WEBNov 6, 2023 · The iron ore sintering process has the capability to handle and utilize complex raw materials, allowing for the reasonable utilization of zinc extraction residue. The addition of zinc extractant has been found to improve the sintering index, metallurgical properties, and gaseous pollutant emissions without significant negative effects. ...
WEBJun 8, 2023 · Iron ore sintering is the iron ore powder agglomeration process that changes fine iron ore powder into the lumpy ironbearing raw material used for blast furnace ironmaking. Hightemperature process and addition of alkaline flux will improve metallurgical performance of ironbearing raw material. Besides, the sintering process .
WEBSep 10, 2017 · Using biomass for partial replacement of coke breeze in ironore sintering process is an effective technique as a countermeasure against global warming. However, the sinter strength would be weakened due to the .
WEBMay 2, 2017 · operation. Sintering is a process of agglomeration based on the tem. perature (°C, Eisele and Kawatra, 2003). The objec. tive of the sintering process is the agglomeration of a mixture ...
WEBNov 16, 2020 · The sintering process is finalized to transform the small grained raw material into larger grained iron ore sinter of the right dimensions to be used in the blast furnace.
WEBJul 15, 2022 · Iron ore sintering is an agglomeration process of iron ore fines, fluxes, fossil fuel (coke and coal), and some ironbearing waste materials in the ironmaking and steelmaking industry . Sinter is one of the main raw materials used in a blast furnace (BF) accounting for more than 70% ferrous burden of BF in China [ 2 ].
WEBJun 1, 2016 · This study introduces a comprehensive 1D mathematical model of the iron ore sintering process by considering FGRS technology. This multiphase theorybased model considers most of the primary phenomena that occur in the sintering process, including the nine kinds of major gas–solid and gaseous reactions. Many of these .
WEBJul 1, 2019 · article{Huang2019InvestigationIT, title={Investigation into the characteristics of H2rich gas injection over iron ore sintering process: Experiment and modelling}, author={Xiaoxian Huang and Xiaohui Fan and Zhiyun Ji and Gan Min and Xuling Chen and Yuanjie Zhao and Tao Jiang}, journal={Applied Thermal Engineering}, year={2019}, .
WEBAug 1, 2022 · In the sintering process, ... Modeling of combustion and heat transfer in an iron ore sintering bed with considerations of multiple solid phases. ISIJ Int., 44 (2004), pp. 492499, / View in Scopus Google Scholar [14] M. Pahlevaninezhad, M. Emami, M. Panjepour.
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 ...
WEBApr 27, 2023 · The effect of addn. of the iron ore on sintering process was also performed in a sintering pot, and the properties of the sinter samples were then examd. The melt formation and fluidity properties of the high alumina iron ore were not good, and it had adverse effect on sinter quality. The yield and strength of the sinter samples gradually ...
WEBJan 31, 2008 · It has been found that the most optimal both for the iron ore sintering process and the sinter quality is the use of WNS with a particle size of 30 mm, subjected to preliminary pyrolysis up to 873 K.
WEBSep 1, 2021 · Iron ore sintering production process. Usually, sinter should be produced with high strength. The tumble strength (TS), a strength parameter, is detected according to the standard ISO [23]. The general method is: putting the tested sinter sample into a tumble drum, and then rotating the drum for a total of 200 revolutions at a speed ...
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.
WEBAug 1, 2019 · An iron ore sintering process is the first procedure of steelmaking industry. It produces sinter for feeding into the blast furnace (BF). Empirical experiences show that a 1% decrease of iron grade (TFe) in produced sinter turns into a 2% increase of BF fuel ratio and a 3% decrease of BF output (Wang, 2011). So, the TFe is an important quality ...
WEBThrough the sintering pot test, the effects of coke breeze ratio, sinter mixture moisture, sinter mixture basicity and material bed depth on NO x emission were studied. The results show that reducing the ratio of coke breeze is beneficial to reducing NO x emission under the condition of certain sintering time and not affecting the quality of sinter. At the same .
WEBJul 1, 2019 · The iron ore sintering is a continuous production process, and the collected model inputs and output data are positioned on different time scales. We need to adjust these data forward or backward by using the time .
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 .
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 ...
WEBFeb 28, 2018 · This model was validated by sintering pot test, the simulation results of bed temperature at different depth were very close to the detection results. The sintering pot test shows that the sinter yield and quality indices had little change after the optimisation of fuel distribution, while the solid fuel consumption was decreased by kg t ...
WEBAug 24, 2016 · Sintering is the most economic and widely used agglomeration process to prepare iron ore fines for blast furnace use. Owing to the depleting reserves of traditional high grade iron ore, there have been considerable changes in iron ore resources available throughout the world, especially in steel mills in East Asia.
WEBAs the binary basicity increased, the strength of the samples first decreased and then increased, reach the minimum value at basicity, and the calcium ferrite and porosity of the samples gradually increased. The carbonfree sintering process does not change the consolidation process of iron ore, and it has theoretical feasibility.
WEBAug 1, 2018 · Iron ore sintering is a part of blast furnace ironmaking production. In order to upgrade the sintering automation and intelligent manufacturing, it is necessary to carry out sintering process ...
WEBJan 16, 2018 · The document discusses sinter making technology used in iron ore mining. It describes how iron ore fines generated during mining cannot be directly charged in blast furnaces due to size restrictions. Sintering is used to agglomerate the fines into a porous mass that meets size requirements. The key steps in sinter making include: 1) raw ...
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 .
WEBJul 5, 2018 · Iron ore sintering is an important channel to utilize Cbearing dust, but the poor surface activity worsens the permeability of the green bed and reduces the yield and quality indexes of sinters. Thus, the Cbearing dust dosage should be within 5% during iron ore sintering process (Gan et al., 2018).
WEBDec 1, 2020 · The iron ore sintering process has always attracted interest of researchers due to its complexity, large timedelay, coupling, and nonlinearity. For the problem of gas pressure fluctuation during the sintering ignition process, an intelligent control method of sintering ignition based on ignition temperature prediction is proposed [4]. The burn ...
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 ...
WEBMathematical modelling of iron ore sintering process using genetic algorithm B. K. Giri and G. G. Roy* 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 .
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 .
WEBOxygen enrichment is believed to improve productivity and reduce fuel consumption, while gas fuel injection is assumed to improve the product yield and quality in iron ore sintering process. It is important to understand the mutual effect of oxygen enrichment and gas fuel injection for combined usage of these two techniques. A mathematical model is .
![[PDF] Appliion of deep learning in iron ore sintering process: .](/endw6fs/167.jpg)
WEBMar 16, 2024 · The sintering process is an extremely complex industrial scene. As the main process of the blast furnace ironmaking industry, it has great economic value and environmental protection significance for iron and steel enterprises. It is also one of the fields where deep learning is still in the exploration stage.
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