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Q: Why is limestone added as a raw material to the furnace?
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What raw material are put into a blast furnace?

The blast furnace is a huge, steel stack lined with refractory brick, where iron ore, coke and limestone are dumped into the top, and preheated air is blown into the bottom. The raw materials require 6 to 8 hours to descend to the bottom of the furnace where they become the final product of liquid slag and liquid iron.


The blast furnace in a steel mill represents?

raw material


What raw material is used to make glass?

Limestone Sand


What is the function of air in the blast furnace?

to burn coke that will burn the raw material


Which one of the following is the predominant raw material used in the manufacture of cement?

Limestone


What equipment is used to refine iron ore?

The first thing required is a blast furnace, which is filled with iron ore, coke, and crushed limestone. Then it is fired and a strong air blast is blown upwards through the furnace.


What the raw material that is added to a system for processing is known as?

Well if the processing is milling flour, then the raw material is called "grist".


What raw material that is added to a system for processing is known as?

Well if the processing is milling flour, then the raw material is called "grist".


How many tons of limestone does it take to produce one ton of cement?

It takes between 3200-3500 pounds of raw material to make one ton of cement, the bulk of the raw material being limestone. Let's say the ratio is 1.5 tons limestone for every 1.0 ton of cement.


How are the raw materials in glass acquired?

Glass is a compound of Silicon, Silicon is widely collected from Sand and rock


What raw materials are used in a Cupola furnace?

Two raw materials that are used in a Cupola furnace include rocks and briquettes. The cupola is a vertical furnace that is similar to blastfurnaces.


What is most abundant chemical sedimentary rock?

Limestone is the most abundant chemical sedimentary rock. It is formed mainly from the accumulation of the remains of marine organisms such as coral and shellfish. Limestone is used extensively in construction and as a raw material in various industries.