The pelletization process is the primary consumer of binders in the iron ore industry. The selection of an appropriate binder type and dosage is of critical importance in producing good quality pellets at a reasonable price. Binders accomplish two very important functions in iron ore pelletization: .
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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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Biomass is a renewable and sustainable energy source, and it has now become an increasingly important alternative energy source in the iron ore sintering process [3, 4]. As compared with the usage of conventional solid fuel (coke breeze and anthracite coal) in the sintering process, biomass is carbon neutral and it has lower CO 2, NOx, and SO ...
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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 will consume the ...
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Raw materials for iron ore sintering comprise iron ore nes, uxes, and several other types of raw materials. Based upon the dierent characteristics of iron ore nes, a raw material mix optimization model as shown in Fig. 2 is used for blending raw materials in respective (wt.%) for making feed for the sintering process. The raw material mix ...
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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 ...
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A systematic analysis of industrial iron ore sinter product and associated sinter returns was undertaken. The samples were characterised through identification of the major macro and microstructural types present in these materials. Examination of the breakage surfaces of the particles indicates a strong correlation between mechanical sinter strength and sinter microstructure. Preferential ...
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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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The present work proposes a novel process to sinter porous iron ore (porosity ~2324%) with enhanced productivity and quality. The iron ore is preprocessed in the presence of calcined lime for the temporary closure of pores, which further prevents water absorption during the granulation process in drum in the presence of water. The calcined lime coated iron ore provides surface coating on ...
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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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Research to improve iron ore sintering is helping to maintain one of Australia's major exports. In order to maintain such high levels of production, new and increasingly mineralogically complex ores are being exported. These complex iron ores present unique mine planning and processing challenges and can impact feasibility through to handling ...
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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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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 which is ignited by a gas burner to initiate sintering process. The hot sintered ore is discharged at the end of the machine. The energy consumption in sinter plants in the ...
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The coke breeze consumption in the JSW Steel Limited sinter plant was high compared to many other sinter plants in the world, and as there was a local shortage, optimisation in the sinter plants was necessary. FeO is an indicator of the thermal state of the sintering process and is employed as a quality control tool at many plants.
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Ironbearing byproducts are rich in iron and carbon and are often reused in the iron ore sintering process. However, there are fewer studies on the effect of them on sintering flue gas pollutants.
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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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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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Sintering process is developed mainly to utilize under size of lump ore called iron ore fines; which otherwise, could not be charged directly in blast furnace. In order to conserve these, otherwise waste material, they are compacted together and made into lumps by a process known as is defined as the agglomeration of the ...
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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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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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