Refractory Flashcards
What can be in old refractory materials
Asbestos
What is the new refractory materials
Silica and ceramic fibres
What is normal refractory temperatures
1580-1780
What is high refractory temperatures
1780-2000
What are super refractory temperatures
above 2000
Acid refractory materials
Clay
Silica
Quartz
Sandstone
Neutral refractory materials
Chromite
graphite
plumbago
alumina
Alkaline refractory materials
Lime, Magnesia, Zirronia
Shaped refractory qualities
Pre-casted
Standard shapes
Special shapes
Bricks
Throat tile
Liner tile
Unshaped refractory qualities
Castable
Moldable
Plastic chrome core
Clay like block
Blanket refractory qualities
Cut it with a knife
Held in place by stainless steel pins welded to steel
Stainless steel screen over blanket
Spray Rigidizer over blanklet adding crust
Insulated firebrick refractory qualities
Standard shape
Special shapes
Life span of a refractory
14-18 years (8 If not maintained)
How to do the joints in brick refreactory
Staggered