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    • 1. 发明授权
    • Solid particle diversion in an axial flow steam turbine
    • 轴流式蒸汽轮机中的固体颗粒分流
    • US08714915B2
    • 2014-05-06
    • US12952730
    • 2010-11-23
    • David Paul BlatchfordBryan Roy PalmerBrian Robert Haller
    • David Paul BlatchfordBryan Roy PalmerBrian Robert Haller
    • F03B11/08
    • F01D25/00F05D2260/607
    • An exemplary axial flow steam turbine is disclosed which includes a motor, a turbine casing and at least first and second turbine stages, with the second turbine stage being located adjacent to and downstream from the first turbine stage. A radially outer static diaphragm ring of the second turbine stage includes an annular axial extension extending in an upstream axial direction and carrying a circumferential tip sealing device which cooperates with shrouds of a circumferential row of moving blades of the first turbine stage. An upstream end of the annular axial extension is axially spaced from a radially outer static diaphragm ring of the first turbine stage such that a circumferential passage is defined between the upstream end of the annular axial extension and the radially outer static diaphragm ring of the first turbine stage. Solid particles are diverted from steam flow by a circumferential passage during operation.
    • 公开了一种示例性的轴流蒸汽涡轮机,其包括电动机,涡轮机壳体和至少第一和第二涡轮机级,其中第二涡轮级位于第一涡轮级的邻近和下游。 第二涡轮级的径向外部静态隔膜环包括在上游轴向方向上延伸的环形轴向延伸部,并且承载圆周末端密封装置,该周向末端密封装置与第一涡轮平台的周向行动叶片的护罩配合。 环形轴向延伸的上游端与第一涡轮级的径向外部静态隔膜环轴向间隔开,使得圆周通道限定在环形轴向延伸的上游端与第一涡轮的径向外部静态隔膜环之间 阶段。 在运行期间,固体颗粒通过圆周通道从蒸汽流中转移。
    • 4. 发明申请
    • AXIAL FLOW STEAM TURBINE
    • 轴流式蒸汽涡轮机
    • US20110123313A1
    • 2011-05-26
    • US12952730
    • 2010-11-23
    • David Paul BlatchfordBryan Roy PalmerBrian Robert Haller
    • David Paul BlatchfordBryan Roy PalmerBrian Robert Haller
    • F04D29/70
    • F01D25/00F05D2260/607
    • An exemplary axial flow steam turbine is disclosed which includes a motor, a turbine casing and at least first and second turbine stages, with the second turbine stage being located adjacent to and downstream from the first turbine stage. A radially outer static diaphragm ring of the second turbine stage includes an annular axial extension extending in an upstream axial direction and carrying a circumferential tip sealing device which cooperates with shrouds of a circumferential row of moving blades of the first turbine stage. An upstream end of the annular axial extension is axially spaced from a radially outer static diaphragm ring of the first turbine stage such that a circumferential passage is defined between the upstream end of the annular axial extension and the radially outer static diaphragm ring of the first turbine stage. Solid particles are diverted from steam flow by a circumferential passage during operation.
    • 公开了一种示例性的轴流蒸汽涡轮机,其包括电动机,涡轮机壳体和至少第一和第二涡轮机级,其中第二涡轮级位于第一涡轮级的邻近和下游。 第二涡轮级的径向外部静态隔膜环包括在上游轴向方向上延伸的环形轴向延伸部,并且承载圆周末端密封装置,该周向末端密封装置与第一涡轮平台的周向行动叶片的护罩配合。 环形轴向延伸的上游端与第一涡轮级的径向外部静态隔膜环轴向间隔开,使得圆周通道限定在环形轴向延伸的上游端与第一涡轮的径向外部静态隔膜环之间 阶段。 在运行期间,固体颗粒通过圆周通道从蒸汽流中转移。