blast furnace slag granulation

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blast furnace slag granulation

blast furnace slag granulation

Granulation characteristics of molten blast furnace

2018-1-1  The molten slag granulation experimental system consisted mainly of a molten slag supply unit, a centrifugal-air blast granulation unit and an image capture unit, as shown in Fig. 1. For the molten slag supply unit, we employed a high-temperature furnace with a graphite crucible to melt the BF slag.

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(PDF) Slag granulation systems for blast furnaces

Slags formed in blast furnaces contaminate environment. However, granulation of the slags makes it possible to produce valuable building material. Utilization of the granulated slag in cement...

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Blast Furnace Slag Granulation at the Cast House

2013-5-5  Blast Furnace Slag Granulation at the Cast House. A blast furnace (BF) is a closed system into which iron-bearing materials (iron ore lump, sinter and/or pellets), fluxes (slag formers) and reducing agents (i.e. coke) are continuously fed from the top of the furnace shaft through a charging system. The products of reduction process which takes

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Dry Granulation of Blast Furnace Slag Steel360 News

2019-4-4  Dry Granulation of Blast Furnace Slag Liquid slag produced in a blast furnace (BF)is at a temperature of around 1500?C and has a sensible heat of around 400Mcal/ton. BF slag

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AISTech2018 Dry Slag Granulation The Future Way to

2018-7-27  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 volumes of water and to date it has not been possible to utilize the remnant heat energy of the molten slag, with approx. 1.7 GJ of energy per ton.

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Centrifugal granulation characteristics of molten blast

2018-9-1  Molten blast furnace (BF) slag is almost the last high-temperature liquid waste heat resource that has not been recycled in iron and steel making industry. Aiming at heat recovery of BF slag, dry granulation techniques have been proposed, among which centrifugal granulation

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Products › Ironmaking and steelmaking › Slag

A modern blast furnace can produce more than a million tons per annum of slag. Slag granulation using water sprays is now an established technology that not only simplifies blast furnace casting floor operations but also provides an economical route for producing of

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Reactivity and performance of dry granulation blast

2019-1-1  In the process for dry granulation, the molten blast furnace slag was poured into the rotary cup with a high rotating speed. Under the action of centrifugal force, the liquid slag releasing from the edge of rotary cup was granulated to small spherical droplets. The slag droplets are cooled and freeze in the flight [

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INBA slag granulation system for blast furnace No.6 at

2019-5-17  Slag granulation system produces granulated slag, which is mainly used as a raw material for cement and concrete aggregate, by quenching molten blast furnace slag with water. Paul Wurth Group (hereinafter “PW”) has more than 260 references worldwide for the supply of slag granulation systems and INBA dewatering drums.

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Blast Furnace Slag Granulation Iron Making WRT

2021-6-18  Blast Furnace Slag Granulation Saint-Gobain ceramic materials extend the lifetime of slag granulation equipment over traditional refractory lined and hardened steel components. Abrasion and corrosion can hinder operational efficiency and increase downtime. Wear resistant materials from Saint-Gobain provide excellent abrasion and corrosion

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Dry Granulation of Blast Furnace Slag Steel360 News

2019-4-4  Dry Granulation of Blast Furnace Slag. Liquid slag produced in a blast furnace (BF)is at a temperature of around 1500?C and has a sensible heat of around 400Mcal/ton. BF slag is rich in CaO, SiO2, Al2O3, and MgO which are similar to the components of Portland cement. When this liquid BF slag is cooled fast enough then the solidified slag

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(PDF) A Review of Granulation Process for Blast

Yu, et al. [188] reviewed the granulation process for blast furnace slag. They reported that for every pig iron production accompanied by 0.3-0.6 tons of blast furnace slag produced with the

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AISTech2018 Dry Slag Granulation The Future Way to

2018-7-27  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 volumes of water and to date it has not been possible to utilize the remnant heat energy of the molten slag, with approx. 1.7 GJ of energy per ton.

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Blast furnace slag obtained from dry granulation method

Blast furnace slag obtained from dry granulation method as a component in slag cement Junxiang Liu⇑, Qingbo Yu, Zongliang Zuo, Fan Yang, Wenjun Duan, Qin Qin School of Metallurgy, Northeastern

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Products › Ironmaking and steelmaking › Slag

A modern blast furnace can produce more than a million tons per annum of slag. Slag granulation using water sprays is now an established technology that not only simplifies blast furnace casting floor operations but also provides an economical route for producing of

get price

Problems in the granulation of blast-furnace slag at

Problems in the granulation of blast-furnace slag at the Combine Download PDF. Download PDF. Case Iron; Published: July 1989; Problems in the granulation of blast-furnace slag at the Combine. A. I. Butov, E. V. Nevmerzhitskii & V. P. Stepanov

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Research status of centrifugal granulation, physical

2021-6-22  Centrifugal granulation technique is the most feasible method for heat recovery from molten blast furnace (BF) slag. The granulated slag droplets experience a complex cooling process to

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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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Prediction on particle size characteristics of high

2020-10-1  The centrifugal granulation technique has the potential for high value-added resource utilization and simultaneous waste heat recovery from blast furnace (BF) slag. Particle size characteristics which provide guide for the determination of operation conditions, are main criterion for assessing the system performance.

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Blast Furnace Slag Granulation Iron Making WRT

2021-6-18  Blast Furnace Slag Granulation Saint-Gobain ceramic materials extend the lifetime of slag granulation equipment over traditional refractory lined and hardened steel components. Abrasion and corrosion can hinder operational efficiency and increase downtime. Wear resistant materials from Saint-Gobain provide excellent abrasion and corrosion

get price

Blast furnace slag obtained from dry granulation method

Blast furnace slag obtained from dry granulation method as a component in slag cement Junxiang Liu⇑, Qingbo Yu, Zongliang Zuo, Fan Yang, Wenjun Duan, Qin Qin School of Metallurgy, Northeastern

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THE DRY BLAST- FURNACE SLAG GRANULATION AS

2011-6-29  Slag treatment is the main ecological problem of the modern Ukraine metallurgy manufacture. The blast-furnace slag is the by-product of the ironmaking process. It has produced in the blast-furnace in the amount of 300 kg per tonne of pig iron. Now in Ukraine the blast-furnace slag is treated by impinging much water for granulation. This

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Problems in the granulation of blast-furnace slag at

Problems in the granulation of blast-furnace slag at the Combine Download PDF. Download PDF. Case Iron; Published: July 1989; Problems in the granulation of blast-furnace slag at the Combine. A. I. Butov, E. V. Nevmerzhitskii & V. P. Stepanov

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Research status of centrifugal granulation, physical

2021-6-22  Centrifugal granulation technique is the most feasible method for heat recovery from molten blast furnace (BF) slag. The granulated slag droplets experience a complex cooling process to

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Effect of Water Granulation Conditions on Density and

The water granulation conditions for producing high density, coarse granulated blast furnace slag were investigated in a laboratory-scale experiment. The influence of slag temperature, water temperature and

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IBMD Granulated Blast Furnace Slag Manufacturer in

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. During this process of quenching

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DRY SLAG GRANULATION WITH HEAT RECOVERY*

2020-4-6  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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Converting Granulated Blast Furnace Slag into Fine

2016-12-7  Converting Granulated Blast Furnace Slag into Fine Aggregate 95 slags can be increased by optimizing granulation parameters such as water temperature and flow rate to produce slag sand similar to river sand. Based on this concept, several trials were conducted at blast furnace slag granulation

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Modeling on Dry Centrifugal Granulation Process of

Lots of iron molten slag from blast furnace can be produced during iron making process. It is generally cooled by water quenching method which causes many problems, such as water consumption, serious pollution, energy wasting etc. To solve these problems, much more attention has been paid to various dry granulation methods.

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