Module 2: Combustion and heat utilization
  Lecture 15: Application of Refractory Materials  
 

What are the available Refractory materials

The available refractory materials are classified

   a.  Oxidic type
   b.  special type

   
Oxidic refractory
 
 
Acid
Basic
Neutral
 
(SiO2 is the main constituent)
Magnesite
Chromite
Example

fireclay
Quartz
Silica

MgO – C
Alumina
Dolomite
    Alumina – C

Carbon

Mullite
Uses
Under acidic conditions
Under basic conditions
Can be either in acidic or in basic conditions

Special type

Silicon carbide, cermets and SIALON are some examples of special refractory. They are used for special applications