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山东国茂
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Tundish capping

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Tundish capping

中间包用预制块主要有挡渣墙、挡渣坝和冲击板或冲击杯。主要原料有烧结镁砂、电熔镁砂、特级高铝矾土、合成镁铝尖晶石、合成镁铬砂等,以SiO2、Al2O3超细粉为结合剂。具有强的抗冲刷和渣侵蚀能力。冲击杯可改进中间包内钢水的流场分布,从而提高铸坯质量。
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Product introduction

   Precast blocks for tundish mainly include slag retaining wall and dam and impingement plate or cup. The major raw materials are sintered magnesia, fused magnesia, super bauxite, synthetic magnesia-alumina spinel, synthetic magnesia-chrome sand, etc. with SiO2 and Al2O3 ultrafine powder as binders. It features great anti-erosion and slag erosion performance. The impingement cup can help improve the flow field distribution of molten steel in tundish to improve slab quality.

● See the following table for physical and chemical indexes. Slag retaining wall and dam, impingement plate and magnesia impingement plate for tundish

          Products        species

Slag retaining wall, slag retaining dam

Magnesium impact plate

 

    magnesium  quality

   Magnesium Aluminum

 

    MgO                     %

    ≥88

   

   ≥88

    MgO+Al2O3               %

 

   ≥85

 

Bulk Density                g/cm3 

    ≥2.8

   ≥2.7

   ≥2.8

Room temperature compressive strength             MPa

    ≥50

   ≥40

   ≥60

Ambient Flexural Strength             MPa

    ≥6

   ≥6

   ≥8

Shandong Guomao Metallurgical Materials Co., Ltd.

● Impact cup and stabilizer for tundish

                   

    Magnesium

  Magnesium Chromium

    MgO                      %

    ≥88

   ≥85

    Cr2O3                     ;%

 

   ≥4

Bulk Density                 g/cm3 

    ≥2.8

   ≥2.85

Room temperature compressive strength             MPa

    ≥60

   ≥50

Ambient Flexural Strength             MPa

  &

Keyword:
中间包加盖
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