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·Optimizing the ignition process reduced the solid fuel consumption due to the improved sintering performance Optimization of gaseous fuel injection for saving energy consumption and improving imbalance of heat distribution in iron ore sintering Acs Appl Energy Mater 207 2017 pp 230 242
·Iron ore sintering is a pre treatment technology to convert iron ore fines into porous and permeable sinters which are the most important burden materials fo r blast furnace The main process is
·Iron ore sintering is a very complex process and it can be described by several sub models which include the flow in porous media heat/mass transfer solid/gaseous fuel combustion melting solidification water evaporation vapor condensation oxidation and reduction Optimization of gaseous fuel injection for saving energy consumption
The iron ore sintering was characterized as a relatively uniform process of solid material coke combustion various modes of heat transfer and the complicated physical changes of solid particles The sintering bed was modeled as an unsteady one dimensional process of the solid materials with multiple solid phases which confers a phase on
The self accumulation heat balance of some plant sintering material was analyzed and model of the self accumulation heat and fuel appropriate distribution was quantitive computation of self accumulation heat was results show that the available accumulation heat ratio is about 35% when the sintering height is 600 the
·In this review the sintering process is first described and analyzed to identify the key factors affecting the structure and quality of iron ore sinter Under fixed sintering conditions the
·Iron ore sintering is a very complex process and it can be described by several sub models which include the flow in porous media heat/mass transfer solid/gaseous fuel combustion melting solidification water evaporation vapor condensation oxidation and reduction Iron ore sintering has been described in many previous studies [4 7]
·The iron ore sintering was characterized as a relatively uniform process of solid material coke combustion various modes of heat transfer and the complicated physical changes of solid particles
· 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 raw mix to a moisture
·The energy consumption in sintering process is about 10% 15% of the total energy consumed in iron and About the status and development trend of sintering waste heat power generation Sintering and Pelletizing 32 1 2008 Numerical simulation model of the iron ore sintering process directly describing the agglomeration phenomenon of
·The pressure to reduce the emissions of the flue gas pollutants from iron ore sintering is enlarging increasingly Based on the accumulation heat effect of sinter bed the reasonable distribution of fuel in sinter bed was identified through the calculation of material balance and heat balance of raw materials The sinter bed with a height of 300 mm was
·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] Important parameters and characteristics of sintering process As shown in Fig 2 all variables affecting
·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
·The integrated iron and steel industry is the most energy intensive 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 suitable feed for efficient iron
·The raw materials for iron ore sintering including iron ore return fine −5 mm sinter fluxes limestone dolomite quicklime and coke breeze were taken from a sintering plant of Baosteel China The chemical compositions and size distributions of iron ore return fine and fluxes are shown in Table 1
·The experiment involving ammonia injection was conducted to minimize solid fuel consumption and carbon emissions during the sintering process of iron ore The sintering bed temperature sintered ore quality combustion efficiency and pollutant emission under different ammonia injection concentrations and coke ratios were investigated The experimental
·Processes of coking iron ore agglomeration and ironmaking in blast furnace BF constitute over 75% of the energy consumption in all processes of iron and steel production and fuel consumption is the primary candidate of energy consumption [] Pulverized coal injection PCI technology is an important method to save expensive metallurgical coke in a BF and the
·Iron ore sintering is a thermal agglomeration process by mixing iron ore fines recycled products fluxes slag forming agents and solid fuel coke and manufacturing sinter product with suitable thermal and mechanical properties [] The process is complex and involves various phenomena such as momentum heat and mass transfer coupled with chemical
·DOI / Corpus ID 102777866; Modelling and analysis of the combustion behaviour of granulated fuel particles in iron ore sintering article{Zhao2018ModellingAA title={Modelling and analysis of the combustion behaviour of granulated fuel particles in iron ore sintering} author={Jiapei Zhao and Chin Eng
·Coke breeze is the main heat source in sintering process Its combustion yields enough amounts of heat which melts the sinter mix One of the factors that significantly affect the course of coke breeze combustion is its grain size [1 2 3] It is known that fine grained coke reduces permeability of the sinter mix and the use of coke breeze with particle size below 1
·This paper specifies the mathematical and physical modelling of the iron sintering process in laboratory conditions The aim is to get the simplest approach using thermodynamic software HSC Chemistry version 9 Outokumpu Research Oy Pori Finland that allows one to predict the output parameters based on the initial composition analysis As a
·However one of the significant consumables in the iron ore sintering process is the coke breeze as a fuel that imparts the heat to the sinter base mix to convert into agglomerate In most cases coke breeze is used as fuel for the sintering process due to its low volatile content high calorific value and low reactivity [3]
·It can be seen from Tables 1 and 2 that the blend with high iron grade has a high content of FeO wt % because it consisted of 70 wt % magnetite concentrate and 30 wt % fine ore The coke breeze has high fixed carbon content wt % and low volatile matter content wt % Methods The double layer sintering process is shown in Fig 1
