2023年10月第39卷第10期石油工业技术监督TechnologySupervisioninPetroleumIndustryOct.2023Vol.39No.10硅PN结数字温度计在天然气计量中的适用性评价蒋佩忧，徐永洪，羊映，谭志宏，李婷，罗涵，张勇，侯翔译中国石油西南油气田分公司川西北气矿（四川江油621709)摘要随着工业发展，传感器技术与通信技术高度融合的数字仪表已广泛使用于天然气行业，硅PN结数字温度计从20世纪发展至今，其应用效果已取得行业的广泛认可，但在天然气计量的温度测量中使用较少。为分析验证硅PN结数字温度计在天然气计量中的适用性，在实验室对硅PN结数字温度计开展多种计量性能测试，并与传统铂热电阻温度计进行比对，同时在现场工况条件下进行实际应用测试。结果表明：硅PN结数字温度计的计量性能在一定领域优于传统铂热电阻温度计，稳定性良好，但其响应速度略慢，现场稳定性良好，综合性能可适用于天然气计量的温度测量。关键词天然气；数字温度计；计量性能；温度测量D01:10.20029/j.issn.1004-1346.2023.10.012ApplicabilityEvaluationofSiliconPNJunctionDigitalThermometerinNaturalGasMeasurementJIANGPeichen,XUYonghong,YANGYing,TANZhihong,LITing,LUOHan,ZHANGYong,HOUXiangyiNorthwestSichuanGasMine,PetroChinaSouthwestOilandGasFieldBranchCompany(Jiangyou,Sichuan621709,China)AbstractWiththedevelopmentofindustry,digitalinstrumentswithhighintegrationofsensortechnologyandcommunicationtechnolo-gyhavebeenwidelyusedinthenaturalgasindustry.SiliconPNjunctiondigitalthermometerhasbeendevelopedsincethe2othcentu-ry,anditsapplicationeffecthasbeenrecognizedbythemajorityofindustries,butitisrarelyusedinthetemperaturemeasurementofnaturalgasmeasure.InordertoanalyzeandverifytheapplicabilityofsiliconPNjunctiondigitalthermometerinnaturalgasmeasure-ment,avarietyofmeasurementperformancetestsofsiliconPNjunctiondigitalthermometerwerecarriedoutinthelaboratoryandwerecomparedwiththetraditionalplatinumthermalresistancethermometer.Atthesametime,practicalapplicationtestswerecarriedoutinthefieldworkingconditions.TheresultsshowthatthesiliconPNjunctiondigitalthermometerhasbettermeasuringperformancethanthetraditionalplatinumthermalresistancethermometerinsomefields,withgoodstability,butwithslight...
