effect of high manganese sinter in blast furnace

Experience of Using Manganese-Containing Materials in Blast-Furnace ...

2020.1.21 The paper discusses the experience gathered at the Yenakievo metallurgical plant and Dnepr metallurgical complex with respect to using manganese-containing materials in the blast-furnace charge, which results in one of the greatest

Making Blast-Furnace Ferromanganese with the Use of

2017.8.25 In the trial blast-furnace heats conducted to make ferromanganese,high-basicity manganese sinter was added to the charge in the amount 41% for a period of 27

Effect of Oxides of Magnesium and Manganese and the

2016.3.28 It was established by laboratory studies and confirmed by factory tests that the filterability of molten blast-furnace slag is affected by the presence of the oxides

A Review of the Production of Ferromanganese

2011.5.6 Today's main share of the worldwide high-carbon ferromanganese (HCFeMn) production is realized in submerged arc

Evaluation of Sinter Quality for Improvement in Gas

High RDI sinter deteriorates gas permeability in the upper part of the blast furnace because the particle size of the sinter is easily reduced by reduction degradation (powdering) in

A Review of the Production of Ferromanganese in Blast

The production of high-carbon ferromanganese in blast furnaces is reviewed, based on public literature and requests to consultants and suppliers to the industry.

Properties of blast-furnace slags containing high amounts of manganese ...

1999.2.1 A study was undertaken to assess the properties of five ground granulated blast-furnace slags produced by the ferroalloy industry. These slags are characterized by

Sintering - Springer

2020.8.18 sinter degradation in the blast furnace during the reduction in the low-temperature zone; reducibility test, as it gives a measure of the ability of the sintered

Assessment of blast furnace behaviour through

2024.1.8 The increased fuel rate in sintermaking causes an increase in FeO content of sinter. The present paper discusses the effect of high FeO and lowering MgO in sinter

Charge material distribution behaviour in blast furnace charging system ...

2020.4.15 This research paper presents discrete element modelling (DEM) study to investigate, characterise and compare the effects of initial positioning of high flowability

Investigating the Effect of the Iron Ore Pellet Addition on the ...

2024.1.8 The efficient operation of a blast furnace requires burden materials with high softening temperatures and a narrow softening–melting range. This leads to the formation of a thinner cohesive zone in the lower part of the furnace, which improves permeability. In this study, softening–melting tests were conducted on pellets with different levels of basicity,

Blast Furnace Productivity and the Influencing

2013.6.23 Sinter is to have optimum grain distribution, high strength, high reducibility, high porosity, softening temperatures greater than 1250 deg C, constant FeO content in the range of 7 % to 8 % and constant

Effect of Mixed Charging of Nut Coke and Sinter on

In this paper, the effect of mixed charging of nut coke and sinter on reduction and softening-melting properties in the hydrogen-rich smelting process of blast furnace is studied. The results showed that the close contact between nut coke and sinter promoted carbon dissolution and water–gas reaction to generate more CO and H2, thus increasing ...

Review of hydrogen-rich ironmaking technology in blast furnace

The global warming promotes the steel industry to replace part of coke by injecting hydrogen-rich fuel into the blast furnace to reduce CO2 emissions and energy consumption. In this paper, the injected hydrogen-rich fuels and effects of hydrogen-rich smelting on burden reduction and property evolution were introduced, and the hot events related to

Investigating the Effect of the Iron Ore Pellet Addition

2024.1.11 content compared to iron ore or sinter, making them suitable for blast furnace feed. In the blast furnace, a combination of different iron-bearing materials (IBM) is charged since no single IBM can meet the required slag chemistry.3,4 By dissect-ing a chilled furnace,5,6 it has been observed that the furnace consists of a granular zone

Effect of FeO concentration in sinter iron ore on

2022.10.1 Request PDF Effect of FeO concentration in sinter iron ore on reduction behavior in a hydrogen-enriched blast furnace Japan started the national project “COURSE 50” for CO2 reduction in ...

Behavior of chromium in the reduction and smelting of high

2023.1.1 The smelting experiments were carried out in a high-temperature electric furnace. Fig. 1 shows the schematic diagram of the experimental process. The raw materials used in the study included nickel laterite sinters, iron ores, coke, CaCO 3, and SiO 2.The nickel laterite sinters, iron ores, and coke were dried in a drying oven at 110 °C for 3 h to

Impact of Sinter Basicity and Alumina on Softening Melting

2019.11.26 Softening–melting (SM) experiments have been carried out by using sinter basicity (CaO/SiO2) 1.74 to 2.09 and alumina content 2.90 to 3.39%. The objective of the work is to find the relation between sinter basicity and alumina on SM temperature range, so that we can improve the furnace performance. The increase in basicity of sinter

Effect of Nut Coke-sinter Mixture on the Blast Furnace Performance

2011.3.18 In meantime modern blast furnaces use nut coke with different amount (10–140 kg/t hot metal) and different grain size (10–40 mm) in the sinter layer to reduce the coke losses. The objective of ...

effect of high manganese sinter in blast furnace

The high permeability of the sinter allows an increased blast volume and thus an increased productivity of the blast furnaces, leading to lower specific thermal losses. The high reducibility reduces the fixed carbon consumption. Both effects have been taken into account in a blast furnace model developed by ERAMET Research Center.

Influence of sinter basicity (CaO/SiO2) on low and high

2014.4.11 Abstract. Iron ore sinter, constituting a major proportion of blast furnace burden, significantly impacts the blast furnace performance. The chemical composition of iron ore fines, particularly alumina, sinter basicity and sinter MgO together with the thermal conditions that sinter blends are subjected to play an important role in the formation of

Effect of Nut Coke-sinter Mixture on the Blast Furnace

In meantime modern blast furnaces use nut coke with different amount (10–140kg/t hot metal) and differ-ent grain size (10–40mm) in the sinter layer to reduce the coke losses. The objective of this paper is to clar-ify the inﬂuence of nut coke on the shaft permeability and sinter reducibility under blast furnace simulating conditions.

Study on Sintering Technology of Manganese Ore Fines

2024.6.20 The experimentation allowing comparison of manganese ore fines pellet sintering and traditional sintering of manganese ore fines in terms of sintering performance are studied. The results show that, compared with traditional sintering, the pellet-sintering process can significantly reduce the coke level while ensuring the quality of sinter. Pellet

What are the advantages and disadvantages of high silica in

ArcelorMittal South Africa. High silica, low alumina iron ores have no specific disadvantage in blast furnace iron making, unless silica is so high that it results in large slag volume. Low Al2O3 ...

Optimisation of MgO addition in low and high silica iron ore sinter

2013.12.6 A recent trend in blast furnace operation shows that there is a considerable increase in usage of dolomite as a basic flux either directly or through sinter. Recently the silica levels in the sinter product of Sinter plant 1(SP1) of JSW Steel Limited have been fluctuating in the range of 55–96% due to variation in silica content of iron ...

Magnesium-containing pellet regulating blast furnace

2024.5.26 MgO participates in all stages of sintering, pelletizing, and blast furnace ironmaking, and synergistically optimizing the distribution of MgO in ferrous burden can effectively enhance the interaction within the ferrous burdens and optimize the softening–melting properties of the mixed burden. Magnesium-containing pellets mixed

Fundamental mechanism of effects of MgO on sinter strength

2019.11.6 MgO-containing flux may have a series of effects on the quality of sinter and performances of the blast furnace. Thus, the fundamental mechanism of the effects of MgO on the sinter strength was investigated. Both the chemical reagent and industrial flux were used for preparing the specimens. The experimental results show that the sinter

Effectiveness of Using High Gas Pressure in a Blast Furnace

2015.12.8 This article refutes theoretical arguments that it is inexpedient to increase gas pressure in a blast furnace as a means of intensifying the smelting operation. The intensifying effect of higher gas pressure has been proven by the results obtained on three blast furnaces at the Novolipetsk Metallurgical Combine. The productivity of these

Blast furnace ironmaking and its ferrous burden quality

2022.1.1 The integrated iron and steelmaking route involves blast furnace (BF) ironmaking followed by basic oxygen furnace (BOF) steelmaking. The BF uses sinter, pellets, and lump ore as iron-bearing raw materials, and coke and pulverized coal as fuel and reducing agents to produce hot metal with consistent quality for the BOF process.

Improved iron-ore sinter for blast furnaces Steel in Translation

2015.7.26 Abstract. Technology has been developed for the production of fluxed local sinter and pellets with residual carbon for blast-furnace use. The new products have better metallurgical characteristics than existing materials.

A Review of the Production of Ferromanganese in Blast Furnace

Production of ferromanganese in blast furnaces High C FeMn world production has been in the order of the 5 Mtpy in the first decade of this century. In 2008, 4.795.100 t has been produced, of which 3.419.900 t in Asia [1]. China is the largest producer, making half of the world’s production.

Effect of Nut Coke-sinter Mixture on the Blast Furnace

2011.3.6 In meantime modern blast furnaces use nut coke with different amount (10–140 kg/t hot metal) and different grain size (10–40 mm) in the sinter layer to reduce the coke losses. The objective of ...

Effect of Oxides of Magnesium and Manganese and the

2016.3.28 It was established by laboratory studies and confirmed by factory tests that the filterability of molten blast-furnace slag is affected by the presence of the oxides MgO, MnO, and CaO, which are added to charge that is used to make sinter. The magnitude of this effect depends on the composition of the minerals that contain these oxides.

Effect of Nut Coke-sinter Mixture on the Blast Furnace

Among different ways to reduce the coke consumption in the blast furnace, not so much attention was paid for decreasing the coke losses through finding suitable application of small size coke called “nut coke”. In meantime modern blast furnaces use nut coke with different amount (10–140 kg/t hot metal) and different grain size (10–40 mm) in the sinter

Effect of Nut Coke-sinter Mixture on the Blast Furnace

The Sintering Process of Iron Ore Fines – IspatGuru

The process of sintering is basically a pre-treatment process step during iron making for the production of the charge material called sinter for the blast furnace from iron ore fines and also from metallurgical wastes (collected dusts, sludge and mill scale etc.). The sintering technology was originally developed for the purpose of utilizing ...

Measures of Decreasing Blast Furnace Fuel Consumption and

2008.9.1 However, in view of blast furnace operation, MgO is used to enhance the thermal stability, viscosity, and fluidity of slag when the Al20;i content increases because of the addition of imported ores. Thus, reasonable MgO content must be determined by the composition of slag systems for blast furnace, to avoid negative effect on sinter caused

Charge material distribution behaviour in blast furnace

2020.2.1 Bed permeability is a crucial factor in blast furnace performance which depends on the material distribution achieved through charging. Since a homogeneous bed of pellet and sinter is recommended ...

FactSage Studies to Identify the Optimum Slag Regime for Blast Furnace ...

2020.11.29 On increasing the MgO concentration beyond a value of 14%, the liquidus temperature of the slag system increases. The Blast furnace (BF) can be operated with 22% Al 2 O 3 slag without the use of ...

Slag and its Role in Blast Furnace Ironmaking – IspatGuru

2015.8.7 High Al2O3 slag is encountered mainly with Indian blast furnaces because of high Al2O3/SiO2 ratio in the iron ore as well as in the sinter and high ash content in the coke. These slags are having high viscosities. The viscosity of liquid slag is determined primarily by its temperature and the chemical composition.

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effect of high manganese sinter in blast furnace

Experience of Using Manganese-Containing Materials in Blast-Furnace ...

Making Blast-Furnace Ferromanganese with the Use of

Effect of Oxides of Magnesium and Manganese and the

A Review of the Production of Ferromanganese

Evaluation of Sinter Quality for Improvement in Gas

A Review of the Production of Ferromanganese in Blast

Properties of blast-furnace slags containing high amounts of manganese ...

Sintering - Springer

Assessment of blast furnace behaviour through

Charge material distribution behaviour in blast furnace charging system ...

Investigating the Effect of the Iron Ore Pellet Addition on the ...

Blast Furnace Productivity and the Influencing

Effect of Mixed Charging of Nut Coke and Sinter on

Review of hydrogen-rich ironmaking technology in blast furnace

Investigating the Effect of the Iron Ore Pellet Addition

Effect of FeO concentration in sinter iron ore on

Behavior of chromium in the reduction and smelting of high

Impact of Sinter Basicity and Alumina on Softening Melting

Effect of Nut Coke-sinter Mixture on the Blast Furnace Performance

effect of high manganese sinter in blast furnace

Influence of sinter basicity (CaO/SiO2) on low and high

Effect of Nut Coke-sinter Mixture on the Blast Furnace

Study on Sintering Technology of Manganese Ore Fines

What are the advantages and disadvantages of high silica in

Optimisation of MgO addition in low and high silica iron ore sinter

Magnesium-containing pellet regulating blast furnace

Fundamental mechanism of effects of MgO on sinter strength

Effectiveness of Using High Gas Pressure in a Blast Furnace

Blast furnace ironmaking and its ferrous burden quality

Improved iron-ore sinter for blast furnaces Steel in Translation

A Review of the Production of Ferromanganese in Blast Furnace

Effect of Nut Coke-sinter Mixture on the Blast Furnace

Effect of Oxides of Magnesium and Manganese and the

Effect of Nut Coke-sinter Mixture on the Blast Furnace

Effect of Nut Coke-sinter Mixture on the Blast Furnace

The Sintering Process of Iron Ore Fines – IspatGuru

Measures of Decreasing Blast Furnace Fuel Consumption and

Charge material distribution behaviour in blast furnace

FactSage Studies to Identify the Optimum Slag Regime for Blast Furnace ...

Slag and its Role in Blast Furnace Ironmaking – IspatGuru

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