Sulzer Ahlstrom Ahlmix Chemical Mixers
A890DuplexStainlessSteel
ThisMixerwasfiratintroducedin1996astheAhlmixFS,GasMixingConcept.
TheAhlmixChemicalMixerisusedsidebysidewiththeMCPump
AhlmixChemicalmixerisamediumconsistencychemicalmixerdesignedformixingbothgaseousandliquidbleachingchemicalsintopaperstock.Therotorofthemixerfluidizesthestocktogetherwiththecasingturbulencegenerators,thusdisruptingthefibernetworkandresultinginoptimummixing,withnogasseparation.throughthelowersectionofthestoragetowerandpumpedfurthertothedesiredlocationatlowconsistency.Whitewaterfromthepapermachinecanbesegregatedandtwopapermachinescanbe fromonecommonstoragetower.
Theuniquethree-dimensionalturbulencezonepreventstheseparationofgas.Anhomogeneityof5to10%isnormallyconsideredacceptable;newSXchemicalmixerreachesaninhomogeneityvalueofas lowas3to6%.
Thefluidizedstaofthestockcanbeeffectivelyutilizedtomixvariouschemicalswiththestock.ThisisdoneseparatelywiththeAhlmixchemicalMixer.ThedegassingcapacityoftheMCpumpimprovestheefeectivenessofmixingofmostchemicals.Theefficientmixingwithinthepumpnormallyshortensthenecessaryreactiontimeconsiderably.
ChlorideDioxide:ForthethemixingofC102aseparateAhlmixchemicalmixerisrecommmended.
Oxygen:Whenmixingoxygen,thebestresultscanbeobtainedbyanAhlmixChemicalMixer.Oxygenisintroducedintothestockthroughtheoxygenfeeder.
