管输天然气能量计量发热量间接测定核查方法探讨

doi:10.3969/j.issn.1000-1158.2020.Z1.10

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Abstract The methods of on-line chromatograph analysis, off-line analysis and assigned component analysis for indirect calorimetry were studied and applied to the quality check of composition analysis results. Ultrasonic flowmeter sound velocity test is carried out in accordance with the prescribed method of GB/T 30500. When the deviation between measured sound velocity and calculated sound velocity is within ±0.15%, the analysis data of natural gas composition meets the requirements. Select configuration online chromatographic analyzer station, according to the results of chromatograph dynamic trend analysis, when the A level measurement system more than online calorific value fluctuation control limit (maximum permissible error of plus or minus 0.5%), determine the chromatograph analysis results appear problem, this method can effectively monitor the calorific value data, to ensure pipeline gas in the process of energy metering data accurate and reliable.

Key words： metrology pipeline gas transmission energy metering calorific value sound velocity inspection and verification dynamic data verification

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TB941

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	Articles by authors
	LIU Zhe
	WU Yan
	JIANG Xing-peng
	ZHOU Yang
	SONG Chao-fan
	ZHOU Zhen-dong

Cite this article:

LIU Zhe,WU Yan,JIANG Xing-peng, et al. Study on Verification Method of Metering Calorific Value of Pipeline Natural Gas[J]. Acta Metrologica Sinica, 2020, 41(12A): 47-51.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2020.Z1.10 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2020/V41/I12A/47

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