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Special Shaped Fireclay Brick

Special shaped fireclay bricks have low volume density, high compressive strength, low thermal conductivity, especially anti-mechanical shock, vibration, anti-airflow material erosion, excellent anti-corrosion function, which can greatly improve the life of the kiln. It has the functions of heavy and light two-layer refractory products, and is an ideal energy-saving material. It can be widely used in special parts of professional thermal equipment in metallurgy, building materials, petroleum, chemical industry and so on. Features Special shaped fireclay brickss feature: 1. Refractoriness Genera

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Shape Refractory

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Special Shaped Fireclay Brick Details

Features

Special shaped fireclay bricks's feature:

1. Refractoriness
Generally, the refractoriness of clay bricks is 1580~1730°C.
2. Load softening temperature
Because clay bricks appear liquid phase at a lower temperature and start to be soft, and will be deformed if subjected to external force, so the load softening temperature of clay bricks is much lower than the refractoriness, only about 1350 ° C.
3. Slag resistance
Clay brick is a weakly acidic refractory material, which can resist the corrosion of acid slag, but its resistance to the corrosion effect of alkaline slag is slightly worse.

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4. Thermal stability
The thermal expansion coefficient of clay brick is small, so its thermal stability is good. The number of water cooling at 850°C is generally l0~15 times.
5. Volume stability
Clay bricks show recrystallization phenomenon at high temperature, which reduces the volume of bricks and produces liquid phase together. Due to the effect of the surface tension of the liquid phase, the solid particles are close to each other, the porosity is low, and the volume of the brick is reduced, so the clay brick has the property of residual shrinkage at high temperature.

Applications

The primary use of special shaped fireclay bricks:
Clay bricks are mainly used in clay brick construction, blast furnaces, hot blast stoves, iron furnaces, open hearth furnaces and electric furnaces. Clay bricks are used in steel drums, bricks for casting systems, heating furnaces, heat treatment furnaces, combustion chambers, flues, chimneys, etc. Clay bricks are especially suitable for places with large temperature changes.

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