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China' s titanium resources, the primary titanium ore cannot be directly used to produce titanium dioxide, and the method of smelting titanium slag must be used to meet the needs. Usually, the EAF is used to heat and melt ilmenite, so that the high-content enrichment of
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nace smelting separation process [10-12], where titanomag-netite is successively pelletized, preliminarily reduced in a rotary hearth furnace, and smelted in an electric furnace for removal of titanium slag from vanadium-bearing molten iron. Semi-steel and …
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Titanium slags produced through ilmenite electric furnace smelting contain 60–80%TiO2, a vital titanium resource in the titanium industry. The processing and utilization of titanium slag is ...
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The process of titanium slag production is the process of smelting ilmenite concentrate in arc ore-thermal furnaces (OTF) in a semi-closed mode with the use of a powder …
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More than 65% of ilmenite is smelted using electric furnaces worldwide and 85% in China, where it is the primary production method for ilmenite [6]. Ilmenite is smelted in an electric furnace to obtain electric furnace …
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under laboratory condition, and the effect of end slag basicity, the smelting temperature, the smelting time and the amount of pulverized coal on the separation of slag– iron and the quality of hot metal were mainly investigated. The results showed that the reasonable smelting parameters for vanadium–titanium magnetite smelting of the ...
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The control temperature for smelting VTM using the HIsmelt process is 1425°C, with a reduction time of 20–30 min, which is conducive to the transfer of vanadium to the molten iron and the enrichment of titanium in the slag. To ensure vanadium and titanium are efficiently utilized, a basicity control of 0.8 is appropriate.
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There were two controlling factors, which should be kept balance of raw input and energy during titanium slag smelting in closed high power direct current electric arc furnace, DC furnace for short. The first factor contains compositions and ratio of input raw materials. Compositions of the raw could influence the progress and technical indicators of DC furnace smelting, and on the …
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Titanium Slag Smelting Furnace 3000kVA-33000kVA Professional Metallurgical Equipment Manufacturer Titanium Slag Furnace, Find Details and Price about Titanium Slag Smelting Furnace Electric Arc Furnace from Titanium Slag Smelting Furnace 3000kVA-33000kVA Professional Metallurgical Equipment Manufacturer Titanium Slag Furnace - Xi′an Abundance …
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The blast furnace smelting of vanadium–titanium ore plays a crucial role in the efficient utilization of vanadium-titanium resources. In this research, a detailed numerical simulation study of the temperature, velocity, and concentration fields during the smelting process in a vanadium–titanium blast furnace was conducted. The actual production data from a 1750 …
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Fluxless smelting of ilmenite to produce furnace slag as feedstock for the pigment industry is a well-established industrial practice with extensive installed smelting capacity globally.1–4 Commercial ilmenite smelters produce two products, namely titania-rich slag and a pig iron by-product. In contrast, smelting practices for titaniferous mag-
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This paper presents an overview of the titanium ore resources and the process of titanium slag smelting in Yunnan Province, examines the rationale for selecting a DC arc …
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Finally, the verified smelting experiments were conducted and successful separation of the molten iron from the titanium slag is obtained. The obtained vanadium-containing molten iron contains 0.681% V and 0.267% Ti, and the obtained titanium slag contains 52.21% TiO 2 (mass fraction), in which MgTi 2 O 5 is the primary phase.
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The blast furnace smelting process for vanadium titania-magnetite is shown in Fig. 1.The low concentration of TiO 2 with about 1.5 wt.% in the primary mineral can be enriched into titania-bearing slag with more than 20 wt.% TiO x, 29,30 as shown by the composition range in Table I; other oxides including CaO, MgO, SiO 2, and Al 2 O 3 are presented in the slag as …
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In response to the model defects that occur during viscosity prediction, this paper focuses on the high FeO-containing titanium-bearing slag produced by smelting vanadium–titanium magnetite with the HIsmelt process and employs the rotating cylinder method to measure the viscosity of the CaO–SiO 2 –Al 2 O 3 –MgO–TiO 2 –FeO slag ...
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The titanium-containing phases in the slag system are: black titanium, TiO 2, Ti 2 O 3, a small amount of titanium iron oxide, TiCN, TiC and some magnesium aluminum spinel. It can be noticed that the increase in carbon content changed the slag system composition and influenced to a certain extent the thermodynamic and kinetic process of the ...
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Radioactive elements associated with heavy mineral deposits may be removed from the ilmenite concentrate before smelting or, alternatively, from the high-titanium slag after smelting. The ilmenite, as mined, has a high Cr2O3 content and is not suitable for direct smelting to titania slag.
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Fluxless smelting of ilmenite to produce furnace slag as feedstock for the pigment industry is a well-established industrial practice with extensive installed smelting capacity globally.1,2,3,4 Commercial ilmenite smelters produce two products, namely titania-rich slag and a pig iron by-product. In contrast, smelting practices for titaniferous magnetite (or …
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In October 2023, China achieved successful commercialization of its inaugural 2,500 m 3 Hydrogen-enriched Carbonic Oxide Recycling Oxygenate Furnace (HyCROF), employing top gas recycling and pure oxygen smelting. Nevertheless, there has been a notable absence of studies regarding the application of OBF in the smelting of vanadium-titanium ...
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Electric-furnace smelting has become the dominant process for the production of the titanium slag from ilmenite in China. The crystallization behaviors of anosovite and silicate crystals in the high CaO and MgO titanium slag were studied to insure smooth operation of the smelting process and the efficient separation of titanium slag and metallic iron. The crystallization behaviors were …
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Chen, G., Qi, X.Z., Zhao, J. (2022) Report on Analysis of China Titanium Dioxide Industry's Economic Performance in 2021 and Future Development. China Coatings, 37 (04): …
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titanium slag with MgTi2O5 as the main phase for smelting vanadium titanomagnetite by the DR−EF process is not very clear. In this work, the thermodynamics and the related phase diagrams are investigated to obtain the suitable titanium slag compositions that can mitigate the titanium reduction and produce a higher titanium slag. Finally, the
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The smelting reduction process of the ilmenite in an electric arc furnace (EAF) is a commonly used technology for producing titanium slag in the world. It has particular significance to analyze the velocity–temperature–electromagnetics multi-physical field in an EAF for improving its productivity and reducing energy consumption. A transient three-dimensional mathematical …
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slag, titanium oxide is separated from iron to obtain titanium slag containing 72~95 % TiO. 2 [2]. Compared with wet-process production of titanium-rich materials, DC electric arc furnace smelting high- titanium slag has lower requirements on the taste of concentrates, and does not produce
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Aiming to improve the operation conditions of BF, it is necessary to add ordinary iron ore to decrease the titanium oxide content in slag [18]. However, the recovery of vanadium will be reduced and the production cost is increased correspondingly. So far, the proportion of VTM used in BF burden of Panzhihua Steel (China) is less than 70%.
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More than one hundred million tons of Ti−bearing blast furnace slag (TB−slag) has been discarded in China because of the difficulty of reutilization, which requires efficient …
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Vanadium-titanium magnetite (VTM) is an iron ore rich in vanadium, titanium, and other valuable elements, making it highly valuable for comprehensive utilization [1, 2].China is one of the largest producers of VTM in the world, with proven reserves of more than 18 billion tons of VTM as of 2019 [[3], [4], [5]].Smelting VTM presents challenges owing to its intricate mineral …
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viscosity of slag during smelting of vanadium-titanium magnetite in the Blast Furnace ... 617000, Sichuan, P.R. China e-mail: linyh@pzhsteel Key words: High Ti-bearing Blast Furnace Slag;
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There are many methods to prepare titanium rich materials, which can be divided into the methods to produce titanium slag and artificial rutile according to the final product; According to …
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1. Introduction. High-titanium slag is a kind of granular or massive waste slag that is produced by the quenching or natural cooling of molten slag discharged from the pig iron obtained via smelting vanadium titanium magnetite [].Hydraulicity refers to the property that a material can be hardened in humid air and water to form a stable compound after being ground into a fine …
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Low cost and green recycling of titania-bearing slag is an important aspect of the circular economy to ensure the sustainable development of the titanium industry.
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Titanium-bearing blast furnace slag (TBFS) is a byproduct obtained after the blast furnace smelting process [].It can be categorized into low (W (TiO2) < 5%), medium (5% < W (TiO2) < 20%), and high-titanium slag (W (TiO2) > 20%) based on TiO 2 content [2,3,4].China generates approximately 7 million tons of TBFS annually, with accumulated storage exceeding …
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HIsmelt is well suited for smelting vanadium–titanium magnetite due to its flexibility in feedstock selection and tolerance to high viscosity slag, compared with the blast furnace. In this work, the effect of smelting time on the distribution behavior and recovery rates of vanadium and titanium in HIsmelt smelting of vanadium–titanium magnetite was investigated by experiment …
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The 25000 kV·A electric furnace for titanium slag smelting at the Panzhihua Iron and Steel plant was developed in China in 2000 and is one of the largest in Asia. During smelting, ilmenite concentrate and a solid reducing agent (for example, anthracite coal or coke) are mixed in a certain proportion to reduce the smelt. ...
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furnace for smelting titanium slag ... China Iron and Steel Research Institute Group Co., Ltd. 2023 Abstract The smelting reduction process of the ilmenite in an electric arc furnace (EAF) is a commonly used technology for producing titanium slag in the world. It has particular significance to analyze the velocity–temperature–electromagnetics
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Study on Mechanism of Titanium Slag Smelting in DC electric Arc Furnace. Shihong Huang 1, XianHao Long 2, Yan Cui 3 and Liang Zhang 1. Published under licence by IOP Publishing Ltd Journal of Physics: Conference Series, Volume 2459, 2022 8th International Forum on Manufacturing Technology and Engineering Materials (IFEMMT 2022) 14/10/2022 - …
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