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水轮机进水液动蝶阀选用、试验及验收规范Specificationforselection,testingandacceptanceofhydraulicallyoperatedinletbutterflyvalveforhydraulicturbineNB/T10970—2022NB/T10970—2022目次前言„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„Ⅳ引言„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„Ⅵ1234范围„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„1规范性引用文件„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„1术语和定义„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„2进水液动蝶阀系统组成„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„3444.1构成„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„3.2„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„3.3型号编制„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„85技术要求和保证„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„85.1总体要求„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„85.2主阀本体及操作机构„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„95.2.1阀体„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„95.2.2活门„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„95.2.3主密封„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„95.2.4阀轴和阀轴密封„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„95.2.5操作机构„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„105.2.6锁锭装置„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„105.2.7指示装置„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„105.3附属设备„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„105.3.1上游连接管„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„105.3.2主管路伸缩节„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„105.3.3下游连接管„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„105.3.4旁通装置„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„115.3.5进排气装置„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„115.3.6排水装置„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„115.3.7检修密封平压装置„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„115.3.8法兰连接紧固件„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„115.4液压系统„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„115.5电气控制系统„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„125.6„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„125.7工作应力和安全系数„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„135.8„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„135.9„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„135.10密封性能„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„145.11启闭时间和角度„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„14INB/T10970—202255.12可靠性指标„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„14.13质量保证期„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„1467供货范围„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„14„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„157.1检验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„157777777.1.1通用要求„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„15.1.2材料检验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„15.1.3无损检测„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„15.1.4零部件外表面检查„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„16.1.5涂层检查„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„16.1.6铭牌和标志检查„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„16.1.7尺寸和坡口形式检查„„„„„„„„„„„„„„„„„„„„„„„„„„„„„167.1.8信号检测„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„177.2工厂试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„177.2.1通用要求„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„177.2.2主阀本体压力试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„177.2.2.1壳体强度水压试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„177.2.2.2活门强度水压试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„177.2.2.3工作密封试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„177.2.2.4检修密封试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„177.2.3主管路伸缩节密封试验„„„„„„„„„„„„„„„„„„„„„„„„„„„177.2.4旁通装置试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„177.2.4.1旁通阀壳体强度水压试验„„„„„„„„„„„„„„„„„„„„„„„„„177.2.4.2旁通阀密封试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„177.2.4.3旁通阀带压开启试验„„„„„„„„„„„„„„„„„„„„„„„„„„„187.2.4.4检修阀壳体强度水压试验„„„„„„„„„„„„„„„„„„„„„„„„„187.2.4.5检修阀密封试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„187.2.4.6检修阀带压开启试验„„„„„„„„„„„„„„„„„„„„„„„„„„187.2.4.7旁通伸缩节密封试验„„„„„„„„„„„„„„„„„„„„„„„„„„187.2.4.8旁通装置整体强度水压试验„„„„„„„„„„„„„„„„„„„„„„„187.2.5空气阀试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„187.2.5.1空气阀壳体强度水压试验„„„„„„„„„„„„„„„„„„„„„„„„„187.2.5.2空气阀密封试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„187.2.5.3空气阀动水关闭试验„„„„„„„„„„„„„„„„„„„„„„„„„„187.2.6无水动作试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„197.2.7接力器试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„197.2.7.1接力器耐压试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„197.2.7.2接力器泄漏试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„197.2.8液压系统试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„197.2.8.1液压站耐压试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„197.2.8.2液压系统保压试验„„„„„„„„„„„„„„„„„„„„„„„„„„„19.3现场试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„19.3.1通用要求„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„19„„„77IINB/T10970—2022777.3.2无水动作试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„19.3.3充水动作试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„20.3.4静水动作试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„207.3.5动水关闭试验„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„207.4„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„207.4.1通用要求„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„207.4.2出厂验收„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„217.4.3开箱验收„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„217.4.4初步验收„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„217.4.5最终验收„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„2189图纸和资料„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„21标志、包装、运输和贮存„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„2299.1„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„22.2包装、运输和贮存„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„22附录（资料性）主阀本体及曲柄机构重锤机构主要零件材料„„„„„„„„„„„„„„„24附录（资料性）常规备品备件和专用工具„„„„„„„„„„„„„„„„„„„„„„„„26附录（资料性）进水液动蝶阀工厂试验方法„„„„„„„„„„„„„„„„„„„„„„„27附录（资料性）进水液动蝶阀现场试验方法„„„„„„„„„„„„„„„„„„„„„„„30附录（资料性）进水液动蝶阀产品验收文件„„„„„„„„„„„„„„„„„„„„„„„32参考文献„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„„33IIINB/T10970—2022水轮机进水液动蝶阀选用、试验及验收规范1范围本文件规定了水轮机进水液动蝶阀的系统组成，技术要求和保证，供货范围，检验、试验及验收，图纸和资料，标志、包装、运输和贮存等方面的基本要求。本文件适用于最大静水头不高于250m、公称直径不大于10000mm的进水液动蝶阀。水泵水轮机、蓄能泵进水液动蝶阀可参照使用。2规范性引用文件文件。GB/T150.1压力容器第1部分：通用要求GB/T150.3压力容器第3部分：设计GB/T150.4压力容器第4部分：制造、检验和验收GB/T包装储运图示标志GB/T223（所有部分）钢铁及合金化学分析方法GB/T228.1金属材料拉伸试验第1部分：室温试验方法GB/T金属材料夏比摆锤冲击试验方法GB/T231.1金属材料布氏硬度试验第1部分：试验方法GB/T2975钢及钢产品力学性能试验取样位置及试样制备GB/T3766液压传动系统及其元件的通用规则和安全要求GB/T4208外壳防护等级（IP代码）GB/T4336碳素钢和中低合金钢多元素含量的测定火花放电原子发射光谱法（常规法）GB/T4892硬质直方体运输包装尺寸系列GB/T5210色漆和清漆拉开法附着力试验GB/T5226.1机械电气安全机械电气设备第1部分：通用技术条件GB/T5677铸件射线照相检测GB/T6388运输包装收发货标志GB/T7233.1铸钢件超声检测第1部分：一般用途铸钢件GB/T7631.2润滑剂、工业用油和相关产品（L类）的分类第2部分：H组（液压系统）GB/T7935液压元件通用技术条件GB/T9443铸钢铸铁件渗透检测GB/T9444铸钢铸铁件磁粉检测GB11118.1液压油（L-HML-HVL-HS）GB11120涡轮机油GB/T11170不锈钢多元素含量的测定火花放电原子发射光谱法（常规法）GB/T11805水轮发电机组自动化元件（装置）及其系统基本技术条件GB/T13384机电产品包装通用技术条件1NB/T10970—2022GB/T13452.2色漆和清漆漆膜厚度的测定GB/T13927工业阀门压力试验GB/T14039液压传动固体颗粒污染等级代号GB/T20066钢和铁化学成分测定用试样的取样和制样方法JB/T6439阀门受压件磁粉检测JB/T6440阀门受压铸钢件射线照相检测JB/T6902阀门液体渗透检测JB/T7927阀门铸钢件外观质量要求JB/T10205液压缸NB/T35004水力发电厂自动化设计技术规范NB/T47013.2承压设备无损检测第2部分：射线检测NB/T47013.3承压设备无损检测第3部分：超声检测NB/T47013.4承压设备无损检测第4部分：磁粉检测NB/T47013.5承压设备无损检测第5部分：渗透检测NB/T47013.7承压设备无损检测第7部分：目视检测NB/T47014承压设备焊接工艺评定33术语和定义下列术语和定义适用于本文件。.1公称直径nominaldiameter进水液动蝶阀与上游、下游压力引水管法兰相连处阀体的通流内径。注：两侧内径不相同时指小值。注：单位为毫米（mm来源：GB/T144782012,3.1,有修改]3.2.3最大静水头maximumstatichead进水液动蝶阀关闭后，其水平中心线至上游最高水位所形成的水柱高。注：单位为米（m[来源：GB/T144782012,3.2,有修改]33最大静水压maximumstaticpressure进水液动蝶阀关闭后，其水平中心线至上游最高水位所形成的水压。注：单位为兆帕（MPa来源：GB/T144782012,3.3,有修改].4.5最高瞬态水头maximummomentaryhead机组过渡过程中，进水液动蝶阀水平中心线处所产生的最高水头。注：单位为米（m3最高瞬态压力maximummomentarypressure机组过渡过程中，进水液动蝶阀水平中心线处所产生的最高表计压力。2NB/T10970—2022注：单位为兆帕（MPa[来源：GB/T144782012,3.4,有修改]34.6设计压力designpressure用于进水液动蝶阀过流部件强度设计的压力。注：单位为兆帕（MPa[来源：GB/T144782012,3.5,有修改]进水液动蝶阀系统组成.1构成.1.144等附属设备构成。444.1.2进水液动蝶阀主要构成示意图见图12。.2分类.2.1进水液动蝶阀分类如下：）按操作方式，进水液动蝶阀分为蓄能罐式进水液动蝶阀、重锤式进水液动蝶阀；）按阀轴布置方式，进水液动蝶阀分为卧轴、立轴布置；）按密封形式，进水液动蝶阀分为单密封、双密封结构；d）按密封副材料配对型式，进水液动蝶阀分为非金属-金属的弹性密封、金属-金属的金属密封。.2.2进水液动蝶阀主阀本体及曲柄机构/重锤机构结构型式示意图见图34。43NB/T10970—2022标引序号说明：123456789111111图1蓄能罐式进水液动蝶阀主要构成示意图4NB/T10970—2022标引序号说明：1234567891111——液压系统；——电气控制系统；——基础埋件；——检修密封平压装置；——下游进排气装置；——旁通装置；——上游连接管；——操作机构；——主阀本体；0——主阀本体进排气装置；1——法兰连接紧固件；2——主管路伸缩节；3——下游连接管。图2重锤式进水液动蝶阀主要构成示意图5NB/T10970—2022标引序号说明：1234567图3单密封蓄能罐式进水液动蝶阀主阀本体及曲柄机构结构型式示意图6NB/T10970—2022标引序号说明：123456789111111——重锤机构；——移动密封环；——检修密封圈；——阀座；——调节压板；——检修密封锁锭装置；0——活门；12——阀轴轴承；3——阀轴密封；45——机械锁锭装置。图4双密封重锤式进水液动蝶阀主阀本体及重锤机构结构型式示意图7NB/T10970—20224.3型号编制4.3.1进水液动蝶阀型号由下列单元组成：）密封形式代号操作方式代号阀轴布置方式代号设计压力，单位为兆帕（MPa）进水液动蝶阀类型代号44445.3.2进水液动蝶阀类型代号用汉语拼音字母表示，应符合表1的规定。表1进水液动蝶阀类型代号进水液动蝶阀类型代号铁饼型蝶阀平板型蝶阀DFPDF.3.3阀轴布置方式代号用汉语拼音字母表示，应符合表2的规定。表2阀轴布置方式代号阀轴布置方式代号卧轴布置立轴布置WL.3.4操作方式代号用汉语拼音字母表示，应符合表3的规定。表3操作方式代号操作方式代号蓄能罐式重锤式YXYZ.3.5密封形式代号用汉语拼音字母表示，应符合表4的规定。表4密封形式代号密封形式代号单密封双密封DS技术要求和保证.1总体要求.1.155设备的关系。过机泥沙含量较高的水电站，进水液动蝶阀宜采用双密封形式。5.1.2进水液动蝶阀的设计、制造应符合本文件的规定，承压件还应符合GB/T150.1GB/T150.3、GB/T150.4的规定。8NB/T10970—20225.1.3进水液动蝶阀具有全开或全关工作状态，不应作调节流量用。.1.45值。注：调节保证设计值为过渡过程计算中，进水液动蝶阀水平中心线处最高瞬态压力在考虑计算误差和压力脉动之后的最高压力值。5.1.5进水液动蝶阀公称直径不宜小于水轮机蜗壳进口直径。进水液动蝶阀公称直径宜按50mm的倍数进行递增或圆整。555155.1.6进水液动蝶阀在两侧压力差不大于30％最大静水压的范围内应能正常开启。.1.7进水液动蝶阀在无水、静水和动水情况下应能可靠关闭，且不应产生结构损伤。.1.8公称直径大于或等于1000的进水液动蝶阀全开时的流阻系数应小于0.15；公称直径小于000的进水液动蝶阀全开时的流阻系数应小于。.1.9进水液动蝶阀全开时，管道内介质的流速不宜大于8m/s。.1.10过流部件的腐蚀裕量不宜小于2。55.2主阀本体及操作机构.2.1阀体55555.2.1.1阀体可采用组焊、铸造整体或分瓣组合的框架式结构。.2.1.2阀体流道应光滑，过流面需要避免因尖角或厚度突变引起的应力集中。.2.1.3阀体端部法兰、最小壁厚、开孔和开孔补强应符合GB/T150.3的规定。.2.1.4阀体上可设置活门全关位置的限位块。.2.1.5基础上，且阀体不应产生结构损伤、有害的永久变形。.2.1.6移。55.2.2活门55.2.2.1活门可采用组焊或铸造双平板桁架式结构，其型线设计需要防止卡门涡引起的振动。.2.2.2活门宜采用偏心结构。55.2.3主密封.2.3.1用过程中不松动，连接处不应发生泄漏。.2.3.2于2。55555.2.3.3双密封进水液动蝶阀的工作密封副应设置在下游侧，检修密封副应设置在上游侧。.2.3.4检修密封移动密封环的投入、退出可采用手动或自动操作。.2.3.5检修密封移动密封环与阀体的相对滑动面应采取防锈措施。.2.3.6在不拆卸阀体、活门的情况下，应能更换工作密封圈。5.2.4阀轴和阀轴密封55.2.4.1阀轴应能安全承受活门在动水关闭和强度水压试验时的全部载荷。.2.4.2动。5.2.4.3阀轴两端宜设置耐磨蚀的自润滑轴承，阀轴轴承应能承受阀轴所传递的最大载荷。9NB/T10970—2022555.2.4.4阀轴密封宜采用双重或多重密封结构，密封应严密可靠并具有防泥沙功能。.2.4.5阀轴与阀轴轴承及阀轴密封圈接触的部位应采取防锈措施。.2.4.6在不拆卸阀轴的情况下，应能更换阀轴密封。5.2.5操作机构55.2.5.1操作机构由接力器、曲柄机构重锤机构组成。.2.5.2要求。55.2.5.3曲柄与阀轴、重锤与曲柄的连接方式应保证其在使用过程中不松动。.2.5.4蝶阀关闭至全关位置。55.2.5.5接力器应符合10205的规定，在运行过程中,活塞动作应灵活、平稳，无卡阻。.2.5.6根据需要设置缓冲装置。55.2.6锁锭装置.2.6.1自动液压锁锭装置，重锤式进水液动蝶阀全关位置的自动液压锁锭装置根据需要设置。55.2.6.2进水液动蝶阀不宜设置全开位置的自动液压锁锭装置，宜设置全开位置的手动机械锁锭装置。.2.6.3密封操作介质压力后，锁锭装置应能保证检修密封处于关闭位置的可靠性。5.2.7指示装置555.2.7.1进水液动蝶阀应设置表示活门开启角度的指示装置。.2.7.2双密封进水液动蝶阀应设置表示检修密封移动密封环位置的指示装置。.2.7.3有位置指示。55.3附属设备.3.1上游连接管55.3.1.1上游连接管与阀体宜采用法兰连接。.3.1.2上游连接管与上游压力钢管在现场焊接的坡口形式和尺寸应与压力钢管的要求匹配。5.3.2主管路伸缩节55.3.2.1进水液动蝶阀应设置主管路伸缩节，主管路伸缩节宜布置在下游侧。.3.2.2内克服因管道安装不同轴而产生的偏移，且不应对管道产生任何有害的轴向作用力。5555.3.2.3伸缩节的轴向压缩伸缩量不应小于mm。.3.2.4伸缩节与阀体宜采用法兰连接。.3.2.5伸缩节应设置安装时调整用的调节螺杆。.3.2.6伸缩节的相对滑动面应采取防锈措施。55.3.3下游连接管.3.3.1下游连接管上可设置进人门。10NB/T10970—202255.3.3.2下游连接管与主管路伸缩节宜采用法兰连接。.3.3.3下游连接管与蜗壳进口钢管在现场焊接的坡口形式和尺寸应与蜗壳的要求匹配。55.3.4旁通装置.3.4.1压的要求。555.3.4.2旁通阀公称直径不应小于进水液动蝶阀公称直径的％，旁通阀宜选用针形阀。.3.4.3旁通阀前应设置检修阀，旁通检修阀宜选用闸阀、蝶阀。.3.4.4旁通装置根据需要设置伸缩节。55.3.5进排气装置.3.5.1顶部设置进排气装置。55.3.5.2空气阀公称直径不宜小于进水液动蝶阀公称直径的5％。.3.5.3空气阀前应设置检修阀，空气阀的检修阀宜选用闸阀、蝶阀。55.3.6排水装置.3.6.1底部。5.3.6.2排水阀宜选用闸阀、截止阀、蝶阀。5.3.7检修密封平压装置腔与上游管道内水压平衡的要求。55.3.8法兰连接紧固件.3.8.1操作条件下的密封性能和承压强度。55.3.8.2法兰连接紧固件应进行连接强度的校核计算。.3.8.3碳钢和合金钢制造的紧固件应进行防锈处理。55.4液压系统.4.1每台进水液动蝶阀宜设置独立的液压系统，为其开启、关闭提供所需的驱动压力能，并能控制、调节主阀本体及液动旁通阀开启、关闭的速度。555.4.2液压系统应符合3766的规定，液压元件应符合GB/T7935的规定。.4.3进水液动蝶阀的操作油压宜选用MPa6.3MPa或4.0MPa压力等级。.4.4的0.5倍。.4.5量。55.4.6情况下至少开阀1次和关阀1作油压下限且不启动液压泵的情况下至少开阀111NB/T10970—2022555.4.7液压系统应设置维修时泄压、更换油液和清洁油箱时放油的手动阀。.4.8液压系统宜设有与水轮发电机组纯机械液压过速保护装置的联动接口。.4.9检修密封移动密封环宜采用水压操作，水压操作的压力水宜从进水液动蝶阀的上游压力管道引取，经过滤处理后使用，压力水也可采用其他清洁水源。.4.10液压油的分类和应用范围应符合GB/T7631.2的规定，液压油应符合11118.1或GB11120的规定。.4.11液压油应与其所接触零件的材料相适应，并应定期过滤或更换，其固体颗粒污染等级应符合GB/T14039的要求。5555.5电气控制系统.5.1进水液动蝶阀电气控制系统应符合GB/T5226.1蝶阀开启、关闭的现地操作和远程控制。5555.5.2电气控制系统所配电气控制柜的外壳防护等级应符合GB/T4208的规定，不宜低于IP54等级。.5.3电气控制系统宜采用相互独立、能实现零扰动切换的热备形式的双控制电源。.5.4液压泵电机功率大于或等于kW时宜采用软启动方式。.5.5锁控制，当移动密封环动作或检修密封处于投入状态时，应闭锁活门动作。5.5.6进水液动蝶阀宜设置下列信号：a）正常工作压力上限、下限信号；b）压力高、压力低报警信号；c）事故低油压信号；d）上游和下游差压信号；e）油箱低油位报警信号；f）过滤器滤清报警信号；g）主阀本体全开、全关位置信号；h）旁通阀全开、全关位置信号；）液压锁锭投入、解除信号；）机械锁锭投入、解除信号；）双密封进水液动蝶阀检修密封移动密封环投入、退出信号；）液压泵运行信号；）现地操作/远程控制状态信号。.5.7电气控制系统宜对其温度和湿度进行监控，并采取防止产生结露、实现散热的措施。5555.5.8进水液动蝶阀与水轮发电机组相关设备之间的电气、液压控制联锁接口可根据需要设置。.5.9电气控制系统宜通过硬节点形式和通讯接口形式与电站监控系统进行信息传输。.5.10进水液动蝶阀自动化元件及系统的技术要求还应符合GB/T11805NB/T35004的规定。55.6.6.1量合格证明书。555555.6.2铸钢件的外观质量应符合JB/T7927的规定。.6.3堆焊密封面应采用耐磨损、耐空蚀的材料。.6.4工作密封圈可采用优质耐磨损的金属或非金属材料，检修密封圈宜采用耐磨损的金属材料。.6.5阀轴轴承宜采用具有自润滑性能的材料。.6.6与油类接触的密封件应采用优质耐油材料。.6.712NB/T10970—2022强度侧钢材相适应。55.6.8上游连接管与上游压力钢管的材料应匹配，下游连接管与蜗壳的材料应匹配。.6.9合咬死，垫片材料在承受规定的螺栓载荷时不应损坏失效。555.6.10主阀本体及曲柄机构/重锤机构主要零件材料见附录A。.7工作应力和安全系数.7.1分析计算。5.7.2对零件在设计压力下采用经典公式计算的应力不应超过表5。.7.3阀轴的最大剪应力不应超过许用拉应力的％，其他承受扭转力矩零件的最大剪应力不应超过许用拉应力的％，最大综合应力不应超过许用应力。.7.4555％。5.7.5主要承压件宜进行三维有限元应力分析计算。表5零件的许用应力单位为兆帕许用应力材料拉应力压应力碳素铸钢合金铸钢抗拉强度的1/5且屈服强度的1/3抗拉强度的1/5且屈服强度的1/3碳钢锻件屈服强度的1/3抗拉强度的1/5且屈服强度的1/3抗拉强度的1/4屈服强度的1/3抗拉强度的1/5且屈服强度的1/3抗拉强度的1/4合金钢锻件主要受力件的碳素钢板高强度钢板（抗拉强度≥440MPa）其他钢件屈服强度的1/3屈服强度的1/3抗拉强度的1/5且屈服强度的1/3抗拉强度的1/5且屈服强度的1/35.855455.8.1进水液动蝶阀焊接接头的分类和结构设计见GB/T150.1GB/T150.3。.8.2零件焊接和焊接返修应符合GB/T150.4的规定，承压件焊缝、密封面堆焊及返修焊缝应按7014的规定进行焊接工艺评定。.8.3焊接接头表面不应有裂纹、未熔合、气孔、弧坑、夹渣和飞溅物，焊接接头与母材应平滑过渡。.8.4有未熔合缺陷。55.8.5焊接返修应在缺陷清除干净后进行，焊缝同一部位的返修次数不宜超过2次。.8.6要求焊后热处理的零件宜在热处理前进行焊接返修。5.955.9.1一次成形漆膜的附着力不应小于5MPa，二次修补漆膜的附着力不应小于4MPa。.9.2涂层外观应光滑平整，色泽一致，无裂纹、鼓泡、桔皮、皱褶、流挂、剥落及漏涂等缺陷。13NB/T10970—20225.10密封性能5.10.1在主阀本体的密封试验过程中，主阀本体的阀轴密封、阀体分瓣面、阀座与阀体的接触面、有密封要求的焊接接头不应有泄漏。5.10.2工作密封和检修密封的泄漏量不应超过公式（1）的计算值。Q=KDNH„„„„„„„„„„„„„„„„„（1）式中：Q——进水液动蝶阀的泄漏量，单位为升每分钟（L/minK-K=0.0001K=0.023作密封采用金属-金属的密封：D≤5m时K=0.05，D＞5m时K=0.1；检修密封采用金属金NN属的密封：D≤5m时K=0.1，D＞5m时K=0.15；检修密封采用非金属金属的密封：出厂验NN收时K=0.0001，质量保证期内K=0.023；DN——进水液动蝶阀公称直径，单位为米（mH——试验水头，单管单机时为最大静水头；一管多机时为最高瞬态水头；单位为米（m5.11启闭时间和角度55.11.1进水液动蝶阀开启时间调节范围宜为s～180s，关闭时间调节范围宜为s～120s。.11.2进水液动蝶阀启闭角度应为0°～90°。55.12可靠性指标.12.1进水液动蝶阀每年允许的启闭次数不应少于1200启闭次数不应少于30005555.12.2进水液动蝶阀系统可利用率不应低于99.5.12.3进水液动蝶阀无故障连续运行时间应大于h。.12.4进水液动蝶阀全面检修间隔时间不应少于8年。.12.5进水液动蝶阀安全稳定运行寿命不应少于年。5.13质量保证期收完成之日起2年，或从最后一批货物交货之日起3年，以先到日期为准。66供货范围.1进水液动蝶阀成套供货范围如下：a）主阀本体，包括阀体、活门、阀轴、工作密封装置、阀轴密封装置、机械锁锭装置、阀门开启角度指示装置，双密封进水液动蝶阀还包括检修密封装置；b）操作机构，包括接力器、曲柄机构或重锤机构；c法兰连接紧固件、基础埋件，双密封进水液动蝶阀还包括检修密封平压装置；d）液压系统，包括液压泵电机组、蓄能装置、控制阀组、油箱、液压辅件、管路及自动化元件；e）电气控制系统，包括电气控制柜、分线盒、检测开关及各电气控制设备之间的电缆；f）备品备件、专用工具。6.2备品备件应具有互换性，并与原件材质及制造工艺相同。常规备品备件和专用工具见附录B。14NB/T10970—20227检验、试验及验收777.1.1.1通用要求.1.1.1合格证，并经检定、校准合格且在有效期内。7.1.1.2对重要项目的复检由需方和制造方商定。7.1.2材料检验7777.1.2.1零件材料应进行外观质量、尺寸、化学成分、力学性能的检验。.1.2.2材料外观采用目视检验，检验结果应符合相关材料标准的要求。.1.2.3材料尺寸采用相应的量具检测，检测结果应符合相关材料标准、产品图样或技术文件的要求。.1.2.4钢的化学成分测定用的试样取样方法按GB/T20066或相关材料标准的规定，化学分析方法按GB/T4336GB/T223（所有部分）或GB/T11170的规定，检验结果应符合相关材料标准的要求。7.1.2.5钢的力学性能试样制备按GB/T2975的规定，检验结果应符合相关材料标准的要求。77.1.3无损检测.1.3.1检测方法资格证的人员担任。7.1.3.2结果存在疑议时，可采用射线检测进行复验。7.1.3.3铸钢件的无损检测方法和质量要求如下：）铸钢件目视检测方法按NB/T47013.7的规定，铸钢件外观质量应符合JB/T7927的要求；或见CCH70-4中VT70-4的规定，质量等级见VT70-4的要求，最低验收等级见3级；b）铸钢件渗透检测方法按GB/T或JB/T6902的规定，质量等级应符合JB/T的要求，最低验收等级不应低于3级；或见CCH70-4中PT70-4的规定，质量等级见PT70-4的要求，最低验收等级见3c）铸钢件磁粉检测方法按GB/T或JB/T6439的规定，质量等级应符合JB/T的要求，最低验收等级不应低于3级；或见70-4中MT70-4的规定，质量等级见MT70-4的要求，最低验收等级见3d）铸钢件超声检测方法按GB/T7233.1的规定，质量等级应符合GB/T7233.1的要求，最低验收等级不应低于3级；或见CCH70-4中UT70-4的规定，质量等级见UT70-4的要求，最低验收等级见3e）铸钢件射线检测方法按GB/T或JB/T6440的规定，质量等级应符合JB/T的要求，最低验收等级不应低于3级；或见CCH70-4中RT70-4的规定，质量等级见RT70-4的要求，最低验收等级见3级。7.1.3.4法和质量要求如下：NB/T47013.4,轴类零件不应有任何横向缺陷显示，质量等级应符合NB/T47013.4的要求，最低验收等级不应低于Ⅰ级；15NB/T10970—2022bNB/T47013.5,轴类零件不应有任何横向缺陷显示，质量等级应符合NB/T47013.5的要求，最低验收等级不应低于Ⅰ级；cNB/T47013.3的规定采用B应符合NB/T47013.3的要求，最低验收等级不应低于Ⅲ级。7.1.3.5承压件焊接接头按GB/T150.4的规定进行全部（100％）无损检测或局部无损检测，在工地现100检测方法重新检测，直至合格。焊接接头的无损检测方法和质量要求如下：a）焊接接头目视检测方法按NB/T47013.7的规定，焊接接头表面不应有裂纹、未熔合、气孔、弧坑、夹渣和飞溅物，焊接接头与母材应平滑过渡；b）焊接接头磁粉检测方法按NB/T47013.4的规定，质量等级应符合NB/T47013.4的要求，最低验收等级不应低于Ⅰ级；c）焊接接头渗透检测方法按NB/T47013.5的规定，质量等级应符合NB/T47013.5的要求最低验收等级不应低于Ⅰ级；d和NB/T47013.3的要求最低验收等级不应低于Ⅱ级；e）焊接接头射线检测方法按NB/T47013.2的规定采用AB级技术等级检测，质量等级应符合GB/T150.4和NB/T47013.2的要求，最低验收等级不应低于Ⅲ级。7.1.3.6堆焊密封面应进行目视和渗透检测，检测方法和质量要求如下：a5倍～斑点、刮伤、刻痕等缺陷，堆焊层侧面不应有未熔合缺陷；b）堆焊密封面的渗透检测方法按NB/T47013.5的规定，质量等级应符合NB/T47013.5的要求,最低验收等级不宜低于Ⅰ级。77.1.4零部件外表面检查零部件外表面采用目视检查，不应有裂纹、锈蚀、划痕、撞伤等缺陷，加工表面应采取防锈措施。.1.5涂层检查77.1.5.1涂层厚度检测方法按GB/T13452.2的规定，检测结果应符合产品图样或技术文件的要求。.1.5.2漆膜附着力检测方法按GB/T5210的规定，一次成形漆膜的附着力不应小于5MPa，二次修补漆膜的附着力不应小于4MPa。.1.5.3落及漏涂等缺陷。77.1.6铭牌和标志检查进水液动蝶阀的铭牌和流向标志采用目视检查，铭牌内容和标志方向应正确，文字、图线应清晰醒目。77.1.7尺寸和坡口形式检查.1.7.1采用相应量具检查下列尺寸，核查数量，检查结果应符合产品图样的要求。a）结构长度。b）堆焊密封面厚度。c）主阀本体地脚螺栓孔及地脚螺栓孔的位置尺寸。d）上游、下游连接管内径、壁厚及长度。e）伸缩节的伸缩量。16NB/T10970—2022f）接力器地脚螺栓孔及地脚螺栓孔的位置尺寸。77.1.7.2采用目视检查上游、下游连接管现场焊接端坡口形式，检查结果应符合产品图样的要求。.1.8信号检测检测电气控制系统设置的压力、位置、状态、报警等信号,各信号显示应正确。77.2工厂试验.2.1通用要求777.2.1.1测量试验压力的仪表精度不应低于1.6级。.2.1.2水压试验的介质应为温度在5℃～℃之间的清洁水。.2.1.3进水液动蝶阀工厂试验方法见附录C。77.2.2主阀本体压力试验.2.2.1壳体强度水压试验壳体强度水压试验压力为1.5倍的设计压力，试验保压时间为min。壳体强度水压试验方法见C.1.1，在试验过程中，壳体不应有结构损伤、有害的永久变形，不应有可见渗漏通过壳壁和有密封要求的焊接接头处。7.2.2.2活门强度水压试验活门强度水压试验压力为1.2倍的设计压力，试验保压时间为min。活门强度水压试验方法见C.1.2，在试验过程中，活门不应有结构损伤、有害的永久变形，不应有可见渗漏通过有密封要求的焊接接头处，试验过程中发生的密封面的泄漏不应作为判定本项试验不合格的依据。7.2.2.3工作密封试验单管单机时，工作密封试验压力为最大静水压；一管多机时，工作密封试验压力为最高瞬态压力；试验保压时间为30min。工作密封试验方法见C.1.3，试验结果应符合5.10.15.10.2的要求。7.2.2.4检修密封试验单管单机时，检修密封试验压力为最大静水压；一管多机时，检修密封试验压力为最高瞬态压力；试验保压时间为30min。检修密封试验方法见C.1.4，试验结果应符合5.10.15.10.2的要求。7.2.3主管路伸缩节密封试验主管路伸缩节密封试验压力为设计压力，试验保压时间为min。主管路伸缩节密封试验方法见C.2，在试验过程中，伸缩节密封副不应有渗漏。77.2.4旁通装置试验.2.4.1旁通阀壳体强度水压试验旁通阀壳体强度水压试验压力为1.5min试验方法见C.3.1阀体连接处。7.2.4.2旁通阀密封试验17NB/T10970—2022旁通阀密封试验压力为1.1倍的公称压力，试验保压时间为30min。旁通阀密封试验方法见C.3.2,弹性密封旁通阀的最大允许泄漏量应符合GB/T13927的A级要求，金属密封旁通阀的最大允许泄漏量宜按GB/T13927D级计算。7.2.4.3旁通阀带压开启试验旁通阀带压开启试验压力为公称压力。旁通阀带压开启试验方法见C.3.3,旁通阀应能正常开启，无任何卡阻。7.2.4.4检修阀壳体强度水压试验检修阀壳体强度水压试验压力为1.5min试验方法见C.3.4阀体连接处。7.2.4.5检修阀密封试验检修阀密封试验压力为1.1倍的公称压力，试验保压时间为30min。检修阀密封试验方法见C.3.5,弹性密封检修阀的最大允许泄漏量应符合GB/T13927的A级要求，金属密封检修阀的最大允许泄漏量宜按GB/T13927D级计算。7.2.4.6检修阀带压开启试验检修阀带压开启试验压力为公称压力。检修阀带压开启试验方法见C.3.6,检修阀应能正常开启，无任何卡阻。7.2.4.7旁通伸缩节密封试验minC.3.7，在试验过程中，伸缩节密封副不应有渗漏。7.2.4.8旁通装置整体强度水压试验倍minC.3.8管件应无结构损伤，不允许有可见渗漏通过阀门壳壁、管壁和固定连接处。77.2.5空气阀试验.2.5.1空气阀壳体强度水压试验空气阀壳体强度水压试验压力为1.5min试验方法见C.4.1,阀体连接处。7.2.5.2空气阀密封试验空气阀密封试验压力为30minC.4.2,弹性密封空气阀的最大允许泄漏量应符合GB/T13927的A级要求，金属密封空气阀的最大允许泄漏量宜按GB/T13927的B级计算。7.2.5.3空气阀动水关闭试验空气阀动水关闭试验方法见C.4.3，空气阀应能正常关闭。18NB/T10970—20227.2.6无水动作试验进水液动蝶阀无水动作试验方法见C.5,试验结果应符合以下要求：a）接力器活塞在全行程范围内运动灵活、平稳，无卡阻；b）解除动作灵活、可靠，无卡阻，位置指示准确；c无卡阻，位置指示准确。77.2.7接力器试验.2.7.1接力器耐压试验接力器耐压试验压力为minC.6.1，在试验过程中，接力器不应有结构损伤和外泄漏。7.2.7.2接力器泄漏试验接力器泄漏试验压力为接力器设计压力，试验保压时间为30min。接力器泄漏试验方法见C.6.2，在试验过程中，接力器各密封处不应有外泄漏，接力器的内泄漏量宜符合10205的规定。77.2.8液压系统试验.2.8.1液压站耐压试验液压站耐压试验压力为1.5倍的系统额定压力，试验保压时间为30min。液压站耐压试验方法见C.7.1，在试验过程中，液压站各组件不应有结构损伤和外泄漏。7.2.8.2液压系统保压试验液压系统保压试验压力为系统工作压力上限。液压系统保压试验方法见C.7.212h内的系统压力下降值不应超过1077.3现场试验.3.1通用要求77.3.1.1在现场进行组装的主阀本体应在组装完成后进行密封试验。.3.1.2动水关闭试验。7.3.1.3进水液动蝶阀现场试验应具备下列条件：a）进水液动蝶阀流道内的泥沙、焊渣及其他杂物已清理干净并检查合格；b）相关设备、设施、人员等满足现场试验的要求；c）环境保护、安全防护符合相关标准和规定。777.3.1.4进水液动蝶阀现场试验方法见附录D。.3.2无水动作试验.3.2.1泵运转正常，主阀本体、旁通阀启闭情况良好，控制信号显示正确，通信畅通。7.3.2.2进水液动蝶阀无水动作试验方法见D.1，试验结果应符合以下要求：a）接力器活塞在全行程范围内运动灵活、平稳，无卡阻；19NB/T10970—2022b）进水液动蝶阀能在规定的时间范围内完成开启和关闭，全关位置锁锭、全开位置锁锭的投入和解除动作灵活、可靠，无卡阻，位置指示准确；c无卡阻，位置指示准确；d）进水液动蝶阀与水轮发电机组相关设备的联锁动作能顺利完成。7.3.3充水动作试验77.3.3.1进水液动蝶阀充水动作试验应在无水动作试验合格后进行。.3.3.2进水液动蝶阀充水动作试验方法见D.2，在管道充水过程中，进水液动蝶阀工作状态应正常，应无泄漏。充水结束后，进水液动蝶阀应无结构损伤，连接紧固件应无松动。7.3.4静水动作试验进水液动蝶阀静水动作试验方法见D.3，试验结果应符合7.3.2.2a）～）的要求。7.3.5动水关闭试验77.3.5.1进水液动蝶阀动水关闭试验应在静水动作试验合格后进行。.3.5.2行。7.3.5.3状态，进水液动蝶阀旁通装置检修阀、空气阀的检修阀等处于开启状态。7.3.5.4进水液动蝶阀动水关闭试验方法见D.4结构损伤。77.4.4.1通用要求7777.4.1.1进水液动蝶阀产品验收包括出厂验收、开箱验收、初步验收和最终验收。.4.1.2需方应按制造方提供的产品图样、产品验收大纲等技术文件及相关标准作为产品验收的依据。.4.1.3进水液动蝶阀产品验收文件见附录E。.4.1.4进水液动蝶阀产品采取文件验收方式的检验项目包括：a）主要零件材料化学成分检验；b）主要零件材料力学性能检验；c）外购件质量检验；d）主要承压件焊接工艺评定；e）主要零件焊接、焊接返修检验；f）主要零件热处理检验；g）主要零件机加工检验；h）主要零件原材料、承压件、堆焊密封面的无损检测；i）产品装配检验；j）产品表面涂层厚度、漆膜附着力检验；k）需方和制造方商定的其他检验项目。7.4.1.5需方在验收过程中发现不符合标准规定或订货合同要求时，应及时通知制造方，双方协商后，由制造方对不合格项目进行整改，直至验收合格。20NB/T10970—20227.4.1.6制造方提供的质量检验记录/报告应真实、准确、完整、有效，签字齐全，并加盖公章或检验专章。7.4.2出厂验收77.4.2.1制造方应按订货合同规定的时间提前通知需方到制造现场参加进水液动蝶阀产品的出厂验收。.4.2.2装配、调试合格后进行。7.4.3开箱验收77.4.3.1产品发运至现场，需方应提前通知制造方到现场进行开箱验收。.4.3.2随机资料，资料应正确、完整。.4.3.3称、型号规格，清点数量，检查外观质量，确认各部分规格、数量准确无误，外形完好无损。77.4.3.4进水液动蝶阀开箱验收完成后，验收双方应在产品开箱验收记录上签字。7.4.4初步验收77.4.4.1进水液动蝶阀产品的初步验收应在其现场安装、调试完成后进行。.4.4.2现场试验过程中，进水液动蝶阀整机运行平稳，产品性能指标达到规定值。7.4.5最终验收77.4.5.1进水液动蝶阀产品的最终验收在其投入商业运行后进行。.4.5.2续稳定运行的要求。8图纸和资料制造方应按订货合同规定的时间和数量向需方提交相关图纸和资料，并应附有图纸和资料清单：—————————————————运输及起吊图；—基础埋件和受力图；—进水液动蝶阀系统图；—主阀本体装配图；—机械主要部件装配图；—主要零件图；—易损零件图；—液压原理图；—液压管路布置图；—液压系统装配图；—双密封进水液动蝶阀水控柜系统图；—电气原理图；—电气控制流程图；—电气控制系统图；—电气控制布置图；—电气互连图；21NB/T10970—2022————————电气控制柜外形图；—配电板电气元件布置图；—电气控制柜操作面板图；—产品设计计算书；—产品有限元分析报告；—产品使用说明书；—与进水液动蝶阀设计、制造、安装、调试、运行、维护和检修有关的其他图纸和资料。99标志、包装、运输和贮存.199.1.1进水液动蝶阀应设置指示介质流向的标志。.1.2进水液动蝶阀产品铭牌内容如下：a）产品名称；b）产品型号；c）公称直径；d）进水液动蝶阀设计压力；e）接力器设计压力；f）操作介质/压力；g）产品生产系列号；h）出厂日期；i）制造厂名称。99.1.3产品包装储运图示标志应符合GB/T191的规定，运输包装收发货标志应符合GB/T6388的规定。.1.4标志应清晰醒目，无脱落残缺。9.2包装、运输和贮存99.2.1进水液动蝶阀应在产品出厂验收合格并清洁、干燥后进行包装。.2.2保护。.2.3进水液动蝶阀包装应根据具体结构、尺寸、运输方式、流通的环境条件及订货合同的要求设计，并采取必要的防雨、防潮、防锈、防霉、防震和防变形等保护措施，确保产品在运输过程中不致受损。.2.499质直方体运输包装箱的尺寸应符合GB/T4892GB/T13384的规定。9.2.5包装箱内应附下列随机文件：a）产品质量证明文件；b）产品质量合格证；c）产品使用说明书；d）产品供货清单或装箱单。999.2.6运输方式应安全可靠，运输过程中不应发生包装损坏、零部件损坏和丢失。.2.7承运方和收货方应根据产品发货清单和运单进行运输货物交接，运输货物交接单由双方签字。.2.8品对橡胶件的污损。.2.9电气元件、自动化装置或仪表应存放在温度℃～+40℃、相对湿度不大于％，无酸、碱、922NB/T10970—2022盐及腐蚀性、爆炸性气体和强电磁场作用的室内。.2.10防尘、防盐雾等措施。923NB/T10970—2022附录A（资料性）主阀本体及曲柄机构/重锤机构主要零件材料主阀本体及曲柄机构/重锤机构主要零件材料见表。表A.1主阀本体及曲柄机构/重锤机构主要零件材料零件名称材料材料标准碳素钢锻件16MnQ355BNB/T47008低合金高强度结构钢Q355CGB/T1591组焊件Q355D阀体Q235B碳素结构钢非合金钢及细晶粒钢焊丝碳素钢铸件GB/T700GB/T8110GB/T12229NB/T47008Q235CER50-6WCBZG250-485）WCCZG275-485）16Mn铸件组焊件铸件碳素钢锻件Q355B低合金高强度结构钢Q355CGB/T1591活门Q355D非合金钢及细晶粒钢焊丝碳素钢铸件ER50-6GB/T8110WCBZG250-485）WCCZG275-485）06Cr19Ni1006Cr19Ni10GB/T12229与阀体用紧固件连接不锈钢不锈钢GB/T4237GB/T4237密封面在本体上加工S309GB/T29713阀座与阀体焊接不锈钢焊丝ER309AWSA5.9/A5.9M密封面堆焊组焊件高铬钢堆焊焊条低合金高强度结构钢不锈钢D507MoQ355BGB/T984GB/T1591GB/T4237移动密封环06Cr19Ni1006Cr19Ni10金属密封圈橡胶密封圈不锈钢GB/T423706Cr18Ni11TiWA8533丁腈橡胶HG/T2810GB/T3077GB/T4237GB/T3280JB/T6398GB/T1220合金结构钢40Cr组焊件锻件不锈钢不锈钢06Cr19Ni10阀轴210Cr132Cr1324NB/T10970—2022表A.1主阀本体及曲柄机构/重锤机构主要零件材料（续）零件名称材料材料标准—阀轴轴承调节压板钢背-聚甲醛复合材料低合金高强度结构钢Q355B12Cr13GB/T1591不锈钢GB/T423720Cr13碳素钢锻件16MnNB/T47008Q355BQ355C曲柄组焊件低合金高强度结构钢GB/T1591Q355D碳素结构钢灰铸铁Q235BGB/T700GB/T9439GB/T1348GB/T11352HT250重锤球墨铸铁铸造碳钢件QT450-10ZG230-45025NB/T10970—2022附录B（资料性）常规备品备件和专用工具B.1常规备品备件及推荐数量见表B.1。表B.1常规备品备件及推荐数量备品备件推荐数量两台进水液动蝶阀序号备品备件名称一台进水液动蝶阀1台套三台及以上进水液动蝶阀123456主阀本体非金属密封圈阀轴密封的填料和密封圈接力器的密封圈1台套2台套1台套1台套1台套1台套2台套4台套2台套2台套2台套2台套1台套1台套伸缩节的密封圈1台套各法兰密封面的密封件阀轴轴承1台套1台套B.2常规专用工具及推荐数量见表B.2。表B.2常规专用工具及推荐数量序号专用工具名称专用扳手专用工具推荐数量123451台套1台套1台套1台套1台套D型卸扣吊环螺栓螺丝千斤顶充氮工具（如果需要）26NB/T10970—2022附录C（资料性）进水液动蝶阀工厂试验方法C.1主阀本体压力试验方法C.1.1壳体强度水压试验方法壳体强度水压试验方法如下：a活门微启，检修密封脱开，从闷头注水口向阀门壳体内充满水，排净内腔的空气后封闭排气口，将压力从0MPa阀门壳体的承压情况，将压力逐渐降到0MPa；b活门微启，从闷头注水口向阀门壳体内充满水，排净内腔的空气后封闭排气口，将压力从0MPa情况，将压力逐渐降到0MPa。注：0MPa”指阀体内腔顶部的压力。C.1.2活门强度水压试验方法壳体强度水压试验后，拆除进水液动蝶阀下游侧的闷头，活门关闭，工作密封投入工作，将压力从0MPa逐渐升压到活门强度水压试验压力，压力稳定后保持试验压力到规定时间，检查活门的情况。C.1.3工作密封试验方法查工作密封的泄漏情况，将压力逐渐降到0MPa。C.1.4检修密封试验方法活门处于关闭状态，检修密封投入工作，向阀门内腔注水至泄漏检测口有水溢出，将压力从0MPa力逐渐降到0MPa。C.2主管路伸缩节密封试验方法0MPa密封副的渗漏情况，将压力逐渐降到0MPa。C.3旁通装置试验方法C.3.1旁通阀壳体强度水压试验方法降到0MPa。27NB/T10970—2022C.3.2旁通阀密封试验方法封闭旁通阀进口端，启闭件关闭，向阀门内腔充满水，排净内腔的空气，将压力从0MPa逐渐升压到密封试验压力，压力稳定后保持试验压力到规定时间，检查旁通阀另一端的泄漏情况。C.3.3旁通阀带压开启试验方法旁通阀密封试验后，将压力降到带压开启试验压力，带压开启旁通阀，检查旁通阀的开启情况。C.3.4检修阀壳体强度水压试验方法降到0MPa。C.3.5检修阀密封试验方法0MPa逐渐升压到密封试验压力，压力稳定后保持试验压力到规定时间，检查检修阀另一端的泄漏情况。C.3.6检修阀带压开启试验方法检修阀密封试验后，将压力降到带压开启试验压力，带压开启检修阀，检查检修阀的开启情况。C.3.7旁通伸缩节密封试验方法0MPa试验压力到规定时间，检查伸缩节密封副的渗漏情况，将压力逐渐降到0MPa。C.3.8旁通装置整体强度水压试验方法0MPa后保持试验压力到规定时间，检查旁通装置各组件的承压情况，将压力逐渐降到0MPa。C.4空气阀试验C.4.1空气阀壳体强度水压试验方法封闭空气阀进口端，向阀门壳体内充水至启闭件关闭，将压力从0MPa逐渐升压到壳体强度水压试验压力，压力稳定后保持试验压力到规定时间，检查阀门壳体的承压情况，将压力逐渐降到0MPa。C.4.2空气阀密封试验方法0MPa力稳定后保持试验压力到规定时间，检查空气阀另一端的泄漏情况，将压力逐渐降到0MPa。C.4.3空气阀动水关闭试验方法隔离阀，检查空气阀的关闭情况,将压力逐渐降到0MPa。C.5无水动作试验方法C.5.1接通电源，分别操作现地自动远程控制方式按钮，使进水液动蝶阀在无水情况下从全关全开-28NB/T10970—2022全关循环动作3次，检查下列情况：a）接力器的运行情况；b）进水液动蝶阀启闭动作、启闭时间和位置指示情况；c）进水液动蝶阀全关位置锁锭、全开位置锁锭的投入、解除动作和位置指示情况。C.5.2通过驱动装置推动双密封进水液动蝶阀检修密封移动密封环往复运动3作和位置指示情况。C.5.33C.6接力器试验方法C.6.1接力器耐压试验方法置，分别向工作腔施加耐压试验压力，压力稳定后保持试验压力到规定时间，检查接力器的泄漏情况；后保持试验压力到规定时间，检查接力器的泄漏情况。C.6.2接力器泄漏试验方法C.6.2.1向接力器工作腔进油，加压到泄漏试验压力，检测经活塞泄漏至未加压腔的泄漏量。C.6.2.2C.6.1C.6.2.1密封处、结合面处的泄漏情况。C.7液压系统试验方法C.7.1液压站耐压试验方法承压情况。C.7.2液压系统保压试验方法压力，切断其电机电源，达到规定的时间后测试系统的压力。29NB/T10970—2022附录D（资料性）进水液动蝶阀现场试验方法D.1无水动作试验方法D.1.1接通电源，分别操作现地自动远程控制方式按钮，使进水液动蝶阀在无水情况下从全关全开-全关循环动作3次，检查下列情况：a）接力器的运行情况；b）进水液动蝶阀启闭动作、启闭时间和位置指示情况；c）进水液动蝶阀全关位置锁锭、全开位置锁锭的投入、解除动作和位置指示情况。D.1.2通过驱动装置推动双密封进水液动蝶阀检修密封移动密封环往复运动3作和位置指示情况。D.1.33D.1.4动作情况。D.2充水动作试验方法D.2.1泄漏量；利用下游排水口或其他合适的方法测量工作密封的泄漏量。D.2.2在充水过程中和充水结束后监测并记录进水液动蝶阀进水流道的压力，检查进水液动蝶阀的工作状态、流道排气和承压情况。D.3静水动作试验方法D.3.1充水平压后，在静水状态下分别以手动、现地自动远程控制方式开启、关闭进水液动蝶阀，检查下列情况：a）接力器的运行情况；b）进水液动蝶阀启闭动作、启闭时间和位置指示情况；c）进水液动蝶阀全关位置锁锭、全开位置锁锭的投入、解除动作和位置指示情况。D.3.2和位置指示情况。D.3.3投入、解除双密封进水液动蝶阀检修密封锁锭，检查锁锭的投入、解除动作和位置指示情况。D.3.4动作情况。D.4动水关闭试验方法D.4.1态下关闭进水液动蝶阀。D.4.2监测和记录项目如下：a）负荷；30NB/T10970—2022b）水轮发电机组实时转速；c）导叶开度；d）进水液动蝶阀流量；e）进水液动蝶阀关闭时间；f）进水液动蝶阀关闭角度；g）进水液动蝶阀关闭过程中阀前压力变化过程线；h）接力器关阀、开阀时的操作油压；i）接力器行程；j）阀体变形；k）阀体垂直、水平振动；l）阀体轴向、垂直于轴向的水平位移；m）伸缩节轴向、垂直于轴向的水平位移。31NB/T10970—2022附录E（资料性）进水液动蝶阀产品验收文件进水液动蝶阀产品验收文件见表E.1。表E.1进水液动蝶阀产品验收文件验收阶段序号文件名称备注出厂验收√开箱验收初步验收—最终验收—12主要零件材料质量合格证主要零件材料化学成分分析报告主要零件材料化学成分复检报告a主要零件材料力学性能检验报告主要零件材料力学性能复检报告a产品质量证明文件—————√√√√√√√√—————————供应厂家提供√——供应厂家提供√———√——供应厂家提供3√———456789√———产品质量合格证√———产品使用说明书√———产品供货清单或装箱单√———产品图样a√———外购件质量合格证b√——供应厂家提供1111111111201234567890外购件质量检验报告b√——供应厂家提供进口外购件通关文件a√————————————产品出厂调试记录√——产品出厂试验和检验记录/报告产品现场调试记录√———√—产品现场试验和检验记录/报告主要承压件焊接工艺评定主要零件焊接检验记录/报告主要零件焊接返修检验记录/报告主要零件热处理记录/报告主要零件机加工检验记录主要零件原材料、承压件、堆焊密封面的无损检测记录/报告现场焊接接头的无损检测记录/报告产品装配检验记录/报告产品表面涂漆检验记录/报告—√√√——√——√——√——√——√————21—√√———√————————2223注1：主要零件材料指阀体、活门、阀座、密封圈、阀轴等采用的材料。注2“√”表示验收项目“—”表示非验收项目。a需方有要求时。b进口外购件由原厂家提供质量证明文件。32NB/T10970—2022参考文献［［［［［［［［［［［［［［［［［［［1］GB/T150.1压力容器第1部分：通用要求2］GB/T150.3压力容器第3部分：设计3］GB/T碳素结构钢4］GB/T堆焊焊条5］GB/T1220不锈钢棒6］GB/T1348球墨铸铁件7］GB/T1591低合金高强度结构钢8］GB/T3077合金结构钢9］GB/T3280不锈钢冷轧钢板和钢带10］GB/T4237不锈钢热轧钢板和钢带11］GB/T8110熔化极气体保护电弧焊用非合金钢及细晶粒钢实心焊丝12］GB/T9439灰铸铁件13］GB/T11352一般工程用铸造碳钢件14］GB/T12229通用阀门碳素钢铸件技术条件15］GB/T29713不锈钢焊丝和焊带16］HG/T2810往复运动橡胶密封圈材料17］JB/T6398大型不锈、耐酸、耐热钢锻件技术条件18］NB/T47008承压设备用碳素钢和合金钢锻件19］AWSA5.9/A5.9MWeldingconsumablesWireelectrodes，stripelectrodes，wires，androdsofstainlessandheatresistingsteelsClassification20］CCH70-4Specificationforinspectionofcastingsforhydraulicmachines［33水电工程安全预评价报告编制规程SpecificationforPreparationofSafetyPre-assessmentReportforHydropowerProjects2024目次1234总则......................................................................1术语......................................................................1基本规定..................................................................3报告编制基本内容要求......................................................44444444444.1编制说明............................................................4.2建设项目概况........................................................4.3危险、有害因素及重大危险源辨识与分析................................5.4评价单元的划分和评价方法的选择......................................5.5定性和定量评价......................................................6.6安全风险管控措施建议................................................6.7应急预案编制原则及框架要求..........................................7.8安全专项投资估算....................................................7.9评价结论............................................................8.10附件和附图要求.....................................................8附录A水电工程安全预评价资料清单..........................................10附录B水电工程安全预评价报告编制目录......................................11附录C水电工程安全预评价报告编制格式......................................14本规程用词说明..............................................................14引用标准名录................................................................18附：条文说明................................................................19IContents1234GeneralProvisions......................................................................................................................1...........................................................................................................................................1BasicRequirements.....................................................................................................................3RequirementsforPreparatio