石油炼制与化工
• 加工工艺 • 上一篇 下一篇
任满年
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摘要： 分析原油脉冲电脱盐技术的脱盐/脱水机理。以10 L/h的两级动态原油脉冲电脱盐装置，采用正交试验法对影响原油脉冲电脱盐效果的7个因素进行研究。结果表明：在原油处理量提高60％的情况下，采用优选的工艺条件，二级电脱盐后原油的盐质量含量小于3.0 mg/L，水质量含量小于0.3%，切水含油量小于100 mg/L，达到了深度脱盐的技术要求；与普通交流电脱盐相比，脉冲电脱盐节电率可达58.9%。
关键词: 原油, 电脱盐, 电脱水, 脉冲, 机理
Abstract: The mechanism of pulse electric desalting/dehydration for crude oil was discussed. Seven factors related to the operation efficiency of pulse electric desalting technique were studied by orthogonal test design method，using a 10 L/h continuous two-stage desalting unit. The results showed that when the crude processing capacity increased by 60%, the contents of salt and water in the secondary desalted crude oil were less than 3.0 mg/L and 0.3%, respectively, furthermore, the oil content in waste water was less than 100 mg/L, which well met the requirements of deep desalting. The electricity-saving rate of pulse electric desalting technique could reach 58.9% as compared with conventional AC electric desalting technique under optimum operating conditions.
Key words: crude oil, electric desalting, electric dehydration, pulse, mechanism
任满年. 原油脉冲电脱盐技术研究[J]. 石油炼制与化工, doi: .
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