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Iron making - SlideShare

Apr 19, 2012· The steel making process in the oxygen converterconsists of: Charging steel scrap Pouring liquid pig iron into the furnace Charging flux Oxygen blowing Sampling and temperature measurement Tapping the steel to a ladle De-slagging The iron impurities oxidize, evolving heat, necessary forthe process,...

OVERVIEW OF THE STEELMAKING PROCESS

Direct reduction Scrap Ladle (Refining) Electric arc furnace (Steelmaking) Iron Ore Pellets Electric Arc Furnace Steelmaking Continuous casting Design by Blisscommunication / Cover photo: ThyssenKrupp Steel / Tubes photo: Salzgitter The process shown above is illustrative only and is not designed to show the steelmaking process in detail...

Pig Iron Manufacturing Process - 911metallurgist

Mar 20, 2017· Making Pig Iron by Electric Furnace Five groups of experiments were made on the electric-furnace production of pig steel, arranged as below: Group I A series in which both limestone and coke were varied in the charge Group II A series in which the amount of coke in the charge was varied, other components remaining constant Group III...

Steps in the Modern Steelmaking Process

Aug 21, 2020· Ironmaking, the first step in making steel, involves the raw inputs of iron ore, coke, and lime being melted in a blast furnace The resulting molten iron—also referred to as hot metal—still contains 4-45% carbon and other impurities that make it brittle...

Steel Pickling: A Profile

furnace during iron-making Sintering is the process that agglomerates fine ore particles into a porous mass for input to the blast furnace This process was developed to make use of the coke fines, iron ore fines, and recovered blast furnace flue dust5 During ironmaking, molten iron is produced by reducing...

Production of iron and steel - SlideShare

Apr 27, 2015· 3 4/27/2015 3 Production of Iron & Steel Learning objectives: • Introduction, • Production of Pig – Iron process, • Steel Production Process, – Bessemer – Open hearth – LD (Linz Donawitz) converters – Electrical - Ultra High Power (UHP) ,...

CHAPTER-11 FUNDAMENTALS OF IRON ORE SINTERING

FUNDAMENTALS OF IRON ORE SINTERING R P Bhagat INTRODUCTION The process of sinter making originated from a need to make use of fines generated in mines and in ore benefiCiation plants With the development of sintering technology, a sintering plant has become a tremendous success for providing a phenomenal increase in...

Presentation steel making - SlideShare

Sep 05, 2015· Open hearth process • The open hearth process is a batch process and a batch is called a "heat" Heavy scrap, such as building, construction or steel milling scrap is added, together with pig iron from blast furnac • This process was known as the Siemens-Martin process, and the furnace as an "open-hearth" furnace 10...

Extraction of Iron | Metallurgy | Blast Furnace and Reactions

The extraction of iron from its ore is a long and subdued process, that helps in separating the useful components from the waste materials such as slag What happens in the Blast Furnace? The purpose of a Blast Furnace is to reduce the concentrated ore chemically to its liquid metal state...

(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 ....

What Is a Steel Casting? Casting Process

high volume production The material can be aluminum, iron, brass, bronze, etc Cast aluminum is the most commonly used material for medium volume requirements Metal patterns are also required for both cores and molds produced by the shell process Wax patterns are used in the investment, or lost wax, molding process...

How nail is made - material, manufacture, making, history ,

Two early nail-making machines were patented by Ezekial Reed of the United States in 1786 and Thomas Clifford of England in 1790 These machines cut tapered pieces from flat iron sheet, then flattened the head In rural areas, black-smiths continued to make nails from wrought iron ,...

Corex Process for Production of Iron – IspatGuru

Feb 22, 2017· Corex Process for Production of Iron satyendra; February 22, 2017; 0 Comments ; Corex gas, Corex process, Dome, DRI, export gas, Hot metal, Iron ore lump, Melter-Gasifier, non coking coal, pellets, Reduction furnace,; Corex Process for Production of Iron During the late twentieth century, several new initiatives have been taken for the development of the smelting reduction technology ,...

Corex Process for Production of Iron – IspatGuru

Feb 22, 2017· Corex Process for Production of Iron satyendra; February 22, 2017; 0 Comments ; Corex gas, Corex process, Dome, DRI, export gas, Hot metal, Iron ore lump, Melter-Gasifier, non coking coal, pellets, Reduction furnace,; Corex Process for Production of Iron During the late twentieth century, several new initiatives have been taken for the development of the smelting reduction technology ,...

Basic Concepts of Iron and Steel Making | SpringerLink

This book presents the fundamentals of iron and steel making, including the physical chemistry, thermodynamics and key concepts, while also discussing associated problems and solutions It guides the reader through the production process from start to finish, covers the raw materials, and addresses the types of processes and reactions involved ....

The Principle of Blast Furnace Operational Technology and ,

developments in blast furnace iron making Introduction Kobe Steel started operation as an integrated steel manufacturing company with the blowing-in of the No 1 blast furnace (BF) at the Kobe Works in 19591) We, as latecomers, faced an issue with burden materials, which forced us into high pellet ratio operation requiring central gas flow A...

FINEX (steelmaking process) - Wikipedia

FINEX is the name for an iron making technology developed by former Siemens VAI (now Primetals Technologies) and POSCOMolten iron is produced directly using iron ore fines and non-coking coal rather than traditional blast furnace methods through sintering and reduction with cokeElimination of preliminary processing is claimed to make the plant for FINEX less expensive to build than a blast ....

Steel Pickling: A Profile

furnace during iron-making Sintering is the process that agglomerates fine ore particles into a porous mass for input to the blast furnace This process was developed to make use of the coke fines, iron ore fines, and recovered blast furnace flue dust5 During ironmaking, molten iron is produced by reducing...

Basic oxygen steelmaking - Wikipedia

Basic oxygen steelmaking (BOS, BOP, BOF, or OSM), also known as Linz-Donawitz steelmaking or the oxygen converter process is a method of primary steelmaking in which carbon-rich molten pig iron is made into steelBlowing oxygen through molten pig iron lowers the carbon content of the alloy and changes it into low-carbon steelThe process is known as basic because fluxes of burnt lime or ....

Electric Arc Furnace (EAF) [SubsTech]

May 31, 2012· Dr Dmitri Kopeliovich Electric Arc Furnace (EAF) is a steel making furnace, in which steel scrap is heated and melted by heat of electric arcs striking between the furnace electrodes and the metal bath Two kinds of electric current may be used in Electric Arc Furnaces: direct (DC) and alternating (AC) Three-phase AC Electric Arc Furnaces with graphite electrodes are commonly used ,...

How Steel is Made Using the Basic Oxygen Steelmaking ,

pure oxygen to convert liquid iron and scrap into steel (Basic Oxygen Steelmaking) BOS is the most common and dominant primary steelmaking process used in the world today A primary steelmaking process refers to the actual process of taking the raw materials and converting them to steel (Steelmaking)...

th SEM B TECH DEPARTMENT OF METALLURGY AND ,

Alternate routes of iron making advantages of these process and ferro alloys 4 | P a g e MODULE -1 IMPORTANT DATA ABOUT IRON ROUTES OF IRON MAKING 5 | P a g e ANCIENT IRON MAKING Iron –carbon –phosphorus ternary system has lower mp then iron –carbon binary system...

Process - Iron Castings

As the iron travels down the molding line, the temperature gradually decreases from about 1,200 to 900 degrees Fahrenheit Temperature at this stage varies based on the size of the casting as well as the molding rate At the end of the mold line, castings enter a shakeout process where the molds are shaken off and the sand is recycled for reuse...

MIDREX Processes

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 example, can cause the iron to reoxidize with...

Sponge iron making process - SlideShare

Nov 09, 2014· Sponge iron making process 1 ALBERTUS SEPTYANTOKO 2712100014 2 IRON ORE • Iron = 65-67 % • SiO2 + Al2O3 = 2-3 % • CaO + MgO = 0,5-1 % • Sulphur = 0,02 % max • Phosphorus = 0,04 % max Chemical Composition • Size ,...

PPT – The production of Iron and Steel PowerPoint ,

Iron Ore Mining Market - Industry Insights, Drivers, Top Trends, Global Analysis And Forecast to 2027 - Iron ores are the rocks and minerals from which metallic iron is extracted Thus, iron ore mining is the process of extraction of metallic iron The rocks are mixed with water and then undergo smelting process...

steel - Casting of steel | Britannica

steel - steel - Casting of steel: The simplest way to solidify liquid steel is to pour it into heavy, thick-walled iron ingot molds, which stand on stout iron plates called stools During and after pouring, the walls and bottom of the mold extract heat from the melt, and a solid shell forms, growing approximately with the square root of time multiplied by a constant...

th SEM B TECH DEPARTMENT OF METALLURGY AND ,

Alternate routes of iron making advantages of these process and ferro alloys 4 | P a g e MODULE -1 IMPORTANT DATA ABOUT IRON ROUTES OF IRON MAKING 5 | P a g e ANCIENT IRON MAKING Iron –carbon –phosphorus ternary system has lower mp then iron –carbon binary system...

Period #5 Notes: Making Steel and Its Chemical Composition

2 Two-stage refinement of iron: A two-staged process is typically used to make steel from iron-ore First pig-iron is created from iron ore, and then steel is made from further refinement of pig-iron a Making Pig-Iron: The common industrial method to smelt (refine) iron ,...

Basic Concepts of Iron and Steel Making | SpringerLink

This book presents the fundamentals of iron and steel making, including the physical chemistry, thermodynamics and key concepts, while also discussing associated problems and solutions It guides the reader through the production process from start to finish, covers the raw materials, and addresses the types of processes and reactions involved ....

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