china iron ore sintering systems
Application status and comparison of dioxin removal
development of sintering processes. 2 Dioxins in iron ore sintering process 2.1 Detection of dioxins in iron ore sintering process Compared with Europe, Canada, the USA, Japan and several other countries, it is relatively late for China to establish a list of dioxin emissions. The estimation of dioxin emission in China in 2014 was primarily ...
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(PDF) Effect of Process Parameters on Mineralisation
Carbon monoxide is the major hazardous component in flue gas exhausting from the iron ore sintering. This study aims to reduce the CO emission by changing the sinter parameters by sintering pot ...
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Zhengjian LIU | Professor | University of Science and Technology
The experimental study in this paper was carried out to clarify the mineralogical properties of the newly found calcium-rich iron ore and its behavior in the sintering process.
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Strengthening Granulating and Sintering Performance of Refractory Iron
May Concentrate Iron ore, as a refractory iron concentrate, deteriorates the permeability of the sintered layer during the sintering process due to its fine particle size and poor granulating performance. Therefore, it cannot be widely used in iron ore sintering. In this study, the strengthening granulation of May Concentrate Iron ore using pre …
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Introduction: Overview of the global iron ore industry
Turning to iron ore exports and imports, the tonnages are summarized in Table 1.1 for 2012 and 2018 (Australian Department of Industry, Science, Energy and Resources, 2021; US Geological Survey, 2020; United National Conference on Trade and Development (UNCTAD), 2021).As shown in Fig. 1.3, China is the largest iron ore …
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Online Dynamic Modelling for Digital Twin Enabled Sintering Systems…
The sintering process is a crucial thermochemical process in the blast furnace iron-making system. Tumble strength (TS), as a vital performance to assess sinter quality, is difficult to monitor due to the lack of timely measurement. Constructing a data-driven model for TS is an alternative for monitoring TS. However, the time-varying dynamic sintering process …
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Recent Advances and Research Status in Energy …
This review focuses on the recent progress and research status of energy conservation in iron ore sintering in China. The application of these technologies has …
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New understanding about the relationship between
C-bearing dust from steel industry is a kind of typically solid waste with poor surface activity. The iron ore sintering process has the potential on large-scale harmless utilization of COPR and C-bearing dust. This study proposes a new approach of co-utilizing COPR and C-bearing dust during limonitic laterite sintering process.
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Variation in Iron Ore Sinter Mineralogy with Changes in Basicity
The target basicity of iron ore sinter is set by blast furnace slag composition requirements, and therefore varies with the proportion of acid burden such as lump iron ore and pellets. Increasing the lump proportion of the burden will increase the target sinter basicity. The mineralogy of sinter produced with a range of basicity between 1.0 and 3.0 …
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A promising method to recover spent V2O5–WO3/TiO2 catalyst …
In the iron and steel metallurgical industry, vanadium–titanium magnetite containing about 10.0 wt.% TiO 2 and 0.5 wt.% V 2 O 5 is a type of raw material used for iron ore sintering . In some enterprises, the mature process of extracting Ti from blast furnace smelting, and recovering V from converter smelting has been established by …
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Intelligent Control of Sintering Process | SpringerLink
This section describes sintering process, analyzes its characteristics, and introduces the carbon efficiency and thermal state parameters. 1.1 Iron Ore Sintering Process. Dwight-Lloyd sintering machine is adopted in sintering process, as shown in Fig. 1.The qualified sinter produced by the sintering process is utilized in the blast furnace …
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(PDF) Thermodynamic Analysis of Iron Ore Sintering
According to China's current standards for sinter gas emissions, the pollutant gases CO, SO ... In the whole reaction system, the S amount in iron ore accounts for about 75%, and the S amount in ...
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By contrast, concentrations of Si in iron ores played a significant role in decreasing PCDD/F and PCB emissions in both sinter and dust samples. This study also confirmed the optimum size (< 1 mm ...
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Emission Control of Toluene in Iron Ore Sintering Using Catalytic
Especially in typical iron- and steel-producing cities such as Tangshan and Handan, iron ore sintering processes account for 18.7–30.0% of the national VOC emissions [11,12]. In response to the large VOC emissions from iron ore sintering plants, legislation has been introduced in China to regulate VOC emissions in the iron and steel …
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Iron ore sintering
Sintering is the most economic and widely used agglomeration process to prepare iron ore fines for blast furnace use. In this chapter, the sintering process is first described to identify the key steps of the process, that is, granulation and thermal densification. Discussion is then focused on the effect of the chemical, physical, and ...
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Exploratory Research on Full Cycle Sintering of Flue Gas
Yu Heng, Wang Haifeng, Zhang Chunxia, et al. Analysis of advantages and disadvantages of iron ore sintering flue gas circulation process [J]. Sintered pellets, 2014, 39(1):51-55.
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Insight into the high proportion application of biomass fuel in iron
Iron ore sintering is an essential stage among the whole steelmaking flow, the function of which is to process iron ores (<8 mm) into lumpy sinter, thereby providing raw materials for ironmaking (Clout and Manuel, 2003, Remus et al., 2012, Forsmo et al., 2008). ... Remus et al., 2012, Forsmo et al., 2008). In China, sinter takes up around 75% ...
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Automatic Ore Blending Optimization Algorithm for Sintering …
In actual sinter production, batching is a complex metallurgical and mathematical problem. Aiming at the problem of the precising batching of iron ore in the process of sintering batching, an automatic batching algorithm based on a Cartesian product to batch sinter was proposed for the first time. When the algorithm is applied to …
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Iron ore sintering
15.5. Conclusions. Sintering is the most economic and widely used agglomeration process to prepare iron ore fines for blast furnace use. Compared with …
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Progress of new technologies and fundamental theory about …
Wang Y Z, Liu Z J, Zhang J L, et al. Study of stand-support sintering to achieve high oxygen potential in iron ore sintering to enhance productivity and reduce CO content in exhaust gas. J Clean Prod, 2020, 252: 119855 doi: 10.1016/j.jclepro.2019.119855
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Recent Advances and Research Status in Energy Conservation of Iron Ore
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 steel …
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Application of steam injection in iron ore sintering: fuel …
iron and steel industry is still the pillar industry, vital to socioeconomic and sustainable development. Iron ore sin-tering is a crucial stage in the whole steelmaking flow, the function of which is to process iron ores (8 mm) into lumpy sinter, thereby providing raw materials for iron-making [1–5]. The sintering heat originates from fuel
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Discussion on intelligent manufacturing of sintering system and
Discussion on intelligent manufacturing of sintering system and application of big data technology: LIU Song 1, ZHAO Ya-di 1, GAN Li 1, FENG Wei 1, LI Fu-min 2, LÜ Qing 2: 1. Department of Computer Science and Technology, Tangshan College, Tangshan 063000, Hebei, China; 2. College of Metallurgy and Energy, North China University of Science …
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Comprehensive Technologies for Iron Ore Sintering …
iron ore resources and technical conditions, later develop-ment of thick-bed sintering technology in China results in a thickness of 200–300 mm for a long period compared …
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Iron ore pelletization
However, sinter and pellets are now the dominant blast furnace burden, because the natural lump supply has declined dramatically due to depletion of the world's high-grade competent iron ore resources. In addition, more iron ore concentrates are being produced due to the increasing need for beneficiation to upgrade low-grade iron ore …
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Study on the Basic Characteristics of Iron Ore Powder …
At present, iron ore relies heavily on imports in China. There are many kinds of minerals, and the grade and performance of iron ore are also different. The …
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Coupled Typical Coke Gasification and Sintering Ore Reduction …
Through thermodynamic calculation and high-temperature simulation experiments, the coupling behavior between gasification of high- and low-reactivity cokes and reduction of sintering ore in CO–N2–H2 mixed gas with 25% H2 volume fraction was studied, and the evolution of the coke carbon structure and the pore structure was …
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Effect of bed shrinkage on iron ore sintering process
Iron ore sintering entails high energy consumption and also produces significant pollution, responsible for the highest share of CO 2 emission, as well as SO 2 and NOx emissions, in the iron and steel production processes. 5 The SO 2 and NO X emissions from this process account for ∼70% and ∼40% of the total iron and steel …
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Recent progress in sustainable and energy-efficient …
Many fundamental studies and commercial tests have been conducted regarding the substitution of biomass for coke breeze in iron ore sintering during the …
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Numerical Analysis of Heat and Mass Transfer Coupled With Gaseous Fuel
Abstract. Iron ore sintering is a typical application of reactive porous media combustion (RPMC) which has been widely reported. In this work, a computational model of RPMC is developed, in which heat and mass transfer, as well as main chemical subprocesses in reactive porous media are incorporated. A gaseous-fuel injection …
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