
Blast furnace slag wheel granulation device

Slag Granulation with Continuous Dewatering Ironmaking Paul
flexibility, independent from blast furnace operations, such as tapping time duration, intercast gap time, slag flow rates and many more The installation is designed for “online dewatering Paul Wurth has developed the INBA® slag granulation process, incorporating our proprietary dynamic INBA dewatering drum With about 300 references, it is the most popular and effective route of processing blast furnace slag in the world Blast Furnace Ironmaking Paul WurthOverview of blast furnace slag treatment process in China Currently, the water quenching granulation process and the dry granulation process are widely used in China The dry Comprehensive utilisation of blast furnace slag Taylor Francis 2023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
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Slag granulation systems for blast furnaces ResearchGate
2005年1月1日 An investigation is being conducted in this paper into Ground Granulated Blast Furnace Slag, named GGBFS shortly As well as highlighting its advantages and 2018年1月1日 To better understand the mechanism responsible for the centrifugal granulation of molten BF slag, and to achieve high granulation performance, in the present work, we propose Granulation characteristics of molten blast furnace slag by hybrid One object of the present disclosure is to provide an apparatus and method for granulation of a blast furnace slag and recycling of waste heat, by which full granulation of blastUSA1 Blast furnace slag granulation and waste heat 2016年10月24日 Compared with the existing various BFS granulation process, the dry granulation process can promote the use of blast furnace granulated slag as cement substitute Optimization for blast furnace slag dry cooling granulation device
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Dry Slag Granulation – The Future Way to Granulate Blast Furnace
2023年9月6日 The substitution of cement clinker by blast furnace slag sand is an attractive economic alternative for the cement industry, because it reduces energy costs and improves of granulation tanks and/or INBA dewatering drums adapted to your furnace design and requirements Blowing Box Jet Slag Granulation Area: Granulation Tank Blowing Box The slag granulation area links the hot slag runner of the blast furnace and the INBA dewatering system This link is directly accomplished through the use of a granulation tankSlag Granulation with Continuous Dewatering Ironmaking2018年1月1日 Molten blast furnace (BF) slag is one of the main byproducts in the ironmaking process, and has a yield of 300 kg/tpig iron [1]The heat contained in molten BF slag (1500 °C) reaches up to 1600 MJ/tGlobally, the production of pig iron was nearly 1153 million t in 2015 [2], and about 3456 million t of BF slag were producedThe total energy carried by molten BF slag Granulation characteristics of molten blast furnace slag by 2016年10月24日 Optimization for blast furnace slag dry cooling granulation device Sheng Dazhan 1, Wang Yali 1, Wang Ruiyun 1, Cui Suping 1 and Ma Xiaoyu 1 Published under licence by IOP Publishing Ltd IOP Conference Series: Materials Science and Engineering, Volume 182, 17th IUMRS International Conference in Asia (IUMRSICA 2016) 20–24 October 2016, Optimization for blast furnace slag dry cooling granulation device

A Review of Granulation Process for Blast Furnace Slag
42 Air blast method High speed and high pressure air plays a pivotal role to discharge the molten slag with a rapid cooling in this process, along with absorbing the sensible heat [4]proposed a rotary cup blast furnace slag centrifugal granulation and waste heat recovery system, which has a compact structure, high heat recovery efficiency and neat slag particles Subsequently, Mizuochi et al [2]also conducted cold experiments on three cup types: flat discs, blade discs and wheel discs The results showed that the Numerical simulation analysis centrifugal blast furnace slag2012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 Chemical 2024年11月1日 The test bench primarily consists of three parts: an induction furnace, a granulation device, and a discharge device The blast furnace slag used in the experiments was sourced from Shanxi, and the chemical composition of Optimizing heat transfer and solidification crystallization in dry
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Blast Furnace Slag an overview ScienceDirect Topics
Slag processing George C Wang, in The Utilization of Slag in Civil Infrastructure Construction, 2016 53 Blast furnace slag processing Iron blast furnace slag results from the fusion of iron ore, fluxing materials, and coke; the reduction reactions; and the separation of iron from the ore As indicated in Chapter 2, the term blast furnace slag is used often to refer to iron blast furnace 2021年8月1日 A large number of byproducts such as dust, sludge and slag can be generated during the production of iron and steel [3]As reported by the World Steel Association, the mass of slag accounts for 90 % of the total solid byproducts produced (Fig 2)The temperature of the discharged blast furnace slag (BF slag) is between 1450 ° C and 1650 ° C, which carries a Research status of centrifugal granulation, physical heat recovery Experimental study on granulation of blast furnace slag by gas quenching[J] Journal of Northeastern University (Natural Science), 2020,41(2):212−216 (康月, 刘超, BSC rotary cup granulation device; Figure 2 Granulation and fragmentation in filamentous mode; Figure 3 Schematic diagram of the experimental equipment;Experimental and simulation on the granulation process of blast furnace Disclosed are an apparatus and a method for granulation of a blast furnace slag and recycling of waste heat The apparatus comprises an aerosol granulation nozzle module, a flow guide, a cyclone separator and a waste heat recovery device; wherein the aerosol granulation nozzle module comprises a slag flow controller, a compressed air flow control valve, a water volume BLAST FURNACE SLAG GRANULATION AND WASTE HEAT

Blastfurnace slag ScienceDirect
2018年1月1日 Blast furnace slag (BFS) which is defined “as the nonmetallic product consisting essentially of silicates and alumina silicates of calcium and other bases, that is developed in a molten condition simultaneously with iron in a blast furnace” by ASTM C 12516 (2016) has been widely used in construction industry for more than 80 years When the mixture of ironore, 2012年7月1日 DOI: 101016/JAPPLTHERMALENG201201063 Corpus ID: ; Cold experiments on ligament formation for blast furnace slag granulation @article{Liu2012ColdEO, title={Cold experiments on ligament formation for blast furnace slag granulation}, author={Junxiang Liu and Qingbo Yu and Peng Li and Wenya Du}, journal={Applied Thermal Cold experiments on ligament formation for blast furnace slag granulation2013年5月5日 Fig 4 Schematic diagram of a slag granulation plant Granulation section – Here, the liquid BF slag is water quenched and solidified into small particles, eliminating the need for heavy crushing equipment The liquid slag flows by runners from the BF to the granulation unit From the runner, the liquid slag stream at around 1,500 deg C is poured into a high velocity Blast Furnace Slag Granulation at the Cast House – IspatGuru2023年9月6日 Dry Slag Granulation – The Future Way to Granulate Blast Furnace Slag Fleischanderl A1, Fenzl T 2, Neuhold R 3 1Primetals Technologies Austria GmbH Turmstrasse 44, Linz, Austria, 4031 Phone: +43 732 6592 77125 : alexanderfleischanderl@primetalsDry Slag Granulation – The Future Way to Granulate Blast Furnace Slag

Numerical Simulation of Internal Flow Field in Blast Furnace Slag
2019年1月1日 At the present molten slag from a blast furnace (BF) is granulated by impinging much water without any recovery of its much sensible heat (1 823 K), polluting water and atmosphere2012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 BF slag by rotary multinozzles cup atomizer and pyrolyzing printed circuited board with obtained hot BF slag particle—was proposed in this study The feasibility Waste Heat Recovery from Blast Furnace Slag by Chemical 2005年1月1日 Slags formed in blast furnaces contaminate environment However, granulation of the slags makes it possible to produce valuable building materialSlag granulation systems for blast furnaces ResearchGate2024年11月1日 As the largest output of solid waste in the ISI, the production of blast furnace slag (BFS) by the blast furnace method exceeded 1279 billion tons with extremely high temperature of 1500–1600 ℃ based on the global iron production estimation in 2022 (Duan et al, 2024b)The slag contained total residual waste heat of 755×10 8 GJ, equivalent to 2777 Breaking boundaries in slag waste heat recovery: Review and
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Cold experiments on ligament formation for blast furnace slag granulation
2012年7月1日 1 Introduction Currently, blast furnace slag, which is emitted at temperatures ranging from 1450 to 1650 °C, is treated by water quenching, and the heat of the slag is not recovered, despite the large heat content of molten slagMoreover, large amounts of energy are consumed during water quenching, and harmful waste is discharged into the environment21 Governing Equations of Molten Slag Flow and Granulation on a Rotary Disc The DCG process of molten slag is simulated with a threedimensional simulation program which is based on the VOlume of Fluid (VOF) scheme 12) In this scheme, the fluid flow including molten slag and surrounding gas is described by the momentum and continuity equations, and the transient Modeling on Dry Centrifugal Granulation Process of Molten Blast Furnace The main challenge of the steel industry for the next decade is the steel production transformation process, starting in Europe The CO 2 intensive blast furnace/basic oxygen furnace (BOF) route will be substituted by a combination The steel production transformation process in Europe: 2015年11月3日 As a valuable byproduct of ironmaking process, blast furnace slag contains tremendous amount of sensible heat Granulation of blast furnace slag is the first step for its heat recovery Due to environmental and energy issues, dry centrifugal granulation has received a considerable amount of attention However, the flight dynamics of blast furnace slag, which is [PDF] Flight Dynamics and Sensible Heat Recovery of Granulated Blast

A review of waste heat recovery technologies towards molten slag
2013年12月1日 Blast furnace slag (BF slag) is produced in ironmaking process and accordingly, steel slag is produced in steelmaking process In China, liquid pig iron production reached 642 million tonnes by 2011 and 193 million tonnes of BF slag was produced [4] with a generation rate of about 03 tonne per tonne of liquid pig ironPaul Wurth has developed the INBA® slag granulation process, incorporating our proprietary dynamic INBA dewatering drum With about 300 references, it is the most popular and effective route of processing blast furnace slag in the world today The process is highly flexible; and the compact subplant can be applied to any furnace configurationBlast Furnace Ironmaking Paul Wurthis a 10 MTPA Integrated steel plant At present four numbers blast furnace is installed in this plant BLAST FURNACE #1 having a capacity of 09 MTPA, BF#2 16 MTPA, BF#33 MTPA and BF#43 MTPA In the process of iron making, slag is a by product of blast furnace operation Presently slag granulated and disposing to the ground nearby blast furnaceIncreasing the Efficiency of Slag Granulation Plant in Blast FurnaceMolten slags of blast furnace is a second resources with great value of 1600~1 800 MJ sensible heat per ton At present, waterquenching process plays a leading role in recovering waste heat of the molten slags However, this method not only cost lots of water, but also recover little sensible heat and can pollute the surrounding environment Dry granulation process, as an A Review of Granulation Process for Blast Furnace Slag

Dry Slag Granulation Investigations on the Behaviour of Liquid Blast
Blast furnace slag is well known as byproduct of hot metal production in integrated steel and iron mills About 300 million tons of this slag is produced, based on a worldwide production of approximately 1100 million tons of hot metal per year State of the art systems cool down the liquid blast furnace slag rapidly by using lots of waterbased on experimental testbed of blast furnace slag waste heat recovery,on the changes of the key parameters such as blast furnace slag discharged temperature,the speed of the granulation device,which impactes on the results of particle diameter distribution and sphericity coefficient,so as to master the best operating parameters of the blast furnace slag dry centrifugal Experimental Study of Dry Centrifugal Granulation of Molten Blast Slag 2017年1月7日 Baotou steel blast furnace slag was used as the main raw material to prepare CaOMgOAl2O3SiO2 system glassceramics by melting method The crystallization kinetics of the parent glass was (PDF) Process and Equipment Design for the Dry Slag Granulation The blast furnace gas (BFG) generated in the BF is cleaned through a series of steps before transporting it to the BFG Holder vi) Slag Granulation Plant (SGP) / Slag Dumping Yard: During the process of iron making, the impurities are fluxed and removed as slag The hot liquid slag is made into slag granules by means of highIn the Blast Furnaces (BF) liquid iron (popularly termed as ‘Hot

Thermal energy recovery from hightemperature blast furnace slag
2015年12月1日 Blast furnace slag is one type of solid waste generated by the ironmaking process, which is discharged at temperatures ranging from 1450 °C to 1650 °CIn China, there was approximately 0197 billion tons of slag discharged in 2012, the thermal energy of which is equivalent to the energy contained in 115 million tons of coalThey involved dry slag granulation via air blast,1 rotary drum,2 or spinning disc,37 Heating Recovery From Molten Blast Furnace Slag," Ironmaking and Steelmaking, 1985, 12(1), 1421Heat Recovery from Slag through Dry Granulation ResearchGateDisclosed are an apparatus and a method for granulation of a blast furnace slag and recycling of waste heat The apparatus comprises an aerosol granulation nozzle module, a flow guide, a cyclone separator and a waste heat recovery device; wherein the aerosol granulation nozzle module comprises a slag flow controller, a compressed air flow control valve, a water volume USA1 Blast furnace slag granulation and waste 2021年8月1日 The temperature of the discharged blast furnace slag (BF slag) is between 1450 ° C and 1650 ° C, which carries a substantial amount of highgrade thermal energy and untapped resources [4,5] Considering that each ton of crude steel is accompanied by the production of 03 tons of BF slag [6], in 2019, the production of BF slag is approximately 243 million tons in ChinaResearch status of centrifugal granulation, physical heat recovery
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Dry Granulation and Solidification of Molten Blast Furnace Slag
In order to develop a process of both recovering the heat retained in molten blast furnace slag and producing aggregate for concrete making, characteristics of molten slag in granulation and solidification were investigated The newly developed method of dry granulation, consisted in making the molten slag collide with a hard surface that was insulated with a thin coat of oil or 2020年2月16日 ABSTRACT In order to overcome the environmental pollution caused by traditional waterquenching slag treatment and recover a large number of waste heat from blast furnace slag (BFS), the dry granulation process had attracted more and more attention, in which the granulation process was the keyGranulation mechanism of gas quenching blast furnace slag with Blast furnace slag is one kind of solid waste, which is discharged from blast furnace And the temperature of molten slag ranges from 1450 to 1650 ºC floor space of the air granulation device caused high cost of investment It may take about 10 years to earn the cost of investmentWaste Heat Recovery from HighTemperature Blast Furnace Slag 2022年12月16日 Since the large accumulation amount of blast furnace slag (BFS) with recycling value, it has become a hot topic for recovery utilization Compared with the existing various BFS granulation process, the dry granulation process can promote the use of blast furnace granulated slag as cement substitute and concrete admixturesOptimization for blast furnace slag dry cooling granulation device

Cold experiments on ligament formation for blast furnace slag
Request PDF On Jul 1, 2012, Junxiang Liu and others published Cold experiments on ligament formation for blast furnace slag granulation Find, read and cite all the research you need on