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-  2016 

真空下燃油强化汽化过程的实验研究
Experimental study on the enhanced vaporization process of fuel under vacuum condition

DOI: 10.7523/j.issn.2095-6134.2016.04.008

Keywords: 常减压蒸馏,真空汽化,强化汽化
crude and vacuum distillation unit
,vacuum vaporization,enhanced evaporation

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Abstract:

摘要 对燃油在真空条件下的强化汽化过程开展实验研究。在可视化的真空容器内,测试燃料经喷嘴喷出后液滴破碎与汽化特性参数,得到不同喷油压力下的液滴粒径分布、汽液相发展形态变化、燃料汽化速度变化等规律。结果表明,真空下经喷嘴喷出后燃油的破碎和汽化是一个相互强化的过程,喷射压力越高,强化汽化的效果越显著。在喷射压力为5 MPa时,液滴粒径分布集中于5 μm范围内,在2 ms以内燃油汽化率达到平衡汽化率的85%,燃油快速接近汽液平衡。将强化汽化技术应用到常减压蒸馏工艺,可有效提高轻质油收率。

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