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调节系统说明书(南汽)

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  • 2025/7/1 5:06:01

C30——4型 30MW抽汽式汽轮机 调节系统说明书

南京汽轮电机(集团)有限责任公司

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1 前言

本说明书为汽轮机调节保安系统的安装,调试以及日后的使用维护和检修提供必要的依据。本说明书分别列出了调节(控制)、保安、供油的主要技术规范,并对其工作原理,功能,调整与实验,系统各部套的主要安装数据等进行介绍:在使用说明书时,还需要随时参考机组的其他有关文件和图纸,特别是与调节系统有关的系统总图及相关文件部套图纸。

2 调节保安系统的主要技术规范

汽机调节保安系统的主要技术规范见下表。 序项 目 号 1 汽轮机额定转速 r/min 3000 单位 技术规范 备注 MPa(a2 主油泵进口油压 ) 3 4 5 6 7 8 9 10 主油泵出口油压 转速不等率 迟缓率 油动机最大行程 中压油动机最大行程 额定抽汽压力 抽汽压力调整范围 抽汽压力不等率 MPa % % mm mm MPa MPa % ~ 3-6 ≤ 210 120 ~ * * ~ ≤10 3270~11 危急遮断器动作转速 r/min 3330 12 13 危急遮断器复位转速 TSI超速保护值(停机) 转子轴向位移报警值(付推定r/min 3055±15 r/min 3300 14 位) 15 转子轴向位移保护值 润滑油压降低报警值(启交流16 润滑油泵) 17 mm +或 负为反向 mm +或 停机值 MPa 润滑油压降低报警值(启直流MPa

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C30——4型 30MW抽汽式汽轮机 调节系统说明书 南京汽轮电机(集团)有限责任公司 ······························································3 ········································3 ··························································5 ······················································6 ················································8 ···························

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