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  • Pollution and treatment in the production of magnesia refractories

    Pollution and treatment in the production of magnesia refractories

    The pollution sources and pollutants produced in the production of magnesia refractories mainly include: production of dust; kiln discharge of soot, sulfur dioxide, nitrogen oxides, carbon monoxide, etc.; phenolic resin, asphalt, paraffin a...

    18-07-12
  • Refractory properties research

    Refractory properties research

    Thermal properties and electrical conductivity of refractory materials 1.1 Thermal expansion The GB/T7320 standard has two definitions: the coefficient of linear expansion (relative rate of change of sample length between room temperature a...

    18-07-11
  • General requirements for refractory materials for glass kiln

    General requirements for refractory materials for glass kiln

    The general requirements for glass furnace refractories are: 1 Glass enterprise technicians shall conduct a detailed review of the selection, configuration, design, ordering, and masonry construction and maintenance plans for refractory mat...

    18-07-09
  • 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