大型水电厂主配压阀培训资料ppt课件

1、Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀FC阀阀 FC阀系列及其运用阀系列及其运用 FC阀的运转原理阀的运转原理 FC阀的根本元件及运用阀的根本元件及运用 FC阀的检修和维护阀的检修和维护机械液压部机械液压部Company ProprietaryThis documen

2、t contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀FC主配阀系列主配阀系列 FC 5000FC 1250FC20000 FC1250: 1900 l/min FC5000: 7600 l/min FC20000: 23700 l/min Company ProprietaryThis document contains proprietar

3、y information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀FC主配阀系列主配阀系列 FC1250: 阀芯直径阀芯直径 2英寸英寸(50mm) FC5000: 阀芯直径阀芯直径 4英寸英寸(100mm) FC20000:阀芯直径阀芯直径 10英寸英寸(250mm) 压力等级：压力等级：1.6, 2.5, 4.0, 6.3 MPaCompany ProprietaryThis document

4、 contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀适用机型适用机型 混流式混流式 转桨式转桨式 冲击式冲击式 抽水蓄能抽水蓄能Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or di

5、sclosed to others, except with the written permission of the GE Company.FC阀阀FC阀在中国的运用阀在中国的运用 三峡右岸电站三峡右岸电站(12*700MW) 12台台 FC20000 重庆彭水电站重庆彭水电站(5*350MW) 5台台FC20000 广西桥巩广西桥巩(8*57MW 8台台FC20000(导叶导叶) 8台台FC5000(桨叶桨叶) 云南景洪水电站云南景洪水电站(5*350MW) 6台台FC20000 广西长洲水电站广西长洲水电站(15*42MW 7台台FC5000(导叶导叶) 7台台FC5000(桨叶桨叶)

6、 江苏宜兴抽水蓄能电站江苏宜兴抽水蓄能电站4*300MW 4台台FC1250 四川宝兴水电站四川宝兴水电站3*65MW 3台台FC5000 云南小湾水电站云南小湾水电站6*700MW 6台台FC20000 四川瀑布沟水电站四川瀑布沟水电站6*650MW) 6台台FC20000 Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permissio

7、n of the GE Company.FC阀阀FC阀在中国的运用阀在中国的运用 湖南三板溪电站湖南三板溪电站(4*250MW) 吉林白山水电站吉林白山水电站(2*150MW) 青海公伯峡水电站青海公伯峡水电站(5*300MW 四川桐子豪水电站四川桐子豪水电站(3*36MW) 湖南凌津滩水电站湖南凌津滩水电站(9*30MW,灌流灌流 广西百龙滩水电站广西百龙滩水电站6*30MW，灌流，灌流 湖北清江水布垭水电站湖北清江水布垭水电站4*300MW 四川跷蹊水电站四川跷蹊水电站3*80MW 河南回龙抽水蓄能电站河南回龙抽水蓄能电站2*60MW) 合计十七个水电站，一百多套合计十七个水电站，一百多套

8、FC阀。阀。Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀FC阀在国外的运用阀在国外的运用 Bath County(6 * 445MW)美国美国 Helms(4*358MW) 美国美国 Bad Creek(4*360MW美国美国 Ludington(6*340MW)美国美国

9、Raccoon Mountain(6*390MW美国美国 Carters4*165MW美国美国 USCAE-Truman7*300MW美国美国 Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀FC主配阀的运转原理主配阀的运转原理Company ProprietaryThis d

10、ocument contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀水轮机速度水轮机速度/负荷控制负荷控制开开关关开启开启Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclo

11、sed to others, except with the written permission of the GE Company.FC阀阀根本动作原理根本动作原理阀套阀套阀芯阀芯 压力油压力油封锁封锁开启开启开启开启封锁封锁油口油口Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.

12、FC阀阀两级液压放大两级液压放大先导阀一级先导阀一级配压阀一级配压阀一级开启速度调理开启速度调理封锁速度调理封锁速度调理回油回油开启开启封锁封锁进油进油Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀两级液压放大两级液压放大 调速器控制先导阀阀芯上下挪动调速器控制先导阀阀芯上下

13、挪动 先导阀向上挪动时先导阀向上挪动时,压力油进入到绿色区域压力油进入到绿色区域. 例如中例如中, 配压阀阀芯将向左挪动至极限位置配压阀阀芯将向左挪动至极限位置 水轮机转速或负荷添加水轮机转速或负荷添加, 调速器此时控制先调速器此时控制先导阀阀芯向下挪动导阀阀芯向下挪动. 转速或负荷将产生震荡转速或负荷将产生震荡.Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with th

14、e written permission of the GE Company.FC阀阀两级液压放大两级液压放大TimeSPEEDLoadAddedPrime MoverAccelerationActualSpeedPrime MoverDecelerationDesiredSpeedSetpointPilotValveRecenteredPilotValveRecenteredCompany ProprietaryThis document contains proprietary information to the GE Company and may not be used or dis

15、closed to others, except with the written permission of the GE Company.FC阀阀两级液压放大两级液压放大(带反响带反响)开启速度调理开启速度调理封锁速度调理封锁速度调理内部反响内部反响开启开启进油进油封锁封锁回油回油调速器信号调速器信号Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the wri

16、tten permission of the GE Company.FC阀阀两级液压放大两级液压放大(带反响带反响) 参与反响杠杆参与反响杠杆,将配压阀阀芯位置反响至先将配压阀阀芯位置反响至先导阀阀芯导阀阀芯 无论配压阀阀芯位置朝哪个方向挪动无论配压阀阀芯位置朝哪个方向挪动,经过经过反响杠杆反响杠杆, 先导阀都将控制配压阀阀芯移至先导阀都将控制配压阀阀芯移至中位中位. 反响可以经过改动杠杆支点来进展调整反响可以经过改动杠杆支点来进展调整.Company ProprietaryThis document contains proprietary information to the GE Com

17、pany and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀两级液压放大两级液压放大(带反响带反响)TimeSPEEDLoadAddedSpeedReferenceLoadRemovedActualSpeedCompany ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to

18、others, except with the written permission of the GE Company.FC阀阀控制油控制油恒压油恒压油LVDT位移传感器位移传感器控制端活塞控制端活塞封锁调理封锁调理开启调理开启调理封锁封锁开启开启压力油压力油回油回油回油回油FC主配阀剖视图主配阀剖视图Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the wri

19、tten permission of the GE Company.FC阀阀主配阀动作原理主配阀动作原理 控制阀芯位置的两活塞作用面积不同控制阀芯位置的两活塞作用面积不同; 恒压油作用在小活塞上恒压油作用在小活塞上, 控制油作用在大活控制油作用在大活塞上塞上, 放入压力油或接通回油放入压力油或接通回油, 从而控制阀芯从而控制阀芯位置位置; 阀芯位置经过位移传感器阀芯位置经过位移传感器(LVDT)转换成电转换成电信号反响。信号反响。Company ProprietaryThis document contains proprietary information to the GE Company

20、 and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀比例阀比例阀+24 VDC 电源电源线圈线圈+/- 10 VDC反响信号反响信号4-20 mA (12 mA 中位中位)控制信号控制信号回油回油压力油压力油(过滤过滤)控制油控制油Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or d

21、isclosed to others, except with the written permission of the GE Company.FC阀阀比例阀动作原理比例阀动作原理 线圈将电信号成比例的转化成比例阀阀芯线圈将电信号成比例的转化成比例阀阀芯位移位移; 当控制信号为当控制信号为12mA时，比例阀阀芯对中时，比例阀阀芯对中; 当控制信号添加时，线圈产生的力，抑制当控制信号添加时，线圈产生的力，抑制弹簧力，比例阀阀芯向右挪动；弹簧力，比例阀阀芯向右挪动； 假设控制信号减小，或者电源假设控制信号减小，或者电源(+24VDC)失失去，弹簧力将比例阀阀芯推至左端。去，弹簧力将比例阀阀芯推至

22、左端。Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀FC阀剖视图阀剖视图过滤后的压力油过滤后的压力油封锁封锁开启开启压力油压力油回油回油回油回油LVDT反响反响放大器放大器+/- 10 VDC+/- 10 VDC控制控制信号信号4-20 mA比例伺服阀比例伺服阀Company

23、 ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀FC阀动作原理阀动作原理 比例阀由控制信号控制；比例阀由控制信号控制； LVDT反响信号将抵消控制信号；反响信号将抵消控制信号； LVDT反响信号可以经过反响放大器上的电反响信号可以经过反响放大器上的电位器来进展调理。位器来进展调理。Compa

24、ny ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀转速转速/负荷负荷 调理调理反响反响放大器放大器比例比例伺服阀伺服阀滑阀滑阀流量变化流量变化接力器接力器FC 阀阀+/- 10 VDC电子电子控制器控制器MicroNet4-20 mA控制信号控制信号+24 VDC控制油控制油位移位移传感器

25、传感器MLDT4-20 mA or 20-4 mALVDT供油供油控制原理控制原理+/- 10 VDCCompany ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀液压控制系统液压控制系统液压原理图液压原理图Company ProprietaryThis document contains

26、proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀FC阀分段封锁动作原理阀分段封锁动作原理Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except wi

27、th the written permission of the GE Company.FC阀阀FC阀的根本元件及运用阀的根本元件及运用 过滤器过滤器 比例阀比例阀 控制块控制块 反响放大器反响放大器 阀芯和阀套阀芯和阀套 主阀体主阀体 恒压端组件恒压端组件 控制端组件控制端组件Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permissi

28、on of the GE Company.FC阀阀双重过滤器双重过滤器(一一)进油进油(未过滤未过滤)控制油控制油(已过滤已过滤)单向阀单向阀压差指示压差指示过滤器过滤器选择阀选择阀旁路阀旁路阀放气阀放气阀Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀双重过滤器双重过滤器(一

29、一) 双重滤芯，可以在线改换滤芯；双重滤芯，可以在线改换滤芯； 油污指示油污指示 1. 丈量过滤前后的油压差值丈量过滤前后的油压差值 2. 动作值：动作值：35psi(0.24MPa) 3. 电信号指示或就地指示电信号指示或就地指示(颜色变化颜色变化) 旁路阀旁路阀 假设滤芯前后压差过大，旁路阀动作假设滤芯前后压差过大，旁路阀动作(50psi)，压，压力油经过旁路阀直接供应比例阀，压力油此时没力油经过旁路阀直接供应比例阀，压力油此时没有过滤。有过滤。Company ProprietaryThis document contains proprietary information to the

30、GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀双重过滤器双重过滤器(二二)Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE C

31、ompany.FC阀阀双重过滤器双重过滤器(二二) 10微米过滤精度微米过滤精度 电信号油污指示电信号油污指示 旁路阀动作旁路阀动作:50psi(3.5bar)Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀油冲洗油冲洗 将接力器短接将接力器短接. 用软管将接力器进油直接用软管

32、将接力器进油直接接至回油接至回油; 选择左侧或右侧过滤器作为冲洗滤芯选择左侧或右侧过滤器作为冲洗滤芯; 供油供油,检查管路有无漏油检查管路有无漏油; 冲洗系统冲洗系统; 油质合格后油质合格后, 将过滤器切至另一侧的滤芯将过滤器切至另一侧的滤芯;改换冲洗滤芯改换冲洗滤芯; 封锁油源封锁油源, 终了油冲洗终了油冲洗.Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the

33、 written permission of the GE Company.FC阀阀启动和放气启动和放气 将过滤器切换阀转至最右侧将过滤器切换阀转至最右侧; 翻开油源翻开油源,检查管路有无漏油检查管路有无漏油; 经过调速器经过调速器,控制接力器来回动作几次控制接力器来回动作几次, 经经过接力器放气过接力器放气; 翻开平衡阀以及左侧的放气阀翻开平衡阀以及左侧的放气阀, 放气终了放气终了后后,封锁放气阀和平衡阀封锁放气阀和平衡阀.Company ProprietaryThis document contains proprietary information to the GE Company a

34、nd may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀在线改换在线改换 翻开备用滤芯的放气阀翻开备用滤芯的放气阀, 确认内部无空气确认内部无空气. 当油从当油从放气阀流出时放气阀流出时,封锁放气阀封锁放气阀; 转动切换阀至备用滤芯转动切换阀至备用滤芯; 翻开需求改换滤芯的放气阀来将内部液压油放出翻开需求改换滤芯的放气阀来将内部液压油放出(此时平衡阀和另一侧的放气阀处于封锁形状此时平衡阀和另一侧的放气阀处于封锁形状) 取出滤芯取出滤芯,改换新滤芯改换新

35、滤芯,并安装好并安装好, 确严密封圈安装确严密封圈安装正确正确, 拧好外壳拧好外壳; 翻开平衡阀给新滤芯充油翻开平衡阀给新滤芯充油, 并翻开新滤芯的放气阀并翻开新滤芯的放气阀, 放气终了后放气终了后, 封锁放气阀封锁放气阀; 封锁平衡阀封锁平衡阀, 新滤芯处于备用形状新滤芯处于备用形状.Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written perm

36、ission of the GE Company.FC阀阀比例阀比例阀Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀比例阀比例阀Company ProprietaryThis document contains proprietary information to the G

37、E Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀比例阀比例阀Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC

38、阀阀比例阀本卷须知比例阀本卷须知 比例阀内部比例阀内部LVDT，位置监视，位置监视; 指令信号、电源：屏蔽信号干扰。指令信号、电源：屏蔽信号干扰。Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀LVDT 电源：电源：+/- 15VDC 输出：输出：0 +/- 10VDCComp

39、any ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀LVDTCompany ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclose

40、d to others, except with the written permission of the GE Company.FC阀阀反响放大器反响放大器Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀反响放大器反响放大器Company ProprietaryThis d

41、ocument contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀反响放大器跳线设置反响放大器跳线设置 FC阀能够带有多个阀能够带有多个LVDT, 每个每个LVDT相应的配备相应的配备一只比例阀和一个反响放大器一只比例阀和一个反响放大器; LVDT能够位于恒能够位于恒压端压端,也能够处于控制端也能够处于控制端; 处于不同端盖的处于不同端盖的LV

42、DT, 其反响放大器的跳线设置其反响放大器的跳线设置不同。设置原那么为不同。设置原那么为: 阀芯向封锁方向挪动时阀芯向封锁方向挪动时, LVDT芯杆向外挪动芯杆向外挪动, 那么那么 跳线设置为跳线设置为“A,否那么为否那么为“B. (“A is away) 跳线假设设置错误跳线假设设置错误,那么接力器将会发生振荡那么接力器将会发生振荡.Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, exc

43、ept with the written permission of the GE Company.FC阀阀LVDT中位调整中位调整 用万用表丈量用万用表丈量LVDT直流电压反响直流电压反响.万用表量程大于万用表量程大于10VDC. 接反响放大器的接反响放大器的Test Point 2(+), Test Point1 (-). (Test Point 2 = 接线端子接线端子5, Test Point 1 = 接线端接线端子子4). 将接力器静止在将接力器静止在50%位置附近位置附近. 可以经过调整调理螺可以经过调整调理螺栓将接力器静止栓将接力器静止. 也可以经过控制器给信号将接力也可以经过控

44、制器给信号将接力器静止。器静止。 松开松开LVDT夹子夹子, 渐渐调整渐渐调整LVDT壳体的位置壳体的位置, 将反响将反响值调整至值调整至+/- 10 mV以内以内. 拧紧拧紧LVDT固定夹的夹紧螺钉固定夹的夹紧螺钉. LVDT固定夹夹紧螺固定夹夹紧螺钉的安装扭矩，约为钉的安装扭矩，约为0.56牛米牛米 留意留意: 此螺钉拧紧即可此螺钉拧紧即可,一定不要拧得过紧一定不要拧得过紧, 否那么会否那么会损坏损坏LVDT.Company ProprietaryThis document contains proprietary information to the GE Company and may

45、 not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀控制块控制块控制油控制油比例阀比例阀配压阀配压阀回油回油回油回油手动遮断阀手动遮断阀液控遮断阀液控遮断阀电控遮断阀电控遮断阀Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the

46、written permission of the GE Company.FC阀阀控制块控制块 多重危急遮断多重危急遮断; 不同的机组不同的配置。不同的机组不同的配置。Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀H形孔形孔圆孔圆孔数量可调数量可调油口方式油口方式Compan

47、y ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀阀芯和阀套本卷须知阀芯和阀套本卷须知 运转和维护时运转和维护时, 防止磕碰防止磕碰, 坚持油口处的锐坚持油口处的锐边边; 假设已磨损假设已磨损, 需求改换需求改换; 检修时清洗阀芯的均压槽。检修时清洗阀芯的均压槽。Company Propri

48、etaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀主阀体主阀体 FC20000主阀体重主阀体重400多公斤多公斤, 起重吊环起重吊环: 3个美制个美制吊环吊环 0.75英寸英寸-10 UNC; (端盖和阀芯起吊端盖和阀芯起吊: 2个美制吊环个美制吊环 0.50英寸英寸-13 UNC; 阀套阀套: 2个美制吊

49、环个美制吊环 0.312英寸英寸-18 UNC).Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀恒压端组件恒压端组件Company ProprietaryThis document contains proprietary information to the GE Comp

50、any and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀恒压端组件恒压端组件 LVDT夹紧螺钉的安装扭矩夹紧螺钉的安装扭矩; 开启调理螺栓开启调理螺栓; LVDT芯杆衔接芯杆衔接.Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, excep

51、t with the written permission of the GE Company.FC阀阀控制端组件控制端组件(不带分段封锁不带分段封锁)Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀控制端组件控制端组件(带分段封锁带分段封锁)Company Proprieta

52、ryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀BlankCompany ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others,

53、 except with the written permission of the GE Company.FC阀阀FC阀的检修和维护阀的检修和维护Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀FC阀的安装阀的安装清洗清洗;密封圈检查和改换密封圈检查和改换;恒压端的装配恒压端

54、的装配;控制端的装配控制端的装配;主阀体主阀体, 阀套和阀芯的装配阀套和阀芯的装配;总装总装Company ProprietaryThis document contains proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀FC阀的安装阀的安装-清洗清洗 检查主阀体检查主阀体, 控制端和恒压端内有无铁屑或其他赃控制端和恒压端内有无铁屑或其他赃物物, 如有那么需

55、求清理掉如有那么需求清理掉; 阀套的清洗：运用酒精或清洗液仔细清洗阀套，阀套的清洗：运用酒精或清洗液仔细清洗阀套，用白绸布拉擦干净一切用白绸布拉擦干净一切H形孔和圆孔。清洗之后擦形孔和圆孔。清洗之后擦干并上油干并上油; 阀芯和小活塞的清洗：运用酒精或清洗液仔细清阀芯和小活塞的清洗：运用酒精或清洗液仔细清洗阀芯和小活塞，将油槽中的脏物清理干净。清洗阀芯和小活塞，将油槽中的脏物清理干净。清洗之后擦干并上油。洗之后擦干并上油。Company ProprietaryThis document contains proprietary information to the GE Company and

56、may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀FC阀的安装阀的安装-密封圈检查和改换密封圈检查和改换 检修时检修时, ,检查各密封圈有无破损检查各密封圈有无破损, ,擦伤或切边擦伤或切边等情况等情况, , 如有如有, ,那么需求改换那么需求改换; ; 对于较大的对于较大的O O形圈形圈, , 安装时可以用凡士林将安装时可以用凡士林将O O形圈粘附在槽上形圈粘附在槽上. .Company ProprietaryThis document contai

57、ns proprietary information to the GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀FC阀的安装阀的安装-恒压端的装配恒压端的装配 检查小活塞有无明显磨损检查小活塞有无明显磨损; LVDT芯杆不需求拧下芯杆不需求拧下;Company ProprietaryThis document contains proprietary information to the GE Company and

58、 may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀FC阀的安装阀的安装-控制端的装配控制端的装配 检查小活塞有无明显磨损检查小活塞有无明显磨损; LVDT芯杆不需求拧下芯杆不需求拧下; 小塞子前部有一螺纹孔小塞子前部有一螺纹孔(10#-24 UNC),可以利用此可以利用此孔取出和装入小塞子孔取出和装入小塞子.Company ProprietaryThis document contains proprietary information to the

59、 GE Company and may not be used or disclosed to others, except with the written permission of the GE Company.FC阀阀FC阀的安装阀的安装-主阀体主阀体, 阀套和阀芯的装配阀套和阀芯的装配 仔细检查阀芯和阀套有无铁屑等杂物仔细检查阀芯和阀套有无铁屑等杂物; ;检查阀芯锐边上有无毛检查阀芯锐边上有无毛刺刺; ; 将阀套装入阀体将阀套装入阀体: 1): 1)将阀体平放在平面上，给阀体内孔处上将阀体平放在平面上，给阀体内孔处上油油; 2); 2)吊绳穿过阀套控吊绳穿过阀套控, , 用吊车吊起阀

60、套用吊车吊起阀套, ,之后两或三人将阀之后两或三人将阀套程度托起，让阀套的中心对准阀体中心，并且将阀套上装套程度托起，让阀套的中心对准阀体中心，并且将阀套上装螺钉的螺纹孔对准阀体两端的小台阶螺钉的螺纹孔对准阀体两端的小台阶; 3); 3)将阀套从阀体有倒将阀套从阀体有倒角的一端渐渐推入，直到阀套两端面和阀体两端的台阶平齐角的一端渐渐推入，直到阀套两端面和阀体两端的台阶平齐。悄然旋转阀套，让阀套上装螺钉的螺纹孔到达六点钟位置。悄然旋转阀套，让阀套上装螺钉的螺纹孔到达六点钟位置; ; 4)4)用垫片和内六角沉头螺钉将阀套固定在阀体内。用垫片和内六角沉头螺钉将阀套固定在阀体内。 将阀芯装入阀套将阀芯