Magang blast furnace slag
Waste heat recovery of blast furnace slag in moving bed:
2024年7月1日 Physical recovery of waste heat from blast furnace slag (BFS) by a moving bed is a promising solution The heat recovery of BFS is mainly achieved through gas–solid heat Blast furnace slag (BFS) is a secondary material generated during the process of producing iron in blast furnaces, prompting scholars to concentrate on its efficient management and broad Unlocking the potential: A comprehensive review on blast furnace Operation characteristic of superlarge blast furnace slag in China was summarized and the appropriate adjustment measures for better performance of BF were analyzed based on the Operation Characteristic of SuperLarge Blast Furnace Slag in China2023年7月21日 This technology reduces the formation of phosphates offshore and nitrogen oxides and protects the living environment near the coast Finegrained blast furnace slag is Comprehensive utilisation of blast furnace slag Taylor Francis
Phase Equilibrium Studies of the CaOMgOAl2O3
2023年4月19日 Slag plays important role in a blast furnace to produce highquality hot metal and maintain smooth operations Liquidus temperatures are the essential information of the slag to avoid the formation of the solid phase 2019年12月26日 It may have potential for application in the blast furnace ironmaking process with superhigh (> 80 pct) vanadium titanomagnetite A suitable slag composition was found Blast Furnace Ironmaking Process with SuperHigh TiO2 in the Slag In this study, the properties of BF slag have been experimentally investigated in the CaO–SiO 2 –Al 2 O 3 –MgO system from the aspects of phase equilibria, viscosity and sulphide capacity Properties of LowMgO Ironmaking Blast Furnace Slags JSTAGECentrifugal granulationassisted thermal energy recovery (CGATER) remains the leading technology for the iron and steel industry to enable the lowcarbon treatment of high steel research international Wiley Online Library
Physical and Chemical Characteristics of Blast Furnace, Basic
2000年3月18日 This study profiles the major and minor constituents of slag from each furnace type and reports the leachability of metals from slag under neutral and acidic conditions 2019年12月26日 To increase the utilization fraction of vanadium titanomagnetite in the blast furnace burden to > 80 pct, a new slag zone with high MgO was found The effect of the TiO2 content and MgO/CaO mass ratio on the viscosity and liquidus temperature of the high TiO2bearing blast furnace slag was investigated in the present work The results indicated that at a Blast Furnace Ironmaking Process with SuperHigh TiO2 in the Slag 2022年2月26日 Blast furnace slag can be processed into the following materials by various processes In China, blast furnace slag is usually processed into water slag, slag gravel, expanded slag and slag beadsWater slag is the process of What is Blast Furnace Slag and How to Process It?The chemical composition of a slag varies considerably depending on the composition of the raw materials in the iron production process Silicate and aluminate impurities from the ore and coke are combined in the blast furnace with a flux which lowers the viscosity of the slag In the case of pig iron production, the flux consists mostly of a mixture of limestone and forsterite or in some Ground granulated blastfurnace slag Wikipedia
Comprehensive utilisation of blast furnace slag Taylor Francis
2023年7月21日 112 The Lhasa method (RASA) The Lhasa method (RASA) water granulated slag treatment system was developed by Nippon Steel Pipe and the British trading company RASA and was first applied on blast furnace No 1 at Fukuyama Steel Works in Japan [Citation 4]The principle of the RASA method is that after the blast furnace slag has been water By converting low value aircooled blast furnace slag into a high value material for the cement/construction industry, this process turns a waste product into wealth We are partnering with Beijing MCC Equipment Research Design Corporation (MCCE) to commercialise the dry slag granulation technologyDry slag granulation: producing valuable byproducts from waste2020年11月29日 The synthetic slag containing 268 % CaO, 381 % SiO 2 , 118 % Al 2 O 3 , 236 % MgO, simulating composition of slag from MMK blastfurnace smelting with the addition of 30 % of burnt siderites FactSage Studies to Identify the Optimum Slag Regime for Blast Furnace 2024年1月11日 The results show that the chemical composition of magnesium slag mainly includes 5471% CaO, 2866% SiO2 and 1182% MgO, and the content of Al2O3 is much lower than that of granulated blast furnace slag Compared to granulated blast furnace slag, magnesium slag has a larger relative bridging oxygen number and higher [SiO4] polymerization degree Structural Characteristics and Cementitious Behavior of Magnesium Slag
Ground Granulated Blast Furnace Slag ScienceDirect
The use of groundgranulated blast furnace slag (GGBFS) or granulated blast furnace slag (GBFS) in concrete can be documented circa 1900 where slag was produced as “slag cement”; in the late 19th century and early 20th century, a significant portion of the cement in the United States sold as “portland cement” was actually “slag cement” (Eckel, 1902, 1905)2023年6月1日 The composition of the blast furnace slag changes depending on the ores, the type of fuel used and impurities in the coke, when it is used, among other factors (Oner and Akyuz 2007) Slag from industries that use charcoalfueled blast furnaces generally produce acidic slag while slag from cokefired furnaces generate basic slagUse of blast furnace slag in cementitious materials for pavements 2013年11月13日 This research examines the chemical activation of blastfurnace slag pastes with alkaline solutions by means of various characterization techniques Pastes were activated using sodium silicate solutions with modulus (Ms) of Structure, Mechanisms of Reaction, and Strength of an Alkali Ground granulated blast furnace slag is an ecofriendly material with regard to its production process and usage In this study, slag cement (SC) is used to prepare different slag cement mortar (SCM) mixes to study mortar microstructure perspectives, physiochemical properties, mechanical properties and durability performance The tests also included the evaluation of Microstructure and Durability of Ground Granulated Blast Furnace Slag
Ground Granulated Blast Furnace Slag SpringerLink
2011年1月1日 Ground granulated blast furnace slag (GGBS) is a byproduct from the blastfurnaces used to make iron Blastfurnaces are fed with controlled mixture of ironore, coke and limestone, and operated at a temperature of about 1,500#176;C When ironore, coke and2018年11月30日 The electrical conductivity of the CaOSiO2Al2O3MgOTiO2 slag was determined using the fourelectrode method The effect of the Al2O3 and Al2O3/SiO2 mass ratio on the electrical conductivity was studied At a fixed CaO/SiO2 ratio of 120, the electrical conductivity decreases with increasing Al2O3 from 16 mass pct to 24 mass pct because of the Transition of Blast Furnace Slag from Silicate Based to Aluminate Liquid blast furnace slag is processed into ground granulated blast furnace slag and used in the cement industry, where it replaces clinker burned from limestone, thus saving a muchused primary raw material This reduces the use of CO 2emitting processes in the cement industry, Using blast furnace slags sustainably thyssenkrupp SteelCement additives Johannes Fink, in Petroleum Engineer's Guide to Oil Field Chemicals and Fluids (Third Edition), 2021 Furnace slag A furnace slag cement slurry can have a density of 15001600 kg m −3A combination of silica flour and furnace slag may be used to achieve service temperatures exceeding 200 °C [100]A gas may be suitable as a foaming agent [101]Furnace Slag an overview ScienceDirect Topics
SLAG IRON AND STEEL IBM
Blast Furnace Slag In the blast furnace, the slag floating over molten pig iron (hot metal) is flushed out in slag pot and then sent to slag granulating plant or to cooling pits Depending upon the cooling process, three types of slags are generated, namely, aircooled slag, granulated slag and expanded slag Aircooled slag is produced by The type of steel furnace slag (SFS), including electric arc furnace (EAF) slag, basic oxygen furnace (BOF) slag, ladle metallurgy furnace (LMF) slag, and argon oxygen decarburization (AOD) slag, can significantly affect the composite properties when used as an aggregate or as a supplementary cementitious material in bound applications, such as concretes, mortars, alkali A Review of the Influence of Steel Furnace Slag Type on the2020年10月9日 Increased inplant recycling and lower quality raw material in terms of alkali content drive the alkali load in the blast furnace (BF) to higher levels Excessive load of alkalis, primarily potassium, has several negative effects on the BF operation, which necessitates means to control the removal of potassium from the BF One method to improve the removal is by The Quantitative Effect of Blast Furnace Slag Composition and 2024年11月15日 The primary purpose of analyzing the behavior of multiphase flow is to guide industrial production processes In the ironmaking industry, the interactions between slag, iron, and coke represent typical multiphase flow behavior [8], [9], which significantly impacts the stable operation of blast furnaces and the development of lowcarbon technologiesCowetting behavior of molten slag and iron on carbon materials
SlagForming in Blast Furnace Ironmaking SpringerLink
2023年6月10日 In the process of blast furnace ironmaking, Slagforming in blast furnace ironmaking is the solvent that interacts with the gangue in the ore and the ash of coke to dissolve, collect, and melt the substances that do not enter pig iron and gas, so that the liquid slag is formed In the blast furnace, slag and pig iron are formed at the same time2012年7月31日 Blast furnace (BF) slag, which is the main byproduct in the ironmaking process, contains large amounts of sensible heat To recover the heat, a new waste heatrecovery system—granulating molten Waste Heat Recovery from Blast Furnace Slag by 2021年9月7日 Ground granulated blast furnace slag (GGBS) is a glassy byproduct of hot metal production and has been used in blended cements for over 140 years [1,2,3,4]GGBScontaining binders and concretes have a lower CO 2 footprint, show a decreased heat development and an increased physical and chemical resistance [1, 3, 5,6,7,8]At high replacement levels, the short Glass structure of industrial ground granulated blast furnace slags 2024年2月26日 Steel slag and GBFS are wastes generated during the steel and iron smelting process, characterized by their considerable production rates and extensive storage capacities After grinding, they are often used as Feasibility of Preparing Steel Slag–Ground Granulated
An Overview of Utilization of Blast Furnace and Steelmaking Slag
2019年1月1日 [28] E Crossin, The greenhouse gas implications of using ground granulated blast furnace slag as a cement substitute, Journal of Cleaner Production, 95 (2015) 101–108 [29] D M Sadek, Effect of cooling technique of blast furnace slag on the thermal behavior of solid cement bricks, Journal of Cleaner Production, 79 (2014) 134–1412018年10月3日 Reuse of solid industrial wastes is an effective approach to develop lowcarbon construction materials This paper examines how two materials, steel slag (ST) and granulated blastfurnace slag (SL) impact the mechanical performance and pore structure of cementbased systems Analysis was done on the variations of the porosity, pore size, and pore volume Effect of Steel Slag and Granulated Blastfurnace Slag on the Former AHM blast furnace in Port of Sagunt, Valencia, Spain A blast furnace is a type of metallurgical furnace used for smelting to produce industrial metals, generally pig iron, but also others such as lead or copper Blast refers to the combustion air being supplied above atmospheric pressure [1]In a blast furnace, fuel (), ores, and flux are continuously supplied Blast furnace Wikipedia2024年1月1日 In 2022, global crude steel production reached 1,885,738 million tons, marking increase of 02 % compared to 2020 [1]Basicity oxygen furnace (BOF) slag and blast furnace slag (BFS), as prominent solid wastes in the steel industry, have seen rising emissions, which negatively affects the development of the steel industry [2]Notably, the application of steel Synergistic treatment of blast furnace slag and basic oxygen furnace
Effect of BaO and MnO on hightemperature properties and structure of
2021年11月1日 The operation of the blast furnace requires a reasonable slag composition to ensure the smooth operation of the blast furnace However, at present, the systematically study of the viscosity, melting performance and slag structure of the CaOSiO 2 MgOAl 2 O 3 BaOMnO slag system is still limited2024年1月1日 In the process of blast furnace ironmaking, Slagforming in blast furnace ironmaking is the solvent that interacts with the gangue in the ore and the ash of coke to dissolve, collect, and melt the substances that do not enter pig iron and gas, so that the liquid slag is formed In the blast furnace, slag and pig iron are formed at the same timeSlagForming in Blast Furnace Ironmaking SpringerLinkGranulated Blast Furnace Slag Granulated blast furnace slag is a glassy granular material that varies, depending on the chemical composition and method of production, from a coarse, popcornlike friable structure greater than 475 mm (No 4 sieve) in diameter to dense, sandsize grains passing a 475 mm (No 4) sieveBlast Furnace Slag Material Description User Guidelines for 2019年12月26日 To increase the utilization fraction of vanadium titanomagnetite in the blast furnace burden to > 80 pct, a new slag zone with high MgO was found The effect of the TiO2 content and MgO/CaO mass ratio on the viscosity and liquidus temperature of the high TiO2bearing blast furnace slag was investigated in the present work The results indicated that at a Blast Furnace Ironmaking Process with SuperHigh TiO2 in the Slag
What is Blast Furnace Slag and How to Process It?
2022年2月26日 Blast furnace slag can be processed into the following materials by various processes In China, blast furnace slag is usually processed into water slag, slag gravel, expanded slag and slag beadsWater slag is the process of The chemical composition of a slag varies considerably depending on the composition of the raw materials in the iron production process Silicate and aluminate impurities from the ore and coke are combined in the blast furnace with a flux which lowers the viscosity of the slag In the case of pig iron production, the flux consists mostly of a mixture of limestone and forsterite or in some Ground granulated blastfurnace slag Wikipedia2023年7月21日 112 The Lhasa method (RASA) The Lhasa method (RASA) water granulated slag treatment system was developed by Nippon Steel Pipe and the British trading company RASA and was first applied on blast furnace No 1 at Fukuyama Steel Works in Japan [Citation 4]The principle of the RASA method is that after the blast furnace slag has been water Comprehensive utilisation of blast furnace slag Taylor Francis By converting low value aircooled blast furnace slag into a high value material for the cement/construction industry, this process turns a waste product into wealth We are partnering with Beijing MCC Equipment Research Design Corporation (MCCE) to commercialise the dry slag granulation technologyDry slag granulation: producing valuable byproducts from waste
FactSage Studies to Identify the Optimum Slag Regime for Blast Furnace
2020年11月29日 The synthetic slag containing 268 % CaO, 381 % SiO 2 , 118 % Al 2 O 3 , 236 % MgO, simulating composition of slag from MMK blastfurnace smelting with the addition of 30 % of burnt siderites 2024年1月11日 The results show that the chemical composition of magnesium slag mainly includes 5471% CaO, 2866% SiO2 and 1182% MgO, and the content of Al2O3 is much lower than that of granulated blast furnace slag Compared to granulated blast furnace slag, magnesium slag has a larger relative bridging oxygen number and higher [SiO4] polymerization degree Structural Characteristics and Cementitious Behavior of Magnesium Slag The use of groundgranulated blast furnace slag (GGBFS) or granulated blast furnace slag (GBFS) in concrete can be documented circa 1900 where slag was produced as “slag cement”; in the late 19th century and early 20th century, a significant portion of the cement in the United States sold as “portland cement” was actually “slag cement” (Eckel, 1902, 1905)Ground Granulated Blast Furnace Slag ScienceDirect2023年6月1日 The composition of the blast furnace slag changes depending on the ores, the type of fuel used and impurities in the coke, when it is used, among other factors (Oner and Akyuz 2007) Slag from industries that use charcoalfueled blast furnaces generally produce acidic slag while slag from cokefired furnaces generate basic slagUse of blast furnace slag in cementitious materials for pavements
Structure, Mechanisms of Reaction, and Strength of an Alkali
2013年11月13日 This research examines the chemical activation of blastfurnace slag pastes with alkaline solutions by means of various characterization techniques Pastes were activated using sodium silicate solutions with modulus (Ms) of