WEBThe potential economic benefit of steam injection technology was calculated based on a 360m 2 sintering machine (the annual sinter output is tons), excluding the equipment modifiion and steam injection cost of 300,000; a profit of per year or dollars per ton sinter can be achieved. Therefore, lowcarbon and cleaner ...
WhatsApp: +86 18203695377WEBSep 25, 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 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 18203695377WEBJul 28, 2023 · In an iron ore sintering bed, combustion of solid fuel supplies heat needed for sintering of fine particles and determines the quality of the sintered ores and the productivity of the process.
WhatsApp: +86 18203695377WEBJul 15, 2023 · 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 .
WhatsApp: +86 18203695377WEBAug 1, 2018 · Iron ore sintering includes many chemical and physical reactions [1]. The operating mode is the combustion status of the sintering material layer under a specific situation of the power apparatus. ...
WhatsApp: +86 18203695377WEBJan 1, 2015 · Factors affecting dioxin emissions from iron ore sintering machines have been investigated by means of sinter pot tests (Nakano et al., 2009). The bed height, coke content, gas velocity, and afterburner were found to have insignificant effects. However, dioxin emissions were found to increase as the hearth layer increased and the distance .
WhatsApp: +86 18203695377WEBFeb 16, 2023 · The iron ore sintering process results in significant VOC emissions owing to the mixed combustion of fossil fuels, iron ore, and coke . Especially in typical iron and steelproducing cities such as Tangshan and Handan, iron ore sintering processes account for –% of the national VOC emissions [11,12]. In response to the large .
WhatsApp: +86 18203695377WEBNov 1, 2019 · The size segregation and voidage distribution down a green bed formed on an iron ore sinter strand were investigated experimentally and using Discrete Element Method (DEM). The simulated and experimental results showed that an increase in feed rate (from 6 kg/s/m to 18 kg/s/m) significantly decreased the level of vertical size .
WhatsApp: +86 18203695377WEBMay 1, 2020 · The sintering process of iron ore in a middle size sintering machine was analyzed using a multiphase mathematical model. New alternatives for replacing the fossil fuel coke breeze used at the sinter plant of integrated steelworks were considered in this paper. The model was used to investigate feasible and stable operations of the sinter .
WhatsApp: +86 18203695377WEBNov 21, 2008 · Further the simulation, there are obtained the timevariations of the optimal speed for the sintering machine at different distributions of iron ore's temperatures on the sintering band. View full ...
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 18203695377WEBApr 2, 2010 · Sintering emissions and their mitigation technologies. L. Lu, ... X. Li, in Iron Ore, 2015. 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 .
WhatsApp: +86 18203695377WEBJul 19, 2019 · The coke breeze supplies the necessary process heat. Iron ore sintering is the second most energyconsuming process in iron marking, and the main energy consumption comes from the combustion of carbon (Hu et al. 2019). Coke breeze is intimately mixed with moistened ore fines, limestone/dolomite, and industrial wastes like .
WhatsApp: +86 18203695377WEBJul 1, 2021 · iron ore are mixed with other products such as c oke . fines and fired at a temperature below the melting point . ... sintering machine off ga s heat recov ery Sint ering gas .
WhatsApp: +86 18203695377WEBDec 1, 2021 · The sintering raw materials are firstly mixed in a granulation process, which conducts their homogenization in a mixing drum with water addition (6–8%). DwightLloyd is the most used iron ore sintering machine in the world.
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.
WhatsApp: +86 18203695377WEBApr 1, 2015 · In an iron ore sintering bed, the combustion behaviour of coke particles together with velocity of the flowing gas stream determines the temperature, width and speed of the traversing flame front. A bed heat treatment mathematical model was formulated in an earlier study to describe this complex relationship. An area of .
WhatsApp: +86 18203695377WEBJan 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 18203695377WEBOct 15, 2023 · Abstract. In iron making process, sintering of iron ore fines is an integral step to utilize not only the ore fines but also to introduce a part of flux (limestone and dolomite) along with the sinter in blast furnace burden. In this way, the productivity of the furnace considerably improves. In this paper, some fundamental aspects such as the ...
WhatsApp: +86 18203695377WEBAug 1, 2014 · Iron ore sintering is an important industrial source of dioxin (PCDD/Fs), and the mechanism of generating dioxins in sintering process is very complex.
WhatsApp: +86 18203695377WEBFeb 17, 2021 · At present, only imported iron ore fines are used in Jingtang sintering plant. And it is hard to control the particle size of imported iron ores. Different iron ore fines are mixed properly before charged to sintering machine. It is an important means to solve this problem to seek the particle size matching between solid fuel and iron ore fines.
WhatsApp: +86 18203695377WEBJan 1, 2014 · Due to technological constraints, most sintering machines in iron ore sintering plants have an effective area of 360 m 2. This is the type considered in this study. The sintering process consists of proportioning, mixing, feeding, segregation, ignition, breaking, cooling, and screening.
WhatsApp: +86 18203695377WEBDec 1, 2018 · Thermal state of iron ore sintering in iron and steel production cannot be revealed straightforward, which is unfavorable for field operations. ... 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. The .
WhatsApp: +86 18203695377WEBExperimental Figure 6 shows the pot sintering machine with three loions of temperature measurement as used in the Giri and Roy Mathematical modelling of the iron ore sintering process 5 Schematic view of interaction between GA and sinter model present investigation.
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