The analysis on the mismatch between transportation equipments and operation condition, more throttling loss and power consumption in Qinhuangdao Beijing Oil Pipeline is made.

• 摘要对秦京管道因混输冀东原油后秦皇岛－迁安管段输量下降16%25，造成输油设备与运行工况不相匹配，出现节流损失大、能源浪费大的问题进行了分析。