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Blast Furnace Slag Granulation / Ironmaking / Our ...

BLAST FURNACE SLAG GRANULATION. 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 material.

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High Efficiency Super Duty Slag Granulation Centrifugal ...

China High Efficiency Super Duty Slag Granulation Centrifugal Gravel and Sand Pump, Find details about China Sand Pump, Slurry Pump from High Efficiency Super Duty Slag Granulation Centrifugal Gravel and Sand Pump - Hebei Muyuan Pump Industry Co., Ltd.

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Slag Atomising Technology: Unlocking Real Value

air atomising slag into fine, solidified, and cool particles, the operator is able to avoid the safety risks associated with liquid slag handling and water granulation. This slag treatment method reduces dust creation and water consumption, and also allows for energy recovery from the molten material.

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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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Towards sustainable energy efficiency and improved ...

for the removal of granulation water. Granulated slag in the form of slurry is pumped MUDZANAPABWE, N.T. and DIPPENAAR, E.D. Towards sustainable energy efficiency and improved throughput: gains made on Anglo Converter Process with the installation of .

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Study on the mineralogical crystallization of granulation ...

The process of granulation in blast furnace slag (BFS) by gas quenching can effectively recover the waste heat of BFS and improve the value-added nature of the BFS byproduct. With decreasing temperature, BFS crystallizes into melilite, anorthite,

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OUTOTEC FLASH SMELTING TECHNOLOGY

efficiency • Minimized downtime Flash Smelting technology transfer package An Outotec Flash Smelting technology transfer package is a complete solution for new and existing plant operations that covers all aspects of smelter design, project manage-ment, engineering and installation, and ongoing technical support. It includes:

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DRY SLAG GRANULATION WITH HEAT RECOVERY*

DRY SLAG GRANULATION WITH HEAT RECOVERY* Ian James McDonald1 Andrea Werner2 Abstract Each year, approximately 400 million tons of blast furnace slag is produced worldwide with a tapping temperature of around 1,500°C. It is normally used as a substitute for cement clinker or as an aggregate material in road construction.

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Dry Slag Granulation (DSG) - YouTube

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May 09, 2019 · Primetals Technologies has developed a new innovative blast furnace dry slag granulation process with heat recovery at the voestalpine pilot plant in Linz, Austria. You want to know more about our ...

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Flight Dynamics and Sensible Heat Recovery of Granulated ...

And the heat recovery efficiency has the trend of first increase and then decline with the continuously increasing slag layer height. Keywords: Blast furnace slag, flight dynamics, granulation, heat exchange, sensible heat recovery. 1. INTRODUCTION Blast furnace slag is the byproduct of iron-making

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Dry slag granulation with ... - publications.csiro.au

Dry slag granulation could make a fundamental change in slag treatment. In this new approach, molten slag is atomized under centrifugal forces on a spinning disc, and the droplets generated are quenched and solidified quickly using air, with simultaneous heat recovery.

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Granulated Blastfurnace Slag - euroslag

Granulated Blastfurnace Slag Granulated Blastfurnace Slag (GBS) is manufactured from molten blastfurnace slag, a co- ... The quenching of this liquid slag with an excess of water (granulation), air and water (pelletisation) or steam forms a granular ... efficiency of granulation. When it is ground it has usually white colour. In

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Optimization for blast furnace slag dry cooling ...

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 admixtures.

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

Keywords: Blast Furnace, Dry Slag Granulation, Slag Sand, Heat Recovery, Cement, Carbon Footprint, CO 2 reduction, Energy Efficiency INTRODUCTION Each year, approx. 400 million tons of blast furnace slag is produced worldwide with a tapping temperature of around 1,500°C. Currently, the slag is granulated in wet granulation plants using large ...

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CURRENT DEVELOPMENT OF SLAG VALORISATION IN

The hot stage processing processes with respect to BF slag granulation and steel slag pyrolytic self-slaking have made progress and are applied in a number of large steelmaking companies in China. Current researches and developments are focusing on the dry granulation of molten BF slag with high efficiency of heat recovery.

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CISDI Steelmaking,Ironmaking,China Steel Business

The slag-water mixture from two blast furnaces were directed through slag granulating ditch into the common sedimentation basin where it is taken out by grab bucket of traveling crane. CISDI is invited by Yili Steel to provide tailored solution to its problem in poor working conditions and low working efficiency.

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

CFD Modelling of Dry Slag Granulation Using a Novel Spinning Disc Process Yuhua Pan1, Peter J. Witt2, ... (Figure 3(c)), which is indicative of potential slag-air heat exchange efficiency and quality of the slag granules as well as the quantitative validity of the model.

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(PDF) Dry slag granulation with integrated heat recovery

After a thorough comparative analysis of various treatment technologies, it can be concluded that centrifugal granulation affiliated with dry granulation is the optimum process, with smaller slag ...

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Research on the Granulating Water of Blast Furnace Slag ...

Water granulating is widely used to treat blast furnace slag in iron-making process, and the large amount of waste heat of granulating water is currently wasted in the cooling tower or in detritus tank. In response to the status, a new-style technical scheme that the granulating water was used for building heating as the heat source was put forward in the paper.

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Exergy and Its Efficiency Calculations in Ferrochrome ...

In the present study, comparison of exergy efficiency for existing process and two adapted case studies has been performed, involving utilization of off-gas for sintering and power generation and waste heat utilization from dry slag granulation.

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