— Sintering is a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slag-forming agents and solid fuel …
— Like other sintering processes, iron ore sintering converts iron ore fines of often ... In the research project, a pisolitic ore, which had a lot of coarse particles, was used for the induction bed and a Marra Mamba-type ore, which consisted of many fine particles, was used for the aging bed (Otomo et al., 2009). The aim of the MEBIOS process ...
— In 2001, Iron and Steel Institute of Japan began a research project on porous meso-mosaic texture sinter with the purpose of incorporating Australian goethite/limonite ores (characterized by a high …
— Iron ore sinter quality has a strong influence on the blast furnace productivity. Conventional wisdom says that the presence of the Silico-Ferrite-of-Calcium-and-Aluminium (SFCA) phases is crucial ...
— Sintering is a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slag-forming agents, and solid fuel …
— The present work proposes a novel process to sinter porous iron ore (porosity ~23–24%) with enhanced productivity and quality. The iron ore is pre …
— Iron ore fluxed sinter is the main ferrous burden of Jindal south west steel limited (JSWSL) blast furnaces. In sinter plant fluxes including limestone and dolomite are added to improve the sinter properties of iron ore and to provide an appropriate slag composition of the blast furnace. The raw material grain size affects the sinter process …
— The concentration of low-grade iron ores is vital to the continued availability of iron and steel in our everyday lives (Eisele and Kawatra, 2003;Kawatra and Claremboux, 2021a;Zhang et al., 2021).
— Corus as part of TSG, is looking into alternative fuels to reduces its sintering emissions especially the CO 2.This study has been carried out as a part of a joint RFCS project "Alternative Carbon Sources for the Sintering of Iron Ore" in collaboration with Betriebsforschungsinstitut (BFI), voestalpine Stahl, ArcelorMittal Bremen and Ilva SPA.
— The sintering process is an intricate system with a protracted process flow. The steps in the manufacturing line are primarily composed of the ingredients and mixing process, the sintering operation process, and the treatment of the sintered ore [39, 40].2.2 Important parameters and characteristics of sintering process. As shown in Fig. 2, all …
— According to the U.S. Environmental Protection Agency, the sintering process converts fine-sized raw materials, including iron ore, coke breeze, limestone, mill scale, and flue dust, into an agglomerated …
— The iron ore sintering process is the main source of VOCs emission in the iron and steel industry, and its VOCs emission accounts for about 69.6% . The organic compounds in the solid fuel and the oil components from the raw materials such as rolling oily sludge are pyrolyzed in the preheating layer (150–900 °C) to produce VOCs [ 9, 10 ].
— Fig 1 Flowsheet of sintering process. The iron ore fines are natural ore of size 0 mm to 10 mm. The raw mix (also called sinter mix) is made with the weighed amount of iron ore fines, limestone, dolomite, sand or quartzite fines (flux), solid fuel (coke breeze or anthracite) and metallurgical wastes (collected dusts, sludge and mill scale etc).
— The sinter process of iron ore with biomass carbon instead of coke breeze as fuel was investigated via thermodynamic analysis in this paper through a comparison of sinter composition indexes, metallurgical …
— The iron blast furnace is the most widely used and efficient producer of liquid iron; however, emissions from sintering and coking cause environmental pressure for the integrated steel works. The combustion of coke fines (breeze) during sintering contributes to greenhouse gases (e.g. carbon dioxide) and is a source of SO x and NO x emissions ...
— The iron ore blend for sintering depends to a great extent on ore properties. It is hard to determine the final sinter reducibility from the reducibility and ratio of single iron ores in a mixture. ... This study was carried out as a part of the research project named 'Fundamental Research on the New Technology of Super-thick Bed Load ...
— Proportioning is an important part of sintering, as it affects the cost of sintering and the quality of sintered ore. To address the problems posed by the complex raw material information and numerous constraints in the sintering process, a multi-objective optimisation model for sintering proportioning was established, which takes the proportioning cost …
— Sintering is an agglomeration process that fuses iron ore fines, fluxes, recycled products, slag-forming elements and coke. The purpose of sintering is to obtain a product with suitable ...
— Moreover, the conventional iron making unit, i.e. blast furnace requires the raw material in the form of iron oxide with a size range of 10–120 mm. Sintering is the oldest agglomerate thermal process using iron ore mineral fines of 0.5–8 mm, along with the reductant, fluxes, and other byproducts of the iron and steel industry operated ...
— In this section, the iron ore sintering process is described in detail, and the recognition method for the sintering process is designed based on the analysis of production requirements. ... of China under Grant 61210011, the Hubei Provincial Natural Science Foundation of China under Grant 2015CFA010, the 111 Project under Grant …
— Accurate computational models of sintering behavior would assist to enhance sinter quality and are anticipated to play a role in yield prediction. Sintering is a vital process in the manufacturing of iron and steel. As a consequence, the primary objective of these models will be a thorough simulation of mass and heat transport during the sintering …
— 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 optimal …
— Granulation of the sinter mix is an important step in the iron ore sintering process. Several experiments were conducted at the pilot scale to achieve the PI objectives before the new technologies are developed or installed. Greater permeability of the sinter bed and thereby higher productivity is achieved with an enhanced granulation index.
— 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.
— The experimental setup shown in Fig. 2 (a) consists of air supply system, fixed sintering reactor, exhaust gas analyzer and pressure, flow and temperature measurement systems. Eight S-type thermocouples were positioned in the axis of reactor at equal interval of 40 mm from y = 40 mm (TC 1) to y = 320 mm (TC 8), as shown in Fig. 2 (a). A K-type …
— Iron ore sintering refers to the process of mixing iron ore, fuel, flux, and iron-containing waste produced in the ironmaking and steelmaking process in a certain proportion, and then the fuel is burned …
— Sintering emissions and their mitigation technologies. L. Lu, ... X. Li, in Iron Ore, 2015. 18.1.1 Key gaseous emissions from sinter plants. 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, …
— Sintering is a thermal agglomeration process that is applied to a mixture of iron ore fines, recycled ironmaking products, fluxes, slag-forming 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.
— 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 …
— Iron ore sintering flue gas containing large amounts of volatile organic compounds (VOCs) can form secondary photochemical smog and organic aerosols, thus posing a serious threat to human health and the ecological environment. Catalytic combustion technology has been considered as one of the most prospective strategies …
— 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 …
— Recovery of metallurgical dust by sintering inevitably incorporates Zn into the sintered ore, which can have a significant impact on the ore formation process and the quality of the resulting ore. Through miniature-sintering experiments and theoretical first-principles calculations, this paper analyzes in detail the influencing mechanism of Zn on …
— The present work proposes a novel process to sinter porous iron ore (porosity ~23–24%) with enhanced productivity and quality. The iron ore is pre-processed 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 …
— During the iron ore sintering process, its SiO2 content considerably affects the sinter quality. In this study, the effect of SiO2 content on iron ore sintering indexes was studied, with mineral composition and microstructure analyses. It was shown that the strength and reducibility of sintering products improved when SiO2 content increased. …