The purpose of a blast furnace is to reduce and convert iron oxides into liquid iron called hot metal. Free powerpoint presentations about blast furnace for kids. Free chemistry powerpoint presentations great for ks1 ks2 ks3 ks4 and post 16 a level lessonplans, k12 and more. Thus, it is the lower part where the reduction of iron. Iron ore, haematite often contains sand with iron oxide, fe2o3.
Free powerpoint presentations about science for kids. The blast furnace free powerpoint presentations for. Iron ore, coke and limestone are put into the top, and preheated air is. 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. 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. Examples are taken from ferrous extraction metallurgy and the application of physi. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Petes powerpoint station is your destination for free powerpoint presentations for kids and teachers about blast furnace, and so much more. Ppt blast furnace reactions powerpoint presentation. Reactions in the lower part of the blast furnace with. The principle of blast furnace operational technology and. The reactivity series iron the blast furnace copper. This presentation attempts to illustrate the importance of physicochemical.
An interactive animation representing the process of iron extraction in a blast furnace. The following two reactions are important in the blast furnace production of iron metal from iron ore fe2o3. Chemistry powerpoint presentations free to download. The reduction and smelting of iron ore is done mainly in the iron blast furnace. Great for ks1 ks2 ks3 ks4 and post 16 a level lessonplans, and more. This is known as pig iron and cast into variety of shapes. Improvements in the process over many centuries eventually led to the mass production of iron and to the industrial revolution. Blast furnace reactions carbon oxidised by hot air. The charge is placed a giant chimney called a 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. Pig iron was known four to six centuries before the common era. This helps you give your presentation on the blast furnace in a conference, a school lecture, a business proposal, in a webinar and business and professional representations.
Reports upon blast furnace field tests, the iron and steel institute, special report no. The counter current nature of the reactions makes the overall process an extremely efficient one in the blast furnace process iron ore and reducing agents coke, coal are transformed to hot metal. Oct 04, 2016 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. Step 2 the blast furnace the outer case is a water cooled steel casing that provides the main support for the 30 m high furnace. Iron ore, coke and limestone are put into the top, and preheated air is blown into the bottom.
Sinter is better suited to this practice than pellets. Write down the reactions taking place in different zones in. The ironmaking blast furnace bf is an efficient chemical reactor for producing liquid iron from solid iron ore, where the solids of coke and iron ore are charged in alternative layers and. This can be used in conjunction with the blast furnace story board. Powerpoint presentations on a huge range of chemistry topics. Thermite reaction and blast furnaces by sophie heywood. Blast furnace in bsp free download as powerpoint presentation. The purpose of a blast furnace is to convert iron oxides into liquid iron called hot metal. Claudio fapanni, giampiero tornielli, ernesto soressi. Free download the blast furnace bisb chemistry powerpoint. The method used in blast furnaces have been used since the 1500s. The blastfurnace industry took shape as a result of the development of the blooming processthe. The reactions of the blast furnace involve 1 combustion of the fuel and its conversion into carbon monoxide, 2 reduction of the ore. The percentage of scrap used in the bos can be influenced by such factors as blast furnace metal chemistry, use of cold iron and iron ore in.
This auxiliary equipment and the gaseous pathways inside a blast furnace process are shown in figure 2. 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. View and download powerpoint presentations on reactivity series ppt. 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. Modeling of iron ore reactions in blast furnace request pdf. Oxygen in the air reacts with coke to give carbon dioxide. Free download the blast furnace powerpoint presentation. Blast furnace gas blast furnace gas is a byproduct of blast furnaces where iron ore is reduced with coke into metallic pig iron. Ppt the blast furnace powerpoint presentation free to. In a blast furnace, which is generally used to obtain pure iron from its ore, the following reactions take place. Blast furnace presentation chemistry powerpoint presentations.
Scribd is the worlds largest social reading and publishing site. If you scroll past the diagram you can read about the blast furnace process. Apart from blast furnace proper blast furnace section includes many other accessories. Free powerpoint presentations about chemistry for kids. Ppt blast furnace reactions powerpoint presentation, free. Redox, displacement reaction and rusting of iron worksheets and answers. The materials are charged into the blast furnace through two stages of conical bells 5 which seal in the gases and distribute the raw materials evenly around the circumference of the furnace throat. Consequently, the kinetics of the major blast furnace reactions must be increased. Blast furnace modern furnaces are equipped with an array of supporting facilities to increase efficiency, such as ore storage yards where barges are unloaded. Use and alter these presentations freely or any power point template used in this presentations site for other tea. Minerals and ironmaking reactions in blast furnaces. 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. The precise filling order is developed by the blast furnace operators to carefully control gas flow and chemical reactions inside the furnace.
Coke mainly carbon the charge is placed a giant chimney called a blast furnace. Compact blast furnace process lowtemperature operations a key component of the lowtemperature blast furnace operation is to reduce the fuel rate significantly by lowering operating temperatures by 150200 c particularly in the thermal reserve zone. May 03, 2010 blast furnace modern furnaces are equipped with an array of supporting facilities to increase efficiency, such as ore storage yards where barges are unloaded. Kinetics of iron removal from tiextraction blast furnace slag by. Effect of various nh4cl to ebfs mass ratios on iron removal rate over time. Extraction of iron metallurgy blast furnace and reactions. A powerpoint which goes through the stages of the blast furnace, including the equations to go with the stages.
The formation of iron and steel the blast furnace 2. In this process, hot air is blown from the bottom of the furnace and coke is burnt to raise the temperature up to 2200 k in the lower portion itself. A blast furnace is a large structure in which iron ore is heated under pressure so that. Blast furnace definition and meaning collins english dictionary. Blast furnace definition and meaning collins english.
Blast furnace operation an overview sciencedirect topics. Students annotate each stage to explain what is happening during the extraction of iron from the blast furnace. Decrease in solution loss reaction at central part. The blast furnace 1 the blast furnace 2 what is a blast furnace. In order to develop specifications for coke qualaity for large blast furnaces and measures matching the. Powerpoint presentation on the blast furnace, download now ppt of the blast furnace read more tags. The blast furnace 1 the blast furnace by chan, sam and elly 2 what is a blast furnace. Can be used in conjunction with blast furnace powerpoint. The blast furnace is around 30 metres high and lined with fireproof bricks. The iron obtained from blast furnace contains about 4% carbon and many impurities in smaller amount e. All the three ingredients are crushed into small round pieces and mixed and put on a hopper which controls the input.
Compared to this, elsewhere furnaces up to 5070 m 3 had. What is the equation of the exothermic reaction in a blast. The blast furnace process can be briefly described as follows. Blastfurnace production the production of pig iron by the reduction smelting of iron ores or pelletized ironore concentrates in blast furnaces. Find powerpoint presentations and slides using the power of, find free presentations research about reactivity series ppt. Mar 31, 2014 the purpose of a blast furnace is to reduce and convert iron oxides into liquid iron called hot metal. Start studying bisv igcse chemistry topic 14 the blast furnace. Powerpoint is the worlds most popular presentation software which can let you create professional the blast furnace powerpoint presentation easily and in no time. On the diagram below of the blast furnace, just click on the labels for a more detailed description. Blast furnace, coke gas and converter gas for power production.
Several reactions take place before the iron is finally produced. During the extraction of iron, the reduction of iron oxides takes place in the blast furnace. Blast furnace is a counter current heat and mass exchanger in which reduction and smelting of metallic mineral takes place. Reports upon blastfurnace field tests, the iron and steel institute, special report no. The slag is in molten state and separates out from iron. Iron ore agglomeration o sinter process the sinter process was introduced around 1910 to treat flue dust extracted from blast furnace exhaust gases. Thermite reaction and blast furnaces the slag blast furnaces the slag formed is typically turned into granules and stones which can then be turned into cement.
The blast furnace is a huge, steel stack lined with refractory brick. Blastfurnace production article about blastfurnace. Santanu chakraborty, in treatise on process metallurgy. The smelting of iron ore into metallic iron was first accomplished by primitive blast furnaces approximately three thousand years ago. Write down the reactions taking place in different zones. Students can also add the equations in the final square. Blast furnace in bsp coke fuel blast furnace free 30.
The blast furnace process has auxiliary equipment associated with it. Feb 27, 2008 an interactive animation representing the process of iron extraction in a blast furnace. The largest blast furnace in india at that time was of 2000 m 3. A powerpoint which goes through the stages of the blast furnace, including the. Ideal for use in the classroom, student learning or general knowledge. Cast iron is different from pig iron and is made by melting pig iron with scrap iron and coke using hot air. Step 2a the blast furnace the sinter is added through a hopper at the top of the blast furnace. Blasts furnaces are used for smelting during the production of metals such as iron, lead, zinc, and copper. Download free powerpoint presentation of the blast furnace bisb chemistry which is used for giving presentation of different topics eg. Iron ore, haematite often contains sand with iron oxide, fe 2 o 3. Iron oxides, flux agents, and metallurgical coke are added to a skip car at the stock house. Cast iron is different from pig iron and is made by melting pig iron with scrap iron and coke using hot air blast.
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