化学沉淀-吹脱法处理稀土精矿废水

第6卷第3期2006年6月安全与环境学报JournalofSafetyandEnvironmentVo1．6No．3Jun，2006(环境工程)，1986(6)：15．17．[9]LIZaishi(黎在It)．Electrostaticprecipitater(静电除尘器)[M]Beijing：MetallurgicalIndustryPress，1993．Dustcontrolcharacteristicsofanewlydevel—opedelectrostaticprecipitatorwitlllongitudinaltransversecollectingplatesCHENZu-yun一，YANGSheng—qiang，WUChangfu。，SHIChong．ming3(1SchoolofMiningandSafetyEngineering，ChinaUniversityofMiningandTechnology，Xuzhou221008，Jiangsu，China；2SchoolofEnvironmentalandArchitecturalEngineering，JiangxiUniversityofScienceandTechnology，Ganzhou341000，]iangxl，China；3SchoolofPlanFinance，GannanNormalUniversity，Ganzhou341000，Jiangxi，China)Abstract：Thepaperaimstointroduceanew—typeofelectrostaticprecipitatordevelopedbytheauthor，knownastheelectrostaticpre．cipitatorwithlongitudinaltransvemecollectingplates．Asamatteroffact．alltheelectrostaticprecipitatorssofarusedinthebusinessesandfirmshaveinadequaciesfortheirhulksizeandhighCOSt．Basedonthetheoryofelectrodynamicscollectingfields，thepresentauthorhasdoneaseriesofexperimentswiththefonrfactorsinvolvingthefunctionsoftheprecipitator，theplatecurrentdensity，gasvelocityu-nlformity，voltageandaveragegasvelocity。aUofwhichmayaffectthecapabilitiesofadesirableelectrostaticprecipitator．Withthenew．typeofelectrostaticprecipitator．theperformanceissuperiortoaJlthoseoftheconventionalwire-plateelectrostaticprecipitators．Themainfeaturesofthepresentversionofprecipitatorinclude：(1)theimprovementoftheplatecurrentdensityandthedistributionofpatti—tlonarea；(2)theimprovementofthegasvelocityuniformityintheprecipitator；(3)theimprovementdoneincomparisonwiththec0l-lectingefficiencyaccordingtothediferentvoltages；(4)heighteningthecollectingefficiencyontheaveragegasvelocity．Boththeplatecurrentdensityquantityandthedistributionintheelectrostaticpre-cipitatorwithlongitudinaltransversecollectingplatesarebiggerandrlloreuniformlydistributedrespectivelythantheconventionalone．Thereasonisthatthetypeofthebarbednailcoronaelectrodeiswellmatchedwiththehmgitudinaltransversecollectin