Mixture strength of LPG products in the process of batch transportation was studied, the model of mixture strength was established and calculated by adaptivity integral, application software was used to write simulation program to obtain the data of mixed LPG concentration, and batch transportation was simulated. Then example demonstration was carried out in the LPG pipeline of a LPG Co.,Ltd. The results show that when propane is prior to butane during batch transportation, the mixed LPG concentration is less; however, when butane is prior to propane, the mixed LPG concentration is more.%针对LPC产品的顺序输送中混液量问题进行了研究,建立混液量模型后用自适应积分法进行计算,并用应用软件编制模拟程序实现混液浓度的数据输出,以及进行顺序输送模拟.并通过某石化厂到某液化气有限公司的原料气管道进行实例应用.结论:当前行丙烷时,掺混量较少,当前行丁烷时,由于丁烷的密度比较大,所以掺混量较多.
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