器管数与再加热管的数量的比例。