Elevation section of a mid 20th century blast furnace. Once an item and a fuel are placed into the blast furnace, the block state changes to lit and the item is smelted twice as fast as a regular furnace. Crosssection diagram of a blast furnace hagley digital. They use their text book as a reference and cut out the labeled.
Modern blast furnaces produce more than 10,000 tonnes per day. A blast furnace is a type of metallurgical furnace used for smelting to produce industrial metals. Cupola furnace is one of the furnace where we melt different types of metal some are cast iron, some are maybe bronze. Duct diagrams figure 1 hvac furnace and duct system. A blast furnace is usually built with a steel case and bricks made of magnesium oxide or other refractory material inside the case. Blast furnace, coke gas and converter gas for power production. This the blast furnace worksheet is suitable for 9th 12th grade. View our blast furnance animation and discover how abraham darby finally succeeded in smelting iron british broadcasting corporation home. Blast furnace is the focus of any integrated steel plant.
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. Blast furnaces emit a light level of when active, similar to normal furnaces. Flue gases from furnaces and air from ventilation systems are vented to cyclones, scrubbers, baghouses, etc. 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. Creating steel from lowgrade iron ore requires a long process of mining, crushing. Flue dust must be removed from the separator air pollution control equipment and transported to storage, recycle streams, or to offplant receivers. Blast furnace sizing considerations for incredible india. Extracting iron iron and aluminium gcse chemistry single. The two major reasons for sealing valve failures are a actuator hydraulic cylinder end flange failure and b actuator crank failure. Preheated air at about o c is blasted into the furnace through nozzles near its base the largest blast furnaces in the. View and download ussc hotblast 57m owners manual online.
Each furnace typically had three to five stoves associated with it. They can be up to 60 metres 200 ft tall and 15 metres 49 ft in diameter. This category has the following 2 subcategories, out of 2 total. Blast furnace, a vertical shaft furnace that produces liquid metals by the reaction of. Iron oxides can come to the blast furnace plant in the form of raw ore, pellets or sinter.
A typical blast furnace may be up to 32 metres in height and 10 metres in diameter. Air heated in the blast furnace stoves, is applied from the bottom of the furnace. The falls gave the potential energy, or head, of the water to. The blast furnace is a countercurrent gassolids reactor in which the. A clear simple diagram of the blast furnace for students to label. Blast furnaces are similar to furnaces, but can smelt only ore blocks and toolsarmor made of iron, gold or chainmail. On the diagram below of the blast furnace, just click. Gas furnace diagram one of the benefits of a forcedair system is that it can receive a wholehouse airconditioning unit, a humidifier, and an electronic air filterall of which can take advantage of the furnaces air handler and ducts for delivery of conditioned air to rooms. A blast furnace is a special type of furnace for smelting iron from ore. The furnace gets its name from the method that is used to heat it.
Once a blast furnace is started it will continuously run for four to ten years with only short stops to perform planned maintenance. The method used in blast furnaces have been used since the 1500s. Diagram blast furnace stock photos and images alamy. Iron ore processing for the blast furnace courtesy of the national steel pellet company the following describes operations at the national steel pellet company, an iron ore mining and processing facility located on the mesabi iron range of minnesota. Draw a neat labeled diagram of blast furnace used in the extraction of cast iron. Media in category drawings of blast furnaces the following 127 files are in this category, out of 127 total. Three substances are needed to enable to extraction of iron from its ore.
The extraction of iron and a picture of the blast furnace. Download scientific diagram schematic diagram of the blast furnace. Give the chemical reactions that take place in the different zones of the furnace. Links revision quizzes revision questions gcsescience. It is lined with refractory firebricks that can withstand temperatures approaching 2000 o c. Blast furnace is used to reduce the iron ore to iron. 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. In this blast furnace worksheet, students are given a diagram with six arrows that they label, three parts and any other detailed information. If you click on the parts you will be taken to an explanation of them. Here you can see that the iron master has chosen to place it next to a stream he labeled guiny falls. By malik mubashir university of the punjab lahore, pakistan 2. Human eye diagram class 10 how to draw human eye diagram easy step by step duration. Pdf threeview, plan view and elevation view drawings.
The ellingham diagram is not always thought of as a heattreaters tool. Blast furnace gas blast furnace gas is a byproduct of blast furnaces where iron ore is reduced with coke into metallic pig iron. You can see them, labeled as air heating plant in the diagram here. Blast furnace modern furnaces are equipped with an array of supporting facilities to increase efficiency, such as ore storage yards where. The blast furnace is a large steel structure about 30 metres high.
There is also a powerpoint version, click to reveal the labels, great for a quick revsion exercise. Blast furnaces are used continuously and are only shut down when their brick lining needs replacing. The blast furnace is a huge, steel stack lined with refractory brick. Schematic diagram of modern blast furnace right and hotblast stove left. Furnace may also be a synonym for kiln, a device used in the production of ceramics. Blast furnace extraction of iron from blast furnace class 12 ncert chemistry blast furnace working animation extraction of iron metallurgy of iron. Click on a part of the picture below for further information. Gcse chemistry extraction of iron picture of the blast. Various temperature and chemical reaction zones are shown, with the basic physical components labeled. A simplified diagram of a blast furnace is drawn below. Medieval technology and american history the system of a.
The stoves were used to heat the blast of air that was blown into the furnaces. The charge, which consists of iron ore, coke and limestone etc. So today we discuss the working principle of cupola furnace as well as see the construction, advantages, disadvantages, and applications of cupola furnace. Pig iron blast furnace route international iron metallics association. Below you can see a diagram of the furnace with its main parts labeled. Power factor improvement equipment m m r y b m preliminary oltc it shall be suitable for 100% bidirrectional power flow sync provision shall be kept at 11 kv bus m. The burden charge consisting of iron oxide, flux and coke and it provides through the throat from the top of the furnace. They have thick steel sides, lined with refractory bricks, to ensure that heat is not lost.
Today there are three kinds of blast furnaces used to create metals. Harold johann thomas ellingham 18971975 was a british physical chemist and is best known for the diagrams named after him that plot the change in standard free energy with respect to temperature for reactions like the formation of oxides. When determining where to put a furnace, the iron master needed a source of flowing water. The blast furnace is a countercurrent gassolids reactor. By default, the gui of a furnace is labeled blast furnace, but this name can be customized by naming it in an anvil before placing it, or by changing the customname tag using the data command. The blast furnace is around 30 metres high and lined with. The vast majority of steel manufactured in the world is produced using the basic oxygen furnace. Bala paramanathan1, manish wadhwa2 danieli corus 1bv, the netherlands danieli corus india pvt. Sealing valve bell less top blast furnace increasing productivity 623 problem identification the main problem arises in bell less top charging system is the blast furnace is failure of sealing valve. Blast furnace sizing considerations for incredible india dr. 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. Two large blast furnaces that began their operation in 2009 and 2011 respectively.
The rest of the blast furnaces have been upgraded to two pass stoves. Schematic diagram of a blast furnace for smelting iron 1. The blast furnace iron production technology student. Iron ore, haematite often contains sand with iron oxide, fe2o3. Iron ores such as haematite contain ironiii oxide, fe 2o 3. Just a labelled diagram of the blast furnace which can be stuck into their books. A simplified diagram of a blast furnace is drawn below a typical blast furnace may be up to 32 metres in height and 10 metres in diameter they have thick steel sides, lined with refractory bricks, to ensure that heat is not lost. In british english, a furnace is an industrial furnace used for many things, such as the extraction of metal from ore or in oil refineries and other chemical plants, for example as the heat source for fractional distillation columns. For new turnkey installations of any capacity as well as for plant rebuilds, the modern blast furnace designs produced by paul wurth are based on the concept of a freestanding unit with a surrounding building structure, providing access to the. The blast furnace worksheet for 9th 12th grade lesson.
The purpose of a blast furnace is to reduce and convert iron oxides into liquid iron called hot metal. Fuel is also used at double the rate of regular furnaces, so the number of items smelted per fuel stays the same. Sealing valve bell less top blast furnace increasing. Blast furnaces are also called high ovens a blast furnace is usually built with a steel case and bricks made of magnesia inside the case. Iron blast furnace is a vertical shaft, which is used to melt the iron ore and to produce hot metal by heat exchange and chemical reaction. The raw ore is removed from the earth and sized into pieces that range. 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. On the diagram below of the blast furnace, just click on the labels for a more detailed description. Blast furnace design ironmaking our activities site. Blast furnaces are used to produce pig iron from iron ore for subsequent. M m blast furnace 3036 mva 11kv220kv, dyn11 power transformer. An excellent revision and afl worksheet that i have used for my lower ability year 10s.
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