Огнеупорные бетоны

Alkali-resistant(acid-resistant)seriesrefractorycastables Product Highstrengthalkali-resistantrefractorycastables Specialalkali-andacid-resistantrefractorycastables(provincialnewproduct) Hightemperaturealkali-resistantrefractorycastables Brand JC-13NL JC-T130 JC-14N Maximumservicetemperature 1300 1350 1400 Bulkdensity(kg/m3) 110°C×24h≥ 2100 2200 2200 Chemicalcomposition(%) Al2O3≤ 48 48 ≥45 SiO2≥ 50 45 Coldcrushingstrength(MPa) 110°C×24h≥ 70 80 80 1100°C×3h≥ 70 80 80 Coldmodulusofruptuer(MPa) 110°C×24h≥ 7 8 8 1100°C×3h≥ 7 8 8 Linearchangeafterheating(%) 1100°C×3h≥ -0.1 -0.5 -0.1 -0.3 +0.4 -0.4 Thermalconductivity(W/(m.k)) 350°C≤ 0.87 0.90 0.90 TestmethodofalkaliresistanceJC/T808-1987 Firstgrade Firstgrade Secondgrade Testmethodofalkaliresistance(%)JC/T808-1987 94 Referencewateradditionforconstruction(%) 6.5 7.5 6 7 6 7 Constructionmethod Vibration Servicearea 1-3stagePreheater Itisusedinthenewtypedrykilnscapableofincineratinggarbage.Theserviceareasarethesameofthatof-13NL,aswellasflue,lowerpartofchimney,monolithicworkinglining,etc. AnupdatingproductofJC-13NL Properties 1,-13NL Alkalicrackingresistant,highstrength,energy-saving,goodmonolithicproperty.2,-T130 Alkaliandacidresistant,betterperformanceandlongercampaignlifethan-13NL3,Refractorysteelfibercanbeaddedasrequestand"steelfiberreinforced"shoudbeaddedinfrontoftheproductname,andthebrandnameshoudbeJC-13NLF,-T130Fand-14NF.4,Seetheconstructiontechniquesforrefernce.