WEBSep 1, 2016 · In iron ore sintering process, as shown in Fig. 1, raw materials including iron ores, fluxes, return fines and fuel are blended and mixed first. The blended mix is further granulated in drum with the addition of water to get a coarser particle size and narrower size distribution. The granules are then charged onto a moving strand forming .
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 .
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 .
WEBJan 1, 2014 · Iron ore sintering is a critical process in iron and steel production. It produces qualified sinter for the blast furnace [1]. The process is complex and nonlinear, and many of the process factors are coupled. Proportioning is the first step in the sintering process. The chemical components of the raw materials and their proportions determine ...
WEBMay 1, 2011 · The whole melting curve of iron ore during sintering process was obtained, and the melting characteristics of iron ore were defined and explained. The whole melting process of mixture, mixed by iron ore and CaO reagent at basicity of 2. 0 and 4. 0, respectively, was observed using a SiC heating furnace with camcorder unit, and the .
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 .
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 .
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 ].
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 ...
WEBDec 1, 2018 · The softmeasuring model of thermal process established is applied in a sintering field of Chinese iron and steel plant. The setting value of TRP, BRP and BTP of the sintering machine was 28 m, 33 m and 39 m respectively, according to the data analysis of exhaust gas temperature in stable sintering state.
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. ...
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 ...
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 .
WEBMar 20, 2020 · In the iron ore sintering process, it is desirable to maximize the productivity and quality of sinter while minimizing the fuel consumption for any given raw material (iron ore, flux and solid fuel) quality. However, given the complexity of the sintering process and the large number of manipulated variables, it is not practical for .
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 ...
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 .
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 ...
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 .
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 .
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 .
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.
WEBDec 1, 2017 · 4 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 ...
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 ...
WEBDec 1, 2017 · To Substitute coke breeze by charcoal in iron ore sintering process: Results are found negative on even 100% replacement of coke breeze with charcoal and also increasing the fuel input from % to %. Lu et al. (2013) [5] To perform quantitative analysis of Polychlorinated napthalenes (PCN) emissions generated from .
![[PDF] Appliion of deep learning in iron ore sintering process: .](/x13nh4u/269.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.
WEBSep 1, 2019 · The iron ore sintering process consists in high temperature agglomeration method where mainly sinter feeds together with fluxes, solid fuel, other ferrous materials and additives are mixed and charged into the sintering machine. The sinter product is the main raw material for hot metal production, which will later be transformed into steel.
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.
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 .
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.
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 ...
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