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我国原油大多具有多蜡高凝的特性,在正常情况下,一般采用加热输送工艺,如果输量偏低,则需正反输,输送工艺复杂,燃油消耗量大,既不经济又不安全。中国石油天然气管道科学研究院根据我国原油理化特性和降凝剂与石蜡相互作用的机理,通过对原油中石蜡、微晶蜡、胶质、沥青质等含量和成分分析,根据降凝剂与石蜡共晶、吸附理论,选择各物料之间合理的投料比,严格控制聚合反应工艺条件,经过大量室内试验、中试和放大,合成出对多种原油具有明显降凝、降粘效果的GY-2型降凝剂。
Most of the crude oil in our country has the characteristics of multi-wax, high-coagulation. Under normal circumstances, the heating process is generally adopted. If the volume of the crude oil is low, the transportation process needs to be reversed. The process of transportation is complex and the fuel consumption is large, which is neither economical nor safe. According to the physical and chemical properties of crude oil in China and the mechanism of the interaction between the pour point depressant and paraffin, China Petroleum Pipeline Research Institute analyzed the content and composition of paraffin wax, microcrystalline wax, pectin and asphaltene in crude oil, Eutectic, adsorption theory, choose a reasonable feed ratio between the various materials, strict control of the polymerization process conditions, after a large number of laboratory tests, pilot and amplification, synthesis of a variety of crude oil has significant pour point depressing effect GY- 2 type pour point depressant.