On the basis of comprehension of process flow, process mechanism and principle of crudeoildistillation, we analyze various factors which affect viscosity and flash point.
在了解了工艺流程、工艺机理和原油蒸馏的原理的基础之上，分析了影响粘度和闪点的各种因素。
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A multitude of separations are accomplished by distillation, but its most important and primary function in the refinery is its use for the separation of crudeoil into component fractions.
Analyze features of corrosion of pipeline for high acidic crudeoil of atmospheric and vacuum distillation unit, probe major principle for selection of piping material.