10 Terms
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Mineral mining
The extraction of valuable minerals or other geological materials from the earth for economic interests.
Industry: Mining
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Mineral mining
magnesite refractory
Mining; General mining
A refractory material, fired or chemically bonded, consisting essentially of dead-burned magnesite; the MgO content usually exceeds 80%. Such refractories are used in the hearths and walls of basic ...
castable
Mining; General mining
A refractory mix containing heat-resistant, hydraulic setting cement. A refractory concrete.
dead-burned dolomite
Mining; General mining
A refractory product, CaO.MgO, produced by calcination of dolomite or dolomitic limestone.
tuyere brick
Mining; General mining
A refractory shape containing one or more holes through which air and other gases are introduced into a furnace.
weta material
Mining; General mining
A refractory suitable instead of porcelain and quartz glass. Powdered silicon carbide mixed with silicates and certain metals; resists acids, alkalis, and temperature shock; is not easily broken.
baffle wall
Mining; General mining
A refractory wall used to deflect gases or flames from the ware and to provide better heat distribution in the furnace structure.
hot top
Mining; General mining
A refractory-lined steel or iron casting inserted into the tip of a mold and supported at various heights to feed an ingot as it solidifies.
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