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Steel - Basic oxygen steelmaking | Britannica

Steel - Basic oxygen steelmaking: More than half the world’s steel is produced in the basic oxygen process (BOP), which uses pure oxygen to convert a charge of liquid blast-furnace iron and scrap into steel The basic oxygen furnace (BOF) is a refractory-lined, tiltable converter into which a vertically movable, water-cooled lance is inserted to blow oxygen through nozzles at supersonic ....

Basic Oxygen Steelmaking - Primary steelmaking 3D Model

The purpose of the Basic Oxygen Steelmaking (BOS) process is to refine the hot metal produced in the blast furnace into raw liquid steel, which may be subsequently refined in the secondary steelmaking shop The main functions of the Basic Oxygen Furnace (BOF) are to decarburize and remove phosphorus from the hot metal, and to optimize the steel temperature so that any further treatments ,...

Basic Oxygen Furnace Gas Recovery and Cleaning System ,

May 20, 2013· Basic Oxygen Furnace Gas Recovery and Cleaning System During the process of steel making in the basic oxygen furnace (BOF), oxygen is blown in the charge mix and due to chemical reactions taking place in the vessel, a large amount of gas at high temperature and rich in carbon mono oxide (CO) comes out through the mouth of the converter...

A review of phosphorus partition relations for use in ,

A review of phosphorus partition relations for use in basic oxygen steelmaking Phillip B Drain ∗ 1,2, Brian J Monaghan , Guangqing Zhang , Raymond J Longbottom1,2, Michael W Chapman1,3 and Sheng J Chew1,3 Phosphorus removal in basic oxygen...

BASIC OXYGEN STEEL MAKING CONVERTER LIVES (2000 TO ,

BASIC OXYGEN STEEL MAKING CONVERTER LIVES (2000 TO 40,000) D L Amoss Vesuvius 1 Abstract BOF converter life, reliability and costs are vital to the smooth operations of Steel plants Worldwide In many ways the techniques of Primary Steel making were neglected in favour of Secondary processes but with these developments logistics and the ....

Steel - Primary steelmaking | Britannica

Steel - Primary steelmaking: In principle, steelmaking is a melting, purifying, and alloying process carried out at approximately 1,600° C (2,900° F) in molten conditions Various chemical reactions are initiated, either in sequence or simultaneously, in order to arrive at specified chemical compositions and temperatur Indeed, many of the reactions interfere with one another, requiring ....

Basic Oxygen Steelmaking - YouTube

Nov 14, 2016· The purpose of the Basic Oxygen Steelmaking (BOS) process is to refine the hot metal produced in the blast furnace into raw liquid steel, which may be subsequently refined in the secondary ....

Lecture 4: Slag in steelmaking Contents

Lecture 4: Slag in steelmaking Contents: Preamble The role of slag in steelmaking , • In electric steelmaking slag prevents the radiation of heat of arc to the wails of the furnace and , These acidic oxides can accept one or several oxygen ions Basic oxides like CaO, MgO, Na ....

History of Basic Oxygen Steelmaking | ispatguru

Dec 16, 2015· History of Basic Oxygen Steelmaking Basic oxygen steelmaking (BOS) is the process of making steel by blowing pure oxygen (O2) in a liquid metal bath contained in a vessel which is known as basic oxygen furnace (BOF), LD converter, or simply converter The history of steelmaking began in the 19th century, when Reaumur of France in 1772, Kelly of the United States in 1850 and Bessemer ,...

STEELUNIVERSITY BASIC OXYGEN STEELMAKING IMULATION

Dephosphorization during the latter part of the basic oxygen steelmaking process is very important because the conditions are favorable compared to other processes within primary and secondary steelmaking It is therefore critical to maintain a slag composition that improves the phosphorus removal...

Steel making - SlideShare

Jan 09, 2013· CONTROL OF INGOT STRUCTURE The final structure of an ingot is entirely determined by the degree of deoxidation carried out prior to solidification of steel in a mould The residual oxygen in the steel at the end of refining is determined by the steel making practice and the type of steel produced For a given type of steel the steel making and ....

S12 Projected Capacitive Touchscreen and Basic Oxygen ,

Nov 24, 2017· S12 Projected Capacitive Touchscreen and Basic Oxygen Furnace Steelmaking An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author...

Basic oxygen steelmaking : Wikis (The Full Wiki)

Basic oxygen steelmaking (BOS, BOF, Linz-Donawitz-Verfahren, LD-converter) is a method of primary steelmaking in which carbon-rich molten pig iron is made into steel The LD-converter is named after the Austrian placenames Linz and Donawitz (a district of Leoben) The vast majority of steel manufactured in the world is produced using the basic ....

The Making of Iron & Steel - SEAISI

more modern "basic oxygen steelmaking" (BOS) and "electric arc furnace" (EAF) process The BOS process uses pure oxygen, injected by a lance, for refining the relatively impure hot metal (and scrap is used for temperature control) The electric arc furnace uses primarily electrical energy to supply heat to melt scrap steel, sponge...

Nm3 X = 0541(d db db = 487 m Xi = 28 m 450 Nm /min

In bottom blown steelmaking, all oxygen is injected through the bottom tuyeres Though this technology provides efficient bath stirring and enhanced carbon removal, but it is difficult to distribute oxygen within the bath and also to control slag formation...

Industrial uses of slag—The use and re-use of iron and ,

INDUSTRIAL USES OF SLAG—THE USE AND RE-USE OF IRON AND STEELMAKING SLAGS 57 Introduction , furnace by specially designed slags prior to refining in a basic oxygen furnace, has reduced tap-to-tap time, lowered cost and produced steel of ,...

Basic oxygen steelmaking : Wikis (The Full Wiki)

Basic oxygen steelmaking (BOS, BOF, Linz-Donawitz-Verfahren, LD-converter) is a method of primary steelmaking in which carbon-rich molten pig iron is made into steel The LD-converter is named after the Austrian placenames Linz and Donawitz (a district of Leoben) The vast majority of steel manufactured in the world is produced using the basic ....

285 STEELMAKING PowerPoint PPTs on PowerShow

Video Clips for PowerPoint - Get Your Presentations Moving with CrystalGraphics Video Clips for PowerPoint! CrystalGraphics Video Clips for PowerPoint will instantly make your presentations look more professional and be more interesting And they can help ensure that everyone understands – and remembers – your key points...

Basic oxygen steelmaking reactions - Iron and steelmaking ,

This course handles the steel making process which is converting the hot metal formed in the ironmaking process into steel Hot metal pretreatment to decrease some of the impurities, and basic oxygen furnace (BOF) process to reach the required composition will be treated in detail Related reactions and technics are also introduced...

Basic oxygen steelmaking - Revolvy

Basic oxygen steelmaking ( BOS , BOP , BOF , and 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 steel Blowing oxygen through molten pig iron lowers the carbon content of the alloy and changes it into low-carbon steel The process is known as basic because fluxes of burnt ....

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 steel Blowing oxygen through molten pig iron lowers the carbon content of the alloy and changes it into low-carbon steel...

Basic oxygen steelmaking - UK Essays

To put it simply, basic oxygen steelmaking is a means of producing steel by using oxygen The word “basic” refers to the pH of the refractories lining the ladle interior, which are normally composed of calcium oxide or magnesium oxide4 This process is one of the worlds leading methods for producing steel, and since its implementation, many methods have developed which better utilize ....

Basic Oxyzen Steelmaking (BOS) - YouTube

Jan 07, 2011· Describe the Basic Oxyzen Steelmaking (BOS) One of state-of-art method to make steel from iron ore The other method is Electric Arc Furnace (EAF) Have fun...

Desulfurization of Steel | Steelmaking | Steel

Desulfurization Slag Slag from the primary steelmaking furnace (BOS/EAF) : 45% CaO - 23% FeO - 15% SiO2 - 8% MnO - 7% MgO 2% P2O5 Basic slag contains free oxygen ions encouraged by the presence of CaO and MgO Acid slags deficient in O2 and contain SiO2 and P2O5 The basicity (B) of ,...

Iron and Steelmaking - vsbcz

Iron and Steelmaking (Study Support) Prof Ing Jiří Bažan, CSc Doc Ing Ján Kret, CSc , 16 FUNDAMENTALS OF STEELMAKING TECHNOLOGY IN OXYGEN , o The student will be able to use basic theoretical knowledge and technological principles...

Steps in the Modern Steelmaking Process

Today, steel production makes use of recycled materials as well as traditional raw materials, such as iron ore, coal, and limestone Two processes, basic oxygen steelmaking (BOS) and electric arc furnaces (EAF), account for virtually all steel production...

PowerPoint プレゼンテーション - 3-5 April 2017

Solidification of metallurgical slags for higher added value applications-Separation of FeO and P 2 O 5 from steelmaking slags by solid phase precipitation - Takahiro MIKI, Tohoku University (Japan) 4th International Slag Valorisation Symposium | Takahiro MIKI...

Steel manufacture - SteelConstructioninfo

Two major steelmaking processes are used today in the UK Basic oxygen steelmaking Hot metal from the blast furnace and steel scrap are the principal materials used in Basic Oxygen Steelmaking (BOS) Modern furnaces, or ‘converters’ will take a charge of up to 350 tonnes and convert it into steel in around 15 minut...

Control of Slopping in Basic Oxygen Steelmaking

CONTROL OF SLOPPING IN'-BASIC OXYGEN STEELMAKING by ~-GEORGE K CUTHILL, BSc A Thesis Submitted to the School of Graduate Studies in Partial Fulfil~ent of the Requirements for the Degree Master of Engineering...

Steelmaking and Refining | Introduction to Chemistry

Secondary steelmaking uses scrap steel as the primary raw material Gases created during the production of steel can be used as a power source Primary Steelmaking Basic oxygen steelmaking is a method of primary steelmaking in which carbon-rich molten pig iron (the iron created in the blast furnace) is made into steel...