Home--->electric arc furnace iron making process ppt

  • Electric arc furnace SlideShare

    16-06-2013· ELECTRIC ARC FURNACEELECTRIC ARC FURNACE:An Electric Arc Furnace (EAF) is a furnacethat heats charged material by means of anelectric arc.Arc furnaces range in size from small unitsof approximately one ton capacity (used infoundries for producing cast iron products)up to about 400 ton units used for secondarysteelmaking

    Electric arc furnace SlideShare

    28-11-2014· Introduction: Electric Arc Furnace is a furnace that heats the charged material by mean of an electric arc. Arc Furnace range in size from small units of approximately one ton capacity up to 400 tons. industrial arc furnace can be heat up to 1800°C. Arc Furnace is different from induction furnace because charge material is directly exposed to an electric arc furnace, and the current in the furnace

    Presentation steel making SlideShare

    05-09-2015· The first electric arc furnaces were developed by Paul Héroult, of France, with a commercial plant established in the United States in 1907 • An electric arc furnace (EAF) is a furnace that heats charged material by means of an electric arc. Arc furnaces differ from induction furnaces in that the charge material is directly exposed to an electric arc, and the current in the furnace

    Manufacturing of steel SlideShare

    28-10-2014· • Modern electric arc furnaces can make up to 150 tonnes of steel in a single melt. • The electric arc furnace consists of a circular bath with a movable roof, through which three graphite electrodes can be raised or lowered. • At the start of the process, the electrodes are withdrawn and the roof swung clear.

    Electric Arc Furnace Steelmaking Process

    11-08-2020· The operation of adding molten iron or scrap steel to the electric furnace is the first step of the electric furnace steelmaking operation. 2. Slagging The operation of adjusting the slag composition, alkalinity, viscosity and reaction ability in steel and iron production.

    PPT The production of Iron and Steel PowerPoint

    Thus, iron ore mining is the process of extraction of metallic iron. The rocks are mixed with water and then undergo smelting process. Iron ores are used to produce iron, which in turn are used to produce steel. Iron ore mines are currently mined in more than 50 countries around the world. PowerPoint PPT presentation free to view

    Electric arc furnace offers steel production with lowered

    19-08-2020· The traditional method of steel production is based on blast furnace BOF route: iron ore is reduced and molten in a blast furnace using coke before refining in BOF converter. The coke burns and produces energy and the iron ore is reduced due to its reactions with carbon and carbon monoxide. This produces a large amount of carbon dioxide.

    Understanding Electric Arc Furnace Steel Making

    18-02-2015· Electric arc furnace (EAF) steel making technology is more than hundred years old. Though De Laval had patented an electric furnace for the melting and refining of iron in 1892 and Heroult had demonstrated electric arc melting of ferro alloys between 1888 and 1892, the first industrial EAF for steel making only came into operation in 1900.

    The Use of Hydrogen in the Iron and Steel Industry

    STEEL MAKING TECHNOLOGIES AND PROCESSES FOR IRON FEEDSTOCK BOF Basic Oxygen Furnace BF Blast Furnace SR Smelting Reduction EAF Electric Arc Furnace Scrap steel DRI Direct Reduced Iron 3 THE USE OF HYDROGEN IN THE IRON AND STEEL INDUSTRY.

    Manufacturing of steel SlideShare

    28-10-2014· • Modern electric arc furnaces can make up to 150 tonnes of steel in a single melt. • The electric arc furnace consists of a circular bath with a movable roof, through which three graphite electrodes can be raised or lowered. • At the start of the process

    12.5 Iron And Steel Production

    12.5.1.5 Steelmaking Process — Electric Arc Furnace Electric arc furnaces (EAF) are used to produce carbon and alloy steels. The input material to an EAF is typically 100 percent scrap. Cylindrical, refractory lined EAFs are equipped with carbon electrodes to be raised or lowered through the furnace roof. With electrodes retracted, the

    MIDREX Processes KOBELCO

    iron (hereinafter referred to as DRI ). The process reduces iron ore using a reforming gas made from natural gas. The DRI is used mainly as the raw material for electric arc furnaces (EAFs), as a clean iron source substitute for scrap iron. Pores are left behind in the DRI after oxygen has been removed. These pores, if filled with water, for

    Understanding Electric Arc Furnace Steel Making Operations

    18-02-2015· Electric arc furnace (EAF) steel making technology is more than hundred years old. Though De Laval had patented an electric furnace for the melting and refining of iron in 1892 and Heroult had demonstrated electric arc melting of ferro alloys between 1888 and 1892, the first industrial EAF for steel making only came into operation in 1900.

    The Use of Hydrogen in the Iron and Steel Industry

    STEEL MAKING TECHNOLOGIES AND PROCESSES FOR IRON FEEDSTOCK BOF Basic Oxygen Furnace BF Blast Furnace SR Smelting Reduction EAF Electric Arc Furnace Scrap steel DRI Direct Reduced Iron 3 THE USE OF HYDROGEN IN THE IRON AND STEEL INDUSTRY.

    Iron and Steel Manufacturing IFC

    In the BOF process, coke making and iron making precede steel making; these steps are not necessary with an EAF. Pig iron is manufactured from sintered, pelletized, or lump iron ores us-ing coke and limestone in a blast furnace. It is then fed to a BOF in molten form along with scrap metal, fluxes, alloys, and high-purity oxygen to manufacture

    Electric arc furnace offers steel production with lowered

    19-08-2020· Initially, the electric arc furnace will be used mostly for melting steel scrap, says Jarmo Lilja, Process Development Manager at the Raahe steel mill. The manufacture of hydrogen-reduced sponge iron is set to begin at a demonstration plant in 2026 and the location of

    ELECTRIC ARC FURNACE AC (PART 2) The Raw Materials

    26-08-2019· 1. INTRODUCTION Through this report we are going to explain in details the most common raw materials used in the Electric Arc Furnace (AC) based on the latest available technologies.

    DC ARC FURNACES PAST, PRESENT, AND FUTURE

    DC ARC FURNACES PAST, PRESENT, AND FUTURE Rodney T. Jones Mintek; 200 Malibongwe Drive, Private Bag X3015, Randburg, 2125, South Africa Keywords: Pyrometallurgy, DC arc furnace, electric arc, smelting Abstract DC arc furnaces were first used industrially for the reductive smelting of chromite fines to produce ferrochromium thirty years ago.

    Electric Arc Furnace vs. Blast Furnace Steel Supply, L.P.

    11-09-2020· Electric arc furnace. making it more efficient. Another benefit of using the EAF process is that all types of steel can be created. Melts iron ore and coke so it can produce pig iron high in carbon content and this is then is fed into a converter to remove impurities.

    Developments in Electric Arc Furnace Steelmaking

    Electric Arc Furnace (EAF) Steelmaking technology became 100 hundred years old in the year 2000. Though De Laval had patented an electric fumace for melting and refining iron in 1892 and Heroult had demonstrated electric arc melting of ferro-alloys betvleen 1888 and 1892, the first industrial EAr steelmaking operations only came into

    Electric arc furnace offers steel production with lowered

    19-08-2020· Initially, the electric arc furnace will be used mostly for melting steel scrap, says Jarmo Lilja, Process Development Manager at the Raahe steel mill. The manufacture of hydrogen-reduced sponge iron is set to begin at a demonstration plant in 2026 and the location of

    Low-Carbon Production of Iron & Steel: Technology

    08-03-2021· Electric Arc Furnace (EAF): This steel making process using electric arc to heat charged materials such as pig iron, steel scraps, and DRI product (also referred as sponge iron) with electricity as the only energy source.

    Steel manufacture SteelConstruction.info

    Modern electric arc furnaces can make up to 150 tonnes of steel in a single melt. The electric arc furnace consists of a circular bath with a movable roof, through which three graphite electrodes can be raised or lowered. At the start of the process, the electrodes are withdrawn and the roof swung clear.

    ELECTRIC ARC FURNACE AC (PART 2) The Raw Materials

    26-08-2019· 1. INTRODUCTION Through this report we are going to explain in details the most common raw materials used in the Electric Arc Furnace (AC) based on the latest available technologies.

    Electric Arc Furnace Electrical4U

    24-02-2012· Electric Arc Furnace means an extremely hot enclosed space, where heat is produced by means of electrical arcing for melting certain metals such as scrap steel without changing electro-chemical properties of the metal. Here, electric arc is produced between the electrodes. This electric arc is used for melting the metal.

    Steel making (introduction) [SubsTech]

    31-05-2012· The electric-arc furnace employs three vertical graphite electrodes for producing arcs, striking on to the charge and heating it to the required temperature. As the electric-arc furnace utilizes the external origin of energy (electric current), it is capable to melt up to 100% of steel scrap.

    DC ARC FURNACES PAST, PRESENT, AND FUTURE

    DC ARC FURNACES PAST, PRESENT, AND FUTURE Rodney T. Jones Mintek; 200 Malibongwe Drive, Private Bag X3015, Randburg, 2125, South Africa Keywords: Pyrometallurgy, DC arc furnace, electric arc, smelting Abstract DC arc furnaces were first used industrially for the reductive smelting of chromite fines to produce ferrochromium thirty years ago.

    Electric Arc Furnace vs. Blast Furnace Steel Supply, L.P.

    11-09-2020· Electric arc furnace. making it more efficient. Another benefit of using the EAF process is that all types of steel can be created. Melts iron ore and coke so it can produce pig iron high in carbon content and this is then is fed into a converter to remove impurities.

    steel Electric-arc steelmaking Britannica

    16-06-2021· steel steel Electric-arc steelmaking: About one-quarter of the world’s steel is produced by the electric-arc method, which uses high-current electric arcs to melt steel scrap and convert it into liquid steel of a specified chemical composition and temperature. External arc heating permits better thermal control than does the basic oxygen process, in which heating is accomplished by the

    Modeling of Electric Arc Furnaces (EAF) with

    2.1 Electric arc furnace In steel industry, integrated steel mill and electric arc furnace (EAF), referred to as mini-mill, are two steel production routes. In integrated mill, iron ore is the primary raw material which is charged to blast furnace (BF), whereas mini-mill is charged by almost 100% scrap.

    Electric arc furnace offers steel production with lowered

    19-08-2020· Initially, the electric arc furnace will be used mostly for melting steel scrap, says Jarmo Lilja, Process Development Manager at the Raahe steel mill. The manufacture of hydrogen-reduced sponge iron is set to begin at a demonstration plant in 2026 and the location of

    Electric Arc Furnace Electrical4U

    24-02-2012· Electric Arc Furnace means an extremely hot enclosed space, where heat is produced by means of electrical arcing for melting certain metals such as scrap steel without changing electro-chemical properties of the metal. Here, electric arc is produced between the electrodes. This electric arc is used for melting the metal.

    ELECTRIC ARC FURNACE AC (PART 2) The Raw Materials

    26-08-2019· 1. INTRODUCTION Through this report we are going to explain in details the most common raw materials used in the Electric Arc Furnace (AC) based on the latest available technologies.

    Low-Carbon Production of Iron & Steel: Technology

    08-03-2021· Electric Arc Furnace (EAF): This steel making process using electric arc to heat charged materials such as pig iron, steel scraps, and DRI product (also referred as sponge iron) with electricity as the only energy source.

    Modern Electric Furnace Steelmaking Association for

    This course covers safety, the basics of electrical and mechanical features of electric arc furnaces, refractories, and the role of raw materials. The program will explore the fundamentals of electric furnace steelmaking technology, the use of energy inputs, the steelmaking process, electrodes and environmental concerns for electric steelmaking.

    DC ARC FURNACES PAST, PRESENT, AND FUTURE

    DC ARC FURNACES PAST, PRESENT, AND FUTURE Rodney T. Jones Mintek; 200 Malibongwe Drive, Private Bag X3015, Randburg, 2125, South Africa Keywords: Pyrometallurgy, DC arc furnace, electric arc, smelting Abstract DC arc furnaces were first used industrially for the reductive smelting of chromite fines to produce ferrochromium thirty years ago.

    The sequence of making steel in an electric arc furnace

    The sequence of operations is similar to that in the BOS furnace, except that, after charging, the charge must be melted down.The furnace charge melts when an electric arc passes between the electrodes and the scrap metal. The temperature around the arc rises to 1200 o C and a 100 tonnes charge can be melted in about 60 minutes.. The four main stages are (roll over the highlighted word to see

    How Does an Electric ARC Furnace Work? Hunker

    Electric arc furnaces (or arc furnaces) are high-temperature furnaces that use high-voltage electric currents as their primary heating element. Invented in France in 1907, these furnaces are a crucial part of iron and steel recycling operations. They're featured in "mini-mills" that recycle iron scrap for reuse.

    steel Electric-arc steelmaking Britannica

    16-06-2021· steel steel Electric-arc steelmaking: About one-quarter of the world’s steel is produced by the electric-arc method, which uses high-current electric arcs to melt steel scrap and convert it into liquid steel of a specified chemical composition and temperature. External arc heating permits better thermal control than does the basic oxygen process, in which heating is accomplished by the

  •