explain the of iron making in a blast furnace in norway
The Blast Furnace
The Blast Furnace Plant Now that we have completed a description of the ironmaking process, let s review the physical equipment comprising the blast furnace plant. There is an ore storage yard that can also be an ore dock where boats and barges are unloaded.
12.5 Iron And Steel Production - US EPA
Iron is produced in blast furnaces by the reduction of iron bearing materials with a hot gas. The large, refractory lined furnace is charged through its top with iron as ore, pellets, and/or sinter; flux as limestone, dolomite, and sinter; and coke for fuel.
Medieval Technology and American History - In-Depth …
The greatest benefit produced by the blast furnace was that the iron could be handled to produce pig or wrought iron both easily and at will. The term "pig iron" comes from the image of the molten iron that separated from the slag, ran into a canal of sand, called a "runner," and …
METALLURGY OF COPPER-EXTRACTION OF COPPER …
A blast of air is passed through the suspension. The particles get wetted by the oil and float as a froth which is skimmed. The gangue sinks to the bottom. ROASTING The concentrated ore is then roasted in a furnace in the presence of a current of air
iron ore prcocess flow and specifiions diagram
Iron processing Britannica Iron processing, use of a smelting process to turn the ore into a form from which .. the narrowing of the range of particle sizes makes the gas flow more evenly, Schematic diagram of modern blast furnace (right) and hot-blast stove (left).
How iron is made - material, manufacture, making, …
Historically, iron was produced by the hot-blast method, or later, the anthracite furnace. Either way, the fundamental activity in iron making involved a worker stirring small batches of pig iron and cinder until the iron separated from the slag. Called
Iron is obtained from haematite using a blast furnance …
Iron is obtained from haematite using a blast furnance shown in figure 5 below. (a)Four raw material are required for the production of iron. Three of these are iron oxide hot air and Limestone. Give the name of the fourth raw material. (b) Explain why temperature in
limestone in pig iron process
explain the function of limestone in the pig iron processing Pig_iron Pig iron is the immediate product of smelting iron ore with coke and limestone in a blast furnacePig iron has a very high carbon content, typically 35%, which makes it very brittle and not.
the processing of iron ore to steel
Iron making. Iron ore is produced in around 30 countries in 2017, the largest producers were Australia, Brazil and China. Around 98% of iron ore is used in steel making. During the iron making process, a blast furnace is fed with the iron ore, coke and small
Atom Economy A level questions? | Yahoo Answers
30/10/2012· 11. Calculate the percentage atom economy of the following processes: a) the production of iron in the blast furnace: Fe2O3 + 3CO 2Fe + 3CO2 b) the production of titanium: TiCl4 + 4Na Ti + 4NaCl c) the production of glass from sand: SiO2 + 2NaOH Na2SiO3 + H2O 12. Calculate the atom economy of each of the following methods of producing iron and decide which is the most efficient …
Raw materials - Jernkontoret
Raw materials For the production of steel, there is a need for iron raw material in the form of iron ore or scrap metal, together with alloying elements so that the material acquires the desired for properties. In the production of ore-based steel, coal is also needed as
Induction furnace - Wikipedia
Induction furnace capacities range from less than one kilogram to one hundred tonnes, and are used to melt iron and steel, copper, aluminum, and precious metals. The advantage of the induction furnace is a clean, energy-efficient and well-controllable melting process …
The Importance of Metallurgical Slags and Their …
Blast Furnace Operation In modern steel making, slags originate in a blast furnace from impurities in the iron ores (known as the gangue), the flux and coke ash. This is a complex mixture of silica, alumina, sulfides and oxides of calcium and magnesium, as well as smaller amounts of manganese and iron …
The Blast Furnace and extraction of Iron from its Iron …
Start studying The Blast Furnace and extraction of Iron from its Iron Ore. Learn vocabulary, terms, and more with flashcards, games, and other study tools. State the chemical equation for when coke react with the air, and state the importance of this reaction
Production routes for steel
Production routes for steel Dutch Pavilion at World Expo 2010 (John Körmeling) There are basically two routes for the production of steel. In the Blast Furnace route (BF) pig iron is extracted from iron ore using coke. Slag and blast furnace gas are formed in the blast
Waste Protocols Project Blast furnace slag (BFS)
Blast furnace slag01 Original purpose of this report The original purpose was to provide information to the Environment Agency about the production, use and material classifiion of blast furnace slag (BFS) via the production of a technical report by a BFS Technical
Effects of Different Mineral Admixtures on the Properties …
This paper presents a review of the properties of fresh concrete including workability, heat of hydration, setting time, bleeding, and reactivity by using mineral admixtures fly ash (FA), silica fume (SF), ground granulated blast furnace slag (GGBS), metakaolin (MK), and rice husk ash (RHA). Comparison of normal and high-strength concrete in which cement has
The blast furnace The iron ore, coke and limestone ("charge") is fed into the blast furnace from the top. Once inside the hot furnace the coke reacts with the blast of air (containing oxygen) making carbon monoxide gas. This gas is very reactive and has a
How do blast furnaces work? | Financial Times
A blast furnace also represents a huge overhead cost because, once fired up, it typically runs for six to 10 years, giving an operator little flexibility. If it is shut down prematurely, cooling
process of making iron from ore
Iron making.Iron ore is produced in around 30 countries in 2017, the largest producers were australia, brazil and china.Around 98 of iron ore is used in steel-making.During the iron-making process, a blast furnace is fed with the iron ore, coke and small quantities
Steps in the Modern Steelmaking Process
14/1/2020· Ironmaking, the first step in making steel, involves the raw inputs of iron ore, coke, and lime being melted in a blast furnace. The resulting molten iron—also referred to as hot metal—still contains 4-4.5% carbon and other impurities that make it brittle.
Topic 12 - Extraction and uses of metals - IGCSE Chemistry
5.4 describe and explain the main reactions involved in the extraction of iron from iron ore (Haematite), using coke, limestone and air in a blast furnace 5.5 explain the uses of Aluminium and Iron…
How are impurities in iron ore removed? - Answers
Iron ore is mixed with coking coal and limestone and heated in a blast furnace. The coke burns in a forced stream of preheated air , and reduces the iron oxide to iron, releasing carbon monoxide.
Iron and Steel Manufacturing
Iron and Steel Manufacturing 329 ticulate matter and the associated toxic metals: chromium (0.8 milligrams per normal cubic meter, mg/Nm 3), cadmium (0.08 mg/Nm ), lead (0.02 mg/Nm 3), and nickel (0.3 mg/Nm). Sulfur oxides are removed in desulfurization
Iron & Steel | Yokogawa Philippines
Iron Making Appliions Yokogawa helps leading-edge Iron and Steel plants through automation solutions that enable plant-wide integration and lifecycle optimization. Here is a quick list of Iron Making units and appliions for which Yokogawa has a global network of experts at your service, providing comprehensive automation solutions.
Blast Furnace operation: HOW A BLAST FURNACE WORKS
Iron oxides can come to the blast furnace plant in the form of raw ore, pellets or sinter. The raw ore is removed from the earth and sized into pieces that range from 0.5 to 1.5 inches. This ore is either Hematite (Fe 2 O 3) or Magnetite (Fe 3 O 4) and the iron content ranges from 50% to 70%.) and the iron content ranges from 50% to 70%.
Iron | Geoscience Australia
Iron is about eight times heavier than water (its relative density is 7.87). When iron is exposed to air it starts to turn back into iron oxide and the red powder that forms on the surface of iron is what we call rust. You may have seen rust on old cars or old iron sheds.