WEBOct 1, 2016 · According to bed permeability versus mix moisture curves obtained in ... Peak temperature plays an important role on the generation of melt phase. The melting kinetics and melt phase fluidity are dependent on peak temperature in combustion layer of sintering bed. ... Iron ore sintering process is a typical example of filtration .
WhatsApp: +86 18203695377
WEBJan 22, 2015 · Abstract. Flamefront speed has a large influence on sinter quality and production. To study the influence of flamefront speed on pisoliteore sintering, five tests were conducted in a laboratory sinter pot. Through varying mix moisture, flamefront speeds ranging from to mm/min were obtained. The results revealed that .
WhatsApp: +86 18203695377
WEBSep 24, 2023 · Granulation [5, 6], as a preparation process for sintering, affects the bed permeability, which is crucial to the sinter quality and the energy consumption of the sintering process. Water plays an essential role in the granulation process as a bridging fluid among particles [7,8,9]. When the amount of water is insufficient, there is no .
WhatsApp: +86 18203695377
WEBJan 1, 2000 · In contrast to the conventional iron ore sintering process, the temperature evolution in the sintering bed using the fuel segregation distribution sintering technology tended to be more reasonable ...
WhatsApp: +86 18203695377
WEBFeb 16, 2017 · Abstract. Sintering is a process of agglomeration of iron ore fines, fluxes, recycled products, slagforming elements and coke with the purpose of achieving an agglomerated product with the ...
WhatsApp: +86 18203695377
WEBJan 1, 2023 · The good sinter parameters with the lower CO emission are % carbon content and % water in the sintering mixture. ... Iron ore sintering process is an important sector for iron and steel ...
WhatsApp: +86 18203695377
WEBMar 1, 2022 · Iron ore granulation process is simulated by the discrete element method to understand the dynamic behaviour of iron ore particles. The results show that the macroscopic particle flow transits from rolling regime to cascading regime after water addition, with the angle of repose of particles increasing and the level of particle size .
WhatsApp: +86 18203695377
WEBJan 15, 2023 · Moreover, the conventional iron making unit, 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 –8 mm, along with the reductant, fluxes, and other byproducts of the iron and steel industry operated ...
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
WEBJan 26, 2014 · The appropriate content and distribution of sinter moisture play an important role in the granulation of iron ores. In this study, the effects of porosity, size distribution, and particle shape on the water absorption rate (WAR) of four types of iron ores were analyzed by using the immersion method and capillary water absorption method. In .
WhatsApp: +86 18203695377
WEBJan 15, 2022 · In the iron making process, a high mechanical strength is favorable for iron ore sinters in the blast furnace, and the bonding phase is regarded as one of the key components that determines the ...
WhatsApp: +86 18203695377
WEBApr 1, 2022 · Granulation is a key operation unit in preparation of iron ore raw materials. This work presented an experimental study on the iron ore granulation and sintering using a novel horizontal highshear granulator and a traditional drum granulator. The mixing and granulation performance and the effect of granulation on sintering indiors were .
WhatsApp: +86 18203695377
WEBNov 15, 2020 · Sintering performance in the pelletsintering process was significantly improved with tumble index and productivity increasing by % and %, respectively, and solid fuel rate lowered by 33 ...
WhatsApp: +86 18203695377
WEBApr 27, 2023 · Meanwhile, an iron ore sinter is a crucial material for the ironmaking process, and its chemical, physical, and metallurgical properties significantly impact the blast furnace (BF) performance. In turn, the main materials used for a sinter are iron ore fines, and their chemical compositions play a critical role in the sintering process. Due .
WhatsApp: +86 18203695377
WEBJan 15, 2024 · Iron 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 18203695377
WEBNov 1, 2021 · The iron ore sintering experiment was carried out according to the standard process. After weighing, mix all the raw materials, pour them into a firststage drum for dry mixing for 1 min, then pour them into a secondstage drum and add water for wet mixing, which continues for 10 min.
WhatsApp: +86 18203695377
WEBJan 31, 2008 · The roles of iron ore, fuel, fluxes, and moisture in sintering granulation are also analyzed, and finally advanced granulation equipment and processes for industrial production, as well as their ...
WhatsApp: +86 18203695377
WEBFeb 25, 2018 · The iron ore sintering process was simulated and computational domain was the same as the configuration of a sinter pot as shown in Fig. 1. Entrance of the sinter pot was defined as a velocity inlet. The magnitude of velocity was obtained from the experimental gasflow rate [7]. The bottom of the sinter pot was set to be pressure outlet .
WhatsApp: +86 18203695377
WEBNov 1, 2023 · Granulation is an important process in iron ore sintering to increase particle size for better permeability. In this study, the granulation of mixed iron ore, coke, and flux in a rotating drum is studied by the discrete element results of mixing indie that the particleparticle collision number is closely related to the composition of raw .
WhatsApp: +86 18203695377
WEBAug 1, 2017 · The basic hightemperature properties of iron ore play a crucial role in optimizing sintering and ore blending, but the testing process for these properties is complex and has significant lag time ...
WhatsApp: +86 18203695377
WEBJul 15, 2022 · (3) The water distribution played an excellent role in the ore powder granulation process and the permeability and heat transfer during the sintering process. If the water distribution were smaller or larger, it would reduce the sintering speed, prolong the sintering time and increase the total CO emission.
WhatsApp: +86 18203695377
WEBMar 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 18203695377
WEBNov 1, 2023 · Granulation is an important process in iron ore sintering to increase particle size for better permeability. In this study, the granulation of mixed iron ore, coke, and flux in a rotating drum is studied by the discrete element method. ... In the granulation process, water plays an essential role and is commonly used as a reactant to aggregate ...
WhatsApp: +86 18203695377
WEBOct 15, 2023 · The Iron and Steel industry plays a vital role in global economic growth, consuming a significant portion of the annual industrial energy, primarily sourced from fossil fuels. Sinter making is a crucial process in Ironmaking, .
WhatsApp: +86 18203695377
WEBJun 10, 2022 · For the dusts which contain relatively high contents of iron, carbon, and calcium and low contents of impurities, they can be used directly as raw materials to partially replace iron ore, fuel, and/or flux to produce sinter by a traditional process, named iron ore sintering, for blast furnace (BF) ironmaking [9, 10]. At present, in China ...
WhatsApp: +86 18203695377
WEBFeb 1, 2017 · Iron ore sintering is an important part during the ironmaking process, and a large amount of SO 2 is also generated. Our previous research shows that it is an effective way to reduce SO 2 content of flue gas by adding urea to a special sintering material zone position. In this paper, the mechanism of selective desulphurization by adding urea .
WhatsApp: +86 18203695377
WEBSep 1, 2016 · Modeling and optimization method featuring multiple operating modes for improving carbon efficiency of iron ore sintering process article{Chen2016ModelingAO, title={Modeling and optimization method featuring multiple operating modes for improving carbon efficiency of iron ore sintering process}, author={Xin Chen and Xiaoxia Chen .
WhatsApp: +86 18203695377
WEBDescription of the sintering process Iron ore is prepared as a suitable feedstock for the blast furnace by sintering, an agglomeration process, depicted in Fig. 1. This process is energy intensive and produces a considerable amount of carbon dioxide from the combustion of solid fossil fuels.
WhatsApp: +86 18203695377
WEBJun 22, 2012 · The roles of iron ore, fuel, fluxes, and moisture in sintering granulation are also analyzed, and finally advanced granulation equipment and processes for industrial production, as well as their ...
WhatsApp: +86 18203695377
WEBJul 1, 2020 · For instance, spent SCR alysts can be blended into the ironore sintering process [11], with heavy metals being recovered from the sintering dust [12]. However, the addition of spent SCR ...
WhatsApp: +86 18203695377
WEBAug 1, 2019 · Xiaohui Zhang et al. established the heat transfer mathematical model of iron ores' sintering process, and obtained the highest temperature distribution at different depths of sintering bed [11,12]. And the optimisation of fuel distribution in sintering process was proposed with the purpose of stabilising the highest temperature.
WhatsApp: +86 18203695377
WEBJul 19, 2019 · FeO so formed combines with SiO 2 and fluxes resulting in the formation of fluxed sinter.. The flexibility of the sintering process permits conversion of a variety of materials, including iron ore fines, captured dusts, ore concentrates, and other ironbearing materials of small particle size (, mill scale) into a clinkerlike agglomerate.
WhatsApp: +86 18203695377
WEBNov 1, 2023 · In normal sintering of iron ore, there is a wide difference in temperature of the sinter bed between top and bottom; the flame front temperature of the sinter bed gradually increases towards ...
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
