每米取样自动测量油品平均标准密度方法的探讨

Measurement of Average Standard Oil Density Using Automatic Sampling Method

为尝试解决目前油库立式罐内成品油平均标准密度难以准确计量这一难题,探讨使用每米取样器配合高精度定点密度计的新方法进行准确计量平均标准密度的可靠性。采用现场比对法和相关实验数据统计分析的方法,来验证定点密度计这一关键测量设备的准确性以及每米高度加权平均法测量罐内油品平均标准密度法的可靠性。结果表明,该方法能提高对罐内油品平均标准密度的准确性,是一次改进平均密度准确测量方法的实践。

In order to try to solve the difficult problem of accurate measurement of average standard oil density in vertical oil tank,the reliability of a novel method,applying per-meter sampler combined with high precision fixed-point densimeter,for the accurate measurement of average standard oil density in vertical oil tank is investigated.By the field comparison,statistics and analysis of related experimental data,the accuracy of the key measuring equipment,i.e.the point densimeter,and the reliability of measuring average standard oil density using per-meter weighted average method is validated.The results show that this method can realize the accurate measurement of the average standard oil density in the tank,and it is an innovative practice for the accurate measurement of the average oil density in a vertical tank.