slag granulation process digram



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Process for granulation of slag - Paul Wurth SA
Process for granulation of slag - Paul Wurth SA

The average size of granules of slag produced in the above-described method is known to be partly a direct function of the temperature of the water with which the molten slag is mixed Thus, the average size of the slag particles formed during the granulation process will increase with an increase in the temperature of the granulation water

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Dry slag granulation with integrated heat , - Publications
Dry slag granulation with integrated heat , - Publications

Jun 27, 2011· The process produces solid slag granules suitable for cement-making and hot air of 500-600 degC as a heat source for on-site utilization Compared with water quenching, dry granulation offers a much more sustainable approach through saving water, reducing emissions, as well as recovering waste heat to reduce energy consumption, and hence GHG .

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Effect of Water Granulation Conditions on Density and ,
Effect of Water Granulation Conditions on Density and ,

granulated slag, a experimental water granulation apparatus was prepared, as shown in Fig 2 The apparatus consists of a 50 kW induction furnace, a cooling water tank, a booster Fig 1 Schematic diagram of slag water granulation system12) Fig 2 Schematic diagram of experimental apparatus

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Kalgoorlie Nickel Smelter Furnace Rebuild (KNS) Project ,
Kalgoorlie Nickel Smelter Furnace Rebuild (KNS) Project ,

Smelter process description, including the primary plant sections and interrelated processes employed to smelt and convert the main input of nickel in concentrate to produce the final product of nickel in matte In particular, the matte granulation process and the differences between the original and

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PRODUCTION, CHARACTERISTICS AND USE OF ,
PRODUCTION, CHARACTERISTICS AND USE OF ,

The ferrochrome slag products are quality assured and CE mark ed according to the stand-ards EN 13242 and EN 13043 [3,4] The main requirements for CE marking are the aggregate size and size distribution, resistance to fragmentation, durability against studded tyres and durability against freeze/thaw Figure 5: Slag granulation process Water from

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Blast Furnace Ironmaking – A View on Future Developments ,
Blast Furnace Ironmaking – A View on Future Developments ,

Jan 01, 2017· Process flow diagram of a dry slag granulation system with heat recovery system for fuel preheating 5 Conclusion Within the content of this paper, we have hopefully taken the opportunity to highlight the status of the blast furnace as an advanced process that ,

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Slag water quenching process - YouTube
Slag water quenching process - YouTube

Aug 31, 2017· industrial waste slag water quenching process industrial waste slag water quenching process

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Blast Furnace Slag Granulation at the Cast House – IspatGuru
Blast Furnace Slag Granulation at the Cast House – IspatGuru

May 05, 2013· 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 water stream at the .

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Ground granulated blast-furnace slag - Wikipedia
Ground granulated blast-furnace slag - Wikipedia

Ground-granulated blast-furnace slag (GGBS or GGBFS) is obtained by quenching molten iron slag (a by-product of iron and steel-making) from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powderGround-granulated blast furnace slag is highly cementitious and high in CSH (calcium silicate hydrates) which is a strength enhancing .

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Modeling on Dry Centrifugal Granulation Process of Molten ,
Modeling on Dry Centrifugal Granulation Process of Molten ,

21 Governing Equations of Molten Slag Flow and Granulation on a Rotary Disc The DCG process of molten slag is simulated with a three-dimensional simulation program which is based on the VOlume of Fluid (VOF) scheme12) In this scheme, the fluid flow including molten slag ,

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S J Pickering/New process for dry granulation and heat ,
S J Pickering/New process for dry granulation and heat ,

A new dry granulation process for molten slag is described The process produces a slag product of high glass content, suitable for cement manufacture, and allows heat recovery from the slag Experimental tests have been carried out on a laboratory-scale plant to prove the new process

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I, 2, I
I, 2, I

Temperature, time and transformation diagram for solidification of materials'"-299-EXPERIMENTAL PROCEDURES In order to simulate the process of steel slag granulation, a set of equipment was made as shown in Figure 1 This consists mainly of launder, granulation tank, dewatering tank, waste water tank and fresh water tank .

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Slag Granulation with Continuous Dewatering Ironmaking
Slag Granulation with Continuous Dewatering Ironmaking

second granulation tank, one granulation unit can handle the slag of two tap hol `Continuous filtering and evacuation of dewatered slag sand up to its storage facility without inter-ruptions for purging ` High reliability `Measurement of slag flow, due to the design of the drum and the dewatering process

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AISTech2018 Dry Slag Granulation – The Future Way to ,
AISTech2018 Dry Slag Granulation – The Future Way to ,

The wet granulation process operates with a high water to slag ratio of about 8:1 The advantage of the wet process is that it is accepting wide fluctuations in the mass flow and physical/chemical properties of the slag However, the wet process faces also significant disadvantages:

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Further processing and granulation of slags with entrained ,
Further processing and granulation of slags with entrained ,

that no slag, matte, or alloy responds in similar fashion to a granulation practice This paper addresses three issues, namely: • Water-granulation of BOF steel slag, without processing it to render it environmentally safe, physically and chemically acceptable for use by the construction industry, and the process economical

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Some Fundamental Aspects of Dry Slag Granulation Process
Some Fundamental Aspects of Dry Slag Granulation Process

Some Fundamental Aspects of the Dry Slag GranulationProcess Sharif Jahanshahi*, Yuhua Pan and Dongsheng Xie CSIRO Minerals Down Under National Research Flagship, Clayton, Victoria, 3168, Australia Abstract: There is a growing interest in development of a dry slag granulation (DSG) process so as to recover the

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Stabilization of Stainless Steel Slag via Air Granulation ,
Stabilization of Stainless Steel Slag via Air Granulation ,

Feb 08, 2019· Pilot-scale air granulation testing was completed at Materials Technology to determine if fast cooling can be achieved in the air granulation process to prevent the transformation of β-C 2 S to γ-C 2 S and produce stable AOD slag The pilot-scale air granulation system was able to treat from 15 kg/min to 30 kg/min of molten slag .

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Granulated Pig Iron (GPI) | International Iron Metallics ,
Granulated Pig Iron (GPI) | International Iron Metallics ,

The diagram above compares the sandpit casting and granulation routes for dealing with excess hot metal, in this case the granulation process is the Granshot ® process of IIMA member UHT Uvån Hagfors Teknologi AB The video below shows pig iron granulation production using the Granshot ® process

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INBA process for slag granulation - Technische ,
INBA process for slag granulation - Technische ,

The implementation of the granulation basin reduces the solidification time of the slag, the sulphurous emissions and the slag sand product can be improved The granulation basin allows the introduction of a sealing hood as a barrier to 'false air', besides additional benefits eg, higher resistance to wear, reduced height design, reduced pipe .

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The granulation of the slag melt
The granulation of the slag melt

(57) Abstract: Applications: granulation of the slag melt, mostly melt casting powder for continuous casting of steel The inventive method of granulation of the slag melt includes a dispersion make of melt jet of high speed air flow, applying a layer of powdered material dispersed particles passing the dispersed particles through the bulk layer of powdery material, cooling and crystallization .

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IBMD - Granulated Blast Furnace Slag Manufacturer in India
IBMD - Granulated Blast Furnace Slag Manufacturer in India

The process of slag granulation involves pouring the molten slag through a high-pressure water spray in a granulation head, located in close proximity to the blast furnace Granulation process is the controlled quenching of the slag in cold water which does not give time for crystalline growth to ,

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CFD modelling of dry slag granulation using a novel ,
CFD modelling of dry slag granulation using a novel ,

Figure 4: Predicted relationship between slag tapping rate and disc spinning speed for maintaining different film thickness (Disc radius: 25 mm, Liquid slag viscosity: 07 Pa s, Liquid slag density: 2590 kg m-3) In summary, CFD modelling has played a key role in the design, operation and scale up of CSIRO’s dry slag granulation process

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Blast Furnace Slag Granulation / Ironmaking / Our ,
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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Granulation - Wikipedia
Granulation - Wikipedia

Granulation is the process of forming grains or granules from a powdery or solid substance, producing a granular materialIt is applied in several technological processes in the chemical and pharmaceutical industri Typically, granulation involves agglomeration of fine particles into larger granules, typically of size range between 02 and 40 mm depending on their subsequent use

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Technical Report UDC 669 162 275 2 Development of a ,
Technical Report UDC 669 162 275 2 Development of a ,

the Slag Short Flow (BSSF) process 10) using a drum cooler Another reason for the difficulty in developing the processes to treat steelmaking slag is that, because the melting point of hot metal pretreatment slag is higher than the temperature of hot metal, it is necessary to cool the slag containing solid iron in the slag process-ing

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Granulation | TENOVA
Granulation | TENOVA

Tenova Pyromet has vast experience in the design and construction of wet granulation plants The wet slag granulation process involves pumping water into the slag cold runner via a blower box to quench the molten slag The in-house designs have been proven in numerous applications and have shown to be both robust and reliable

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Dry Granulation of Blast Furnace Slag for Energy Recovery ,
Dry Granulation of Blast Furnace Slag for Energy Recovery ,

Aug 09, 2014· The dry slag granulation process is essentially to atomize the liquid slag and then to cool the particles rapidly so as to produce a glassy slag The atomization is done using a rotary cup air blast atomizer The particles cool as they travel through the air and are then cooled further in a fluidized bed Both of these processes provide the .

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(PDF) Dry slag granulation with integrated heat recovery
(PDF) Dry slag granulation with integrated heat recovery

Process flow diagram for SVAI/Primetals Technologies' dry slag granulation system with heat recovery and steam generation[42,43] (color figure online) Samples of wet and dry granulated iron blast .

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Slag recycling - recovery
Slag recycling - recovery

There are various processes on the market for the granulation of blast furnace slag The most important process is cooling in a water bath The most common methods are the RASA system from Rasa Corporation, the INBA system (Fig 16) from Paul Wurth, a company of the SMS group, and the IJ GRAN system from Danieli-Corus

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Granulation E Furnace Slag with Di erent Basicities
Granulation E Furnace Slag with Di erent Basicities

Apr 09, 2020· Coatings 2020, 10, 372 5 of 14 3 Results and Discussion 31 Influence of Di erent Basicities on the Granulation E ect of Gas Quenching BFS The experimental material was 30 kg, the slag dumping temperature was 1600 C, the nozzle diameter was 3 mm, the slag cooler speed was 55 r/min, and the nozzle pressure was 02 MPa

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