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
Get PriceAnalysis 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(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
Get PriceMathematical 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
Get PriceModeling 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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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
Get PriceNumerical 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.
Get PriceFlow 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 PriceMODEL 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 PriceNumerical 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.
Get Price(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
Get PriceSimulation two phases flow in blast furnace main runner
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Get PriceMODEL 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.
Get PriceNumerical 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.
Get PriceSIMULATION 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
Get PriceNumerical 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.
Get PriceNumerical 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.
Get PriceFlow 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 PriceFlow 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 PriceAnalysis 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 PriceSINTEF 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
Get PriceCSIRO 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
Get PriceNumerical 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.
Get PriceAnalysis 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 PriceFlow 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 PriceFlow 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.
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