modern blast furnace slag processing system



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CN201817499U

The utility model relates to the field of metallurgical ironmaking equipment in particular to a water processing system for blast-furnace slag granulation The water processing system for blast-furnace slag granulation comprises a condensing tower a granulator a dewatering drum a water collecting tank a sedimentation tank a lift pump a cooling tower a cold water tank a condensed water...

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Slag Granulation with Continuous Dewatering Ironmaking

and effective means of processing blast furnace slag in the world today is rated as Best Available Tech-nology Flexibility of the INBA system The system provides you with an installation of high flexibility independent from blast furnace opera-tions such as tapping time duration inter-cast gap time slag flow rates and many more...

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MODERN BLAST FURNACE IRONMAKING TECHNOLOGY

E A Mousa - Modern Blast Furnace Ironmaking Technology Potentials to Meet 73 Fig 1 Advances in the blast furnace to reduce the coke consumption 18 Parallel with the development of the top charging system the hot stoves system at the lower part of the shaft has undergone tremendous modification as can be seen in Fig 2 19...

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IRON AND STEEL

Iron is produced either by blast furnaces or by one of seve ral direct reduction proce sses blast furnaces however account for over 98 percent of total domestic iron production 5 The modern blast furnace consists of a refractory-lined steel shaft in which a charge is continuously added to the top through a gas seal The charge consists...

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Iron processing

Iron processing - Iron processing - Iron making The primary objective of iron making is to release iron from chemical combination with oxygen and since the blast furnace is much the most efficient process it receives the most attention here Alternative methods known as direct reduction are used in over a score of countries but less than 5 percent of iron is made this way...

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A Detailed Guide to Blast Furnace Install and Repairs

Jan 06 2021 0183 32 The blast furnace has the form of a huge vertical shaft whose purpose is to transform iron ore into pig iron origin spread and modern processes of the blast furnace Common problems with blast furnaces or iron escapes the unit A breakout can happen both at the hearth or the bosh of the furnace but those of liquid iron and slag are...

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Danieli corus ijmuiden

Our Blast Furnace design has the longest proven campaign-life capability at high productivity It is the only design for which process and equipment are not interdependent Modern Blast Furnace Design 108 Pulverized Coal Injection 110 Slag Granulation Systems 111 Steel Plant Model Sublance based process control systems C-Desulph...

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modern blast furnace slag processing system

modern blast furnace slag processing system modern blast furnace slag processing system 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...

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Dry Granulation of Blast Furnace Slag

Liquid slag produced in a blast furnace BF is at a temperature of around 1500 C and has a sensible heat of around 400Mcal/ton BF slag is rich in CaO SiO2 Al2O3 and MgO which are similar to the components of Portland cement When this liquid BF slag is cooled fast enough then the solidified slag has a large percentage of glassy phase with high cementations activity and hence it can be used...

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Computer System for Production Control of a Blast Furnace

Application of the developed system allows the engineering and process staff to analyze online production situations in the blast furnace plant to solve a number of process tasks related to...

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SDS Slag Detection System for Steel Making Process

The Slag Detection System SDS delivers improved yields higher-quality steel and reduces costly downstream processing...

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Blast Furnace and Process Description

Jul 12 2019 0183 32 Blast Furnace and Process Description - 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 reactionThe burden charge consisting of iron oxide flux and coke and it provides through the throat from the top of the furnace...

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Blast furnace slag granulation Climate Technology Centre

Blast furnace slag is a nonmetallic byproduct of the manufacture of pig iron in a blast furnace BFS consists primarily of silicates aluminosilicates and calcium-alumina-silicat BFS forms when slagging agents eg iron ore coke ash and limestone are added to the iron ore to remove impuriti...

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Hatch Ironmaking Technologies Dry Slag Granulation

Dry Slag Granulation Water granulation is the most commonly used method to handle blast furnace slag and requires a granulation and a dewatering step to process the slag In water granulation the energy in the slag is lost from water evaporation and cooling and is difficult or impossible to recover...

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Slag Atomising Technology SAT Strategic management of

Slag Atomising Technology SAT Slag Atomising Technology is a process that converts molten slag 1300-1350ºC into small spherical balls with a diameter range of 01 to 45mm The process consists of a high speed air blowing system with catalyst and water exposed to the stream of falling molten slag out of a tundish into the yard...

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Blast Furnace Slag Granulation / Ironmaking / Our

Slag handling is an important aspect of modern blast furnace operation Today blast furnace slag is a saleable product granulated slag sand used as CO 2-friendly substitute of clinker in cement production rather than a difficult and costly waste materialPaul Wurth has developed the INBA ® slag granulation process incorporating our proprietary dynamic INBA dewatering drum...

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Sustainability Free Full

Jan 02 2021 0183 32 γ-Dicalcium silicate γ-C2S is known for its strong carbonation reactivity by which it can capture atmospheric carbon dioxide CO2 thus it can be used in construction industri This paper aims to study the effects of γ-C2S on the properties of ground granulated blast-furnace slag GGBFS containing cement mortar and paste in natural and accelerated carbonation curing...

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Main Features of a Modern High Capacity Blast Furnace

Sep 20 2019 0183 32 Modern high capacity BFs operate with high blast temperature and low blast humidity by adjusting the amount of PCI to control the furnace temperature In many furnaces the blast temperature is stabilized at 1 230 deg C to 1 250 deg C and the moisture in blast is stabilized at 10 g/N cum to 15 g/N cum...

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DOC Blast Furnace Water Recirculation System Anunay

The blast furnaces appeared in the 14 th century and produced one tone per day Blast furnace equipment is in continuous evolution and modern giant furnace produce 13 000 tons per day Even though equipment is improved and higher production rates can be achieved the process inside the blast furnace remains same...

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Blast Furnace and Stoves Eurotherm by Schneider Electric

Blast furnace construction During the 1950s and the early 1960s UK blast furnaces compared favorably with those in other countri Hearth diameters in this period varied between 8 and 95 meters with capacities of 1 800 to 2 000 tones per day and working volumes of around 1 500 m The productivity of the blast furnace was expressed as...

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Processing of Granulated Blast Furnace Slag and its

The most common process for granulating blast furnace slag involves the use of high water volume high pressure water jets in direct contact with the molten blast furnace slag at a ratio of approximately 10 to 1 by mass The molten blast furnace slag is quenched almost immediately to form a material generally smaller than a 4 sieve...

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Computer System for Production Control of a Blast Furnace

Dec 24 2017 0183 32 Application of the developed system allows the engineering and process staff to analyze online production situations in the blast furnace plant to solve a number of process tasks related to control of heat gas dynamics and slag conditions of blast furnace smelting and to calculate the optimal composition of blast furnace slag which...

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Ceramic lined ground granulated blast furnace slag components

However slag volume depends on the quality of the raw materials used in the blast furnace and may range depending on production levels of a modern blast so the annual slag production could amount to more than 1Mt Efficient processing of blast furnace slag into a product suitable for further use is accomplished through a slag granulation plant...

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Modern Blast Furnace Slag Processing System

Modern Blast Furnace Slag Processing System 2020-12-10T22 12 36 00 00 Mobile Crushers Stationary Crushers Grinding Mill Washing Screening Ore Beneficiation Primary mobile crushing plant Independent operating combined mobile crushing station Mobile secondary crushing plant...

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5 Blast Furnace Detailspptx

Blast Furnace Refractories Between the outer steel shell and the inner working volume of the furnace there is a thick refractory lining which protects the steel shell The lining life determines the duration of one non-stop campaign The major causes of failure of the lining are the following Carbon monoxide attack Action of alkali and other vapours High temperature Abrasion by moving solid...

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Numerical Analysis on Flow Behavior of Molten Iron and

ResearchArticle Numerical Analysis on Flow Behavior of Molten Iron and Slag in Main Trough of Blast Furnace during Tapping Process LiWang 1 Chien-NanPan 2 andWen...

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TPT Dry Granulation of Blast Furnace Slag for Heat Recovery

Without the need of an upstream drying system for the blast furnace slag energy and as a consequence CO 2 can be saved In summary dry granulation of blast furnace slag allows an environmental friendly and sustainable subsequent processing for one of the last big heat recovery potentials at a modern blast furnace Research Modeling and Simulation...

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NATIONAL SLAG ASSOCIATION

NATIONAL SLAG ASSOCIATION nationalslagassocorg CEMENTITIOUS APPLICATIONS OF GROUND IRON BLAST FURNACE SLAG by Donald W Lewis Chief Engineer ACI Convention March 8 1984 IRON BLAST-FURNACE SLAG In the process of extracting iron from ores a blast furnace is charged with the ores flux stones and coke...

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Modern Blast Furnace Ironmaking An Introduction

Modern Blast Furnace Ironmaking An - 164 pag 0 Reviews Title Page -- Preface -- Contents -- List of Symbols and Abbreviations -- Introduction of the Blast Furnace Process -- What is driving the furnace -- The equipment -- Book overview -- The Blast Furnace Contents and Gas Flow -- The generation of gas and gas flow through the burden...

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