影响天然气涡轮计量系统准确性的因素与对策

Factors of Influencing the Accuracy for Turbine Flowmeter Metering System and Countermeasures

在天然气涡轮计量系统结算中,标况下的气体流量计算是否正确直接影响计量系统的准确性,基于涡轮流量计的工作原理、系统组成,分析了影响天然气涡轮计量系统性能的因素,并根据分析结果制定相对应的对策。指出在天然气贸易交接计量中应加强对涡轮计量系统的运行维护和检测,以提高计量的准确性。

In the settling account for natural gas turbine metering system,whether the gas flow calculation is correet or not under standard condition directly affects the accuracy for the metering system.Based on the principle of turbine flowmeter,system composition,influential factors of natural gas turbine metering system is analyzed.Corresponding countermeasures is formulated based on the analysis result.Operation maintenance and testing of natural gas turbine metering system should be strengthened in natural custody transfer metering,to improve the accuracy in natural gas measurement.