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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.Pig iron is formed as a result of the smelting of iron ore in a blast furnace. With the help of dolomite and limestone, the coke reduces the iron ore as a flux for eradicating the impurities. The resultant liquefied iron is then cast in the pig machine, which results in the production of pig iron.
| Rank | Country | World Production, By Country (Thousand metric tons) |
|---|---|---|
| 1 | China | 657,900 |
| 2 | Japan | 81,405 |
| 3 | Russian Federation | 49,000 |
| 4 | India | 48,000 |
Table of Contents
Where is pig iron produced?
| Rank | Country | World Production, By Country (Thousand metric tons) |
|---|---|---|
| 1 | China | 657,900 |
| 2 | Japan | 81,405 |
| 3 | Russian Federation | 49,000 |
| 4 | India | 48,000 |
Is pig iron made from pigs?
Pig iron is formed as a result of the smelting of iron ore in a blast furnace. With the help of dolomite and limestone, the coke reduces the iron ore as a flux for eradicating the impurities. The resultant liquefied iron is then cast in the pig machine, which results in the production of pig iron.
1951 CAST IRON / PIG IRON SMELTING DOCUMENTARY \” IRON — PRODUCT OF THE BLAST FURNACE \” 18524
Images related to the topic1951 CAST IRON / PIG IRON SMELTING DOCUMENTARY \” IRON — PRODUCT OF THE BLAST FURNACE \” 18524
Why is it called pig iron?
The common mold shape that is used for ingots was with a branching structure formed within sand. This configuration is similar to the look of a litter of piglets suckling on a sow. Once the metal has hardened and cooled, the little ingots or “pigs” are broken into a thinner runner, hence the name “pig iron.”
How pig iron is manufactured in a blast furnace?
Blast furnaces produce pig iron from iron ore by the reducing action of carbon (supplied as coke) at a high temperature in the presence of a fluxing agent such as limestone.
How is cast iron made from pig iron?
Pig iron is melted (using hot air blast) with scrap iron and coke to form cast iron. Carbon content is around 3% and cast iron is extremely hard and brittle.
What is the difference between pig iron and iron ore?
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Complete answer:
| Pig Iron | Steel |
|---|---|
| Pig iron cannot be welded | Steel can be welded. |
| Pig iron cannot be rolled into sheets. | Steel can be rolled into sheets i.e. it is malleable. |
| Pig iron cannot absorb shock. | Steel can absorb shock. |
| Pig iron can rust. | Steel does not rust. |
What country produces the most pig iron?
| Rank | Country | 2015 |
|---|---|---|
| World | 1,180 | |
| 1 | China | 710 |
| 2 | Japan | 84 |
| 3 | India | 54 |
See some more details on the topic How is pig iron formed? here:
Pig Iron Production – Blast Furnace Route
Being less dense, the slag floats on top of the iron. Slag and iron are tapped at regular intervals through separate tap holes. For merchant pig …
Pig iron – Wikipedia
Pig iron, also known as crude iron, is an intermediate product of the iron industry in the production of steel which is obtained by smelting iron ore in a …
Pig Iron Production – Interstahl
Pig iron usually consists of about 92 percent iron, three to four percent carbon, and varying amounts of silicon (0.5 to 3%), manganese (0.5 to 6%), phosphorous …
History and Importance of Pig Iron – You Need to Know –
Pig iron is formed as a result of the smelting of iron ore in a blast furnace. With the help of dolomite and limestone, the coke reduces the iron ore as a …
Pig iron | What Is Pig Iron | Pig Iron In Hindi | Pig Iron Manufacturing Process
Images related to the topicPig iron | What Is Pig Iron | Pig Iron In Hindi | Pig Iron Manufacturing Process
Who invented pig iron?
This was invented in 1828 by James Beaumont Neilson and transformed the iron industry, launching the second phase of the industrial revolution in Scotland. The iron was made at 1500 degrees Celcius in huge 60 foot high furnaces before being cast in beds of sand as a series of bars called pigs.
What are the main components of pig iron?
Pig iron is basically an alloy of iron (Fe), carbon (C), silicon (Si), and manganese (Mn). It also contains some percentage of sulphur (S) and phosphorus (P) as impurity elements, along with some titanium (Ti) and other trace elements. The C content of pig iron is high, typically in the range of 3.5 % to 4.5%.
How iron is manufactured?
Manufacture of iron. Iron is produced by reduction of iron ore, which is often a mixture of oxides, using carbon, carbon monoxide, and hydrogen. While the blast furnace is the dominant reduction process other technologies are emerging which operate on a smaller scale.
How is slag formed in a blast furnace?
Blast furnace slag (BFS) is a by-product from iron production in blast furnaces, which are fed by a mixture of iron-ore, coke and limestone. In the process, the iron ore is reduced to iron while all remaining materials form the slag, which is tapped off as a molten liquid and cooled.
What are the raw materials used in produce pig iron?
The raw materials used to produce pig iron in a blast furnace are iron ore, coke, sinter, and limestone. Iron ores are mainly iron oxides and include magnetite, hematite, limonite, and many other rocks.
Is there a difference between pig iron and cast iron?
Pig iron is malleable and can be moulded into a variety of shapes. – Cast iron is the iron obtained by melting of the mixture of pig iron and scrap iron and coke by hot air blast. It has around 3% of carbon content. So, it is more pure than pig iron.
The Iron blast furnace working principle and reactions in pig iron production.
Images related to the topicThe Iron blast furnace working principle and reactions in pig iron production.
What is difference between pig iron and cast iron?
cast iron is purest from iron while pig iron is impure. cast iron has lower carbon content (3%) as compared to pig iron (4%) and is extremely hard and brittle.
What is the difference between pig iron and sponge iron?
Sponge iron is a form of iron that we can produce directly from iron ore through a reduction process whereas pig iron is a form of iron that we can produce by melting iron ore along with charcoal and limestone under very high pressure.
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