# blast furnacemodeling of two phase flow in blast furnace trough

• ### Numerical Simulation on Phenomena of Fine Particles

unburned char generated in the blast furnace. The generated powder flows through the packed bed in the blast furnace as a solid-gas two-phase flow which affects the ventilation and liquid permeability in the blast furnace. It is important to quantitatively evaluate the distribution route of the gener-ated powder in the blast furnace and the

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• ### Analysis on Non‐Uniform Gas Flow in Blast Furnace Based on

May 24 2011 · The present study aimed to develop a three‐dimensional mathematical model based on DEM‐CFD for simultaneous analysis of gas and solid flow in the whole blast furnace. The unbalanced gas flow in the case of clogging of the particular tuyere was analyzed to clarify the circumferential unevenness in the lower part of the blast furnace.

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• ### (PDF) Recent Developments in Blast Furnace Technology

A typical hot blast stove and system efficiency illustration and evaluation of the contribution of an external heat exchanger system is illustrated in below fig Fig Stove and system efficiency 1 1Model development of a blast furnace stove The 7 th International Conference on Applied Energy -ICAE2015 2 THE FUTURE OF HOT BLAST STOVES R

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• ### Mathematical Modeling of Furnace Drainage While Tapping

Furnace tapping is a critical operation on pyrometallurgical furnaces known for unpredictable performance in many cases. A reduced order mathematical model capable of predicting tapping rates of both slag and metal is presented. The model accounts for separate liquid phases and particle bed resistance to flow. The model is compared for consistency against results from both a water-model

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• ### Modeling of Two‐Phase Flow in Blast Furnace Trough

Almost 95 of the world s hot metal production is from Blast Furnaces reaching a production of 1.2 Btons in 2018 according to the World Steel Association. The trough is an important equipment within the blast furnace production process promoting the separation between hot metal and slag after casting.

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• ### Off-line Model of Blast Furnace Liquid Levels

the two liquid phases are drained through the same taphole. However periods of one-phase flow may occur initially fol-lowed by two-phase flow in the later parts of the tap. Since the tapholes cannot be kept open for longer periods as this blast furnace with two (operating) tapholes and simulated

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• ### Numerical simulation of solids flow in a blast furnace

Feb 01 2002 · This paper presents a numerical study of the behavior of solids flow in a 2D blast furnace (BF). The investigation considers the layer-charging of iron-bearing and coke and solids consumption due to for example coke combustion in the raceway and is based on a mathematical model recently developed for gas–solid two-phase flow.

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• ### Flow Patterns of Iron and Slag in the Blast Furnace Taphole

The drainage of molten iron and slag is of considerable significance for the ironmaking blast furnace (BF). The draining process is in principle driven by the in-furnace overpressure that balances the pressure drops induced by liquid flows through the dead man and taphole. The two-liquid flow in

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• ### MODEL INVESTIGATIONS OF BED PARTICLES

place in the blast furnace where the flow of the solid phase is caused mainly by two factors the coke combustion in the combustion chamber and melting of the iron ore. It is believed 1 that the coke combustion in the combustion chambers of the blast furnace is a main driving force of the flow of solid phase.

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• ### Numerical Simulation on Phenomena of Fine Particles

unburned char generated in the blast furnace. The generated powder flows through the packed bed in the blast furnace as a solid-gas two-phase flow which affects the ventilation and liquid permeability in the blast furnace. It is important to quantitatively evaluate the distribution route of the gener-ated powder in the blast furnace and the

Get Price
• ### (PDF) Multi-phase Flow Simulation Khooswunt G Sewtohul

Multi-phase flow is a very vast field with varying technological methods and are applied in various Physics and Engineering disciplines. In this work we will focus mainly on the multi-phase processes taking place in an iron making blast furnace. Figure 1.2 A schematic diagram of a blast furnace.

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• ### (PDF) Experimental Model Study of Liquid–Liquid and Liquid

As the core part of the appar atus the H–S viscous flow model emulates the two-phase flow in the BF hearth (i.e. the flow of molten iron and slag) by using mineral oil and water in the model. The

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• ### MODEL INVESTIGATIONS OF BED PARTICLES

place in the blast furnace where the flow of the solid phase is caused mainly by two factors the coke combustion in the combustion chamber and melting of the iron ore. It is believed 1 that the coke combustion in the combustion chambers of the blast furnace is a main driving force of the flow of solid phase.

Get Price
• ### (PDF) Multi-phase Flow Simulation Khooswunt G Sewtohul

Multi-phase flow is a very vast field with varying technological methods and are applied in various Physics and Engineering disciplines. In this work we will focus mainly on the multi-phase processes taking place in an iron making blast furnace. Figure 1.2 A schematic diagram of a blast furnace.

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• ### Numerical Analysis on Flow Behavior of Molten Iron and

Abstract. The three-dimensional model was developed according to number 4 of the main trough of blast furnace at China Steel Co. (CSC BF4). The equations and volume of fluid (VOF) were used for describing the turbulent flow at the impinging zone of trough indicating fluids of liquid iron molten slag and air in the governing equation respectively in this paper.

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• ### SIMULATION ON THE COMBUSTION IN THE RACEWAY ZONE

phase flow and pulverized coal combustion in the raceway zone of the blast furnace based on the Euler gas phase equation and the Euler particle continuous equation the momentum equation and the equation of Lagrange energy and mass change. Zhang et al. 11 used FLU-ENT commercial software through PDF to define fuel composition gas phase

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• ### Numerical Analysis on Flow Behavior of Molten Iron and

Abstract. The three-dimensional model was developed according to number 4 of the main trough of blast furnace at China Steel Co. (CSC BF4). The equations and volume of fluid (VOF) were used for describing the turbulent flow at the impinging zone of trough indicating fluids of liquid iron molten slag and air in the governing equation respectively in this paper.

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• ### Numerical analysis for the multi-phase flow of pulverized

Sep 01 2005 · Most of them are two-dimensional unsteady-state models which consider multi-phase chemical reactions phase transformation inter-phase momentum and heat transfer inside the blast furnace. Various mathematical models investigate the effect of uncertain factors on the combustion characteristics of pulverized coal.

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• ### Flow Patterns of Iron and Slag in the Blast Furnace Taphole

The drainage of molten iron and slag is of considerable significance for the ironmaking blast furnace (BF). The draining process is in principle driven by the in-furnace overpressure that balances the pressure drops induced by liquid flows through the dead man and taphole. The two-liquid flow in

Get Price
• ### Flow Patterns of Iron and Slag in the Blast Furnace Taphole

The drainage of molten iron and slag is of considerable significance for the ironmaking blast furnace (BF). The draining process is in principle driven by the in-furnace overpressure that balances the pressure drops induced by liquid flows through the dead man and taphole. The two-liquid flow in

Get Price
• ### Analysis on Non‐Uniform Gas Flow in Blast Furnace Based on

May 24 2011 · The present study aimed to develop a three‐dimensional mathematical model based on DEM‐CFD for simultaneous analysis of gas and solid flow in the whole blast furnace. The unbalanced gas flow in the case of clogging of the particular tuyere was analyzed to clarify the circumferential unevenness in the lower part of the blast furnace.

Get Price
• ### SINTEF Open SINTEF Proceedings

To model two-phase flows in industrial applications for example the raceway zone in a blast furnace an Eulerian two-fluid model is usually the method of choice. It has proven to

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• ### CSIRO Melbourne Australia 13-15 December 2006

INTERACTION IN BLAST FURNACE Baoyu GUO1 Paul ZULLI2 conducted using a homogeneous two-phase flow model combined with a model for flow through porous media. The variables surface flow through packed bed. 1. 0 5 10 15 20 0 10 20304 x cm y cm 0 1.7s 9s 13.8s 18.6s

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• ### Numerical Simulation of Gas-Liquid Two Phase Flow in the

Dec 14 2007 · The pressure drop characteristics of the annular gap scrubber of the blast furnace gas are key elements for inner furnace pressure control. In the annular gap scrubber there exists complicated interactions between three-dimensional compressible flow with two phase flow and heat transfer between gas and water particle.

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• ### Analysis on Non‐Uniform Gas Flow in Blast Furnace Based on

May 24 2011 · The present study aimed to develop a three‐dimensional mathematical model based on DEM‐CFD for simultaneous analysis of gas and solid flow in the whole blast furnace. The unbalanced gas flow in the case of clogging of the particular tuyere was analyzed to clarify the circumferential unevenness in the lower part of the blast furnace.

Get Price
• ### Flow Patterns of Iron and Slag in the Blast Furnace Taphole

Iron and slag flow in the taphole is essentially an issue of two immiscible liquids flowing through an inclined tube. This issue has been studied especially in the petroleum industries where water and oil have been used as the two liquids in experiments. 14) Depending on the physical properties of the liquid flow rates tube inclination angle and tube diameter a number of flow patterns may

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• ### Flow Patterns of Iron and Slag in the Blast Furnace Taphole

Iron and slag flow in the taphole is essentially an issue of two immiscible liquids flowing through an inclined tube. This issue has been studied especially in the petroleum industries where water and oil have been used as the two liquids in experiments. 14) Depending on the physical properties of the liquid flow rates tube inclination angle and tube diameter a number of flow patterns may

Get Price
• ### (PDF) Multi-phase Flow Simulation Khooswunt G Sewtohul

Multi-phase flow is a very vast field with varying technological methods and are applied in various Physics and Engineering disciplines. In this work we will focus mainly on the multi-phase processes taking place in an iron making blast furnace. Figure 1.2 A schematic diagram of a blast furnace.

Get Price