摘要
针对天然气检定过程流量精确调节及质量精密管控的实际问题,研发了一套适用于多气源工况条件的中高压天然气计量智能检定系统,打破了原检定过程工控与数据处理系统之间的通信障碍,将多系统数据与指令融合互联、实时交互,实现了检定设备的全智能控制。该系统建立了标准装置质量控制系统平台,通过风险预测实时评估标准装置偏差变化趋势及影响;拓展了流量仪表性能评价业务,通过建立多维度数学分析模型,对流量计进行全生命周期运行状况分析、评价;通过重构检定作业模式,实现数据中心操作站控系统远程全流程操作;探索采用防爆AGV运输车、防爆机械臂、定制视觉测量系统实现仪表的智能拆装。此外,从在线检定校准技术、计量技术智能化升级、计量科技产业化平台3方面对天然气计量检定智能化技术进行了展望。
To solve the actual problems of accurate control of flow and quality during the verification of natural gas,an intelligent metrological verification system applicable to the medium-high pressure gas under the condition of multiple sources was researched and developed,so that the communication barriers between industrial control and data processing system during the original verification process were broken,with the data of multiple systems fused and interconnected with the instructions and interacted in real time,realizing the full intelligent control of verification equipment.With the system,a quality control system platform for standard equipment was established,the variation trend and impact of the deviation of standard equipment were assessed in real time through risk prediction,the performance evaluation business of flow meters was expanded,the operation status of flow meters in the full life cycle was analyzed and evaluated by establishing a multi-dimensional mathematical analysis model,the whole-process remote operation of the operation station control system of the data center was realized by reconstructing the operation mode of verification,and the intelligent assembling and disassembling of instruments with explosion-proof AGV vehicles,explosion-proof mechanical arms,and a customized vision measurement system was explored.Moreover,the prospect was made to the intelligent metrological verification technology of natural gas in the 3 aspects of the online verification and calibration technology,the intelligent upgrading of metering technology,and the industrialized metrological platform.
作者
郑宏伟
刘喆
吴岩
ZHENG Hongwei;LIU Zhe;WU Yan(Nanjing Metrology Research Center of PipeChina West East Gas Pipeline Company)
出处
《油气储运》
CAS
北大核心
2021年第3期287-292,318,共7页
Oil & Gas Storage and Transportation
基金
国家管网集团西气东输科技项目“南京分站原级标准智能校准技术研究”,KJ202018。
关键词
天然气
智能检定
智能控制器
数字孪生体
计量标准质量控制
流量仪表性能评价
natural gas
intelligent verification
intelligent controller
digital twins
quality control of metrological standards
performance evaluation of flow meter
