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What is the products of blast furnace?
The main products of a blast furnace are pig iron (used to make steel) and slag (a byproduct that is used in construction materials).
Why slag layer is above the layer of iron in blast furnace?
Slag is intentionally placed above the layer of iron in a blast furnace to create a protective barrier. The slag layer acts as insulation, preventing the molten iron from exposure to the air and preventing oxidation. This helps maintain the temperature needed for the iron to be extracted from the ores.
Why limestone is used in the blast furnace?
Limestone is used in the blast furnace as a flux material to help remove impurities such as silica, which would otherwise form a slag that interferes with the smelting process. When limestone is added, it combines with the impurities to form a molten slag that can be easily separated from the molten iron.
Why is a blast furnace called blast furnace?
how does the blast furnace maintain the heat ?what is the function of CaCO3 ?how the slag protect the molten iron ?why does iron flow down to the bottom /how does the slag and molten iron get seperated ?what is use of waste gas /what is main impurity of iron in blast furnace ?
What is the function of lime in a blast furnace?
Lime is added to a blast furnace as a fluxing agent to help remove impurities, such as silica and phosphorus, from the iron ore. It also helps control the viscosity of the slag, which promotes better separation of the molten iron from the impurities. Additionally, lime helps maintain the desired chemical balance and temperature within the furnace for efficient iron production.
What is a common flux in a blast furnace?
Limestone, dolomite, BOF slag, electric furnace slag, olivine
How is slag collected from a blast furnace?
iron is collected from blast furnace by drilling the taphole.Taphole is a hole drill and plug after cycle of time located in blast furnace bottom.
What is full form of GGBS?
ground granulated blast furnace slag
What is the chemical formulae for granulated Blast furnace slag?
This is a mixture not a compound.
What is the products of blast furnace?
The main products of a blast furnace are pig iron (used to make steel) and slag (a byproduct that is used in construction materials).
What kind of fire bricks are used for molten blast furnace slag?
High alumina fire bricks are commonly used in applications involving molten blast furnace slag due to their high refractoriness and resistance to thermal shock. These bricks are able to withstand the high temperatures and harsh conditions of the slag without deforming or deteriorating quickly.
What are the 2 liquids that are tapped off from a blast furnace?
The two liquids tapped off from a blast furnace are molten iron and slag. Molten iron is the main product, while slag is a byproduct that is formed from impurities in the ore.
How is limestone usefull?
because in a blast furnace the limestone removes unwanted substances as slag.
What are advantages of using blast furnace slag in making cement?
she does not stick around for breakfast!
Can the slag on a blast furnace be used in concrete or cement?
Slag from a blast furnace is usually ground down and used as a cement substitute as it is re-use of a waste product - it is not used on its own in concrete as the chemical reaction will not produce the same strength as proper cement.
Why slag layer is above the layer of iron in blast furnace?
Slag is intentionally placed above the layer of iron in a blast furnace to create a protective barrier. The slag layer acts as insulation, preventing the molten iron from exposure to the air and preventing oxidation. This helps maintain the temperature needed for the iron to be extracted from the ores.
Does iron ore slag sink to the bottom of the blast furnace?
Slag is the waste which is skimmed off the top of the molten iron that comes out of the blast furnace. It is a mixture of calcium and magnesium compounds, plus other impurities such as iron oxide, but is mainly calcium silicate. The formula for calcium silicate is CaSiO3.
