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    • 52. 发明公开
    • 폐순환 냉각 시스템의 부품 수리 방법
    • 用于气体涡轮机的蒸汽冷却系统的拆卸,更换和组装部件的方法
    • KR1020010049787A
    • 2001-06-15
    • KR1020000040426
    • 2000-07-14
    • 제너럴 일렉트릭 캄파니
    • 윌슨이안데이비드웨소릭로날드리챠드
    • F02C7/12
    • F02C7/18F01D5/084F05D2260/2322Y02T50/676Y10T29/49318Y10T29/4932
    • PURPOSE: To provide a method for disassembling, replacing and assembling parts of a gas turbine steam cooling system. CONSTITUTION: A steam cooling circuit for a gas turbine includes a bore tube assembly supplying steam to circumferentially spaced radial tubes coupled to supply elbows for transitioning the radial steam flow in an axial direction along steam supply tubes(56) adjacent the rim of the rotor. The supply tubes supply steam to circumferentially spaced manifold segments(120) located on the aft side of the 1-2 spacer for supplying steam to the buckets of the first and second stages. Spent return steam from these buckets flows to a plurality of circumferentially spaced return manifold segments disposed on the forward face of the 1-2 spacer(30). Crossover tubes(146) couple the steam supply from the steam supply manifold segments through the 1-2 spacer to the buckets of the first stage. Crossover tubes(196) through the 1-2 spacer also return steam from the buckets of the second stage to the return manifold segments. Axially extending return tubes convey spent cooling steam from the return manifold segments to radial tubes via return elbows. The bore tube assembly, radial tubes, elbows, manifold segments and crossover tubes are removable from the turbine rotor and replaceable.
    • 目的:提供拆卸,更换和组装燃气轮机蒸汽冷却系统部件的方法。 构成:用于燃气轮机的蒸汽冷却回路包括孔管组件,其将周向隔开的径向管供给蒸汽,所述径向管连接到供应弯头,用于沿着与转子边缘相邻的蒸汽供应管(56)沿轴向方向过渡径向蒸汽流。 供应管向位于1-2间隔件的后侧的周向隔开的歧管段(120)供应蒸汽,以将蒸汽供应到第一和第二级的桶。 来自这些铲斗的废水返回蒸汽流向设置在1-2间隔物(30)的前表面上的多个周向间隔开的返回歧管段。 交叉管(146)将来自蒸汽供应歧管段的蒸汽供应通过1-2间隔件连接到第一级的桶。 通过1-2间隔物的交叉管(196)还将蒸汽从第二级的桶返回到回流歧管段。 轴向延伸的回流管通过返回弯头将废冷却蒸汽从返回歧管段传送到径向管。 钻孔管组件,径向管,弯头,歧管段和交叉管可从涡轮转子移除并可更换。