鋁酸鈉溶液苛性堿、氧化鋁在線自動(dòng)檢測(cè)系統(tǒng)的設(shè)計(jì).pdf

1、東北大學(xué)碩士學(xué)位論文鋁酸鈉溶液苛性堿、氧化鋁在線自動(dòng)檢測(cè)系統(tǒng)的設(shè)計(jì)姓名：趙治國申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：有色金屬冶金指導(dǎo)教師：畢詩文2003.1.1東北大學(xué)碩士學(xué)位論文ABSTRACTDesignoftheOnlineRealtimeSystemforMeasuringtheCompositionofSodiumAluminateSolutionABSTRACTSodiumaluminatesolutionexistalmostallth

2、eprocessofaluminaproductionThemeasuementofthecompositionofsodiumaluminatesolutionplaysasignificantroleinproducingA1203ThemainchemicalcompositionofsodiumaluminatesolutionareNa20K，A1203andNa20cAndatpresenttheanalysisofthec

3、ompositionofsodiumaluminatesolutionmainlydependesonmanualtimedsamplingandtitrationinchemicallaboratoryThemanualtitrationisgreatlyprecise，butthesamplingintervalistoolongSotheresultoftitrationdoesn’tcontributetoguidingprod

4、uctionontimeandalsoworkersaretiredbythetitrimetricanalysisThereforetheontimereal—timemeasurementofsodiumaluminatesolutionisnecessaryThedissertationhasestablishedamathematicalmedolbetweentheconductivityofsodiumaluminateso

5、lutionanditschemicalcomposition(Na20K)andOK，Tbythree—factorquadraticregressiveperpendicularexperimentationTheresultindicatethatwhenthetemperaureandOKisunchangeable，theconductivityofsodiumaluminatesolutionwillminishifNKin

6、creasesTherelationbetweenthesodiumaluminatesolution’sconductivityandCtKofthesolutionisaparabolawhenNKandTofsodiumaluminatesolutionisconfirmedTherelationbetweentheconductivityandtemperatureofsodiumaluminatesolutionisappro

7、ximatelylinearAndtheconductivitywillbecomebiggerwhenthetemperatureincreasesTheon1inerealtimesystemformeasuringthecompositionofsodiumaluminatesolutionresearchedinthedissertationisbasedondoubletemperatureanddouble—conducti

8、vitymethodThesystemhasfourmainfunctionsasfollowing：(1)Solvingtheproblemofautomaticcontinuoussampling(2)Selfwashingandavoidingscar(3)Displayingdataandtrendcurve，recordingdataandprintingreporttables(4)Detectingthetemperatu