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    Blast furnace pressure feed material and injection feeding material

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    The blast furnace Lear Group production pressure and gunning material, has the advantages of high strength, corrosion resistance, strong bonding ability and easy in construction, repair after blast furnace can be used for about a year, is an important technical measure to improve the life of blast furnace.

    1. Detailed information

    The blast furnace Lear Group production pressure and gunning material, has the advantages of high strength, corrosion resistance, strong bonding ability and easy in construction, repair after blast furnace can be used for about a year, is an important technical measure to improve the life of blast furnace.

     
     
    Main physical and chemical indexes of blast furnace pressure feed and feed material


    名称
    Name
    SiC碳质压入料
    Alumina-silicon carbide-carbon injection mix
    喷补料
    Gunning mix
    高铝质喷射料
    High alumina gunning mix
    高铝质
    High alumina
    刚玉质
    Corundum
    牌号
    Brand
    LR-YR-1
    LR-YR-2
    LR-YR-3
    LR-PB-1
    LR-PB-2
    LR-PC-1
    化学成分/ %
    Chemical composition
    Al2O3,
    35
    50
    70
    55
    70
    60
    SiC+C,
    50
    30
    16
    12
    14

    体积密度/ gcm-3,
    Bulk density
    1.70
    1.95
    2.10
    2.30
    2.65
    2.45
    耐压强度/ MPa,
    Crushing strength
    110
    20
    25
    25
    18
    20
    15
    1100
    11
    12
    14
    24
    25
    20
    烧后线变化/ %
    Firing linear change
    1100
    ±0.6
    ±0.5
    ±0.4
    ±0.8
    ±0.4
    ±0.5
    应用
    Application
    炉缸、炉腹、炉腰和炉身下部等
    Hearth, bosh, belly and lower stack
    炉腰和炉身等部位
    Belly and stack


     
    Packing: woven bag
    Specification: 50kg/ bag, 25kg/ bag
    Note: the product shelf-life of three months, waterproof, no caking
     


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