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Some Fundamental Aspects of Dry Slag Granulation

2014-7-8  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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Slag Granulation with Continuous Dewatering Ironmaking

2021-6-16  second granulation tank, one granulation unit can handle the slag of two tap holes. `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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Products › Ironmaking and steelmaking › Slag Granulation ...

This proven granulation process ensures economic granulation and produces valuable and consistent properties in the blast furnace slag. Danieli Corus condensing tower technology has a proven track record in both the steel and the aluminium industry. Dewatering is required to

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(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

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Further processing and granulation of slags with

2011-3-3  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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Granulation TENOVA

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. Technical

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

2018-7-27  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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Granulation characteristics of molten blast furnace slag ...

2018-1-1  During the granulation process, products including slag particles, slag wool, and coked slag were yielded. The results show that the centrifugal granulation process was accelerated by blast air, and the average particle diameter decreased with an increasing blast air volume flow rate in most operating conditions, achieving a minimum value of 1 ...

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Energy saving from furnace slag: Study on centrifugal ...

2019-2-1  The slag centrifugal granulation process was a typical two-phase immiscible, incompressible and unsteady flow process with an apparently free surface. This paper used the VOF model to simulate the granulation process. The turbulence model used the k-ω-SST shear transport model and added the momentum source term, the surface tension term, to ...

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Simulation experimental research of granulation process ...

Dry centrifugal granulation technology is an important mean for liquid high-temperature slag. In this paper, the numerical simulation of dry granulation process was carried out to analyze the ...

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Process for granulation of slag - Paul Wurth S.A.

Process for granulation of slag . United States Patent 4374645 . Abstract: The granulation of molten material, blast furnace slag for example, is accomplished by wetting the slag with a stream of water and thereafter transporting the thus formed granules away from the point of granulation with the water stream. Water consumption is minimized ...

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Some Fundamental Aspects of the Dry Slag Granulation

Some Fundamental Aspects of the Dry Slag Granulation Process 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 sensible and

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Modeling on Dry Centrifugal Granulation Process of

them, slag granulation process by a centrifugal force, which is also called DCG process, has proved its advantages due to its simpleness, controllability, less energy consumption and more sensible heat recovery in the past years.5–9) In this Modeling on Dry Centrifugal Granulation Process of

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Products › Ironmaking and steelmaking › Slag Granulation ...

This proven granulation process ensures economic granulation and produces valuable and consistent properties in the blast furnace slag. Danieli Corus condensing tower technology has a proven track record in both the steel and the aluminium industry. Dewatering is required to

More

High-temperature modification and air-quenching ...

2021-8-5  To solve the problem of difficult utilization of steel slag, the liquid steel slag was modified and the air-quenching granulation process was carried out to make steel slag into a value-added end product: air-quenching granulated steel slag. The granulated slag was tested to analyze the variation rule of slag properties under different modification conditions. Based on the phase diagram of CaO ...

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Further processing and granulation of slags with

2011-3-3  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

More

Granulation TENOVA

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. Technical

More

Research status of centrifugal granulation, physical heat ...

2021-8-1  BF slag is typically granulated by the centrifugal granulation process, which is a complex multi-phase flow process. In brief, the liquid BF slag flows down from the upper nozzle and spreads on the action of the centrifugal force generated by the rotating granulator.

More

Energy saving from furnace slag: Study on centrifugal ...

2019-2-1  The slag centrifugal granulation process was a typical two-phase immiscible, incompressible and unsteady flow process with an apparently free surface. This paper used the VOF model to simulate the granulation process. The turbulence model used the k-ω-SST shear transport model and added the momentum source term, the surface tension term, to ...

More

Prediction on particle size characteristics of high ...

2020-10-1  New process for dry granulation and heat recovery from molten blast-furnace slag Ironmaking Steelmaking. , 12 ( 1985 ) , pp. 14 - 20 , 10.1016/0304-386X(85)90024-6 View Record in Scopus Google Scholar

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Prediction on particle size characteristics of high ...

2020-10-1  New process for dry granulation and heat recovery from molten blast-furnace slag Ironmaking Steelmaking. , 12 ( 1985 ) , pp. 14 - 20 , 10.1016/0304-386X(85)90024-6 View Record in Scopus Google Scholar

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High-temperature modification and air-quenching ...

2021-8-5  To solve the problem of difficult utilization of steel slag, the liquid steel slag was modified and the air-quenching granulation process was carried out to make steel slag into a value-added end product: air-quenching granulated steel slag. The granulated slag was tested to analyze the variation rule of slag properties under different modification conditions. Based on the phase diagram of CaO ...

More

Energy saving from furnace slag: Study on centrifugal ...

2019-2-1  The slag centrifugal granulation process was a typical two-phase immiscible, incompressible and unsteady flow process with an apparently free surface. This paper used the VOF model to simulate the granulation process. The turbulence model used the k-ω-SST shear transport model and added the momentum source term, the surface tension term, to ...

More

Research status of centrifugal granulation, physical heat ...

2021-8-1  BF slag is typically granulated by the centrifugal granulation process, which is a complex multi-phase flow process. In brief, the liquid BF slag flows down from the upper nozzle and spreads on the action of the centrifugal force generated by the rotating granulator.

More

Products › Ironmaking and steelmaking › Slag Granulation ...

This proven granulation process ensures economic granulation and produces valuable and consistent properties in the blast furnace slag. Danieli Corus condensing tower technology has a proven track record in both the steel and the aluminium industry. Dewatering is required to

More

Granulation TENOVA

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. Technical

More

Preface for Thematic Section: Slag Granulation SpringerLink

2019-5-31  Granulation of molten metallurgical slags is a value-adding process that converts a low-value byproduct (and sometimes waste) into a saleable product with multiple uses by the building and construction industries. In particular, when

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Film fragmentation mode: The most suitable way for ...

2020-10-15  The molten slag is intermittently discharged from the blast furnace during the iron making process. To match the running time difference between the iron making process and the centrifugal granulation process, and to realize the flow control of molten slag, a tundish is generally adopted to temporarily deposit the molten slag.

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Simulation of primary breakup of molten slag in the gas ...

2020-11-25  Gas quenching dry slag granulation process is a type of the dry slag granulation (DSG) method , . It utilizes the kinetic energy of transversal supersonic airflow to break up the molten slag into droplets which are cooled to solid slag particles in the cooler, and the waste heat of slag can be effectively recovered without environmental pollution.

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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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