Blast furnace definition and meaning collins english dictionary. Describe and state the essential reactions in the extraction of iron from hematite. Blast furnace 2nd annual poetry chapbook competition. Extracting iron gcse chemistry single science revision other. Pelletizing a pellet plant contains a series of balling drums where the iron ore concentrate is formed into soft pellets, in much the same manner that one rolls a snowball, to make a pellet about the size of a marble between 14 and 12. The types of blast furnace that are obtainable in the world of today include nonferrous blast furnace, iron and lead blast furnace. Everyday low prices and free delivery on eligible orders. Edexcel international gcse chemistry 4ch1 for exams from 2019. It is dropped into the top of a blast furnace along with coke purified coal, almost pure carbon and limestone calcium carbonate.
I know making iron from iron oxide is reduction removing oxygen. In this gcse chemistry revision video, hazel teaches you about iron manufacturing in a blast furnace, including key balanced equations, raw materials used and removal of acidic impurities. A blast furnace is a large structure in which iron ore is heated under pressure so that. Igcse chemistry past exams, tutorials, notes and more on nada ak is lecturing. The blast furnace is the symbol of the steel industry. A powerpoint which goes through the stages of the blast furnace, including the equations to go with the stages. Limestone is calcium carbonate caco 3 and it is added to the blast furnace to remove the impurities in the iron ore. Gcse chemistry extraction of iron in the blast furnace. However, wood which is what charcoal is made from was becoming more expensive, as forests were being cleared for farmland and timber.
Blasts furnaces are used for smelting during the production of metals such as iron, lead, zinc, and copper. A blast furnace is a special type of furnace for smelting iron from ore. Blast furnace extraction of iron recycling, steel making. This book focuses on the control of the blast furnace process with respect to thermal control, gas flow control and casthouse operation. Not for resale, circulation or distribution in whole or in part. Mar 27, 20 aqa gcse science chemistry c1 summary notes page of 32 iron oxide haematite can be reduced with carbon in the blast furnace to make iron as carbon is more reactive than iron. Bbc teach offers free classroom resources to schools throughout the uk. Carefully explain the function of each raw material used. Iron is extracted from iron ore in a huge container called a blast furnace. Like other building types which attract the bechers, it is also an endangered industrial species. Start studying bisv igcse chemistry topic 14 the blast furnace. In this gcse chemistry revision video, hazel teaches you about iron manufacturing in a blast furnace, including key balanced equations, raw.
Aqa gcse chemistry 8462 edexcel gcse chemistry 1ch0 ocr gateway chemistry j248. Compared to this, elsewhere furnaces up to 5070 m 3 had been built. Santanu chakraborty, in treatise on process metallurgy. Edexcel international gcse 91 chemistry student book sample. Loop games and works sheet on blast furnace use for extracting iron using carbon monoxid. Blast furnace, a vertical shaft furnace that produces liquid metals by the reaction of a flow of air introduced under pressure into the bottom of the furnace with a mixture of metallic ore, coke, and flux fed into the top. Chemistry single science chemistry is the study of the composition, behaviour and properties of matter, and of the elements of the earth and its atmosphere. Gcse chemistry extraction of iron picture of the blast. The iron ore concentrate is now mixed and ready for the pelletizing process. Extraction of metals cie igcse chemistry revision notes. Blast refers to the combustion air being forced or supplied above atmospheric pressure in a blast furnace, fuel, ores, and flux are continuously supplied through the top of the furnace, while a hot blast of air sometimes with.
Compared to this, elsewhere furnaces up to 5070 m 3 had. It is lined with refractory firebricks that can withstand temperatures approaching 2000 o c. Hot air is also blown into the furnace which reacts with the carbon in a highly exothermic reaction, producing much of the heat required to keep the mixture molten. The thermit process is a displacement reaction between aluminium and iron oxide, and is used in welding iron and steel. The furnace gets its name from the method that is used to heat it. B draw a diagram to show the outline of the structure of a blast furnace and mark on it the following labels.
A blast furnace is a type of metallurgical furnace used for smelting to produce industrial metals, generally pig iron, but also others such as lead or copper. All the three ingredients are crushed into small round pieces and mixed and put on a hopper which controls the input. They can be up to 60 metres 200 ft tall and 15 metres 49 ft in diameter. Blast furnaces are used to produce pig iron from iron ore for subsequent. Chemistry books extraction of copper from copper pyrites. Feb 03, 2016 in this gcse chemistry revision video, hazel teaches you about iron manufacturing in a blast furnace, including key balanced equations, raw materials used and removal of acidic impurities. It is suitable for students of metallurgy as well as. In my cgp guide its not in there, but on the kerboodle text book there are two whole pages for it. The following questions are about the blast furnace and the production of iron. Gcse chemistry extraction of iron using carbon monoxide. Larger blast furnace, use of better prepared burden, recovery of waste energy, and maximum recovery of slag characterize the iron making technology proposed for vsp.
Click on a part of the picture below for further information. Coke, limestone and iron ore are poured in the top, which would normally burn only on the surface. Aqa as chemistry chem 2 june 20 this video runs through the chem 2 paper from june 20. Hot air is blasted in from the side to provide oxygen that allows some of the carbon to burn, releasing enough heat to raise the temperature above 1500 o c. This book is suitable for undergraduate and postgraduate science and engineering students in the fields of chemical, mechanical, metallurgical and materials engineering. Describes the principles of the blast furnace process and especially the control of the process. Hot air is also blown into the furnace which reacts with the carbon in a highly exothermic reaction, producing much of. Iron ore, haematite often contains sand with iron oxide, fe 2 o 3. If you are simply interested in a generalpurpose introduction to chemistry for 14 16 yearolds, you might be better looking at my edexcel igcse chemistry book. A catalyst article about chemical reactions that occur in a blast furnace during the steelmaking process. An excellent revision and afl worksheet that i have used for my lower ability year 10s. The blast furnace is a large steel structure about 30 metres high. The hot air blast to the furnace burns the coke and maintains the very high temperatures that are needed to reduce the ore to iron. Reactions in which oxygen is removed are called reduction reactions.
This is called thermal decomposition see examples of other carbonates. Blast furnace ironmaking chemistry textbooks elsevier. The book is now out of print, but if you are interested, you may be able to obtain a secondhand copy from. Blast furnace practice 91 gcse and igcse chemistry. The first principles blast furnace excel model allows for more comprehensive process assessments than the rules of thumb currently used by the industry. Three substances are needed to enable to extraction of iron from its ore. Iron is extracted from iron ore ironiii oxide in a blast furnace by heating with coke carbon. A blast furnace is a gigantic, steel stack lined with refractory brick where the concentrated iron ore, coke, and limestone are dumped from the top, and a blast of hot air is blown into the bottom. With modern blast furnace ironmaking an introduction the reader has a compact compendium of the blast furnace process available. There are many zones that take place in blast furnace. The combined mixture is called the charge iron ore, haematite often contains sand with iron oxide, fe 2 o 3 limestone calcium carbonate coke mainly carbon the charge is placed a giant chimney called a blast furnace.
Preheated air at about o c is blasted into the furnace through nozzles near its base the largest blast furnaces in the uk. The largest blast furnace in india at that time was of 2000 m 3. Strassburger volume 52, parts 12 of metallurgical society conferences. Preheated air at about o c is blasted into the furnace through nozzles near its. Making iron in the blast furnace a list and describe the four principal raw materials including air which are used in the blast furnace. In a blast furnace, fuel, ores, and flux are continuously supplied through the top of the furnace, while a hot blast of air sometimes with oxygen enrichment is blown into the lower section of the furnace through a series of pipes called tuyeres, so that the chemical reactions take place throughout the furnace as the material falls downward. These zones have the particular time and temperature ranges for their occurrences, that is to say that it depends on the metal to be heated and melted. Today there are three kinds of blast furnaces used to create metals. The common ores of iron are both iron oxides, and these can be reduced to iron by heating. Catalyst is a science magazine for students aged 1419 years. Blast furnace practice 91 gcse and igcse chemistry aqa. Part 1 gcse chemistry questions science with hazel in this video hazel answers another selection of chemistry exam questions on the blast furnace and electrolysis of aluminium. Find thousands of free curriculumlinked class clips on bbc teach to help you deliver lessons all arranged by subject and.
We will entertain manuscripts from any poet who has not previously been published in hisher own chapbooklength. See the chemical reactions presentation for more information on the thermit process. The roasted ore is mixed with powdered coke and sand and is heated in a blast furnace. Learn vocabulary, terms, and more with flashcards, games, and other study tools. A blast furnace works by blasting hot air up through the furnace while fuels, limestone, and ore move continuously through the top of the furnace. Blast furnace enthusiastically announces its second annual poetry chapbook competition, which officially began july 16, 2015. Blast furnacetheory and practice, volume 1 volume 2 of blast furnace blast furnacetheory and practice, julius h. Links revision quizzes revision questions the periodic table index metal quiz. Use your knowledge of the atomic structure of a number of isotopes to unlock the grid. A rock is a mixture of minerals from which useful substances can be made. The extraction of iron and a picture of the blast furnace. Metal extraction detailed notes and diagrams metal reactivity transition metals more industrial chemistry of metals. Blast furnace quick fire questions gcse science revision.
Hi guys, do we need to know about the blast furnace for ocr gcse chemistry. Blast furnace definition and meaning collins english. Just a labelled diagram of the blast furnace which can be stuck into their books. Gcse chemistry for you 5th edition free support resources for chemistry for you 5th edition. Step 2a the blast furnace the sinter is added through a hopper at the top of the blast furnace. Extraction of iron chemistry of the blast furnace limestone is calcium carbonate caco 3 and it is added to the blast furnace to remove the impurities in the iron ore.
Edexcel igcse chemistry 1c, may 20 part 1 gcse chemistry questions science with hazel in this video hazel answers another selection of chemistry exam questions on the blast furnace and electrolysis of aluminium. Doc browns gcseigcse o level ks4 sciencechemistry revision notes mining of minerals and methods of. May 14, 2017 in this gcse chemistry revision video, hazel asks you quick fire questions on the topic of the blast furnace, including the process of extracting iron and the chemical equations you need to learn. Free support resources for chemistry for you 5th edition. The charge is placed a giant chimney called a blast. Extracting iron from iron ore using a blast furnace. Blast furnace definition of blast furnace by the free. Step 2b the blast furnace the inner lining is made of insulating bricks, designed to reduce heat loss through the outer walls of the furnace. Blast furnaces may have the following ancillary facilities.
To the blast furnace, the following ingredients are added. The oxygen must be removed from the ironiii oxide in order to leave the iron behind. Blast furnaces are also called high ovens a blast furnace is usually built with a steel case and bricks made of magnesium oxide or other refractory material inside. Up to 1709, furnaces could only use charcoal to produce iron. Identify the major impurity in the molten iron from the blast furnace and explain with the aid of an equation how this element is removed from iron on an.
Jan 16, 2016 step 2a the blast furnace the sinter is added through a hopper at the top of the blast furnace. The molten iron is made using the thermit reaction where iron oxide is reacted with aluminium powder. Calcium carbonate is decomposed by heat in the furnace to give calcium oxide and carbon dioxide. Iron and steel labelled blast furnace image, size 0. Iron ores such as haematite contain ironiii oxide, fe 2o 3. The authors have very extensive experience as operators as well as consultants to many steel plants worldwide. The method used in blast furnaces have been used since the 1500s. Essentially giant, coneshaped circular stoves, blast furnaces dominate the cityscapes of pittsburgh, youngstown, and birmingham much as religious structures dominated medieval cities. Feb 07, 2010 an excellent revision and afl worksheet that i have used for my lower ability year 10s. Extraction of iron metallurgy blast furnace and reactions. Blast furnace theory and practice, volume 1 volume 2 of blast furnace blast furnace theory and practice, julius h. Iron, fe, is extracted from its metal oxide in the blast furnace using carbon as a reducing agent. The design of the hopper stops gases escaping through the top as sinter is added. In my cgp guide its not in there, but on the kerboodle text book there a.
The blast furnace is around 30 metres high and lined with fireproof bricks. Blast furnace is a furnace for smelting of iron from iron oxide ores hematite, fe 2 o 3 or magnetite, fe 3 o 4. This can be used in conjunction with the blast furnace story board. I know haematite iron ore is a rock containing iron oxide.
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