140MW 联合循环机组系统部分介绍

1、13-Jun-21 Power Generation1 Handling Instructions: Strictly Confidential Copyright Siemens AG 2003 All Rights Reserved The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, includin

2、g rights created by patent grant or registration of a utility model or design, are reserved 140MW Combined Cycle Unit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021-6-13 1S.V94.3A 140MW联合循环机组联合循环机组 汽轮机系统设计介绍汽轮机系统设计介绍 2004-09-03 USC Steam Turbines Steam Turbine Systems and Automation Power G

3、eneration2 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent

4、 grant or registration of a utility model or design, are reserved 概述 ST Auxiliaries 汽轮机辅助系统 l MAD TURBINE BEARING 汽轮机轴承 l MAV ST lube oil supply 汽轮机滑油供应系统 l MAW Gland steam supply system 轴封蒸汽系统 l MAL Drain system 疏水系统 l MAC LP exhaust hood spray 低压缸喷水 l LBC HP vent valve 高排通风阀 140MW Combined Cycle U

5、nit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021-6-13 2004-09-03 USC Steam Turbines Steam Turbine Systems and Automation Power Generation3 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The reproduction, transmission or use of this document or its conten

6、ts is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved 轴承布置方式轴承布置方式 140MW Combined Cycle Unit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021-

7、6-13 S S S 联联 轴轴 器器 轴轴 承承 H P 前前 轴轴 承承 径径 向向 推推 力力 联联 合合 轴轴 承承 L P 后后 轴轴 承承 2004-09-03 USC Steam Turbines Steam Turbine Systems and Automation Power Generation4 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The reproduction, transmission or use of this document or

8、 its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved 轴承布置及设计特点轴承布置及设计特点 l SSS 联轴器轴承及HP前轴承为可倾瓦轴承，轴承与壳体之间采用球面支撑。 l 推力轴承位于高压和中压转子之间，与径向轴承组成径

9、向推力联合轴承。 其中推力轴承为可倾瓦型式，径向轴承为椭圆轴承。 l LP后轴承采用无中分面圆筒式椭圆轴承，为套装式轴承。 l 轴承的承载力大，稳定性高。 l 每个径向轴承均设顶轴油接口。 l 机组的轴向尺寸紧凑。 l 总的润滑油流量小，油泵耗功少。 l 采用ISO VG 46高粘度润滑油。 140MW Combined Cycle Unit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021-6-13 2004-09-03 USC Steam Turbines Steam Turbine Systems and Automation

10、 Power Generation5 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created b

11、y patent grant or registration of a utility model or design, are reserved 油箱模块容量选择油箱模块容量选择 2021-6-13 140MW Combined Cycle Unit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 根据润滑油的流量根据润滑油的流量53.86 l/s，油箱的模块选油箱的模块选L1型。型。 模块型号 油箱容量运行容量 流量范围 油箱规格 2004-09-03 USC Steam Turbines Steam Turbine Systems a

12、nd Automation Power Generation6 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rig

13、hts created by patent grant or registration of a utility model or design, are reserved 润滑油规范润滑油规范 140MW Combined Cycle Unit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021-6-13 2004-09-03 USC Steam Turbines Steam Turbine Systems and Automation Power Generation7 Handling Instructions: Confide

14、ntial Copyright Siemens AG 2003 All Rights Reserved The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model

15、 or design, are reserved 润滑油系统概述润滑油系统概述 l 系统功能 汽轮发电机组润滑油的功能包括： l润滑和冷却轴承 l驱动液压盘车装置 l在低转速状态顶起转子 润滑油供油系统由主油箱、油泵、阀门和连接管路的组成，为所有用油部件提供所需的压力油。 l2100%主油泵出口压力5.5 bar，用于轴承润滑和冷却 l1100%危急油泵出口压力约2.5 bar，用于紧急停机时轴承润滑 l350%顶轴油泵出口压力约175 bar l 特点 提供2100%电动主油泵，使系统具有下列技术优点： l更佳的油泵入口吸入条件（不需要注油器或油涡轮） l较少的管道布置 l提高了可靠性 l维

16、护更加方便 140MW Combined Cycle Unit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021-6-13 2004-09-03 USC Steam Turbines Steam Turbine Systems and Automation Power Generation8 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The reproduction, transmission or use of

17、 this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved HE系列系列, 典型滑油系统典型滑油系统 主油泵 主油箱 应急油泵 仅适用于氢冷发电机 液压盘车 双联 过滤器 润滑油 冷却器 140

18、MW Combined Cycle Unit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021-6-13 2004-09-03 USC Steam Turbines Steam Turbine Systems and Automation Power Generation9 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The reproduction, transmission or use of this doc

19、ument or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved HE系列系列, 典型顶轴油系统典型顶轴油系统 Duplex Filter 双联过滤器 顶轴油泵 主油箱 140MW Combined Cycle Uni

20、t Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021-6-13 2004-09-03 USC Steam Turbines Steam Turbine Systems and Automation Power Generation10 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The reproduction, transmission or use of this document or its content

21、s is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved 润滑油模块润滑油模块 标准化接口标准化接口 灵活的配置灵活的配置 2x100% Lube Oil Cooler 滑油冷却器 Main Oil Tank 主油箱 Lube Oil Filter

22、滑油过滤器 Main Oil Pump 1& 2 主油泵 Emergency Oil Pump 应急油泵 Lifting Oil Pump (2100%或350%) 顶轴油泵 Oil Dust Fan 风扇 Oil Dust separator 分离器 Oil Purification 油净化 Measurement Rack 测量仪表架 140MW Combined Cycle Unit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021-6-13 Temperature Controller 温度控制阀 2004-09-03 US

23、C Steam Turbines Steam Turbine Systems and Automation Power Generation11 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liab

24、le for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved 汽封系统概述汽封系统概述 功能功能 汽封密封蒸汽的功能是防止蒸汽从轴封漏出及空气进入汽缸或冷凝器。 为完成上述功能，将汽封蒸汽母管接至各汽封。在任何运行条件下， 汽封蒸汽母管以及汽封内的蒸汽压力由密封蒸汽溢流阀和密封蒸汽供汽 阀来控制。蒸汽压力大约35 mbar（表压）。 特点特点 启动时各汽封采用同一汽源供汽，在自密封时（约70%额定负荷）

25、，高 中压汽封漏汽经减温装置后向低压汽封供汽。 140MW Combined Cycle Unit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021-6-13 2004-09-03 USC Steam Turbines Steam Turbine Systems and Automation Power Generation12 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The reproduction, tra

26、nsmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved HE系列，典型轴封系统系列，典型轴封系统 140MW Combined Cycle Unit S

27、team Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021-6-13 2004-09-03 USC Steam Turbines Steam Turbine Systems and Automation Power Generation13 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The reproduction, transmission or use of this document or its contents i

28、s not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved HE系列，典型系列，典型轴封供汽系统轴封供汽系统 140MW Combined Cycle Unit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助

29、系统 2021-6-13 2004-09-03 USC Steam Turbines Steam Turbine Systems and Automation Power Generation14 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The reproduction, transmission or use of this document or its contents is not permitted without express written authori

30、ty. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved 汽封系统辅助供汽温度汽封系统辅助供汽温度 140MW Combined Cycle Unit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021-6-13 转子平均温度 汽封蒸汽温度 汽封供汽阀门前的辅助蒸汽温度适用于HE和HP/I

31、P/LP机型 2004-09-03 USC Steam Turbines Steam Turbine Systems and Automation Power Generation15 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Of

32、fenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved 汽封冷却器的功能汽封冷却器的功能 汽封冷却器用于凝汽式汽轮机，其功能是收集从轴 封密封系统泄漏的蒸汽和空气的混合气体，并将泄漏的 蒸汽冷凝。 140MW Combined Cycle Unit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021

33、-6-13 2004-09-03 USC Steam Turbines Steam Turbine Systems and Automation Power Generation16 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Off

34、enders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved 汽封冷却器模块系统图汽封冷却器模块系统图 140MW Combined Cycle Unit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021-6-13 2004-09-03 USC Steam Turbines Steam Turbine S

35、ystems and Automation Power Generation17 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, incl

36、uding rights created by patent grant or registration of a utility model or design, are reserved 汽封冷却器模块汽封冷却器模块 Gland Steam Condenser 汽封冷却器 Exhauster 排气风机 Drainage Valves and Piping 疏水阀及管道 Shut Off Valves 关断阀 140MW Combined Cycle Unit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021-6-13 2004-

37、09-03 USC Steam Turbines Steam Turbine Systems and Automation Power Generation18 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will

38、 be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved 疏水系统功能疏水系统功能 汽缸、阀门和内部蒸汽管道内产生的凝结水通过疏水阀经疏水母管至凝 汽器。 按压力等级依次将不同压力的疏水管接到疏水母管上，压力最高的疏水 管靠近母管的端部。与母管端部相连的膨胀箱(或立管)设置喷水装置以限制 进入凝汽器的温度。 启动时热的蒸汽在冷的管道和汽缸内凝结，当凝结水大量积聚时将导致 叶片损坏。

39、此外，如果不能及时将凝结水排除的话，汽缸的上、下半温差增加，导 致汽缸变形。 140MW Combined Cycle Unit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021-6-13 2004-09-03 USC Steam Turbines Steam Turbine Systems and Automation Power Generation19 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The re

40、production, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved HE系列，典型汽机疏水系统系列，典型汽机疏水系统 140MW Co

41、mbined Cycle Unit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021-6-13 2004-09-03 USC Steam Turbines Steam Turbine Systems and Automation Power Generation20 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The reproduction, transmission or use of this documen

42、t or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved 低压缸喷水系统功能低压缸喷水系统功能 l 低压缸喷水系统向低压缸派排汽端喷水环的喷嘴提供 凝结水。凝结水能使离开汽轮机末级叶片的蒸汽，在进入 低压缸排汽室之前降

43、低温度。 l 减少转子与静子部件之间由于热变形或过度差胀而产 生碰擦的可能性。 140MW Combined Cycle Unit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021-6-13 2004-09-03 USC Steam Turbines Steam Turbine Systems and Automation Power Generation21 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The r

44、eproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved 低压缸喷水冷却系统图低压缸喷水冷却系统图 140MW Combi

45、ned Cycle Unit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021-6-13 2004-09-03 USC Steam Turbines Steam Turbine Systems and Automation Power Generation22 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights Reserved The reproduction, transmission or use of this document o

46、r its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved 高压缸泄放阀的功能高压缸泄放阀的功能 在汽轮机遮断时快速打开，将高压缸内的蒸汽 排至凝汽器。 防止高压缸鼓风加热。 140MW Combined Cycle Unit Steam Turbine Auxiliary Systems 140MW联合循环机组汽轮机辅助系统 2021-6-13 2004-09-03 USC Steam Turbines Steam Turbine Systems and Automation Power Generation23 Handling Instructions: Confidential Copyright Siemens AG 2003 All Rights