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I would imagine so that it provides a wider base of support for stability and also to create vaccuum to generate more heat. An opening too large will end up with turbulence rather than vaccuum. Any replies to szymkow@bigpond.com

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How do you think the blast furnace got its name?

the blast furnace got its name , because its bottom which is called a furnace blows hot air to go up.


How does limestone coke and iron ore get into the blast furnace?

through the top of the blast furnace


What is the volume of a blast furnace?

Useful Volume of Blast Furnace is the volume of the furnace from the throat level to the level where the taphole is placed. This is known the way basically because that is the region where the useful products from Blast furnace are present.


Is blast furnace a batch furnace?

A blast furnace runs continuously, and input materials are continually dumped in at the top to make their way down through the furnace. Shutting down a blast furnace for relining or other work is a major event in its life.


What is difference between Cupola furnace and blast furnace?

In essence nothing, a Cupola furnace is a type of blast furnace in that it is charged at the top and tapped at the bottom and air is blasted into the furnace via a wind belt and tuyres. A blast furnace in a steel works is a huge structure operated for long periods of time, it is charged with iron ore, coke and limestone and reduces the iron ore into pure iron. A Cupola furnace, as used in the foundry re melts pig iron, from the blast furnace, along with foundry scrap, steel scrap and scrap iron engine blocks and produced iron alloys of various specifications. A Cupola furnace is usually operated on a daily basis but some types can be continuously operated for several weeks

Related Questions

Why is blast furnace tapered from bottom of the furnace?

it is tappered to accomodate the gradual volume expansion of the solid charge as it descends through zones of Stack,from top to bottom in the stack the temperature gradually increases and we need to ascertain smooth burden descent.


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.


How do you think the blast furnace got its name?

the blast furnace got its name , because its bottom which is called a furnace blows hot air to go up.


How does the blast furnace maintain the heat?

The blast furnace maintains heat through the combustion of coke (a type of coal) with hot air blown in at the bottom. This creates a high temperature that allows the iron ore to melt and collect at the bottom of the furnace. The heat is further sustained by the chemical reactions occurring within the furnace.


Where does molten iron go in a blast furnace?

Molten iron sinks to the bottom of the blast furnace due to its higher density compared to the other materials. It is tapped from the furnace and cast into molds to solidify into various shapes for further processing.


What is the German word for blast furnace?

Blast furnace = Hochofen


What is Blast Furnace?

A blast furnace is used to extract iron from its ore.


Why blast furnace called as blast furnace?

Its because air is forced into the furnace to increase temperature. Steve.


When was Govăjdia Blast Furnace created?

Govăjdia Blast Furnace was created in 1810.


What Is A Blast Furnace?

A blast furnace is a forge in which ore is smelted to meal, being intensified by a blast of hot air.


How does limestone coke and iron ore get into the blast furnace?

through the top of the blast furnace


Where is the Largest blast furnace of Asia?

'i' blast furnace of tata steel, jamshedpur,india