Rapid evaluation system and rapid evaluation method for electrostatic coalescence

Disclosed are a rapid evaluation system and a rapid evaluation method for electrostatic coalescence. By the rapid evaluation system and the rapid evaluation method, coalescence effect of coaxially cylindrical electrostatic coalescers can be evaluated, and electric field parameters can be optimized. The rapid evaluation system comprises a power supply device, a small electrostatic coalescer and a measuring device. The power supply device refers to a waveform generator and a high-voltage current amplifier and is capable of applying high voltage to the small electrostatic coalescer to enable water drops in a water-in-oil emulsion to coalesce. An oscilloscope connected to the high-voltage current amplifier is capable of displaying voltages and currents between two electrodes in real time and collecting and storing the voltages and the currents for energy consumption ratio analysis. Changes before and after water drop grain diameter electrification are analyzed by combing microscopic photographing with an image processing technique, and water settling rate and separation effect can be analyzed by a gravity settling method, so that the optimal electric field parameters are determined. The rapid evaluation system and the rapid evaluation method have the advantages of convenience in use and rapidness in testing, the basis can be provided for design of the electrostatic coalescers and equipment selection, equipment design is more reasonable, and high efficiency in use is achieved.