Research on Skin Heat-tracing Transportation Technology for Fuel Oil Pipelines
Considering physical and rheological properties of the fuel oil,making use of SPS software simulate and analyze whole skin heat-tracing transmission pipeline was implemented for the first time.The results show that,the outbound pressure of the 1st station keeps basically unchanged when the transmission operates with constant skin heat-tracing temperature.The geothermal temperature has an effect on the skin heat-tracing power,and the required skin heat-tracing calorific valve in winter and summer is 90 W/m and 77 W/m,respectively.When the skin heat-tracing system fails for 5.25 h,the pipeline system's outbound pressure alarm can be triggered;when the skin heat-tracing system fails for 6.20 h,its pressure interlocking protection will be triggered.When the skin heat-tracing system fails,the light crude oil with lower freezing point should be used in the first station and the heavy fuel oil in the pipeline should be replaced and stopped for cooling down.
fuel oil pipelineskin heat-tracingsimulation and analysispressure interlocking protection