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 .
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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.
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WEBDec 11, 2022 · In contrast to the conventional iron ore sintering process, the temperature evolution in the sintering bed using the fuel segregation distribution sintering technology tended to be more reasonable ...
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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 ...
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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 ...
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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 ...
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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.
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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 ...
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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 .
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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 .
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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.
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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 ...
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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 .
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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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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 ...
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WEBFeb 1, 2020 · 1. Introduction. Iron ore sintering is a complied thermochemical process comprising various reactions and phase changes, and the cooled sintered ore produced is the main raw material for blast furnaces in most iron and steel plants [1].Iron ore sintering also entails high energy consumption and produces significant pollution, contributing the .
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WEBDec 1, 2017 · To Substitute coke breeze by charcoal in iron ore sintering process: Results are found negative on even 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 .
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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.
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WEBJul 5, 2019 · Applying hydrogen energy into iron ore sintering process is an efficient strategy to abate CO 2 emission. This investigation mainly focused on revealing the influence of H 2rich gas injection on sintering performance and elucidating the deep mechanism through both laboratory tests and mathematical model.
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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 .
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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 ...
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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).
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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 .
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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 ...
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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 .
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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 .
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WEBMar 9, 2020 · The accuracy and integrity of the actual production data influence the reliability and stability of sintering process in steel industry. However, the actual production data may encounter various outliers due to noise, sensor failure, and operator negligence existing in this process. To tackle this issue, this article develops an original framework .
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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 ...
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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 .
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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 ...
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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 ...
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WEBSintering is the most widely used agglomeration process for preparing iron ore fines for blast furnace appliions. We are using our expertise in iron ore sintering and evaluation of blast furnace burdens to assist industry to maximise the value of their resources, optimise product quality and reduce their environmental footprint.
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WEBJan 15, 2021 · The iron ore sintering process is one of the vital steps in an integrated steelmaking chain, the goal of which is to agglomerate iron ore fines into porous sinters with a high mechanical strength ...
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WEBJul 28, 2023 · 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 a sintering machine, and an annular cooler. Once the sintering is completed, hot sinter is discharged on the annular cooler and air is blown .
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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.
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