The liquid phase fluidity of iron ore is a vital index of fundamental sintering characteristics. In this paper, FactSage software and a visible microsintering test device were used to research the ...
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; JSW Steel Limited, Torangallu, Karnataka. JSW Steel Limited, Torangallu, Karnataka. ... Iron ore fluxed sinter is the main ferrous burden of Jindal south west steel limited (JSWSL) blast furnaces. ... the granulation effectiveness and by the sintering process itself. It is wellknown that in fluxed sinter, the size of limestone ...
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2 Sinter Plant, JSW Steel Ltd, Bellary, Karnataka, India. 2986 Trans Indian Inst Met (2023) 76(11): 1 3 ... Material Selection for Sintering Process Raw materials like iron ore nes, limestone, dolomite, coke breeze, blast furnace return nes, sinter return nes, micro
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Sintering facilitates feed of iron ore fines in blast furnace, blended with fluxes and coking coal / coke. The depletion of iron ore quality poses new challenges to steel makers. There is a need to find alternate solutions maintaining optimal composition and metallurgical properties of the sinter to enable the production of highquality hot ...
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Optimizing iron ore proportion is significant for improving the performances of sintering process, and the cost of iron ores is important for iron and steel company. Linear programming is an effective optimization method, which can consider both the indices of ore proportion and the cost of iron ores at the same time. Therefore, in the present work, aimed for reducing the cost of sintering ...
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LD slag contains high amount of CaO, iron, and MgO, thus recycling it through sintering process helps in the saving of flux and iron ore. The recycled wastes have some effect on sinter quality, strength and productivity. JSW Steel Limited is a Mtpa integrated steel plant and produces 2000 to 2500 tons of LD slag per day.
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Sinter is the primary feed material for making iron in a blast furnace. During the iron ore sintering process in iron and steel manufacturing, sinter is created by mixing iron ore concentrate with several additives such as limestone and silica to control the chemistry and then igniting it at 1200°C in a continuous beltfed furnace. The production of highquality sinter is crucial for assuring ...
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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 blast furnace.
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Lump iron ore, fluxed/superfluxed sinter and acid/basic pellets are the major iron bearing materials. Because of high SiO 2 and Al 2 O 3 content in iron bearing materials, limestone and dolomite as fluxes are added in sintering process to promote the formation of low melting slag which helps in achieving the desired sinter properties.
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At present, the alumina content in the sinter grade iron ore fines at JSW Steel varies from 4 to 6%. The quality of iron ore presently being used calls for extensive investigations to produce low ...
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In the iron ore sintering process, the fine size of mm in the sinter base mix is influencing on the sinter mineralogy and sinter properties. The amount of adhering fine particles to nuclei is strongly influenced by moisture available for granulation. ... JSW Steel has setup Asia's largest beneficiation plant with a designed capacity of ...
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The proportioning of iron ore is the first step of the sintering process. It mixes different kinds of iron ores with coke, limestone, dolomite, and returned sinter to produce a raw mix for the ...
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In the iron ore sintering process, sinter mix consisting of the fines of iron ore, limestone, dolomite and solid fuel is mixed with water, granulated and charged on a traveling grate. The top layer is ignited, and the atmospheric air is continuously drawn through the bed. ... JSW Steel Ltd, Vijayanagar Works, Toranagallu, Karnataka, 583275, India.
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Sintering, which is also called 'frittage,' is the process of forming a solid mass of material through heat and pressure without melting to the point of liquefaction. This process involves the atoms in materials diffusing across the particle boundaries and fusing together into one piece. Sintering occurs naturally in mineral deposits, and ...
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This process allows the direct utilization of fine iron ores and coal instead of sinter and coke. The fluidized bed reactor system is fed with iron ore fines of a particle size smaller than 8 × 10 −3 m (Ahn et al., 2010) and additives such as limestone or dolomite. To heat up the raw iron ores in the last fluidized bed reactor (fluidized bed ...
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These results indicate the suitability of recycling RM in the Egyptian iron ore sintering process with an amount not higher than 3 wt. % of the total sinter mixture charge. ... Sinter plant at JSW ...
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Optimization of FeO in iron ore sinter at JSW steel limited. Ironmak Steelmak (2013) Sun et al. Effect of FeO content in ore on the properties of sinter; ... Mathematical modeling of natural gas injection in iron ore sintering process and corresponding environmental assessment of CO 2 mitigation. Journal of Cleaner Production, Volume 332 ...
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This chapter contains sections titled: Introduction Comparison of the Property of Iron Ore before and after Ore Dressing Sintering Ore Blending Optimization Model Model Application and Sinter...
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Abstract and Figures. Sinter plants process a mixture of iron ore fines, recycled ironmaking products, slagforming agents and solid fuel (coke) with the finality of obtaining a product with the ...
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A Review of Calcium Ferrite in Sintering of Iron Ore and The Effect of Gangue Composition on Its Formation February 2023 Academic Journal of Science and Technology 5(1):2531
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The sinter plant that converts the iron ore fines into a desirable blast furnace feed, offers an avenue for recycling wastes. One of the several wastes that are produced at an iron and steel plant is the undersized pellet fines, which cannot be directly used in iron making. The present study evaluated the influence of these pellet fines on the sintering process. 5 experiments were conducted ...
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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 and the key steps of the sintering process, namely, granulation and thermal densification, are identified. Discussion is then focused on the effect of the chemical ...
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Abstract. Iron ore granulation is an indispensable process in the production of sinter that can influence and regulate the yield, efficiency and quality. Although a great deal of research has been done on the granulation process over the past decades, we still need to think about the current and future development of this process, as sinter is ...
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In the iron ore sintering process, the resistance to air flow is a major factor in deciding the flame front speed, which influences the sinter productivity and quality.
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The liquid phase fluidity of iron ore is a vital index of fundamental sintering characteristics. In this paper, FactSage software and a visible microsintering test device were used to research the influence of the thermodynamic melt characteristics on the liquid phase fluidity under fixed CaO content conditions. The results show that the laws governing liquid phase fluidity of iron ore are ...
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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 blast furnace.
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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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The target basicity of iron ore sinter is set by blast furnace slag composition requirements, and therefore varies with the proportion of acid burden such as lump iron ore and pellets. Increasing the lump proportion of the burden will increase the target sinter basicity. The mineralogy of sinter produced with a range of basicity between and was analysed using optical point counting ...
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