5.0Mt/a常减压装置加工轻质原油的脱瓶颈改造 关键词 常减压装置 轻质原油 初馏塔 改造 [gap=1063]Keywords] atmospheric-vacuum distillation unit；light crude oil；primary tower；upgrade
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...初馏塔;加热炉;空冷器;吹灰器 [gap=6995]Keywords:atmosphericandvacuumdistillation;crudeoil;crudeweightlightening;prefractionator;heatingfurnace;air-cooler;sootblower ..
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First of all, crude oil was cutting into several pseudo components which act as input of primary tower according to its true boiling points data.
首先利用原油实沸点蒸馏数据将原油切割为一定数目的虚拟组分,并以此作为常减压装置初馏塔的输入。
参考来源 - 3.5Mt/a常减压装置的流程模拟及操作优化研究·2,447,543篇论文数据，部分数据来源于NoteExpress
经过原油换热器，热的原油被送至初馏塔第四层塔盘。
From the crude heater, the hot crude oil is delivered to the crude tower above the fourth tray.
对初馏塔的模拟除初顶油质量存在很小的误差外，流量和温度等关键指标与实际是一致的；
Simulation results of primary tower were in accord with plant data except slight deviation of gasoline quality.
同时指出，针对增设初馏塔以后的情况，应调整装置换热网络及调整分馏塔中、下段的开孔率。
Meanwhile, the author points out that, with the prefractionator, the heat exchanger network of the unit should be rearranged and some holes of the middle and lower trays of the prefract…
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