Hauv kev lag luam iav, thaj chaw regenerator yog ib qho chaw hnyav tshaj plaws rau cov khoom siv refractory. Nws fim tas li raug rau alkali vapors, kub hloov pauv (1300-1600 degree), thiab corrosive flue gases.
Ib txwm siv magnesia-chrome lossis magnesia alumina cib feem ntau raug kev txom nyem los ntawm kev tawg, corrosion, thiab cov qauv deformation tom qab ntev - lub sijhawm ua haujlwm.
Txhawm rau kov yeej cov teeb meem no, cov kws tsim hluav taws xob niaj hnub tau siv ntau duaMagnesia zirconium cib- ib tug tom ntej - tiam iav rauv refractory khoom tsim los ua ke siab refractoriness nrog zoo heev tshuaj stability.
Magnesia zirconium bricks yog siab-kev ua tau zoo alkaline refractories tsim los ntawm fused magnesia (MgO) thiab zirconia (ZrO₂) ua lub ntsiab siv lead ua theem.Los ntawm kev tswj sintering los yog fusion casting, ob yam khoom no tsim ib tug ntom microstructure ntawm periclaseurov tshuaj tiv thaiv thiab corrosion kuj tseem ceeb. kev ncaj ncees.
Qhov tshwj xeeb chemistry no ua rau zirconium magnesia cib ntawm cov khoom siv ruaj khov tshaj plaws rau cov iav cub tawg regenerators, chaw nres nkoj, thiab cov hluav taws kub.
Vim li cas Magnesia Zirconium Cib Excel hauv Iav Rauv Regenerator Zones
1: Exceptional Alkali thiab Sulfate Resistance
Thaum lub iav melting, volatilized Na₂O, K₂O, thiab SO₃ los ntawm cov batch react aggressively nrog feem ntau refractories.
Txawm li cas los xij, magnesia zirconium cib tsim cov txheej txheem tiv thaiv zirconia-magnesia, tiv thaiv alkali infiltration thiab txo cov tshuaj hnav.
Qhov no ua rau lawv muaj kev tiv thaiv zoo heev -alkali cib - muaj peev xwm tswj xyuas cov qauv kev ruaj ntseg txawm tias hnyav alkali vapor condensation.
2: Zoo tshaj thermal shock thiab spalling tsis kam
Regenerator chambers muaj kev kub ceev ceev ntawm cov dej kub thiab txias.
Ua tsaug rau cov theem zirconia, magnesia zirconium cib pom muaj zog tawg -kho muaj peev xwm thiab siab tawg toughness.
Lawv tiv taus tev thiab tawg tau zoo dua li cov tsoos chrome - muaj cov refractories.
3: Ib puag ncig thiab Kev Nyab Xeeb Kev Nyab Xeeb
Cov pa magnesia-chrome bricks ntsib ib puag ncig kev txwv vim Cr⁶⁺ kuab paug thaum lub sij hawm kev pab cuam.Magnesia zirconium cib yog Cr- dawb, ua rau lawv ib puag ncig tus phooj ywg thiab ua raws li niaj hnub iav rauv tsim qauv qauv - tshwj xeeb tshaj yog rau ntab, thawv, thiab tshwj xeeb iav ntau lawm kab.
4: Kev Pabcuam Ntev Ntev thiab ruaj khov ua haujlwm kub
Ntev- cov ntaub ntawv ua haujlwm ntev los ntawm cov nroj tsuag iav qhia tau hais tias magnesia zirconium cib kav ntev li 1.5-2 npaug ntev dua li cov qauv magnesia-alumina lossis chrome-raws li refractories.
Lawv cov qauv ruaj khov minimizes regenerator phab ntsa deformation, pab tswj kom zoo ib yam ntawm cov cua sov rov qab efficiency thiab txo cov roj noj.
Lub regenerator yog lub luag hauj lwm rau preheating combustion cua thiab rov qab cua sov los ntawm pa gases, lub ntsiab lus refractory kev ntseeg ncaj qha cuam tshuam rau iav zoo thiab lub zog efficiency.
Magnesia zirconium bricks yog siv nyob rau hauv:
Regenerator checker phab ntsa thiab sab phab ntsa
Chaw nres nkoj caj dab thiab burner zones
Crown thiab Upper sidewall cheeb tsam
Lub ntsej muag kub cov ntaub ntawv raug rau alkali vapor
nyob rau hauv cov chaw no, lawv ua ke ntawm siab refractoriness, tsis tshua muaj porosity, thiab chemical durability ua kom lub neej ntev kev pab cuam thiab txo cov txij nkawm shutdowns - ib tug loj economic kom zoo dua rau loj -scale iav nroj tsuag.
Txhawm rau ua kom muaj txiaj ntsig zoo ntawm magnesia zirconium cib hauv iav qhov cub regenerators, engineers yuav tsum tsom rau:
Kev tsim nyog preheating thiab tswj kev teeb tsa kom tsis txhob muaj kev ntxhov siab thermal
Siv alkali-cov tshuaj tiv thaiv rau kev sib khi
Periodic tshuaj xyuas rau alkali deposition thiab tu cycles
Ua kom muaj qhov sib npaug ntawm lub cub tawg kom txo cov roj corrosive
Los ntawm kev sib koom ua ke cov kev coj ua zoo tshaj plaws no, cov qauv tsim hluav taws xob tuaj yeem ua tiav qhov kev ua haujlwm ruaj khov ntawm ntau qhov kev sib tw rau qhov cub.
Magnesia zirconium cib tau teeb tsa tus qauv tshiab rau cov iav qhov cub refractory tsim, kev sib txuas: Kev tiv thaiv zoo heev -alkali tsis kam, Siab thermal shock stability, thiab kev pab lub neej ntev nyob rau hauv kev ua haujlwm hnyav.
Rau cov tuam txhab iav tsom rau kev ruaj khov thiab kev ua haujlwm zoo, hloov mus rau zirconium magnesia refractory cov kev daws teeb meem muaj kev sib tw meej meej - ob qho tib si technical thiab economically.
