PROBLEM TO BE SOLVED: To provide a fluid purifying device capable of further increasing a voltage pulse repetition frequency for causing electric discharge.SOLUTION: Provided are: a flow channel 41 a high-voltage side electrode 43 and a low-voltage side electrode 44 provided with the flow channel 41 interposed therebetween a pulse power source part 31 for periodically generating a voltage pulse for causing an electric discharge between the high-voltage side electrode 43 and the low-voltage side electrode 44 and an electric charge removal voltage generation part 32 which generates an electric charge removal voltage of a voltage value with which the electric discharge is not caused between the high-voltage side electrode 43 and the low-voltage side electrode 44 applied between the high-voltage side electrode 43 and the low-voltage side electrode 44 after the electric discharge caused between the high-voltage side electrode 43 and the low-voltage side electrode 44 by the voltage pulse ends.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】放電を発生させる電圧パルスの繰り返し周波数をより増加させることができる流体浄化装置を提供する。【解決手段】流路41と、流路41を挟んで設けられた高圧側電極43および低圧側電極44と、高圧側電極43と低圧側電極44との間に放電を発生させる電圧パルスを周期的に発生するパルス電源部31と、電圧パルスによって高圧側電極43と低圧側電極44との間に発生した放電が終了した後に高圧側電極43と低圧側電極44との間に印加される高圧側電極43と低圧側電極44との間に放電を発生させない電圧値の電荷除去電圧を発生する電荷除去電圧発生部32と、を備える。【選択図】 図1
