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Cordierite, Mullite and Silicon Carbide
Importance of Cordierite, Mullite and Silicon Carbide in Refractories
fire bricks for kiln
How to choose fire bricks for kiln
LZ-65 high alumina brick
Reasons for preferring LZ-65 high alumina brick
refractory brick dimensions
What are the fire brick dimensions?

How are 70 high alumina bricks used in glass kilns, hot blast furnaces and blast furnaces?

Application of 70 high alumina bricks in glass kilns:

Application area Function Specific role
Pool walls and bottom Withstands corrosion and chemical reactions from high temperature molten glass Protect the pool wall and bottom from erosion by glass liquid and extend the life of the furnace
Flame Space Resistant to erosion and thermal stress from high temperature flames Protect the furnace roof and walls from high temperature flames
Transition Zone Adapt to large temperature changes and prevent stress concentration Protect the furnace structure and prevent the glass liquid from corroding the furnace body
Recirculation Zone Protect the furnace structure and prevent glass liquid from erosion Ensure the fluidity of glass liquid and protect the furnace structure
Insulation layer Reduce heat loss and improve energy efficiency As the lining material of the furnace, it provides thermal insulation and fire-resistant protection
other Provides high temperature fire protection, resistance to chemical attack and mechanical wear Improve the durability and production efficiency of glass furnaces as a whole

Application of 70 high alumina bricks in hot blast furnaces:

Application area Function Specific role
roof Resist the erosion of high temperature hot air Protect the furnace roof structure and prevent hot air from eroding the furnace body
Furnace body Withstands erosion and chemical reactions from high temperature hot air Protect the furnace structure and extend the service life of the furnace
Furnace bottom Resist erosion from high temperature hot air and prevent thermal stress Protect the furnace bottom structure and ensure the stability of the furnace body
Combustion Chamber Resistant to flame erosion and high temperatures Protect the inner wall of the combustion chamber and extend the service life of the combustion chamber
Heat Exchanger Provides high temperature fire protection and resists chemical attack Protect the heat exchanger from the influence of high temperature hot air and improve the heat exchange efficiency
other Provides high temperature fire protection, resistance to chemical attack and mechanical wear Improve the durability and production efficiency of the hot air furnace as a whole

Application of 70 high alumina bricks in blast furnaces:

Application area Function Specific role
Furnace body Withstands corrosion from high temperature slag and molten iron Protect the furnace structure and prevent erosion of the furnace body by slag and molten iron
Furnace bottom Resist erosion from high temperature slag and molten iron, and prevent thermal stress Protect the furnace bottom structure and ensure the stability of the furnace body
Air outlet belt Withstands high temperature, hot wind and chemical erosion Protect the structure of the tuyere belt and extend its service life
Slag line Resistant to high temperature slag erosion Protect the slag line area to prevent the slag from corroding the furnace body
Cooling wall Provides high temperature fire protection and resists chemical attack Protect the cooling wall structure and improve the cooling effect
other Provides high temperature fire protection, resistance to chemical attack and mechanical wear Overall improvement of blast furnace durability and production efficiency

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