低输量管道输油工艺若干问题的讨论

基于管道的低输量特性，就管道特性的计算，清蜡周期及清蜡方式的选择，改性输送热力工况及降凝剂经济注入量的确定等问题进行了讨论，并推荐了考虑析蜡潜热的热力计算简易算法及选取Ｄ０，Ｋ值的经验公式。

Some Problems on the Transportation Process under the Low Throughput

Some problems about the transportation process of long distance oil pipeline under the low throughput have been discussed in the paper. These problems discussed include the hydraulic calculation of pipeline, paraffin removing period and the method of paraffin removal, thermal conditions of transportation under the condition of modification as well as the determination of economical volume of pour point depressant injected. The paper recommended simple equations which considered wax precipitation and latent heat,and the value of equivalent diameter and the total heat transfer coefficient.