slag granulation process

CFD modelling of dry slag granulation using a novel ,

CFD modelling of dry slag granulation using a novel ,

of Liquid Slag on a Spinning Disc for a Novel Dry Slag Granulation Process”, Progress in Computational Fluid Dynamics, Vol 10, Nos 5-6, 2010, pp 292-299 7 Y Pan, P J Witt, B Kuan, and D Xie, “CFD Simulation of Slag Droplet Formation by a Spinning Disc in Dry Slag Granulation Processes”, 8th International Conference on CFD

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Dry Granulation of Blast Furnace Slag for Energy Recovery ,

Dry Granulation of Blast Furnace Slag for Energy Recovery ,

This involves granulating the slag by mechanical agitation and recovering heat from the granulation process by radiation and later from the granulated slag particles in a fluidized bed The slag product is used as an aggregate for the construction industry Dry slag granulation using a ,

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Project Portfolio - Slag Granulation Plant | Globex ,

Project Portfolio - Slag Granulation Plant | Globex ,

The technology of slag processing through granulation starts by effusion of slag from the Blast Furnace The melted (liquid) slag at the temperature of 1300°C – 1550°C is led into the granulation chamber through a channel system (with an internal refractory lining)

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Design and Operation of Dry Slag Granulation Pilot Plant ,

Design and Operation of Dry Slag Granulation Pilot Plant ,

Abstract CSIRO has been working on a dry granulation process, integrated with heat recovery, since 2002 It involves a rotary disc that atomizes molten slag to produce liquid droplets, which are rapidly quenched to become solid granul

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BLAST FURNACE SLAG GRANULATION - Paul Wurth

BLAST FURNACE SLAG GRANULATION - Paul Wurth

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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TPT: Dry Granulation of Blast Furnace Slag for Heat Recovery

TPT: Dry Granulation of Blast Furnace Slag for Heat Recovery

Dry Granulation of Blast Furnace Slag for Heat Recovery Blast furnace slag is known as a by-product from the production of hot metal at integrated steel and iron mills Approximately 300 kg of this liquid slag with a temperature of about 1500°C is tapped together with each ton hot metal

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Hatch Steelmaking Technologies | Dry Slag Granulation ,

Hatch Steelmaking Technologies | Dry Slag Granulation ,

Dry Slag Granulation Steelmaking slags are typically dumped to ground and used as low-value road aggregate Hatch’s dry slag granulation process uses air to directly granulate slag The dry slag granulation advantages include improved safety, reduced noise and pollution and ability to access higher value-added slag markets Custom Robotics .

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Dry Granulation of Blast Furnace Slag - steel-360

Dry Granulation of Blast Furnace Slag - steel-360

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 Heat is recovered from the slag in the following ways As the spray of slag particles moves outwards from the atomizer, heat is lost by radiation to the vessel and by convection to the air moving through .

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(642e) Dry Granulation of Blast Furnace Slag for Heat Recovery

(642e) Dry Granulation of Blast Furnace Slag for Heat Recovery

Nov 07, 2013· increase could be measured With the obtained data, process optimization can be done and a scale up for further investigations can be realized in the future Using dry slag granulation at integrated steel and iron mills will gain access to the sensible heat of the blast furnace slag The recovered energy can be

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The smelting operations of Anglo American’s platinum ,

The smelting operations of Anglo American’s platinum ,

§ Upgrade of the slag-granulation circuit The greater throughput of concentrate in the furnace will give rise to greater volumes of slag and the current granulation circuit will be upgraded to cater for this § Replacement of the off-gas system with a new electrostatic precipitator

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Cutting-Edge By-Product Recycling | Primetals Technologies

Cutting-Edge By-Product Recycling | Primetals Technologies

In the Baosteel Slag Short Flow (BSSF) granulation process developed by Baosteel, the liquid slag is transferred to a granulation drum where it is treated with injected water with a dwell time between three and five minutes, which significantly reduces the amount of unreacted free lime

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Blast furnace slag granulation at cast house – IspatGuru

Blast furnace slag granulation at cast house – IspatGuru

May 05, 2013· Concept of slag granulation 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 take place

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chinese technology for blast furnace slag granulation process

chinese technology for blast furnace slag granulation process

Paper - Slag Valorisation Symposium In this paper, the dry granulation process flow and semi- industrial , valorisation are 21% for steel slags and 76% for blast furnace slags

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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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Blast Furnace plants by Primetals Technologies

Blast Furnace plants by Primetals Technologies

Primetals Technologies has provided blast furnace engineering, project excellence and expertise to customers world-wide for over a century Our technology base covers the entire blast furnace process route from hot blast and raw material handling, through the furnace and casthouse, to gas cleaning and hot metal / slag processing

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Dry slag granulation: producing valuable by-products from ,

Dry slag granulation: producing valuable by-products from ,

Jan 02, 2019· We developed a new, integrated dry granulation and heat recovery process which promotes sustainability and full value recovery Molten slag is atomised under centrifugal forces exerted by a spinning disc to produce droplets which are then quenched and solidified using air ,

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dry granulation copper slag

dry granulation copper slag

Molten slag during the dry granulation process A researcher adjusts equipment used in the pyrolysis process Molten slag during the dry granulation process Get Price Effect of Lime and Cement on the Strength Improvement of Copper , Improvement of Copper Slag Stabilized Soil , Cement, Optimum Moisture Content, Maximum Dry

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Some Fundamental Aspects of Dry Slag Granulation Process

Some Fundamental Aspects of Dry Slag Granulation Process

granulation process and the dynamics of slag droplet collision with solid surfaces will be covered Published studies on the thermodynamics of sulphur in slags and kinetics of sulphur transfer between blast the furnace slags and oxidising gas mixtures have been reviewed to ascertain the effects of oxygen ial pressure on part

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Manufacturing - Skyway Cement

Manufacturing - Skyway Cement

Granulation This process transforms molten slag into granul Skyway Cement receives granulated slag from a US steel manufacturer in Gary, Indiana In the blast furnace at the steel works, slag is produced when the mineral components of th e metal refining process separate from and float on the molten iron The iron is drawn off to be further .

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Granulation of titania slag - SAIMM

Granulation of titania slag - SAIMM

Wet granulation of titania slag Description and operation of the wet granulation plant Wet granulation of titania slag was carried out at the research and development facilities of Exxaro in Pretoria Ilmenite was smelted in the 15 MW DC furnace at this facility The typical titania slag tap mass was approximately one ton

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Products › Ironmaking and steelmaking › Slag Granulation ,

Products › Ironmaking and steelmaking › Slag Granulation ,

In the granulation section, the liquid slag is ‘quenched’ by pouring onto it an excess water stream The evaporated water will be condensed in a condensing tower located above the granulation tank This proven granulation process ensures economic granulation and produces valuable and consistent properties in the blast furnace slag

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Ground granulated blast-furnace slag - Wikipedia

Ground granulated blast-furnace slag - Wikipedia

To obtain a good slag reactivity or hydraulicity, the slag melt needs to be rapidly cooled or quenched below 800 °C in order to prevent the crystallization of merwinite and melilite To cool and fragment the slag a granulation process can be applied in which molten slag is subjected to jet streams of water or air under pressure

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(PDF) A Review of Granulation Process for Blast Furnace Slag

(PDF) A Review of Granulation Process for Blast Furnace Slag

The process produces a slag product of high glass content suitable for cement manufacture A study of a full-scale plant shows that about 60% of the heat can be recoverd and utilized within a .

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