Blast Furnace
The blast furnace is the core ironmaking unit; linings face 1100–1500°C heat, slag/metal attack and alkali damage, with long campaigns relying on hearth ceramic cups and bosh cooling staves.
PROBLEMS
Kiln Problems
Problem-by-problem analysis with solutions and recommended refractories
01Zone：Bosh & Shaft
Bosh & Shaft Gunning Lining Spalling
The bosh and lower shaft suffer gas scouring and alkali attack; gunned linings spall and s…
Problem Details →02Zone：Taphole
Taphole Erosion
The taphole channel is repeatedly scoured by slag and metal; the channel enlarges and the …
Problem Details →Recommended Products
SiC Wear-Resistant Castable
SiC-based wear-resistant castable for aluminum reduction cells and boilers.
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Brown Corundum Castable
High-purity brown corundum castable for ladles and reheating furnaces.
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BF Taphole Ramming Mix
Ramming mix for tapholes and troughs with fast patching and slag resistance.
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Iron Runner Castable
Castable for BF main and iron runners with high throughput and easy repair.
Learn More →Other Kilns in This Industry
Hot Metal Ladle2 problems
The hot metal ladle transports and holds molten iron; its bottom suffers impact and its slag line suffers slag attack, making it one of the most frequently relined refractory zones.
View Problems & Solutions →Hot Blast Stove1 problems
The hot blast stove preheats blast air to 1150–1300°C via checker bricks; checker service life and hot-blast main lining integrity determine achievable wind temperatures.
View Problems & Solutions →Iron Runner2 problems
The iron runner guides blast-furnace hot metal to ladles; its slag line endures alternating metal/slag scouring, with Al2O3-SiC-C castable throughput being the key metric.
View Problems & Solutions →
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