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叙述了振动管式密度计的工作原理。分析了在高含蜡原油在线交接计量过程中,结蜡对振动管式密度计测量精度的影响因素。根据实践经验,提出了通过控制油温、增加清蜡次数及差量补偿的办法可减小其影响。
Describes the working principle of vibrating tube densitometer. The influencing factors of the measurement accuracy of vibrating tube densitometer by wax are analyzed in the process of online transfer of waxy crude oil. According to practical experience, it is proposed to reduce the influence by controlling the oil temperature, increasing the frequency of waxing and the compensation for the difference.