PG9171E型燃气轮机通流部分的升级改造及其性能分析
Gas Turbine Power Generation Technology(2014)
Abstract
针对PG9171E型燃气轮机的压气机排气通流部分和透平动静叶实施节能改造的分析和研究,将原有的燃气轮机压气机排气内缸蜂窝式气封、#2轴承前后迷宫式气封更换为新型刷式气封。同时,将透平一级复环更换为可磨涂层结构,三级动静叶更换为全三维结构。改造后的燃气轮机漏气量大幅减少,机组整体效率和运行性能得到显著提高。本措施对同类型燃气蒸汽联合循环机组的气封、复环、动静叶节能改造具有较好的借鉴意义。
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