iron ore sintering process

Hybrid modeling and online optimization strategy for

WEBMay 1, 2019 · Iron ore sintering is the second most energy consuming process in ironmarking, and the main energy consumption comes from the combustion of carbon.

Alternative to deal with high level of fine materials in iron ore ...

WEBAug 1, 2019 · Keywords: Iron ore, Pellet feed, Roller press, Specific surface, Sintering pot test a) Isotherms of adsorptiondesorption with N 2 at 77 K of the pellet feeds A, B and C; (b) pore size ...

Experimental study of commercial charcoal as ...

WEBOct 1, 2016 · Iron ore sintering process is a typical example of filtration combustion in its industrial appliion [32]. Similarly, the heat utilization efficiency will reach to the maximum when the HTFS is equal to FFS.

Sintering: Most Efficient Technologies for Greenhouse Emissions ...

WEBJul 19, 2019 · It is also vital that the fuel is energyefficient and nonpolluting. To date, metallurgical grade coke breeze has been almost universally employed for the iron ore sintering process and is generally recognized as being the best fuel for this purpose (Niesler et al. 2014). Coke breeze is the undersize fraction arising from the screening of .

Operating mode recognition of iron ore sintering process based .

WEBMar 1, 2020 · Currently, the research on the iron ore sintering process is mainly focused on energy saving and environmental protection. Many researchers have contributed to the modeling and optimization for the carbon efficiency of the sintering process. A multimodel ensemble prediction model for carbon efficiency is built by Hu, Wu, Chen, Cao, and .

Enhanced Removal of Potassium, Sodium, and Lead During the Iron Ore .

WEBMay 9, 2024 · To alleviate the strain on the extensive demand for iron sources, reduce the cost, and transition towards greener metallurgy, ironbearing wastes like blast furnace dust and sinter dust, along with alkali metalrich or leadrich iron ores, are recycled through the iron ore sintering process [1,2,3,4,5].This practice, however, elevates the .

A novel performance assessment method of the carbon efficiency for iron ...

WEBOct 1, 2021 · After summarizing, this study describes a performance assessment method for the carbon efficiency in an iron ore sintering process. Two specific problems are considered for the improvement of the assessment accuracy: the improvement of prediction accuracy, and assessment accuracy. The main contributions of this paper are .

Mechanism research on arsenic removal from arsenopyrite ore .

WEBApr 11, 2017 · The mechanism of arsenic removal during a sintering process was investigated through experiments with a sintering pot and arsenicbearing iron ore containing arsenopyrite; the corresponding chemical properties of the sinter were determined by inductively coupled plasma atomic emission spectrometry (ICPAES), X .

Iron processing

WEBIron ore sintering consists of heating a layer of fines until partial melting occurs and individual ore particles fuse together. ... Instead, concentrates must be agglomerated by pelletizing, a process that originated in Sweden and Germany about 1912–13 but was adapted in the 1940s to deal with lowgrade taconite ores found in the Mesabi ...

Sintering | SpringerLink

WEBAug 19, 2020 · The sintering process can be defined as a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slagforming agents, and solid fuel (coke) with the objective of obtaining a product with the suitable characteristics (thermal, mechanical, physical, and chemical) to be fed to the .

Effect of nuclei particle shape and baffle setting on the drum ...

WEBJan 15, 2024 · Iron ore sintering is one of the key steps in the ironmaking process, where granulated pellets are transformed into sinter in the sintering machine, providing an ideal raw material for ironmaking blast furnace. Drum granulation in the sintering process plays an essential role in determining the final sintering performance.

Influence Mechanism of Zn on the Iron OreSintering Mineralization Process

WEBJan 18, 2023 · Recovery of metallurgical dust by sintering inevitably incorporates Zn into the sintered ore, which can have a significant impact on the ore formation process and the quality of the resulting ore. Through miniaturesintering experiments and theoretical firstprinciples calculations, this paper analyzes in detail the influencing mechanism of Zn on .

Influence of Oxygen Supply in an Iron Ore Sintering Process

WEBJul 15, 2011 · The technology of fuel gas utilization on the iron ore sintering process has been proposed as an alternative for reducing the environmental load and improvements on the sinter quality have been ...

Thermodynamic Analysis of Iron Ore Sintering Process Based on .

WEBNov 16, 2020 · The sinter process of iron ore with biomass carbon instead of coke breeze as fuel was investigated via thermodynamic analysis in this paper through a comparison of sinter composition indexes, metallurgical properties, and pollutant emissions. Straw charcoal was used in this paper, and its replacement does not adversely affect the .

A combined model for granule size distribution and cold bed ...

WEBJul 1, 1999 · Moreover, it can be integrated with a sintering model in order to describe the complete iron ore sintering process in a quantitative fashion. Introduction. Iron ore sintering is an important step in ironmaking by the blast furnace route. Sinter now accounts for more than 70% of the blast furnace burden. Raw sinter feed consisting of iron ore ...

Numerical Simulation Model of the Iron Ore Sintering Process .

WEBJan 1, 2000 · The iron ore sintering process is the second largest energy consuming process next to the blast furnace in overall integrated steel plant value chain. Sintering consists of two moving beds, namely ...

Mathematical modelling of iron ore sintering process using .

WEBAbstract A mathematical model of the iron ore sintering process in a fixed sinter bed and optimisation of the process parameters using real valued genetic algorithm is described. The mathematical model is formulated based on mass and energy balances in gas and solid phases, which are represented by simple partial differential equations. The model .

Numerical study of the dynamic behaviour of iron ore particles .

WEBMar 1, 2022 · 1. Introduction. For iron ore sintering technology, the granulation of iron ore particles is a highly important stage prior to the hot processing unit [1, 2].By means of granulation, the raw iron ore particles are agglomerated into the products with an appropriate size distribution, which guarantees the desirable green bed permeability and .

Hybrid multistep modeling for calculation of carbon efficiency of iron .

WEBOct 1, 2016 · Iron ore sintering is the second most energyconsuming process in steelmaking. The main source of energy for it is the combustion of carbon. To find ways of reducing the energy consumption, it is necessary to predict the carbon efficiency. In this study, the comprehensive carbon ratio (CCR) was taken to be a measure of carbon .

Modeling and optimization method featuring multiple

WEBSep 1, 2016 · Iron ore sintering is the process of heating iron ore fines, coke fines, and other materials to produce a semimolten mass that solidifies into porous pieces of sinter with a size and strength suitable for a blast furnace. It is the second most energyconsuming process in steelmaking. Its main source of energy is the combustion of coke, which ...

IronOre Sintering Process Optimization / Optymalizacja Procesu ...

WEBDec 1, 2015 · One of the possibilities to increase iron content in sinter is the modifiion of raw materials ratio, when iron ore materials are added into sintering mixture. If the ratio is in favor of iron ...

Deep Learning Based Feature Selection and Ensemble Learning for .

WEBSep 18, 2023 · Sintering is a commonly used agglomeration process to prepare iron ore fines for blast furnace. The quality of sinter significantly impacts the blast furnace ironmaking process. In the vast majority of sintering plants, the judgment of sintering quality still relies on the intuitive observation of the cross section at sintering machine .

NO x Reduction in the Iron Ore Sintering Process with Flue Gas ...

WEBFeb 13, 2017 · The process of the sinter pot tests included ore proportioning, mixing, granulation, ignition, sintering, cooling, sieving, and quality testing of the For simulating the FGR process, a sealed cover was added on top of the sintering pot after ignition, and the FGR gas was introduced onto the surface of the pot through the .

Harmless treatment of waste selective alytic reduction alysts ...

WEBDec 1, 2020 · In iron ore sintering process, raw materials, including iron ores, fluxes, fuel, and return fines, are blended uniformly and subsequently granulated in a tumbling granulator to form coarse particles with the addition of moisture (Fig. 1). The granules are charged onto a moving strand by a round roll feeder to form a porous packed bed.

Effect of bed shrinkage on iron ore sintering process

WEBJun 13, 2022 · Iron ore sintering entails high energy consumption and also produces significant pollution, responsible for the highest share of CO 2 emission, as well as SO 2 and NOx emissions, in the iron and steel production processes. 5 The SO 2 and NO X emissions from this process account for ∼70% and ∼40% of the total iron and steel .

Visualization Study on the Methane Segregation ...

WEBMay 1, 2017 · The study of sunflower seed husks as a fuel in the iron ore sintering process. Mineral Engineering 2008; 21: 167177. [3] Ooi TC, Thompson D, Anderson DR, Fisher R, Fray T, Zandi M. The effect of charcoal combustion on ironore sintering performance and emission of persistent organic pollutants. Combustion and Flame .

Weighted Kernel Fuzzy CMeansBased Broad Learning Model for .

WEBA key energy consumption in steel metallurgy comes from an iron ore sintering process. Enhancing carbon utilization in this process is important for green manufacturing and energy saving and its prerequisite is a timeseries prediction of carbon efficiency. The existing carbon efficiency models usually have a complex structure, leading to a time .

Experimental study on influencing factors of NO x emission in iron ore ...

WEBThrough the sintering pot test, the effects of coke breeze ratio, sinter mixture moisture, sinter mixture basicity and material bed depth on NOx emission were studied. The results show that reducing the ratio of coke breeze is beneficial to reducing NOx emission under the condition of certain sintering time and not affecting the quality of sinter.

Effect of ammonia injection stages and segregation degrees on .

WEBNov 15, 2023 · During the iron ore sintering process, there is a universally known feature of uneven heat distribution in the sintering bed [26], [27]. The sintered material is mixed, granulated, and then filled into the sinter machine with a uniform fuel distribution in conventional sintering processes.

Resource utilization of municipal solid waste ...

WEBAug 1, 2020 · For iron ore sintering process, both the calcium and iron are necessities. Therefore, the similarities of chemical compositions made iron ore sintering process a promising way to treat MSWI fly ash. Min et al. has explored the emission rule of dioxins and metallurgical properties of finished sinter after adding MSWI fly ash ( Yi et al., 2017 ...

Optimal proportioning of iron ore in sintering process based on ...

WEBMar 6, 2024 · Proportioning is an important part of sintering, as it affects the cost of sintering and the quality of sintered ore. To address the problems posed by the complex raw material information and numerous constraints in the sintering process, a multiobjective optimisation model for sintering proportioning was established, which takes .

Influence of Sinter Parameters on CO Emission in Iron Ore Sintering Process

WEBJul 15, 2022 · Iron ore sintering is an agglomeration process of iron or e ﬁnes, ﬂuxes, fossil fuel (coke and coal), and some ironbearing waste materials in the ironmaking and steelmaking industry [