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    • 5. 发明申请
    • GAS TURBINE
    • 燃气轮机
    • US20120177481A1
    • 2012-07-12
    • US13496604
    • 2010-11-11
    • Katsuhisa KojimaYasutoshi UedaTakashi SonodaMasao Terazaki
    • Katsuhisa KojimaYasutoshi UedaTakashi SonodaMasao Terazaki
    • F01D25/12
    • F01D25/12F02C7/18F05D2260/606F05D2260/607
    • This gas turbine includes a turbine cooling structure of cooling a turbine by using cooling air and a filter that reduces dust in the cooling air on an upstream side of the turbine. Furthermore, the gas turbine includes a supply pipe for supplying the cooling air to the filter, a branch pipe that is branched from the supply pipe on an upstream of the filter, and a unit that calculates or estimates a circulation amount of dust in the cooling air. In this gas turbine, at a time of start-up of a turbine, the supply pipe is closed and the branch pipe is opened, and when the circulation amount of dust in the cooling air becomes equal to or less than a predetermined threshold, the supply pipe is opened and the branch pipe is closed.
    • 该燃气轮机包括通过使用冷却空气来冷却涡轮机的涡轮机冷却结构和减少涡轮机上游侧的冷却空气中的灰尘的过滤器。 此外,燃气轮机包括用于向过滤器供给冷却空气的供给管,在过滤器的上游从供给管分支的分支管,以及计算或估计冷却中的灰尘的循环量的单元 空气。 在该燃气轮机中,在涡轮机起动时,供给管关闭,分支管打开,当冷却空气中的灰尘的循环量成为规定的阈值以下时, 供给管打开,分支管闭合。