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 .
WhatsApp: +86 18203695377
WEBJan 1, 2023 · The good sinter parameters with the lower CO emission are % carbon content and % water in the sintering mixture. ... Iron ore sintering process is an important sector for iron and steel ...
WhatsApp: +86 18203695377
WEBAug 1, 2019 · In this study, the optimisation model of fuel distribution base on numerical simulation was proposed to reduce the fuel consumption of sintering process. The simulation model of sintering process was carried out according to the heat and mass transfer, and the physical and chemical reactions of sintering. Then the heat income .
WhatsApp: +86 18203695377
WEBNov 1, 2023 · Granulation is an important process in iron ore sintering to increase particle size for better permeability. In this study, the granulation of mixed iron ore, coke, and flux in a rotating drum is studied by the discrete element method. ... In the granulation process, water plays an essential role and is commonly used as a reactant to aggregate ...
WhatsApp: +86 18203695377
WEBJun 10, 2022 · For the dusts which contain relatively high contents of iron, carbon, and calcium and low contents of impurities, they can be used directly as raw materials to partially replace iron ore, fuel, and/or flux to produce sinter by a traditional process, named iron ore sintering, for blast furnace (BF) ironmaking [9, 10]. At present, in China ...
WhatsApp: +86 18203695377
WEBNov 1, 2021 · Iron ore sintering is extensively used in the iron and steel industry all over the world to aid transformation of iron ore into porous and permeable sinters, mostly preferred in the blast furnace [].Coal has been the most preferred sinter fuel used in the iron and steel industries, but it poses significant negative effects on the environment and .
WhatsApp: +86 18203695377
WEBFeb 25, 2018 · The iron ore sintering process was simulated and computational domain was the same as the configuration of a sinter pot as shown in Fig. 1. Entrance of the sinter pot was defined as a velocity inlet. The magnitude of velocity was obtained from the experimental gasflow rate [7]. The bottom of the sinter pot was set to be pressure outlet .
WhatsApp: +86 18203695377
WEBDec 1, 2017 · The conventional process of iron ore sintering has several advantages such as (a) it enables to attain the desired size of feed for blast furnace (BF), (b) it produces a partially reduced feed, (c ...
WhatsApp: +86 18203695377
WEBJun 22, 2012 · The roles of iron ore, fuel, fluxes, and moisture in sintering granulation are also analyzed, and finally advanced granulation equipment and processes for industrial production, as well as their ...
WhatsApp: +86 18203695377
WEBJan 31, 2014 · The basic hightemperature properties of iron ore play a crucial role in optimizing sintering and ore blending, but the testing process for these properties is complex and has significant lag time ...
WhatsApp: +86 18203695377
WEBMineralogy and granulometry of iron ore fines, moisture employed for granulation, amount of flux such as lime, size and contents of coke breeze and limestone in granules, size distribution of granules, structure and permeability of the green mix bed and suction across the bed are some factors that control the complex interrelated physiochemical ...
WhatsApp: +86 18203695377
WEBJan 30, 2019 · The hightemperature characteristics of iron ores play important roles in optimizing ore proportion of sintering, which are tested by using ironore fines and analytical reagent CaO as raw materials. Two calculation methods of CaO addition amount based on binary basicity (basicity method) and n(Fe2O3)/n(CaO) (mole ratio method), .
WhatsApp: +86 18203695377
WEBDec 29, 2023 · The water content of limonitic laterite ore is relatively high, and, in general, the free water content is more than 20%, and the crystal water is more than 12%. 16,17 Therefore, in the process of granulation, the water content of the limonitic laterite ore sintering mixture is much higher than that of an ordinary iron ore sintering mixture ...
WhatsApp: +86 18203695377
WEBDec 1, 2014 · Similarly during sintering process amount of coke, moisture, return sinter addition, suction below the grate bar, etc. play a vital paper experimental investigation on the green bed ...
WhatsApp: +86 18203695377
WEBJan 15, 2022 · In the iron making process, a high mechanical strength is favorable for iron ore sinters in the blast furnace, and the bonding phase is regarded as one of the key components that determines the ...
WhatsApp: +86 18203695377
WEBNov 15, 2020 · Sintering performance in the pelletsintering process was significantly improved with tumble index and productivity increasing by % and %, respectively, and solid fuel rate lowered by 33 ...
WhatsApp: +86 18203695377
WEBOct 1, 2008 · The selective granulation process is a new sintering process for high alumina iron ore fines, and can eliminate the adverse effects of 'hard to sinter' or 'unsuitable – for ironmaking' ores.
WhatsApp: +86 18203695377
WEBNov 1, 2021 · The iron ore sintering experiment was carried out according to the standard process. After weighing, mix all the raw materials, pour them into a firststage drum for dry mixing for 1 min, then pour them into a secondstage drum and add water for wet mixing, which continues for 10 min.
WhatsApp: +86 18203695377
WEBSep 24, 2023 · These tests were moisture absorption rate for a coarse iron ore (46 mm), adhesion of low moisture content fine iron ore ( mm) and one pseudoparticle coated with high moisture content fine ...
WhatsApp: +86 18203695377
WEBJul 1, 2011 · Coke combustion rate in an iron ore sintering process is one of the most important factors for quality and productivity of sintering iron ore. In order to improve coke combustion efficiency, a new ...
WhatsApp: +86 18203695377
WEBSep 1, 2022 · Iron ore sintering is a pretreatment step of smelting that agglomerates the iron ore using surface melting of green pellets to improve the quality of the steel product. The sintering process not only improves the quality of steel products, but also releases CO and CO2 gases, evaporates moisture, and improves the reducibility of iron ore to .
WhatsApp: +86 18203695377
WEBOct 1, 2016 · Semantic Scholar extracted view of "Identifying major zones of an iron ore sintering bed" by M. Pahlevaninezhad et al. ... In the integrated steel industries the sintering process plays an important role furnishing raw material to the blast furnace. ... Moisture transfer during the strand sintering operation was studied both experimentally .
WhatsApp: +86 18203695377
WEBJan 31, 2008 · The roles of iron ore, fuel, fluxes, and moisture in sintering granulation are also analyzed, and finally advanced granulation equipment and processes for industrial production, as well as their ...
WhatsApp: +86 18203695377
WEBFeb 1, 2023 · Intensifiion of the iron ore sintering process was approached by injecting hydrogenrich gas into the sinter bed. The loion of the injection was critical to the pyrolysis of the solid fuel ...
WhatsApp: +86 18203695377
WEBAug 1, 2017 · The basic hightemperature properties of iron ore play a crucial role in optimizing sintering and ore blending, but the testing process for these properties is complex and has significant lag time ...
WhatsApp: +86 18203695377
WEBMay 1, 2023 · Through recent studies, it was found that iron ore sintering can be used to treat MSWIFA(Gan et al., 2021). The use area of sintering machines in China has exceeded 160000 square meters, with an annual output of more than 1 billion tons of iron ore sinter, accounting for more than 60% of the global output(Ji et al., 2022).
WhatsApp: +86 18203695377
WEBJan 1, 2012 · Sinter is the main raw material for blast furnace iron making. To provide high quality sinter, the moisture content of the mixture in the sintering need to be in the best range.
WhatsApp: +86 18203695377
WEBJan 22, 2015 · Abstract. Flamefront speed has a large influence on sinter quality and production. To study the influence of flamefront speed on pisoliteore sintering, five tests were conducted in a laboratory sinter pot. Through varying mix moisture, flamefront speeds ranging from to mm/min were obtained. The results revealed that .
WhatsApp: +86 18203695377
WEBIn the integrated steel industries the sintering process plays an important role furnishing raw material to the blast furnace. In this work, a computational simulation of the sinter process is developed that is able to predict the most important phenomena within the sintering bed. ... Three dimensional mathematical model of the iron ore ...
WhatsApp: +86 18203695377
WEBFeb 1, 2017 · Iron ore sintering is an important part during the ironmaking process, and a large amount of SO 2 is also generated. Our previous research shows that it is an effective way to reduce SO 2 content of flue gas by adding urea to a special sintering material zone position. In this paper, the mechanism of selective desulphurization by adding urea .
WhatsApp: +86 18203695377
WEBJan 15, 2023 · Moreover, the conventional iron making unit, blast furnace requires the raw material in the form of iron oxide with a size range of 10–120 mm. Sintering is the oldest agglomerate thermal process using iron ore mineral fines of –8 mm, along with the reductant, fluxes, and other byproducts of the iron and steel industry operated ...
WhatsApp: +86 18203695377
WEBJul 19, 2019 · FeO so formed combines with SiO 2 and fluxes resulting in the formation of fluxed sinter.. The flexibility of the sintering process permits conversion of a variety of materials, including iron ore fines, captured dusts, ore concentrates, and other ironbearing materials of small particle size (, mill scale) into a clinkerlike agglomerate.
WhatsApp: +86 18203695377
WEBJul 11, 2018 · The iron ore pelletizing process consists of three main steps: 1. Pelletizing feed preparation and mixing: the raw material (iron ore concentrate, additives. — anthracite, dolomite — and ...
WhatsApp: +86 18203695377
A material supplier from Belgium would like to produce limestone powder for his custome...
India is rich in various mineral resources and it is an important mineral processing market
Copyright © 2023 GMC Co., Ltd. SiteMap
