Question:
Roller hearth kiln is used for firing of
Roller hearth kiln is used for firing of
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Roller hearth kilns are commonly used for fast and continuous firing of ceramic tiles.
Updated On: May 7, 2026
- Ceramic tiles
- Clinkers
- Refractory bricks
- Sanitary ware
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The Correct Option is A
Solution and Explanation
A roller hearth kiln is a continuous kiln.
In this kiln, ceramic products move through the kiln on rotating rollers.
The rollers carry the ware through different temperature zones.
These zones include preheating, firing, and cooling zones.
Roller hearth kilns are especially suitable for flat ceramic products.
Ceramic tiles are flat and thin products.
They can be transported easily on rollers.
Because of uniform movement and controlled firing, roller hearth kilns are widely used for ceramic tile production.
Clinkers are generally produced in cement rotary kilns.
Refractory bricks are usually fired in tunnel kilns or other heavy-duty kilns.
Sanitary ware is commonly fired in tunnel kilns or shuttle kilns.
Therefore, roller hearth kiln is mainly used for firing:
\[
\text{Ceramic tiles}.
\]
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