(PDF) Iron Ore Sintering: Quality Indices
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 ...
iron ore sintering process
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 .
Iron ore sintering
WEBJan 1, 2015 · Sintering is the most economic and widely used agglomeration process to prepare iron ore fines for blast furnace use. In this chapter, the sintering process is first described and the key steps of the sintering process, namely, granulation and thermal densifiion, are is then focused on the effect of the chemical, .
Clean recycle and utilization of hazardous ironbearing waste in iron ...
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).
Appliion of a clean fuel produced by electrolysis in iron ore ...
WEBDec 1, 2023 · During the iron ore sintering process, the resistance in the hightemperature zone is the most critical factor affecting the resistance of the sintering bed, as a lot of molten liquid phases are generated in the hightemperature zone. At higher Brown gas injection concentrations, the hightemperature zone is enlarged, the DTMT is .
The study of sunflower seed husks as a fuel in the iron ore sintering ...
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.
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.
Iron Ore to Sintering to Steelmaking
WEBJun 18, 2019 · But before all that iron ore can be turned into steel, it must go through the sintering process. Sinter is the primary feed material for making iron and steel in a blast furnace. We recently wrote about sintering in our sister blog, Advancing Mining. Read the article to learn more about how sinter quality begins with the mined iron ore and the ...
Mathematical modeling and distribution characteristics evaluation .
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.
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 .
Prediction model of burnthrough point with fuzzy time series for iron ...
WEBJun 1, 2021 · Sintering, a primary way to make highquality artificial iron ore from lowgrade iron ore, has received widespread attention. Sintering is a thermal agglomeration process, which involves several chemical–physical reactions (Chen et al., 2020). Burnthrough point (BTP) is a parameter with significant meaning in the iron ore sintering .
Multimodel ensemble prediction model for carbon
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 .
Superhigh bed sintering for iron ores: inhomogeneous
WEBOct 29, 2023 · Iron ore sintering was a semimelting process. Firstly, iron ore particles reacted with fluxes and generated liquid phase at high temperatures. Then, the liquid phase combined the dispersive unreacted iron ore (usually the core of coarse particles), and the liquid phase recrystallized and formed the bonding phase during cooling [12, 13]. In the ...
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 .
Investigation into the characteristics of H2rich gas injection over ...
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}, .
Improvement of heat pattern and sinter strength at high charcoal ...
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 .
Iron Ore Sintering: Environment. Automatic and Control Techniques
WEBFeb 16, 2017 · Abstract. Sintering is a process of agglomeration of iron ore fines, fluxes, recycled products, slagforming elements and coke with the purpose of achieving an agglomerated product with the ...
Effect of Ammonia Injection on the Iron Ore Sintering Process: .
WEBOct 11, 2023 · The experiment involving ammonia injection was conducted to minimize solid fuel consumption and carbon emissions during the sintering process of iron ore. The sintering bed temperature, sintered ore quality, combustion efficiency, and pollutant emission under different ammonia injection concentrations and coke ratios were .
Sintering Technology | PPT
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 ...
Disposal of zinc extraction residues via iron ore sintering process.
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. ...
Emission Profile of PM10 and in Iron Ore Sintering Process .
WEBFeb 13, 2019 · Iron ore sintering process is the main source of PM 10 and PM throughout the whole steelmaking chain, accounting for 40% of the total amount. As PM 10 and PM characterized huge specific surface area and high surface activity, they tended to be the carrier of heavy metals, alkali metals and persistent organic pollutants .
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 .
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 ...
Optimisation model of fuel distribution in materials bed of iron ore ...
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 ...
Iron Ore Agglomeration Processes and their Historical
WEBDec 28, 2015 · History of sintering of iron ore Middle of nineteenth century, small sintering pot used to be constructed in the copper mining in England. The origin of sintering process goes back to 1887 when F. Haberlein and T. Huntington of England invented the process of agglomeration for sintering of sulphide ores.
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 ...
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 ...
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. After ignition, the flame front forms in the upper ...
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.
Clean recycle and utilization of hazardous ironbearing waste in iron ...
WEBJul 5, 2018 · During sintering process, iron ore fines, recycled ironbearing materials (dusts and slags), fluxes (dolomite, limestone, etc.), and fossil fuels, such as coke breeze and anthracite, are thoroughly mixed and agglomerated into lumplike sinter under about 1300 °C provided by the combustion of fossil fuels [10].
A forecast model of the sinter tumble strength in iron ore fines ...
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 ...
The study of sunflower seed husks as a fuel in the iron ore sintering ...
WEBJan 1, 2008 · The sintering of iron ore in the laboratory scale reactor provided a reasonable representation of the plant scale process in terms of combustion characteristics. Comparison of results with an inert bed of alumina and with iron ore mix emphasised the need to carry out simulations with sinter mix rather than an inert substitute.
Three Dimensional Mathematical Model of the Iron Ore Sintering Process ...
WEBDec 1, 2012 · The iron ore sintering process is a key technology in the steel industry due to its possibility of recycling waste solids or powders internally produced during the raw materials handling or ...
Multisource Information Fusion for Autoformer: Soft ...
WEBAs a key thermalstate indior of the iron ore sintering process, the content of ferrous oxide (FeO) in the finished sinter is directly related to product quality. Based on the massive data of sintering process, the datadriven soft sensor model provides a good choice for realtime FeO content detection. However, the complex characteristics of the data, .
The study of sunflower seed husks as a fuel in the iron ore sintering ...
WEBThe iron ore sintering process has been identified as a significant source of persistent organic pollutants (POPs), such as polychlorinated dibenzopdioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs), which are collectively referred to as dioxins, and polycyclic aromatic hydrocarbons (PAHs). The sintering process is the main emission ...
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