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  • Refractory dryness

    Refractory dryness

    The drying system is the sum of the conditions when the brick is dried. It includes drying time, temperature and relative humidity, the moisture before the brick is dry, and the residual moisture after the drying is finished. 1. Factors aff...

    17-12-04
  • Ceramic fiber classification and production methods

    Ceramic fiber classification and production methods

    Ceramic fiber is a traditional thermal insulation materials, widely used in metallurgy, machinery, electronics, ceramics, glass, chemicals, automobiles, building materials, aerospace and other fields. According to the structure and material...

    17-11-28
  • Refractory structure

    Refractory structure

    Acid refractory to silicon oxide as the main ingredient, commonly used silica brick and clay brick. Silica brick is a siliceous product containing more than 94% of silicon oxide. The raw materials used are silica and waste silica bricks. Th...

    17-11-20
  • Glass furnace damage reasons

    Glass furnace damage reasons

    Glass kilns work in harsh environments, and kiln lining material damage is mainly affected by the following factors. 1, chemical erosion Glass liquid itself rich in silica, is acidic. When the kiln liner material in contact with the glass,...

    17-11-16
  • The Expansion of Fused Cast AZS Bricks

    The Expansion of Fused Cast AZS Bricks

    The expansion is up to the composition of the raw materials and the firing temperature as well as porosity. When used in wet conditions, the repeated heating and cooling will exacerbate the expansion. The expansion of fused cast AZS is inte...

    17-11-10
  • High alumina bricks, clay brick molding brick often encountered problems

    High alumina bricks, clay brick molding brick often encountered problems

    In the high alumina brick, clay brick molding process of forming the internal structure of the brick, the most commonly encountered problems are: (1) green body fracturing (or called cracking), which is formed during the pressurization proc...

    17-11-06
  • Fused brick melting technology requirements

    Fused brick melting technology requirements

    Fused brick melting technology requirements: (1) using long arc melting process, the secondary voltage control between 320-380 volts. Melting early use of high-voltage melting, the secondary voltage of 380 volts, refining the secondary volt...

    17-10-30
  • Introduction of refractory corundum brick

    Introduction of refractory corundum brick

    Alumina content of more than 90%, with corundum brick as the main phase of the refractory products. Very high room temperature compressive strength (up to 340MPa). High load softening start temperature (greater than 1700 ℃). Good chemical...

    17-10-16
  • How to improve the quality of fused zirconia corundum brick and other fused refractories

    How to improve the quality of fused zirconia corundum brick and other fused refractories

    How to improve the quality of fused zirconia corundum brick and other fusible refractory In recent years in the masonry glass melting furnace to increase the use of fused refractory materials such as melting furnace as the main material of...

    17-10-09

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