Огнеупорные бетоны

Corundumbasedhighstrengthseriesrefractorycastables Product Corundumbasedhighstrengthrefractorycastables Corundumspinelbasedrefractorycastables Corundumbasedhighperformancerefractorycastables Refractorycastablesfortertiaryairduct,bendpipeandgatevalve Brand JC-17 JC-18 JC-A·AM92 JC-MC18T JC-TZ20 Maximumservicetemperature 1600 1700 1750 1750 1750 Bulkdensity(kg/m3) 110°C×24h≥ 2900 3000 2900 3000 2700 Chemicalcomposition(%) Al2O3≥ 90 92 90 88 70 SiO2≤ 6 4 MgO+CaO≥ 6 5 Coldmodulusofruptuer(MPa) 110°C×24h≥ 8 10 9 7 6 1100°C×3h≥ 12 12 8 7 1350°C×3h≥ 12 12 12 12 12 Coldcrushingstrength(MPa) 110°C×24h≥ 80 80 55 60 100 1100°C×3h≥ 100 100 70 110 1350°C×3h≥ 120 120 85 120 120 Linearchangeafterheating(%) 1100°C×3h≤ -0.1 -0.3 -0.1 -0.3 -0.1 -0.3 -0.1 -0.3 ±0.5 1350°C×3h≤ -0.5 -0.5 -0.1 -1.0 -0.1 -0.6 ±0.6 Referencewateradditionforconstruction(%) 5 6 5 6 5 6 5 6 6 7 Constructionmethod Vibration Servicearea Areasofhightemperatureseriousabrasionsuchasfrontandbackkilnmouths,pulverizedcoalburner,dischargehopper,etc. Bendpipe,gatevalve Properties 1,JC-MC18Tismoresuitabletoapplyinlargescalenewtypedrykilns,andhasthebestthermalshockresistanceandalkaliresistance.2,Earlystrengthningagentandexplosion-proofagentareaddedinthecorundumbasedhighstrengthseriesrefractorycastables.3,Refractorysteelfibercanbeaddedasrequest,and"steelfiberreinforced"shouldbeaddedinfrontoftheproductnameandan"F"shallbeaddedbehindthebrand.Forexample:thebrandofthesteelfiberreinforcedcorundumbasedhighsrengthrefractorycastablesshouldbeJC-17F. Asthenewproductof2008,itcansolvetheproblemofshortcampaignlifeinthisarea.