JJF(冀) 3017-2021 付油控制装置现场校准规范

付油控制装置现场校准规范LocalCalibrationSpecificationforOil-dispensingEquipment2021―04―16发布2021―05―16实施河北省市场监督管理局发布中华人民共和国地方计量技术规范JJF(冀)30172021JJF(冀)3017-2021付油控制装置现场校准规范LocalCalibrationSpecificationforOil-dispensingEquipment归口单位：河北省市场监督管理局起草单位：河北省计量监督检测研究院天津市计量监督检测科学研究院北京市计量检测科学研究院JJF(冀)30172021本规范委托河北省计量监督检测研究院负责解释JJF(冀)3017－2021本规范主要起草人：王波(河北省计量监督检测研究院)安海骄(天津市计量监督检测科学研究院)李晶晶(北京市计量检测科学研究院)参加起草人：董忠春(河北省计量监督检测研究院)齐晓强(河北省计量监督检测研究院)陈彦霖(河北省计量监督检测研究院)JJF(冀)3017－2021I目录引言································································································（Ⅱ）1范围·····························································································（1）2引用文件·······················································································（1）3术语和计量单位··············································································（1）3.1术语··························································································（1）3.2计量单位····················································································（2）4概述·····························································································（2）4.1工作原理····················································································（2）4.2分类和组成·················································································（3）4.3用途··························································································（3）5计量特性·······················································································（3）5.1付油结算值误差···········································································（3）5.2扩展不确定度··············································································（3）6校准条件·······················································································（3）6.1环境条件····················································································（3）6.2主标准器及配套设备·····································································（4）7校准项目和校准方法········································································（4）7.1校准项目····················································································（4）7.2校准方法····················································································（4）8校准结果的表达··············································································（8）9复校时间间隔·················································································（8）附录A校准记录参考格式····································································（9）附录B校准证书（内页）参考格式························································（10）附录C评定合成标准不确定度的参考方法···············································（11）附录D不确定度评定实例····································································（15）JJF(冀)3017－2021II引言本规范根据我国付油控制装置的使用和溯源现状，参考JJG1038－2008《科里奥利质量流量计》、JJG667－2010《液体容积式流量计》进行制定。本规范所用术语，除在本规范中专门定义的外，均采用JJF1001－2011《通用计量术语及定义》和JJF1004－2004《流量计量名词术语及定义》定义的术语。根据JJF1071－2010《国家计量校准规范编写规则》第3.1、3.2条，本规范将付油结算值误差及其扩展不确定度和付油结算值修正系数及其扩展不确定度列为计量性能并作为计量校准的主要工作。本规范是首次制定。JJF(冀)3017－20211付油控制装置现场校准规范1范围本校准规范适用于付油控制装置的现场校准。2引用文件本规范引用了下列文件：JJF1001－2011通用计量术语及定义JJF1004－2004流量计量名词术语及定义JJF1708标准表法科里奥利质量流量计在线校准规范JJG164液体流量标准装置JJG667液体容积式流量计JJG1038科里奥利质量流量计GB/T1885石油计量表凡是注日期的引用文件，仅注日期的版本适用于本规范；凡是不注日期的引用文件，其最新版本（包括所有的修改单）适用于本规范。3术语和计量单位3.1术语引用文件中界定的及以下术语和定义适用于本规范。3.1.1付油控制装置oil-dispensingequipment对石油产品装车过程进行控制、计量、管理的装置，其中计量单元采用的流量计一JJF(冀)3017－20212般为容积式流量计或质量流量计。以下简称为付油装置。3.1.2付油设定值setflowofdispensingoil通过主控单元输入的石油产品装车量设定值。3.1.3付油显示值displayedflowofdispensingoil通过计量单元获得并显示的石油产品装车量值。3.1.4付油结算值settlementflowofdispensingoil作为付油结算依据的量值，一般为付油显示值或付油设定值。3.1.5零点调整zeroadjustment建立计量单元中流量计的零流量参考点的过程。3.1.6修正系数correctionfactor通过对付油装置校准得到，计量标准器的标准值与付油结算值的比值。3.2计量单位3.2.1体积单位：立方米，符号m3；或升，符号L。3.2.2质量单位：千克，符号kg；或吨，符号t。3.2.3时间单位：小时，符号h；或分钟，符号min。3.2.4瞬时流量单位：立方米每小时，符号m3/h；或升每分钟，符号L/min。3.2.5密度单位：千克每立方米，符号kg/m3。3.2.6压力单位：帕[斯卡]，符号Pa；或千帕，符号kPa。3.2.7温度单位：摄氏度，符号℃。4概述4.1工作原理JJF(冀)3017－20213图1付油控制装置示意图付油控制装置是将石油产品经装车设施装车并完成计量的装置，通过对装置中流量、温度、压力等仪表数据的采集，并控制泵、阀门等机构，实现定量、准确输送油品的功能，如图1所示。4.2分类和组成付油控制装置主要由计量单元、安全防护单元、动力单元、主控单元和执行机构等部分组成。计量单元中流量计种类可为质量式和容积式。4.3用途付油控制装置常用于成品油油库，在对外销售石油产品（如汽油、柴油等）的过程中，负责油品的计量和输送。5计量特性5.1付油结算值误差付油控制装置准确度等级为0.2级，对应付油结算值的最大允许误差为±0.2%。5.2扩展不确定度付油结算值误差和付油结算值修正系数的扩展不确定度不超过0.2%（k=2）。6校准条件6.1环境条件6.1.1校准环境条件一般应满足：JJF(冀)3017－20214环境温度：（﹣20～40）℃；相对湿度：≤95%；大气压力：(86～106)kPa。6.1.2在一次校准过程中，环境温度的变化应不超过5℃。6.1.3场地及校准过程应满足安全操作要求。开展工作时，所有设备、环境条件必须符合GB3836的相关安全防爆要求。6.2主标准器及配套设备6.2.1主标准器及配套设备均应有有效的检定/校准证书。6.2.2主标准器及配套设备应满足如下要求。表1标准器及主要配套设备一览表名称测量范围技术要求衡器(100～3000)kg检定分度数n≥6000标准金属量器200L、2000L等MPE：±0.025%温度计(-30～50)℃MPE：±0.2℃标准石油密度计(600～1100)kg/m3准确度等级：二等秒表（计时器）/MPE：±0.5s/d7校准项目和校准方法7.1校准项目付油结算值误差和付油结算值修正系数的校准。7.2校准方法7.2.1一般检查7.2.1.1付油控制装置应有铭牌并附有使用说明书。7.2.1.2流量计应满足相应检定规程中外观、标识和铭牌的要求。7.2.2封印与保护功能检查7.2.2.1付油控制装置计量单元的可调整部位应具有可加封印的机构。7.2.2.2对于软件程序及流量计中影响计量性能的特征参数，应具备加密保护功能。JJF(冀)3017－202157.2.3密封性检查校准过程中付油控制装置各部件及连接处不应有泄漏现象。7.2.4校准操作7.2.4.1校准前使付油控制装置通电预热至少30min；在常用流量下运行一段时间，保证管道内无气体。检查装置的参数设置，对流量计进行零点调整。7.2.4.2将主标准器调整水平，并将其有效接地。如有需要，进行通电预热等操作，最终置于准备状态。7.2.4.3将鹤管与标准器连接，按