危險廢物焚燒系統(tǒng)煙氣急冷塔的數(shù)值模擬研究.pdf

1、浙江大學機械與能源學院碩士學位論文危險廢物焚燒系統(tǒng)煙氣急冷塔的數(shù)值模擬研究姓名：盛鍇申請學位級別：碩士專業(yè)：熱能工程指導教師：馬增益王飛20080501浙江人學碩I：學位論文摘要AbstractIncinerationusedfordisposalofHazardousWastehasbeenwidelyspreadedabroad，becauseofitsadvantagesofremarkablevolume—reductionwe

2、ight—reduction，smallfloorareaandenergyrecoverywhichothermethodsdon’thaveEspeciallyincinerationfitthesituationofChinawhichisfacingtheinsufficiencyoflandandenergyConsequently，thetechnologyisbeingpopularizedinourcountryinre

3、centyearsBecausetheprocessofincinerationofWastewillbringalotofhazardoussubstance，installationsforcontrolsynthesisofthesesubstancesshouldbebuildedFluegfisquenchtowerwhichcanpreventdioxinsregener￡itionisoneoftheseinstallat

4、ionsFluegasquenchtowerinthepaperisdifferentfromotherquenchtowerswhichusewaterteducethetemperatureoffluegas，ituseslimeslurryinsteadofwaterThereforethisfluegasquenchtowerhavethecapbabilityofdesulfurizationanddechloriantion

5、besidescoolingfluegasThroughnumericalsimulation，withthehelpofFLUENT，buildingthemodelofevaporationoflimedroplet，desulfurizationanddechloriantionisusedtostudydistributionofvelocityfield，temperaturefield，efficiencyofdesulfu

6、rationanddechloriantion，thefactorswhichhaveinfluencesonoperationoffluegasquenchtowerFirstofall，afterstudyingtheprocessofevaporationoflimedroplet，desulfurizationanddechloriantion，themodeloftheprocessisestablishedThemodeli

7、sbasedondual—filmtheoryandshrinkingcoremodelThroughthemodel，efficiencyofdesulfurizationanddechloriantion，three—dimensionaldistributionofvelocityfield，temperaturefieldinfluegasquenchtowerareattainableThroughthemodel，thein

8、fluencesofCa／Acidratio，concentrationofS02andHClaroundinlet，temperatureoffluegasaroundoutlet，initialdiameteroflimedropletandSOonarebeingstudiedTheresultindicatesthatdifferentfactorshavedifferentinfluencesonfluegasquenchto