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  • What is ventilated corundum brick in the classification of refractory bricks?

    What is ventilated corundum brick in the classification of refractory bricks?

    For refractory bricks, some conditions of use are due to the high porosity and high gas permeability of the article. At present, steel mills widely use argon-ventilated corundum bricks at the bottom of the ladle, and use gas to blow metal,...

    18-07-03
  • How to choose refractories for furnace

    How to choose refractories for furnace

    The main performance of the kiln is mainly determined by the technical and economical performance of the refractories, which directly affects the investment cost, work performance, thermal efficiency, and energy consumption of the kiln. The...

    18-07-02
  • How to Prevent and Reduce the Erosion of Refractories in Glass Kilns

    How to Prevent and Reduce the Erosion of Refractories in Glass Kilns

    Glass furnace kiln powder, glass liquid and flame gas will erode the refractory material at high temperature, so that the glass kiln refractory material is dissolved, peeled, thinning, deterioration, recrystallization and other effects, kno...

    18-06-29
  • Factors to consider when selecting insulation materials

    Factors to consider when selecting insulation materials

    In choosing the insulation material for industrial furnaces, it is necessary to have a good understanding of the properties of the material itself in order to integrate the characteristics of the furnace itself and choose the suitable insul...

    18-06-26
  • Causes of reticular cracks in high alumina refractory bricks

    Causes of reticular cracks in high alumina refractory bricks

    The appearance of mesh cracks on the surface of high-alumina bricks often presents shortcomings when producing high-alumina bricks, and the reason for the onset of mesh cracks is complicated. Clinker impurity content (especially R2O content...

    18-06-25
  • The characteristics of mullite insulation bricks

    The characteristics of mullite insulation bricks

    1. Foaming Foams for Lightweight Heat Preserved Bricks Bubbles with uniform bubble diameters can be obtained. 2. The foam is independent, and it is not easy to form connecting holes. The closed-cell rate of the foamed concrete prepared is h...

    18-06-22
  • Analysis of anti-spalling mechanism of anti-stripping high alumina bricks

    Analysis of anti-spalling mechanism of anti-stripping high alumina bricks

    The use of high alumina bauxite as the main raw material, the introduction of a small amount of ZrO2 (because ZrO2 is monoclinic and tetragonal phase transformation, can improve the products thermal shock stability), adding a certain amount...

    18-06-21
  • The nature of the mullite brick determines its role

    The nature of the mullite brick determines its role

    The firebrick made of sintered or fused mullite as the main raw material may be entirely made of mullite, partly may be mullite, and some may be made of corundum. The former is called mullite firebrick and the latter is called corundum-mull...

    18-06-13
  • High-strength and low-thermal mullite products

    High-strength and low-thermal mullite products

    The mullite corundum products have high strength, good thermal shock resistance, strong erosion resistance, and high temperature volume stability. The lightweight mullite corundum material has a porous or fibrous structure, and usually has...

    18-06-12

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