WEBSep 1, 2021 · Iron ore sinter is an ordinarily utilized ironbearing burden in BF ironmaking unit. The sintering agglomeration procedure aims to form high strength sinter including granulating of the mixed materials, distributing the granulated materials and then igniting the fuels (coke or coal), sintering the ironbearing materials by the combustion of fuel in a .
WhatsApp: +86 18203695377
WEBJan 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 18203695377
WEBJul 19, 2019 · It is also vital that the fuel is energyefficient and nonpolluting. To date, metallurgical grade coke breeze has been almost universally employed for the iron ore sintering process and is generally recognized as being the best fuel for this purpose (Niesler et al. 2014). Coke breeze is the undersize fraction arising from the screening of .
WhatsApp: +86 18203695377
WEBSep 19, 2017 · For the ferrous burden of blast furnaces in China, sinter generally accounts for more than 70% and the sintering process accounts for approximately 6–10% of the total energy consumption of the iron and steel enterprise. Therefore, saving energy during the sintering process is important to reduce the energy consumption in the iron and .
WhatsApp: +86 18203695377
WEBJul 11, 2018 · The iron ore production has significantly expanded in recent years, owing to increasing steel demands in developing countries. However, the content of iron in ore deposits has deteriorated and lowgrade iron ore has been processed. The fines resulting from the concentration process must be agglomerated for use in iron and steelmaking. .
WhatsApp: +86 18203695377
WEBSinter 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 .
WhatsApp: +86 18203695377
WEBDec 1, 2018 · The softmeasuring model of thermal process established is applied in a sintering field of Chinese iron and steel plant. The setting value of TRP, BRP and BTP of the sintering machine was 28 m, 33 m and 39 m respectively, according to the data analysis of exhaust gas temperature in stable sintering state.
WhatsApp: +86 18203695377
WEBNov 3, 2021 · The sintering process is a thermal agglomeration process, and it is accompanied by chemical reactions. In this process, a mixture of iron ore fines, flux, and coal particles is heated to about 1300 °C–1480 °C in a sinter bed. The strength and reducibility properties of iron ore sinter are obtained by liquid phase sintering. The .
WhatsApp: +86 18203695377
WEBAug 16, 2023 · The iron ore sintering, as an essential raw material treatment process of blast furnace, mainly uses coke or anthracite as a heat source and emit a large amount of greenhouse gas (Annual Conference on Sintering Pelletizing Technology, 2022), which is not consistent with the current environmental protection requirements.
WhatsApp: +86 18203695377
WEBThe sintering process is a thermal agglomeration process, and it is accompanied by chemical reactions. In this process, a mixture of iron ore fines, flux, and coal particles is heated to about 1300 °C–1480 °C in a sinter bed. The strength and reducibility properties of iron ore sinter are obtained by liquid phase sintering.
WhatsApp: +86 18203695377
WEBSep 14, 2012 · [4] The iron ore sintering process has been considered the major emission source of NO and SO 2 in the iron and steel industry. The emission from the sintering plant accounts for more than 40 pct ...
WhatsApp: +86 18203695377
WEBSep 14, 2012 · Iron ore sintering in volves the movement of a flame front down a p articulate bed, and a se ries of phys. icochemical reactions over a large temperature range. In the li terature simple and ...
WhatsApp: +86 18203695377
WEBMay 1, 2011 · The whole melting curve of iron ore during sintering process was obtained, and the melting characteristics of iron ore were defined and explained. The whole melting process of mixture, mixed by iron ore and CaO reagent at basicity of and, respectively, was observed using a SiC heating furnace with camcorder unit, and the .
WhatsApp: +86 18203695377
WEBFeb 1, 2013 · The modelling approach proposed in this study for a sintering bed uses a flowsheet process simulator as the starting point for studying the effects of FGR on the sintering process. This paper is the first of two which will present comprehensive information on the modelling approach, and details of the modelling cases and the .
WhatsApp: +86 18203695377
WEBJun 24, 2023 · 2. a screened size of 10 mm to 30 mm, can withstand pressure and temperature conditions in the blast furnace. Principle of sintering Sintering is a thermal process (carried out at 1300 deg C to 1400 deg C) by which a mixture of iron ore, return fines, recycled products of the steel plant industry (such as mill scale, blast furnace .
WhatsApp: +86 18203695377
WEBApr 1, 2015 · A model of iron ore sintering was built with consideration of fuel combustion, alysis of sinter mixture as well as formation of melt and mineral, which was verified via sintering pot tests and showed a good fit to the experimental results. The effect of bed depth on temperature was reflected by the residence time in hightemperature zone, .
WhatsApp: +86 18203695377![[PDF] Sinter strength evaluation using process parameters under ...](/kd8ezfh/198.jpg)
WEBJul 25, 2016 · DOI: / Corpus ID: ; Sinter strength evaluation using process parameters under different conditions in iron ore sintering process article{Cheng2016SinterSE, title={Sinter strength evaluation using process parameters under different conditions in iron ore sintering process}, .
WhatsApp: +86 18203695377
WEBNov 16, 2020 · 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 properties, and pollutant emissions. Straw charcoal was used in this paper, and its replacement does not adversely affect the .
WhatsApp: +86 18203695377
WEBJan 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 18203695377
WEBJul 1, 2019 · This section describes the sintering process, defines the CCR, and presents the construction of MMEP model for the CCR. Process description. A typical DwightLloyd sintering process is shown in Fig. 1, which consists of proportioning, mixing, ignition, sintering, cooling, breaking, and sieving. Iron ore, returned sinter, coke, limestone ...
WhatsApp: +86 18203695377
WEBFeb 25, 2018 · Iron ore sintering process was simulated by an unsteady twodimensional mathematical model. The strength and yield of product sinter was predicted by numerical simulation. Effects of coke contents and addition heat supplement on sinter strength and yield were studied. Main conclusions obtained in this work are as follows: (1)
WhatsApp: +86 18203695377
WEBJul 25, 2016 · Fortunately, limited fundamental investigations on melting and bonding mechanisms in the iron ore sintering process provided a theoretical support for the work. For example, Wu et al. [26] carried out experimental study of assimilation characteristics of 12 kinds of iron ores which were very important to the fluidity of liquid phase and .
WhatsApp: +86 18203695377
WEBJul 25, 2016 · 1. Introduction. The integrated iron and steel industry is the most energyintensive sector, accounting for 10–15% of the total energy consumption in the world [1].In 2009, the CO 2 emission from Chinese iron and steel sector is nearly equal to 50% of the world's steel industry's CO 2 emission [2].It is aimed at converting iron ore fines to .
WhatsApp: +86 18203695377
WEBJul 1, 2014 · The feed of the iron ore sintering process consists of a moist agglomerate of finegrained iron ores, recycled materials, coke breeze and limestone. The feed is laid on a moving belt and coke particles in the top layer of the materials are ignited by gas burners thus creating a combustion front. Air is drawn downwards through the sinter bed ...
WhatsApp: +86 18203695377
WEBOct 1, 2016 · In the integrated iron and steel production, coking and iron ore sintering procedures contribute the highest share of CO 2 emission [5], as well as SO 2 and NO x. Therefore, reducing CO 2 emission in iron ore sintering procedures has been strongly required for the current environmental pressure and high cost of carbon emission in the .
WhatsApp: +86 18203695377
يرغب أحد موردي المواد من بلجيكا في إنتاج مسحوق الحجر الجيري لملابسه...
الهند غنية بالموارد المعدنية المختلفة وهي سوق مهم لمعالجة المعادن
Copyright © 2023 GMC Co., Ltd. SiteMap
