WEBJul 1, 2016 · Cheng et al. [13] reported that charcoal could be considered as the best replacement material for the coke in iron ore sinter process. Some researchers also investigated the huge economic ...
WhatsApp: +86 18203695377WEBJan 31, 2014 · The iron ore sintering process is displayed in Fig. 1. The process is to aggregate and burn raw materials, including iron ore, returning sinter ore, fluxes, and coke into sinter ore [26, 27 ...
WhatsApp: +86 18203695377WEBJul 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 ].
WhatsApp: +86 18203695377WEBOct 19, 2016 · The simplified process sequence is as follows. Raw materials consisting of iron ore fines, coke breeze, slag modifiers such as lime stone, dolomite, manganese ore, lime, quartzite, and sand etc., and waste materials such as mill scale, screenings, dusts, sludges, and converter slags etc. are batched and conveyed to a blending system.
WhatsApp: +86 18203695377WEBMay 1, 2017 · Iron ore sintering is a pretreatment technology to convert iron ore fines into porous and permeable sinters which are the most important burden materials fo r blast furnace. The main process is ...
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 18203695377WEBFeb 28, 2022 · The iron ore mixture for all the stages was the same and consisted of iron ore concentrate – %, sintering ore – %, lime – % and sintering additives (sludge, dust, scale) – %.
WhatsApp: +86 18203695377WEBMay 1, 2020 · The raw materials used in the iron ore sintering process are obtained from several sources, like iron ore (mining sinter feed), dust recycling from the steelworks facilities and necessary addition of slag agents for blast furnace and to enhance the sinter product quality, namely reactivity and mechanical strength, which plays crucial role on ...
WhatsApp: +86 18203695377WEBJan 1, 2014 · In a typical sintering process (Fig. 1), different types of iron ore are mixed in the first proportioning phase and sent to the next proportioning phase, where the iron ore mix is combined with coke, limestone, dolomite, and returned produces what is called the raw mix. A mixing drum adds water to the raw mix and sends it to a feed bin
WhatsApp: +86 18203695377WEBJan 1, 2022 · Abstract. 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 to ...
WhatsApp: +86 18203695377WEBMar 24, 2017 · ABSTRACT Sintering is a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slagforming agents, and solid fuel (coke). The purpose of the sintering process is manufacturing a product with the suitable characteristics (thermal, mechanical, physical and chemical) to be fed to the .
WhatsApp: +86 18203695377WEBJan 15, 2021 · The production of crude steel in the iron and steel industry in China has grown dramatically, which has made the country the world's largest steel producer since 1996 1,2,3. 40%–60% of the total ...
WhatsApp: +86 18203695377WEBJan 1, 2015 · Like other sintering processes, iron ore sintering converts iron ore fines of often − 8 mm sizing into larger agglomerates, namely, sinter, between 5 and 50 mm particle size, which possess the physical and metallurgical characteristics and gas permeability required for efficient blast furnace shown in Figure, iron ore sintering .
WhatsApp: +86 18203695377WEBAug 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 18203695377WEBJul 19, 2019 · Limonite (brown iron ore) used as a raw material for sintering is inexpensive, but problems include the fact that this ore combines strongly with water and has a coarse particle size. These properties have a serious impact on productivity in the sintering process (Lu and Ishiyama 2016). By solving these problems, this device .
WhatsApp: +86 18203695377WEBFeb 17, 2023 · Intensifiion of the iron ore sintering process is approached with a fourway framework covering granulation improvement, waste gas recycling, fuel gas injection into the sinter bed, and reduction of stack emissions. ... Similarly, hot metal pretreatment and steelmaking slags are added to the raw materials. Waste heat recovery boilers at .
WhatsApp: +86 18203695377WEBFeb 1, 2023 · The coke combustion rate in an iron ore sintering process is one of the most important determining factors of quality and productivity. Biomass carbon material is considered to be a coke ...
WhatsApp: +86 18203695377WEBMay 1, 2020 · ARTICLE IN PRESS Analysis of a compact iron ore sintering process based on agglomerated biochar and gaseous fuels using a 3D multiphase multicomponent mathematical model May 2020 Journal of ...
WhatsApp: +86 18203695377WEBNov 15, 2022 · Anthracite and coke are evenly coated by iron ore powder during the sintering raw materials granulation process. The granular sintering raw materials are loaded into the sintering machine, where the surface of sintering raw materials is ignited and sintered from top to bottom under the action of vertical airflow [24].As shown in Fig. .
WhatsApp: +86 18203695377WEBNov 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 results of mixing indie that the particleparticle collision number is closely related to the composition of raw .
WhatsApp: +86 18203695377WEBDec 24, 2019 · Energy Resources, Its Role and Use in Metallurgical Industries. Gupta, in Treatise on Process Metallurgy: Industrial Processes, 2014 Sinter Making. The iron ore fines (− 10 mm) are agglomerated using Dwight Lloyed sintering machine. The iron ore fines and coke breeze fines mix with moisture is fed on the sinter bed .
WhatsApp: +86 18203695377WEBJun 6, 2021 · ABSTRACT. Red mud (RM), the byproduct generated during the alumina extraction process, is considered a valuable second. ary raw material, since iron (20–54%) represents its major constituent ...
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