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Applications, Installation and Uses of Refractory Cement

Every proportion of the mixture such as fireclay-silica-ganister mixture or fireclay mixed with crushed brick or fireclay-silica sand is classified as Refractory Cement. In refractory cement, a bulk refractory grain mass is initially bonded with a fired bond, which is fired with reaction element Si3N4 and/or Si2ON2 which protects the ultimate high temperature sintered cement from erosion.

Materials Consisting of Refractory Cement

  • Calcareous Materials.
  • Aluminous Materials (mainly Al2O3).
  • Asbestos.
  • Burned spinel.
  • Magnesia.
  • Reactive magnesia.
  • Organic acid.
  • Chloride of magnesium calcium chloride of barium chloride of sodium.
  • A solution of binder and clinker or rough aggregate: Clinker is an alumina-lime (bauxite-lime) bonded rock and stone combination, ground into a fine powder. It was made from aluminum materials. Coarse aggregates are like granular substances that confer special characteristics such as refractory and resistant to corrosion and oxidation.

Applications of Refractory Cement

  • Bauxite.
  • Tabular alumina.
  • White Fused Alumina.
  • Brown Fused Alumina.
  • Andalusite.
  • Chamotte.
  • Sillimanite.
  • Alag.
  • Vermiculite.
  • Bubble alumina.
  • Perlite.

It is important to use refractory concrete in different places. Description of the following:

  • Burning stoves for fireplaces or wood where the temperature is very high, refractory concrete can be used.
  • Refractory cement is a great furnace and incinerator patch product.
  • It may play a good role at the time of building and bonding firebrick in firebox chambers.
  • Isolation by electric and water. It can do a better job to provide thermal insulation from any type of heat.
  • The binding of refractory concrete by water or gas leakage functions well.

Installation technique of Refractory Cement

  1. Vibration Casting
  2. Pump Casting.
  3. Dry Gunning.
  4. Wet Gunning or Shotcrete.
  5. Self-flow Casting

Exception From normal Formula

It can be imparted refractory properties of concrete from non-refractory CaSO4. Including a primary fluxing element can do this. This exception can be used as a concrete board to form a refractory mass and as a cement well-coated liquid.

The post Applications, Installation and Uses of Refractory Cement appeared first on civilengineer-online.com.



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