hot metal desulphurisation process 29018
Mathematical simulation of hot metal desulfurization
2022年4月6日 A three-dimensional mathematical model was established to predict the multiphase flow, motion and dispersion of desulfurizer particles, and desulfurization of
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Effect of graphite on hot metal desulphurisation
Key Words Hot metal desulphurisation, magnesium consumption, graphite precipitation, kish. AB - During the magnesium-lime co-injection process for hot metal
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Hot Metal Pre-treatment Facility (Kanbara Reactor; KR)
A Kanbara reactor (KR) is a mechanical mixer-type hot metal desulfurization facility. It is characterized by its acceleration of the desulfurization reaction through the submersion and rotation of an
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Hot Metal Desulphurization Carmeuse
Desulphurization of hot metal is the most economic process for removing sulphur before charging to the BOF. Metallic Magnesium is the most effective reagent for desulphurization; calcium oxide is the most cost
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2013年10月16日 Desulphurization process Hot metal which leaves the BF typically contains 0.03 % sulphur, but the demand for many of the steel grades can be as low as
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Products › Ironmaking and steelmaking › Hot Metal
Danieli Corus offers hot-metal desulphurization technology based on the co-injection of magnesium and lime/calcium carbide. This is a method that combines the advantages of both reagents: Magnesium achieves fast
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Operational Costs of Hot Metal Desulphurization Processes
In the desulphurization of hot metal powdered reagents are injected into the hot metal. The reagents chemically react with the dissolved sulfur forming sulphides that ascend and are captured in the upper slag layer that
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Optimal hot metal desulphurisation slag considering iron
2021年2月21日 In this process magnesium and lime are injected into the hot metal. Most of the desulphurisation (> 95%) takes place by the reaction between magnesium and
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A Review of Modeling Hot Metal Desulfurization - Visuri - 2020
1 Introduction. Hot metal desulfurization serves as the main unit process for removing sulfur in blast-furnace-based steelmaking. Hot metal desulfurization is commonly conducted in a ladle or a torpedo car, 1 using a desulfurization reagent that is either injected into the metal bath or added on top of it. 2 From the thermodynamic point of
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Effect of magnesium injection process on hot metal desulfurization ...
2020年11月2日 The hot metal desulfurization process can be mainly categorized into three kinds: desulfurization with single granular magnesium injection, desulfurization with magnesium injection and desulfurization with in situ reduction of MgO. Guo et al. [ 4, 5] adopts the traditional single granular magnesium injection method.
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Optimalhotmetaldesulphurisationslagconsideringironlossandsulphurremoval ...
Desulphurisation process In Europe and North America, the magnesium-lime co-injec-tion process is the state-of-the-art HMD process. In this process magnesium and lime are injected into the hot metal. Most of the desulphurisation (>95%) takes place by the reaction between magnesium and sulphur in the bath (reaction 1).
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Mathematical simulation of hot metal desulfurization during KR process
2022年4月6日 The turbulent kinetic energy-turbulent dissipation rate ( k−ε) turbulence model, volume-of-fluid multiphase model, discrete-phase model, and unreacted core model for the reaction between the hot metal and particles were coupled.
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A Review of Modeling Hot Metal Desulfurization
2020年3月31日 Hot metal desulfurization serves as the main unit process for removing sulfur in blast-furnace based steelmaking. The available body of literature on modeling hot metal...
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Solutions to Meet Your Needs Desulphurization of hot metal is the most economic process for removing sulphur before charging to the BOF. Metallic Magnesium is the most effective reagent for desulphurization;
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Effect of graphite on hot metal desulphurisation
Key Words Hot metal desulphurisation, magnesium consumption, graphite precipitation, kish. AB - During the magnesium-lime co-injection process for hot metal desulphurisation, graphite can precipitate as a result of carbon oversaturation. The formed graphite is known to form a layer between the slag and the hot metal.
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2016年10月14日 Model results showed that the staggered blade structure may improve the desulfurization efficiency of the KR process, and the desulfurization rate increases from 95.7% to 97.1% when compared
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Products › Ironmaking and steelmaking › Hot Metal
Hot Metal Desulphurization by lance injection of reagents is the optimal solution for sulphur control during steelmaking. The vast majority of the basic oxygen steel plants worldwide desulphurize at least a part of their
اObtener precioLowering iron losses during slag removal in hot metal desulphurisation ...
Hot metal from the blast furnace typically contains 0.03–0.06 wt-% sulphur, therefore the hot metal needs to be desulphurised before it is charged into the converter. In the HMD process, reagents (usually Mg, CaO and/or CaC 2) are injected or added to the hot metal, where they react with the dissolved sulphur. The formed sulphides (CaS and ...
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Operational Costs of Hot Metal Desulphurization
In the desulphurization of hot metal powdered reagents are injected into the hot metal. The reagents chemically react with the dissolved sulfur forming sulphides that ascend and are captured in the upper slag layer that
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Johan Björkvall 7 Publications 57 Citations Related Authors
Johan Björkvall is an academic researcher. The author has contributed to research in topic(s): Slag Mixing (process engineering). The author has an hindex of 4, co-authored 7 publication(s) receiving 57 citation(s).
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Effect of liquid phase in flux on hot metal desulfurization by ...
Dive into the research topics of 'Effect of liquid phase in flux on hot metal desulfurization by mechanical stirring process'. Together they form a unique fingerprint. ... 10.2355/tetsutohagane.TETSU-2018-123. DO - 10.2355/tetsutohagane.TETSU-2018-123. M3 - Article. AN - SCOPUS:85062557103. VL - 105.
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Genetic Algorithm‐Based Variable Selection in Prediction of Hot Metal ...
2019年5月6日 Sulfur is considered as one of the main impurities in hot metal and hot metal desulfurization is often carried out using injection of fine‐grade desulfurization reagent. The selection of variables used for predicting the course of hot metal desulphurization requires expert knowledge. However, it is difficult to model the complex
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A Review of Modeling Hot Metal Desulfurization
Hot metal desulfurization serves as the main unit process for removing sulfur in blast-furnace based steelmaking. The available body of literature on modeling hot metal desulfurization is reviewed to provide an in-depth
اObtener precioEffect of magnesium injection process on hot metal desulfurization ...
2020年11月2日 The hot metal desulfurization process can be mainly categorized into three kinds: desulfurization with single granular magnesium injection, desulfurization with magnesium injection and desulfurization with in situ reduction of MgO. Guo et al. [ 4, 5] adopts the traditional single granular magnesium injection method.
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Optimalhotmetaldesulphurisationslagconsideringironlossandsulphurremoval ...
In this process magnesium and lime are injected into the hot metal. Most of the desulphurisation (>95%) takes place by the reaction between magnesium and sulphur in the bath (reaction 1). The formed MgS ascends to the slag layer and reacts with lime to form CaS (reaction 2).
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Mathematical simulation of hot metal desulfurization during KR process
2022年4月6日 A three-dimensional mathematical model was established to predict the multiphase flow, motion and dispersion of desulfurizer particles, and desulfurization of hot metal during the Kanbara reactor (KR) process. The turbulent kinetic energy-turbulent dissipation rate (k−ε) turbulence model, volume-of-fluid multiphase model, discrete-phase
اObtener precioLowering iron losses during slag removal in hot metal desulphurisation ...
Iron losses during the slag removal are the largest costs of the hot metal desulphurisation (HMD) process. Typically, during the slag skimming, more than half of the removed material is iron rather than slag. This means that, depending on the process scale, 500–3000 kg of iron is removed per heat.
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A pre-study of Hot Metal Desulphurization - DiVA portal
it usually takes 8 hours to get hot metal at the furnace bottom. The reduction reactions can be described to take place as follows: Fe 2 O 3 → Fe 3 O 4 → FeO → Fe. The hot metal from the blast furnace contains high contents of carbon, usually about 4.5%. This high content of carbon is beneficial for the desulphurization of hot metal.
اObtener precio(PDF) Hot metal desulphurisation simulator
2016年10月14日 The hot metal desulphurisation (HMD) is conducted typically in a ladle or a torpedo car. In the lance injection process, the desulphurisation reagent is injected pneumatically through an...
اObtener precioEffect of liquid phase in flux on hot metal desulfurization by ...
Dive into the research topics of 'Effect of liquid phase in flux on hot metal desulfurization by mechanical stirring process'. Together they form a unique fingerprint. ... 10.2355/tetsutohagane.TETSU-2018-123. DO - 10.2355/tetsutohagane.TETSU-2018-123. M3 - Article. AN - SCOPUS:85062557103. VL - 105.
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Products › Ironmaking and steelmaking › Hot Metal
Danieli Corus offers hot-metal desulphurization technology based on the co-injection of magnesium and lime/calcium carbide. This is a method that combines the advantages of both reagents: Magnesium achieves fast
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Rhian Woolf Tata Steel 2 Publications 3 Citations Related
Rhian Woolf is an academic researcher from Tata Steel. The author has contributed to research in topic(s): Slag Nepheline syenite. The author has an hindex of 1, co-authored 2 publication(s) receiving 3 citation(s).
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Desulphurisation in 21st century iron- and steelmaking
Because the HIsarna produces, and taps, hot metal continuously with a constant composition and temperature, it is ideal for continuous hot metal desulphurisation. Therefore, at Tata Steel in IJmuiden, the Netherlands, a new continuous hot metal desulphurisation (CHMD) process is being developed. In Chapter 8, this novel CHMD
اObtener precioJohan Björkvall 7 Publications 57 Citations Related Authors
Johan Björkvall is an academic researcher. The author has contributed to research in topic(s): Slag Mixing (process engineering). The author has an hindex of 4, co-authored 7 publication(s) receiving 57 citation(s).
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Modern Hot Metal Desulfurization - ukessays
Desulfurization was enhanced by co-injection of lime and magnesium into the hot metal transfer ladles [6]. The following dephosphorization and desulphurization technologies are reviewed: 1. Dephosphorization by the multirefining converter (MURC) process 2. Dephosphorization using CaO aggregates 3. Desulfurization by Magnesium 4.
اObtener precioGenetic Algorithm‐Based Variable Selection in Prediction of Hot Metal ...
2019年5月6日 Hot metal desulfurization serves as the main unit process for removing sulfur in blast‐furnace based steelmaking. The available body of literature on modeling hot metal desulfurization is reviewed to Expand 22 PDF Effect of magnesium injection process on hot metal desulfurization Jian-Ming Su, Zhi-he Dou, Ting’an Zhang, Yan Liu
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