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 .
WhatsApp: +86 18203695377WEBNov 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.
WhatsApp: +86 18203695377WEBOct 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 .
WhatsApp: +86 18203695377WEBJul 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].
WhatsApp: +86 18203695377WEBMay 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 .
WhatsApp: +86 18203695377WEBOct 28, 2016 · Abstract and Figures. Sintering is an agglomeration process that fuses iron ore fines, fluxes, recycled products, slagforming elements and coke. The purpose of sintering is to obtain a product ...
WhatsApp: +86 18203695377WEBJun 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 .
WhatsApp: +86 18203695377WEBOct 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 .
WhatsApp: +86 18203695377WEBAs 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.
WhatsApp: +86 18203695377WEBDec 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 .
WhatsApp: +86 18203695377WEBJun 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 .
WhatsApp: +86 18203695377WEBJul 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 [
WhatsApp: +86 18203695377WEBSep 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 .
WhatsApp: +86 18203695377WEBMar 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 .
WhatsApp: +86 18203695377WEBJan 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 ...
WhatsApp: +86 18203695377WEBJun 20, 2020 · Iron ore sintering is an energyintensive process that converts iron ore fines into an agglomerated porous mass. Sintering plays a prominent preprocessing role in blast furnace smelting operations because of its unsuitability with finer ores.
WhatsApp: +86 18203695377WEBSintering 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.
WhatsApp: +86 18203695377WEBMay 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 ...
WhatsApp: +86 18203695377WEBApr 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 ...
WhatsApp: +86 18203695377WEBAug 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 ...
WhatsApp: +86 18203695377WEBFeb 5, 2016 · In iron ore sintering process, coke combustion can influence the NOx emission. At the same time, there are other sintering parameters which can also affect the NOx emission, such as water content, limestone particle size, MgO content and return fines content. This work focuses on the influence of these parameters on the NOx emission in ...
WhatsApp: +86 18203695377WEBMay 1, 2020 · The iron ore sintering process takes place at a moving strand where the air is sucked through the bed vertically while the strand moves. The phenomena that occur within the bed are complex and involve several chemical reactions. A model able to simulate the inner bed must consider the macroscopic phenomena of heat, momentum .
WhatsApp: +86 18203695377WEBDec 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 ...
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