鋁電解中聲波對(duì)陽極氣泡行為和槽電壓影響的研究

1、東北大學(xué)碩士學(xué)位論文鋁電解中聲波對(duì)陽極氣泡行為和槽電壓影響的研究姓名：盧曉東申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：有色金屬冶金指導(dǎo)教師：王兆文20070201東北大學(xué)碩士學(xué)位論文ResearchontheEffectsofSoundtotheBehaviorofBubblesEvolvedfromAnodeduringandCellVoltageOscillationAluminumElectrolysisABSTRACTInthepastover1

2、00years，manydevelopmentshavebeenachievedincelldesignandaluminumelectrolytechemistryofaluminumelectrolysisoperationNowtheelectricenergyconsumptionpettonaluminumhasbeenreducedtobetween13000kW’hand14000kW’lLhowevertheenergy

3、efficiencyofaluminumelectrolysisisabout40％TheelectricenergyconsumptionpertonaluminumisdeterminedbycellaveragevoltageandcurremefficiencyNowadaysthecurrentefficiencyhasalreadybeenraisedto95％Sothedirectionfordecreasingelect

4、ricenergyconsumptionshouldbefocusedonloweringcellvoltageTheOhmdropcausedbyelectrolyteresistanceisthemostimportantreasonforwasteofenergyThatiswhythebehaviorofbubblesevolvedfromanodeduringaluminumelectrolysisWasstudiedinth

5、epaperInthethesis，wedesignedasystemcalledAluminumElectrolysisSoundLoadedSystem(AESLS)，whichCanbreakupthebubblesproducingfromundersideanodeanddecreasecellvoltageItWasusedtostudytheeffectstothebubblesbehaviorandcellvoltage

6、oscillationduringelectrolysisManyfactors，suchasanodecurrentdensityanodecathodedistance，bubblebehavioronthehighpuregraphiteanodeandvoltageoscillationwerestudiedinwatersolutionandcryolitemeltinthedoubleloomquartzcellTheexp

7、erimentresultsindicatedthatthesystemworkedeffectivelyandATSLSCanalsobeusedtoevaluateanodecapabilityandthedissipationofsoundenergyD咖aluminumelectrolysisraisingcurrentdensityleadedtoincreaseofbubblesreleasingfrequencyenhan