钢铁工业用耐火材料之选用技术课件.ppt

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1、鋼鐵工業用耐火材料之選用技術簡報內容：選用技術內涵耐火材料簡介(歷史、定義、組成物質、理論基礎、原料演化、製造、性質分析項目)範例說明(煉焦爐矽磚、LongNozzle、CleanSteel)耐火材料產業演化趨勢結論※耐火材料“鋼鐵工業之母”發展高溫技術的基礎材料發展鋼鐵工業的重要支柱耐火材料的發展與鋼鐵工業技術進步相互依存鋼鐵冶煉技術重大工藝變革，有賴耐火材料新品種的開發：轉爐鎂白雲石磚鎂碳磚鹼性平爐鎂鉻磚平爐高荷重軟化的矽磚超高功率電爐鎂碳磚鋼鐵工業用耐火材料之選用技術材料生產工藝性

2、質評估爐襯設計施工方法機制研究選用之原則“適材”&“適所”材質的適當性&環境的適應性UniqueMaterial&ResistancetoDamageBetterChoice&BetterPrice耐火材料研發交響樂章標的物品質性能目標設定產品設計DataBase性能評估技術產品製備技術設計指標性能驗證品質指標性能指標樣品試用評估FactorsAffectPerformanceofRefractoryDesignofRefractoryInstallationOperationRequirementIndustri

3、alApplicationofRefractories◎IronandSteelIndustry◎Non-FerrousMetalIndustry◎CeramicIndustry(includingElectronicIndustry)◎IncineratorsRefractoiries(耐火材料):Non-metallicmaterialsthatarehardtomeltathightemperature.※Definition:JISR2001-1985,definesrefractoriesasshapedmater

4、ials,thataredurableathightemperature(>1500℃),andunshapedmaterials(likemortars,castables,plastics,etc.)andinsulatingfirebricks,withamaximumservicetemperatureof>800℃.(Fire-proofmaterialsforbuildingsarenotincludedinthecategoryofrefractories.)Refractoiries(耐火材料):※Prope

5、rtyRequirementHavingenoughmechanicalstrengthandheat-resistancetowithstandrapidtemperaturechange,includingrepeatedheatingandcooling(i.e.goodthermalstability),andbeingalsoresistancetocorrosionanderosionbymoltenmetal,glass,slag,hotgas,etc.Longerservicelifeandcheappri

6、ce常見耐火氧化物及其主要複合礦物示意圖SiO2ZrO2Al2O32MgO•SiO2CaOMgOCr2O33Al2O3•2SiO2ZrO2•SiO22CaO•SiO2MgO•Al2O3MgO•CaOMgO•Cr2O3(Quartz)(Mullite)(Corundum)(Spinel)(Periclase)(Forsterite)(Zircon)(Zirconia)(Dolomite)(Lime)(Chrome)常見非氧化物耐火材料組合示意圖BNCSiBNSi3N4B4CSiC(AlN)構成耐火材料之氧化物及非氧化物BBNB

7、4CNSi3N4SiSiCCSiO2Sialon3Al2O3•2SiO2ZrO2•SiO2Al2O3ZrO2MgO•Al2O3MgOMgO•Cr2O3Cr2O3CaO•Cr2O3CaORefractoiries(耐火材料):※Classification:◎Physicalclassification－accordingtothedifferentproductforms.◎Chemicalclassification－basedonthedifferentchemicalcompositions.DetailsofRefr

8、actories(I/II)◎ShapedRefractories1.AcidRefractories(Silica/FusedSilica/Fireclay/ZirconandZirconia)2.NeutralRefractories(HighAl2O3/Carbon/SiC/Chro