Ladle slag is a by-product from further refining molten steel after coming out of a basic oxygen furnace (BOF) or an electric arc furnace (EAF). … Experimental results have indicated that ladle slag fines show significant cementitious property in the presence of an alkaline activator.
Also question is, what are ladles and crucible?
Transfer crucibles are refractory-lined vessels used to transport molten aluminium. … Ladles are used in the aluminium and foundry industries to transfer molten metal from one location to another, generally from a melting furnace to a holding furnace.
Besides, what is known as slag?
in blast furnace/Bessemer converter, the upper layer of molten liquid (i.e. molten metal) is of slag.
What is ladle in steel plant?
In metallurgy, a ladle is a vessel used to transport and pour out molten metals. Ladles are often used in foundries and range in size from small hand carried vessels that resemble a kitchen ladle and hold 20 kilograms (44 lb) to large steelmill ladles that hold up to 300 tonnes (295 long tons; 331 short tons).
What is pig iron?
Pig iron is the product of smelting iron ore (also ilmenite) with a high-carbon fuel and reductant such as coke, usually with limestone as a flux. Charcoal and anthracite are also used as fuel and reductant. Pig iron is produced by smelting or iron ore in blast furnaces or by smelting ilmenite in electric furnaces.
What is reducing slag?
It consists of oxidizing slag that is generated during oxidation refining, and reducing slag that is generated during reduction refining. Approximately 70 kg of electric arc furnace oxidizing slag and 40 kg of reducing slag are generated for each ton of electric arc furnace steel.
What is slag in chemistry?
Slag is the silicon dioxide and metal oxide mixture left over as a by-product of extracting metal from its ore during the smelting process. … Slag consists of the undesired impurities in the metal ore extracted during the smelting process.
What is slag used for?
While slags are generally used to remove waste in metal smelting, they can also serve other purposes, such as assisting in the temperature control of the smelting, and minimizing any re-oxidation of the final liquid metal product before the molten metal is removed from the furnace and used to make solid metal.
What is the function of ladle furnace?
Ladle Refining Furnaces (LRF) are used to raise the temperature and adjust the chemical composition of molten metal. Without LRFs, higher tap temperatures are normally required from steel making furnaces due to heat losses during refining with conventional ladles.
What mineral that produced slag?
Slags are nonmetallic byproducts of many metallurgical operations and consist primarily of calcium, magnesium, and aluminum silicates in various combinations. Iron and steel slags are coproducts of iron and steel manufacturing.