ESP準(zhǔn)電暈區(qū)間工作電壓與收塵性能關(guān)系的研究.pdf

1、東北大學(xué)碩士學(xué)位論文ESP準(zhǔn)電暈區(qū)間工作電壓與收塵性能關(guān)系的研究姓名：王立民申請學(xué)位級別：碩士專業(yè)：安全技術(shù)及工程指導(dǎo)教師：王福成2000.1.1●AbstractElectrostaticprecipitation(ESP)isveryimportanttechnologyofaircleaninginmodernindustryFollowingthepresentingofworldcriterionofenvironmentqu

2、ality，ithasbeenthekeyofthedevelopmentoftechniqueandtheowningdust—cleaningmarketforESPthathowtofactthechallengerundertheausteresituationHowever，manytheoryofESPisnotcaughtthoroughly，thentheyleadupthegreatdifferencebetweent

3、hetheoryandthepracticeoftheimportantparameterofESPandthereasonisnotcompletelyclearBetweenthezoneofquasicoronaofESPtherelationoftheefficiencyandappliedvoltageisoneofthemInlightoftraditionaltheoryofESP，theincreasingofvolta

4、gecanleaduptheimprovingofefficiencybeforebackcorona，andthevoltageshouldoptimizeinbasisofback—coronaThismakessomeconceptandtheorynotmoreclear，andaffectstheapplyingofESPThethesiswillassaytheessentialrelationbetweenappliedv

5、oltageandtheefficiencyThepaperassaysinessencetherelationbetweenappliedvoltageandtheefnciencybymeanoftheoreticalanalj，sisnumerical：a!cula!ic丑andexperimentstudy：buildthemodelofNonsteadyESPtheefficiencyequationischangedinto

6、themodelofmathematicsfunction，offertheconventforESPman，thismakesthebreakdownoftheESPtheorythatisnotclearonce；makenumericalcalculationinlightofthemathematicsmodelofElectrohydodynamicFlowfield，deducetheturbulentmechanismin

7、Electrostatic—fluidfield，anddescribetheeffectofelectricwindinlightofturbulentmixingcoefficientquantitatively；deducethetotaiaccumulatedchargeondustlayer，thendeducedtheamelioratedequationofdrivespeedAtlast，drawtheconclusio

8、noftheexistingoftheoptimizedpointofthecurrentdensity；onbasisofexperimentmodel，makethestudyofelectrical、resistiveandefficiencycharacteristicsofwireplateESP，makeresearchontherelationofappliedvoltageandtheefficiencyinrangeo