WEBApr 1, 2012 · 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 indior of the thermal state of the sintering process and is employed as a quality control tool at many plants.
WhatsApp: +86 18203695377WEBApr 1, 2012 · The mill scale contains high amounts of Fe and low amounts of silica and alumina. Thus, recycling it through the sintering process helps in the saving of raw materials like iron ore and limestone. This paper presents preliminary findings of a study that investigates the potential for recycling steel mill scale in the sintering process.
WhatsApp: +86 18203695377WEBDec 7, 2019 · DRI fines, generated during its manufacture and handling, generate high content of fines in the size fraction less than 2 mm. It has iron content above 80%. It is difficult to directly use such ironrich material in the primary steel making process, without agglomeration. At JSW Steel Vijayanagar, around 50 to 70 tons per day of DRI fines .
WhatsApp: +86 18203695377WEBApr 1, 2012 · Abstract 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 .
WhatsApp: +86 18203695377WEBJan 1, 2017 · The iron ore sinter structure and its physical and metallurgical properties mainly depend on the raw material chemistry, size, size distribution and sintering process parameters. Pot grate ...
WhatsApp: +86 18203695377WEBJSW Steel Limited, Toranagallu – 583119, Bellary, Karnataka, India. Search for more papers by this author. Mahapatra, ... 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 18203695377WEBSintering or frittage is the process of compacting and forming a solid mass of material by pressure [1] or heat [2] without melting it to the point of liquefaction. Sintering happens as part of a manufacturing process used with metals, ceramics, plastics, and other materials. The nanoparticles in the sintered material diffuse across the ...
WhatsApp: +86 18203695377WEBThe iron ore sinter structure and its physical and metallurgical properties mainly depend on the raw material chemistry, size, size distribution and sintering process parameters. Pot grate ...
WhatsApp: +86 18203695377WEBMay 2, 2017 · Sinter quality requirements. Diagram ΔG°/T for the iron phases in the FeO system. (1) ΔG° of the Fe 3 O 4 (2) ΔG° of the FeO (3) ΔG° of the Fe 3 O 4 obtained from the FeO (4) ΔG° of the ...
WhatsApp: +86 18203695377WEBJan 1, 2015 · Iron ore sintering is a material preparation process employed worldwide in the production of iron and steel. According to statistical data on pollution, sintering plants rank second in terms of toxic emissions, after the incineration of municipal solid waste ( Menad et al., 2006, Remus et al., 2013 ).
WhatsApp: +86 18203695377WEBAug 24, 2016 · Abstract. Sintering is the most economic and widely used agglomeration process to prepare iron ore fines for blast furnace use. Owing to the depleting reserves of traditional high grade iron ore, there have been considerable changes in iron ore resources available throughout the world, especially in steel mills in East Asia.
WhatsApp: +86 18203695377WEBFeb 22, 2019 · During the iron ore sintering process, two types of particles are present in the sinter bed: (1) fines, which are actively taking part in melting and the formation of secondary phases, and (2) coarse ores, which are partially interacting with the surrounding melt. The quality of the final sinter is particularly determined by the secondary phases .
WhatsApp: +86 18203695377WEBThe heat hardening by oxidation is a process commonly used in iron ore pelletization process. The green pellets are fired in induration machine using Corex gas at JSW Steel Limited Pellet Plant.
WhatsApp: +86 18203695377WEBRecycling of steel plant mill scale via iron ore pelletisation process T. Umadevi*, M. G. Sampath Kumar, P. C. Mahapatra, T. Mohan Babu and Madhu Ranjan Mill scale is an iron oxide waste generated during steelmaking, casting and rolling. Total generation of mill scale at JSWSL is around 150 t/day and contains 60–70%FeO and 30– 35%Fe2O3.
WhatsApp: +86 18203695377WEBJul 26, 2023 · JSW Steel sinter plant receives iron ore fines of 10 mm size from Bellary Hospet region which consist of 3 to 9% bigger than 10 mm and 30 to 35% smaller than mm size fraction.
WhatsApp: +86 18203695377WEBEach individual is Giri and Roy Mathematical modelling of the iron ore sintering process 3 Schematic view of GA model 2 Schematic view of sinter bed height for heat and mass balance showing differential an array of parameters of sintering process that is to be tuned. The best individual of the run is chosen to be used in final simulation of the ...
WhatsApp: +86 18203695377WEBMar 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 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 18203695377WEBNov 1, 2008 · Iron ore sintering is an extremely complex process involving fuel combustion to generate heat and reducing gases like CO. This heat allows physicochemical, solid and solid–liquid reactions to form liquids of complex components as fuel particles are consumed and cooling processes allow the formation of solid mineral .
WhatsApp: +86 18203695377WEBJan 1, 2022 · increase the specular iron or e usage in sintering, goethitic iron or e up to 30% was introduced in sinter blend to overcome. the deteriorating nature of specular iron or e. The goethite iron or e ...
WhatsApp: +86 18203695377WEBNov 18, 2021 · Soon after, the group set up its first steel plant near Mumbai. Jindal Vijayanagar Steel was established in 1994, with its plant loed at Toranagallu in the BallariHospet area, heart of the highgrade iron ore belt in India. The company has operated under the name JSW Steel since 2005.
WhatsApp: +86 18203695377WEBJan 15, 2021 · The iron ore sintering process is one of the vital steps in an integrated steelmaking chain, the goal of which is to agglomerate iron ore fines into porous sinters with a high mechanical strength ...
WhatsApp: +86 18203695377WEBApr 11, 2014 · 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 basicity sinter with high alumina iron ore. Studies have been carried out on low and high alumina iron ore fines to know the influence of sinter ...
WhatsApp: +86 18203695377WEBFeb 21, 2021 · The lowsilica and low basicity sintering is an effective measure for improving iron grade of sinter and reducing the slag amount of ironmaking and steelmaking. Sintering of the mixture at basicity (,, and ) and SiO 2 content (,,,, and ) were conducted in a sintering pot, and the microstructures of typical sinters ...
WhatsApp: +86 18203695377WEBNov 13, 2016 · Optimization of this process means significant savings for the company. Bearing rings are produced by turning. One of the most important parts of the turning process is cutting tool.
WhatsApp: +86 18203695377WEBJan 24, 2020 · The crude steel yield of China accounts for 50% of that in the world. A large amount of NO xcontaining waste gas is discharged during the steel production process, causing serious pollution and damage to the emission of NO x in the sintering and pelletizing processes in China accounts for % of the total emission .
WhatsApp: +86 18203695377WEBUsually limonitic and goethite ore are associated with higher alumina and LOI. The conventional sintering process is one of the well established processes for high quality hematite ore. It does not fully respond to the low grade iron ore associated with goethite and limonite. This has led to deterioration in sinter properties and productivity.
WhatsApp: +86 18203695377WEBFeb 13, 2019 · Iron ore sintering process is the main source of PM 10 and PM throughout the whole steelmaking chain, accounting for 40% of the total amount. As PM 10 and PM characterized huge specific surface area and high surface activity, they tended to be the carrier of heavy metals, alkali metals and persistent organic pollutants .
WhatsApp: +86 18203695377WEBMar 1, 2012 · An oreblending optimization model for the sintering process is an intelligent system that includes iron ore characteristics, expert knowledge and material balance. In the present work, 14 indices are proposed to represent chemical composition, granulating properties and high temperature properties of iron ores. After the relationships between .
WhatsApp: +86 18203695377WEBJan 21, 2016 · Optimization of iron ore sintering process is to maximize the productivity and the sinter ore quality while minimizing the energy consumption. However, these economic and technical criteria are sometimes contradictory and the improvement of one criterion generally leads to the deterioration of other criteria. This paper aims to seek the .
WhatsApp: +86 18203695377WEBSince iron ore proportion is at higher side in the sinter mix, its size fraction is very important. JSW Steel sinter plant receives iron ore fines of –10 mm size from Bellary – Hospet region which consist of 3 to 9% bigger than 10 mm and 30 to 35% smaller than mm size fraction. It is well known that larger particles favour diffusion ...
WhatsApp: +86 18203695377WEBFeb 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 18203695377WEBOct 15, 2023 · Impact of Biopellet on Sintering Temperature Profiles. Figure 3 shows the temperature profile observed during iron ore sintering process at different proportions of biopellet. With an increase in biopellet the maximum temperature within the sinter bed reduces. In the presence of biomass, the water content required to granulate the sinter .
WhatsApp: +86 18203695377WEBOct 22, 2013 · This would be the first time an Indian steel company would use such a lowgrade hematite iron ore as raw material. So far, JSW Steel has used iron ore with 52 % iron content. JSW Steel has had a tough time in the last 2 years, when they were stabilising the 10Mt steel plant. Their requirement of iron ore is 15 Mt a year.
WhatsApp: +86 18203695377WEBThe sintering plant process comprises several key components. First, we have the raw material handling component, which stores and discharges the materials transferred from the material yard. Second, the sinter machine that produces the actual sinter ore. The third part is the crushing facility that crushes and screens the iron ore and conveys it.
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