A Novel Sintering Process for Porous Iron Ore Sintering with Enhanced Productivity Satendra Kumar1 · Arvind Jaiswal1 · M. Siddaraju1 · Rameshwar Sah1 Received: 10 December 2021 / Accepted: 9 February 2022 ... 1 RD and SS Department, JSW Steel Ltd., Vijayanagar Works, Bellary, Karnataka 583275, India
WhatsApp: +86 18838072829The 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 ...
WhatsApp: +86 18838072829In 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.
WhatsApp: +86 18838072829The granulation of iron ore is an important process in the iron ore sintering. It strongly affects the permeability of sinter bed and then affects the productivity and properties of produced sinter such as strength and reducibility. The granulation ability of limonite ores was poor; they should be used with high granulation ability iron ores to ...
WhatsApp: +86 18838072829The 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 18838072829The 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 ...
WhatsApp: +86 18838072829Adding mill scale as an ingredient into the iron ore sintering or pelletizing process is the main utilization approach for mill scale because of its high iron content and positional advantages [10 ...
WhatsApp: +86 18838072829Sintering is a thermal process (°C) by which a mixture of iron ore, return fines, recycled products of the iron and steel industry (mill scale, blast furnace dusts, etc.), slagforming elements, fluxes and coke are agglomerated in a sinter plant with the purpose of manufacturing a sintered product of a suitable chemical composition ...
WhatsApp: +86 18838072829Sintering, 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 ...
WhatsApp: +86 18838072829This 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 ...
WhatsApp: +86 18838072829Sintering 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 ...
WhatsApp: +86 18838072829At 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 ...
WhatsApp: +86 18838072829A process for sintering involving iron ore microfines. 7. A process for manufacturing of calcium aluminate cement from secondary steelmaking byproduct. 8. A system for zinc removal from steel plant process waste and upgradation of its Fe values and a process thereof. 9. A process for beneficiation and iron making from lean iron ore fines using ...
WhatsApp: +86 18838072829HMDS 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 1400 to 1500 tons of HMDS Slag per day.
WhatsApp: +86 188380728292 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
WhatsApp: +86 18838072829The 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 ...
WhatsApp: +86 18838072829The 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 ...
WhatsApp: +86 18838072829An iron ore blend was prepared by mixing the iron ore nes with the required proportion of pellet nes. A small pile was prepared by layering the iron ore blend, coke breeze, ux and return nes on a weight basis, according to the propor tions mentioned in Table 1. After proper mixing, these raw materials were transferred to the granulation drum.
WhatsApp: +86 18838072829Abstract 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 ...
WhatsApp: +86 18838072829Abstract Coke breeze is the most common fuel used in sintering, and its usage depends on the alumina content and fineness of the sinter mix. 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 ...
WhatsApp: +86 18838072829Abstract Iron ore, pellets, and sinter were reduced with hydrogen at 800 °C to understand the degree of reduction and the mineralogical aspects. The weight loss of goethite and limonite iron ore was noticed to be lower than that of magnetite and hematite varieties. Xray diffractometry (XRD) indicated 100 pct Fe in the case of hematite, 93 pct in magnetite, 53 pct in goethite, and as low as ...
WhatsApp: +86 18838072829The 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 ...
WhatsApp: +86 18838072829Moreover, the conventional iron making unit, blast furnace requires the raw material in the form of iron oxide with a size range of 10120 mm. Sintering is the oldest agglomerate thermal process using iron ore mineral fines of mm, along with the reductant, fluxes, and other byproducts of the iron and steel industry operated ...
WhatsApp: +86 18838072829Abstract. In iron making process, sintering of iron ore fines is an integral step to utilize not only the ore fines but also to introduce a part of flux (limestone and dolomite) along with the sinter in blast furnace burden. In this way, the productivity of the furnace considerably improves. In this paper, some fundamental aspects such as the ...
WhatsApp: +86 18838072829Iron 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.
WhatsApp: +86 18838072829The 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.
WhatsApp: +86 18838072829The 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: .
WhatsApp: +86 18838072829For Example : BF Iron ore fines, Sinter fines, Pellet fines, Coke fines Flue Dust SMS Slag, Gas cleaning plant dust Sponge Iron Plant SIP Sludge, Iron Ore fines Rolling Mill Mill scale Iron Ore mines Iron Ore fines. Sintering process caught attention of steel plant managers around the world to take care of waste generated in the steel ...
WhatsApp: +86 18838072829Sinter quality begins with the mined iron ore and the proper selection and mixing of the raw materials. Inhomogeneous raw mix can affect permeability and cause an increase in fuel consumption. During the iron ore sintering process in iron and steel manufacturing, an online analyzer can be used to determine the elemental composition of the bulk ...
WhatsApp: +86 18838072829Sintering 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.
WhatsApp: +86 18838072829Iron ore sintering. L. Lu, O. Ishiyama, in Iron Ore, 2015. Conclusions. Sintering is the most economic and widely used agglomeration process to prepare iron ore fines for blast furnace use. Compared with pellets, production of sinter is cheaper, and compared with lump ore, fluxed sinter is often more reducible with better softening ...
WhatsApp: +86 18838072829Sinter plants agglomerate iron ore fines (dust) with other fine materials at high temperature, to create a product that can be used in a blast final product, a sinter, is a small, irregular nodule of iron mixed with small amounts of other minerals. The process, called sintering, causes the constituent materials to fuse to make a single porous mass with little change in the chemical ...
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