Position

Working conditions

Required physical properties of refractory material

Selected refractory material

Primary combustion chamber walls, roof and secondary combustion chamber exhaust

   1.Working temperature500-1200℃ 
   2.Erosion and abrasion by waste 
   3.Corrosive gas erosion 
   4.thermal shock from temperature changes

1.       Wear-resistant

2.       Corrosion-resistant

3.       Thermal shock resistant

Working layer: high-alumina Refractory Castable(XBGAJ—1 or 2) or homogeneous plastic refractory

Boiler water-cooled wall

1.       Working temperature800-1100℃

2.       High-temperature flue gas erosion

3.       Corrosive gas erosion

4.       thermal shock from temperature changes

1.       Corrosion-resistant

2.       Thermal shock resistant

3.       High temperature resistant

Working layer: silicon carbide castable (low-cement bonded) or homogeneous plastic refractory

Secondary combustion chamber throat, fuel burner and air outlet

1.       Working temperature700-1200℃

2.       After firing - impact and corrosive abrasion by waste

1.       Wear-resistant

2.       Corrosion-resistant

3.       Thermal shock resistant

4.       High temperature resistant

Working layer: high-temperature refractory Castable(XBGAJ—3) or homogeneous plastic refractory

Boiler furnace roof, economizer, superheater, chimney, flue

1.       Working temperature500-1000℃

2.       High-temperature flue gas erosion and corrosion

1.       High temperature resistant

2.       Wear-resistant and corrosion

Working layer: micro-expansion Refractory Castable(XBGL—70)