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1、氮馅份变化原因分析及氮塞预防Withthedevelopmentoftheliquidargonsalesandtheprocessoftotaldistillationandhydrogenfreeargonproduction,argongasextractionhasbeenpaidmoreandmoreattentioninvariousoxygenplants,andtheoutputishigherandhigher・Iplantsalesargontocreateanannualeconomicbenefitisveryconsiderabl
2、e,argonflowvaries,includingswitchingtypehydrogenoxygenargon,switchingfulldistillationhydrogenfreeargonmolecularsieve,hydrogenoxygenargon,and2#14000oxygenmakingmachinewillputintothemolecularsievecompletedistillationhydrogenfreeargon.Thenormalandstableproductionofargonisofgreatsigni
3、ficancetotheproductionandoperationofourfactory.Nitrogenretentionisamajorcauseofthedeteriorationoftheargonproductionsystem.Theformationofnitrogenplugisbecauseargonfractionofnitrogencontentinhightemperaturecrudeargoncondenserisreduced,orevenzero,soreducingtheamountofcondensationofcr
4、udeargonorcondensation,thecrudeargoncolumnstoppedworking,causingargonfractionextractecltoreducetheamountofincreaseingasf1owrate,flowratedecreasedbytraysorpackinginliquidleakage,crudeliquidargon(ahydrogenfreeargonincludingcrudeargontowerIIliquid)backtothemaintower,themainoperatingc
5、onditionsofdistillationtowerfailure,themaincoldliquidlevelroserapidly,thepurityofoxygendecreasedsharply,directandindirectlossescausedbythegreat.Thedistributionofargontowerisnotfixed,conditionschangeslightly,changesintheconcentrationofoxygenandnitrogen,argoninthetowerdistributionco
6、rrespondingtochangesinthelocationofwithdrawingargonfractionisfixed,sothedrawingnearthemouthofthecomponentswillbechanged・Thecauseofthechangeofargonfractionisdifferent・Thedifferentprocessanddevicehavedifferentcharacteristics・ThemostcharacteristicprocessThechangeoftheoxygenyieldhasgr
7、eatinfluenceontheargonfraction,oxygenpuritychange0.1%,argonfractionofoxygenwouldchange0.8%-1%,argonfractioncontainingargonandnitrogencontentdecreasedwiththeincreaseofoxygenpurity・Thechangeofnitrogenyieldhasacertaininfluenceontheargonfraction,theextentofwhichisrelativelysmall,andth
8、eyieldofnitrogenisreduced・Thenitr
