Zirconia Refractories in Nairobi Kenya

Kenworks Ventures Company Limited is a large distributor of high-quality Zircon Refractory Fire Bricks in Nairobi Kenya.

Zirconia refractories are useful as high-temperature construction materials for furnaces and kilns because of its very high strength at room temperature. The thermal conductivity of zirconia refractories is much lower than most of other refractories, because of that it is used as a high temperature insulating refractory. Since it is not easily wetted by molten glass and because of its low reaction with molten glass, Zirconia refractories are one of the main refractory material for glass furnaces.

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Description

Kenworks Ventures Company Limited is a large distributor of high-quality Zircon Refractory Fire Bricks in Nairobi Kenya.

Zirconia refractories are useful as high-temperature construction materials for furnaces and kilns because of its very high strength at room temperature. The thermal conductivity of zirconia refractories is much lower than most of other refractories, because of that it is used as a high temperature insulating refractory. Since it is not easily wetted by molten glass and because of its low reaction with molten glass, Zirconia refractories are one of the main refractory material for glass furnaces.

Zircon Refractory Bricks

Zircon Refractory Bricks are produced from natural zircon. Their main advantages are good slagging resistance, high load softening temperature, high performance to wear and good thermal shock stability. Zircon Refractory Bricks are mainly used for;

  • Melting pools of Glass furnaces
  • Regenerative chambers of Glass furnaces
  • Solution erosion area in chemical industry furnaces
  • Metallurgy kilns

Zircon bricks are mainly used in the glass industry.  They are installed as lining for working ends and feeder channels in melting tanks.

Consequently, zircon refractories are only installed in the lower bottom courses of the melting tank with lower temperatures if soda – lime glass is being produced.

In addition, zircon refractories have an important function as separation layer between silica and fusion cast materials in order to prevent contact reactions.

In the glass industry bricks out of zircon and corundum are installed occasionally. Such bricks have higher corrosion resistance against glass than pure zircon and are also installed in glass contact areas or in the superstructure of glass melting tanks.

The Zircon – corundum materials are also advantageous for hot repair work due to their more favorable thermal shock resistance in comparison to the fusion cast materials usually installed.

Refractory mixes on a corundum –zircon base are often installed in bottoms of glass melting tanks as a monolithic bottom layer for the upper paving course out of fusion cast bottom plates.

Zircon bricks has a very high melting point of 2700˚C. Zircon bricks is a highly refractory material with good resistance to corrosion.

 

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