中国石油大学学报（自然科学版）2018，Vol.42Issue(4)：128-134,7.DOI:10.3969/j.issn.1673-5005.2018.04.015
静电聚结效果在线评价实验
Experimental investigation on electrostatic coalescence effect for online evaluation
摘要
Abstract
The online measurement electrostatic coalescence flow evaluation system was designed, which can be used to observe and collect the micro-morphology of the water in oil emulsion online.We also use this system to study the effect of electric filed and flow parameters on the droplet coalescence characteristics of the W/O emulsion.The results show that, the electric field with high strength is effective for the droplet coalescence when the flow rate is low.The effect of the electric field strength de-creases when the flow rate increases, but the droplet diameter is still enhanced even if the flow rate is high.For the low fre-quency range, the optimal frequency is 30 Hz, but the coalescence effect is enhanced with the increase of the frequency when it exceeds 50 Hz under different waveforms.The droplet diameter increases with the increase of the electric field strength, but the optimal value of the electric field strength is different under different waveforms.The optimal value of the electric field strength is 200 kV· m-1for the pulsed DC and sine waveform, while those of the pulsed AC and square waveform are higher than 200 kV· m-1.The coalescence effect is different under different waveforms.It is the pulsed DC electric field that is the best for droplet electrocoalescence, while it is a bit poorer for the sine, pulsed AC and square waveforms.关键词
油包水/电聚结器/波形/粒径/频率Key words
water in oil/electrostatic coalesce/waveform/droplet diameter/frequency分类
能源科技引用本文复制引用
杨东海,孙永祥,何利民,罗小明,鲁晓醒..静电聚结效果在线评价实验[J].中国石油大学学报（自然科学版）,2018,42(4):128-134,7.基金项目
国家自然科学基金青年项目(51704318) （51704318）
山东省自然科学基金项目(ZR2017BEE008) （ZR2017BEE008）
中央高校基本科研业务费专项(16CX02001A) （16CX02001A）
中国石油大学科研启动基金项目(Y1715005) （Y1715005）
