production of pigiron in an electricarc furnaceppt

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How to Manufacture Pig Iron: How Pig Iron is made?

The capacity of old blast furnaces was around 15000 kN of pig-iron per day The capacity of present day modern blast furnaces has gone upto 100000 or more kN of pig-iron per day Other Methods Of Pig-Iron Manufacture: In modern age, the attempts are made to modify it or to adopt new methods of manufacturing pig-iron mainly for two reasons:...

Ppt Electric-arc-furnace | Powerpoint Presentations and ,

Engineering Materials 451927 PPT Presentation Summary : Electric furnace Both are used to produce carbon and alloy steels Steel-making Accounts for almost 70% of steel production in ,...

Manufacture of Iron & Steel

Electric Arc Furnace • Tea-kettle shaped with a spout on one end • The steel outer shell of the furnace is lined with heat resistant refractory bricks • The roof pivots and swings aside so the raw material can be loaded into the furnace • Three retractable graphite electrodes 2 feet in ,...

(PPT) Ppt on steel making | Sapan Kansara - Academiaedu

Ppt on steel making Production of Iron and Steel fRaw Materials for Production Iron Ore Limestone ---------- Coke fIron Ore Abundant, makes up 5% of earth’s crust Is not found in ‘free state’, must be found in rocks and oxides, hence Iron ore After mining, the ore is crushed and the iron is separated, then made into pellets, balls or ....

Electric Smelting in Southern Africa - Mintek

DC arc furnace for FeCr production •However, another four 72MW furnaces are under construction in Kazakhstan , •Ilmenite is smelted to produce titania slag and pig iron •Problem to be solved: Find alternative equipment in which to produce a very , RTJones-ElectricSmeltingppt...

Iron and Steel Manufacturing

process, the iron from the blast furnace is con-verted to steel in a basic oxygen furnace (BOF) Steel can also be made in an electric arc furnace (EAF) from scrap steel and, in some cases, from direct reduced iron BOF is typically used for high-tonnage production of carbon steels, while the EAF is used to produce carbon steels and low-...

Energy and exergy analysis of a basic oxygen furnace

the blast furnace where it is mixed with coke, lime and blown air to produce pig iron The pig iron is conveyed to the reduction oven or as we can also name it the basic oxygen furnace where pure oxygen is injected to reduce pig iron in steel Steel is then molded into sheets, blocks and other forms through continuous casting and hot rolling...

General Introduction to Carbon and Alloy Steels

steel production by type of furnace and steel grade The Basic Oxygen Process (BOP) A sche­ matic representation of a basic oxygen furnace is shown in Fig 2 This arrangement consists of a large tiltable vessel lined with basic refractory material and the necessary accessory equipment After the furnace is charged with molten pig iron...

me3171ppt - IRON PRODUCTION The Blast Furnace The ,

Unformatted text preview: IRON PRODUCTION The Blast Furnace The purpose of a blast furnace is to chemically reduce and physically convert iron oxides into liquid iron called "hot metal"A blast furnace is something like 60m high and 75m in diameter at the base and may produce 2000 to ,...

ELECTRIC ARC FURNACE AC (PART 3) The Charging Phase

Sep 10, 2019· 1 OVERVIEW The charging phase of an Electric Arc Furnace represents the primary stage of the electric steelmaking process route as clearly shown in ,...

ELECTRIC ARC FURNACES - TENOVA

to 35 tons processing any metallic raw material scrap, DRI, HBI, pig iron, hot metal and even waste material such as skulls and beach iron Tenova Melt Shops Business Line supplies also tailor-made melting solution for special purposes such as the recovery of precious metals from waste and the production of ceramic materials Electric Arc Furnaces...

Enhancing Direct Reduced Iron (DRI) for Use in Electric ,

Production furnace size 50 tons per hour Cost savings compared to electric conversion (SAF/EAF) ~$10-15 per ton DRI It is envisioned that the DRI produced by shaft furnace would, in a second step, be melted inside an oxy-fuel fired furnace to produce pig iron or hot metal that can be used in steelmaking The furnace can be fired using natural gas...

Manufacturing Process For Pig Iron Industry Ppt

Production of Pig Iron by Using the Romelt Process In the iron and steel industry in the world there are currently two types of factories that produce ferrous metals There are socalled integrated plants which start from the extraction of iron ore from the mine to the final rolled products , Manufacturing Of Iron By Electric Arc Furnace In Ppt...

LECTURE NOTES ON IRON MAKING SUBJECT CODE: PCMT 4307

LECTURE-1 Introduction to Iron Making Introduction Iron is a chemical element with symbol Fe (from Latin: ferrum) and atomic number 26It is a metal in the first transition seri It is by mass the most common element on Earth, forming...

Overview of the Steel Production Process - Home - Springer

May 26, 2020· This paper derives from first principles simple relationships that can be used to compute energy requirements for the production of hot metal (pig iron) in a blast furnace (BF) or direct reduced iron (DRI) in a direct reduction furnace (DRF), and the transformation of hot metal and DRI into crude steel in a basic oxygen furnace (BOF) or electric arc furnace (EAF) with the addition of scrap ....

Energy and exergy analysis of a basic oxygen furnace

the blast furnace where it is mixed with coke, lime and blown air to produce pig iron The pig iron is conveyed to the reduction oven or as we can also name it the basic oxygen furnace where pure oxygen is injected to reduce pig iron in steel Steel is then molded into sheets, blocks and other forms through continuous casting and hot rolling...

Manufacturing Process For Pig Iron Industry Ppt

Production of Pig Iron by Using the Romelt Process In the iron and steel industry in the world there are currently two types of factories that produce ferrous metals There are socalled integrated plants which start from the extraction of iron ore from the mine to the final rolled products , Manufacturing Of Iron By Electric Arc Furnace In Ppt...

Introduction to Iron and Steel

Steel production Three types of furnaces have been used for refining pig iron (or scrap steel) to refined steel Open hearth (no longer used the US) Basic oxygen Electric arc 23 Iron-carbon phase diagram To refine steel from either scrap or pig iron, the amount of carbon must be carefully controlled In M&Z, Fig 32 shows a typical iron-...

ppt on steel makingppt - Production of Iron and Steel Raw ,

Raw Materials Pig Iron The three raw materials are dumped into a blast furnace Hot air (2000*F) is blasted into the furnace, which helps drive the chemical reaction The coke forms CO and the CO reduces the iron oxide to iron The slag floats to the top and the metal is transferred to molds and cools...

Pig Iron | International Iron Metallics Association

Pig iron is the product of smelting iron ore (also ilmenite) with a high-carbon fuel and reductant such as coke, usually with limestone as a flux Charcoal and anthracite are also used as fuel and reductant Pig iron is produced by smelting or iron ore in blast furnaces or by smelting ilmenite in electric furnaces ...

Use of asic Pig Iron in the Electric Arc Furnace (EAF) for ,

Use of asic Pig Iron in the Electric Arc Furnace (EAF) for Steelmaking • Steel production in the EAF continues to grow both in North America and worldwide The past 5 years have seen increases in the supply and use of Pig Iron, Direct Reduced Iron (DRI), and Hot riquetted Iron (HI) in the EAF...

Charge Calculations in Pyrometallurgical Processes

Converting Pig Iron Wrought or worked iron was the main malleable iron used in rails and structures until large scale, commercial production of steel It contained low amount of carbon (004 to 008%) and was worked by hand into bars and various shapes due to its malleability...

(PDF) Electric Arc Furnace | Jorge Madias - Academiaedu

Fig 1 Worldwide crude steel production (EAF vs total) 2005-2014 (worldsteel Associa- tion 2015) Table 1 Ten top producers of steel through electric arc furnace in 2014 (worldsteel As- sociation 2015) Country EAF production (t) United States 55,174,000 India 50,211,000 Electric arc furnace 3 China 49,938,000 Japan 25,679,000 South Korea ....

Electric arc furnace - SlideShare

Nov 28, 2014· Electric arc furnace 1 Electric Arc Furnace 2 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...

Steel production & environmental impact

The most common process is the use of a blast furnace to produce pig iron which is about 92-94% iron and 3-5% carbon with smaller amounts of other elements Pig iron has only limited uses, and most of this iron goes on to a steel mill where it is converted into various steel alloys by further reducing the carbon content and adding other ....

125 Iron And Steel Production

12515 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 ....

WO2007026192A1 - Production of ferroboron in direct ,

Ferroboron is produced in direct current electrical arc furnace by melting the charge (4) mixture, consisting of boron carrying raw materials (such as boron oxide, boric acid, borax and borax anhyrite), iron and iron oxide carrying raw materials (such as low silica hematite ores, iron oxide containing minimill wastes and metallic iron), charcoal as reductant and wood shavings (in order to ....

Electric Arc Furnaces vs Blast Furnaces - Mbrashem

Aug 22, 2017· Today, coke is used to melt the iron ore to create pig iron Oxygen is then used to further transform the pig iron into steel This process requires a continual supply of coke as well as very large furnaces that produce high CO2 emissions Electric Arc Furnac Electric arc furnaces (EAF) tend to be much smaller and more efficient in their ....

Iron making - SlideShare

Apr 19, 2012· Modern uses Today, pig iron is typically poured directly out of thebottom of the blast furnace through a trough into a ladlecar for transfer to the steel mill in mostly liquid form,referred to as hot metal The hot metal is then charged into a steelmaking vesselto produce steel, typically with an electric arc furnace orbasic oxygen furnace, by ....

ELECTRIC ARC FURNACES - TENOVA

to 35 tons processing any metallic raw material scrap, DRI, HBI, pig iron, hot metal and even waste material such as skulls and beach iron Tenova Melt Shops Business Line supplies also tailor-made melting solution for special purposes such as the recovery of precious metals from waste and the production of ceramic materials Electric Arc Furnaces...