The sea sand vanadium titanomagnetite has the problems of coarse particles, difficult agglomeration, and poor sintering performance. It is difficult for iron and steel enterprises to use it as an ironmaking raw material in large quantities. In this work, different methods were adopted to optimize the high-temperature sintering …
WhatsApp: +86 18221755073Vanadium extraction by pyrogenic processes first involves smelting and reduction of vanadium from V-bearing titanoferrous magnetite to produce V-containing …
WhatsApp: +86 18221755073Thus, an effective and low-cost technique was developed to treat and utilize these spent SCR catalysts by the vanadium–titanium magnetite sintering process. …
WhatsApp: +86 18221755073A Sinter plant in a steel plant is the final operation in a series of measures to prepare iron ore for blast furnace smelting.A sinter plant is an enterprise with a complicated technological process for producing the final product – agglomerate or sinter.. Agglomeration is a process of sintering fine ores and concentrates by fuel combustion …
WhatsApp: +86 18221755073Adopting conventional sintering process of vanadium-titanium magnetite concentrates has such problems as low tumbler index and RDI due to the high-TiO2 content, coarse granularity and poor hydrophilicity. In this experiment, vanadium-titanium magnetite (VTM) is treated by the composite agglomeration process to prepare blast …
WhatsApp: +86 18221755073Adopting conventional sintering process of vanadium-titanium magnetite concentrates has such problems as low tumbler index and RDI due to the high-TiO2 content, coarse granularity and poor ...
WhatsApp: +86 18221755073East Chicago Tin, a finishing facility that is part of Gary Works, is located about seven miles west of Gary, Indiana. East Chicago Tin has the equipment needed to produce tin plate, black plate, tin-free steel and coated sheet products utilized by the packaging and container markets for the manufacturing of cans, ends and closures for the food and beverage …
WhatsApp: +86 18221755073The increase of pH (1.72), organic matter content (3.80%), and available P content (9.17 mg kg⁻¹) of soil and the decrease of bioavailable vanadium (225.59±16.25 mg vanadium kg⁻¹ soil) in ...
WhatsApp: +86 18221755073Abstract The properties, applications, and methods for producing titanium and vanadium diborides are considered. These diborides are oxygen-free, refractory metal-like compounds. As a result, they are characterized by high values of thermal and electrical conductivity. Their hardness is relatively high. Titanium and vanadium diborides exhibit …
WhatsApp: +86 18221755073Vanadium–titanium magnetite is an important Fe, V, and Ti resource with a highly comprehensive utilization value [1,2,3].Chinese vanadium–titanium magnetite reserves are plentiful but underutilized, …
WhatsApp: +86 18221755073The effect of basicity on sintering behavior of low-titanium vanadium-titanium mixture, and the transference and distribution of element in sintering process were researched by sinter pot test ...
WhatsApp: +86 18221755073This article aims to describe the partitioning of trace elements between the prod- Keywords: ucts (sinter) and plant emissions in an iron ore sinter plant, aiming to better understand Sintering the behavior of these elements in the sintering process to eventually support interventions Trace elements to modify these partitions.
WhatsApp: +86 18221755073Sintering plant consists of two measure sections, sintering section and sinter cooling section. Heat recovery from both parts has been developed by recovering heat from sintering section exhaust gas and from cooling section cooling gas. Gas temperature distribution has been shown in the above figure for both sections i.e sintering section …
WhatsApp: +86 18221755073The role of vanadium additive in the activated sintering and shrinkage rate of tungsten–vanadium alloys. May 2015; ... After five years in a fusion power plant, neutrons will have transmuted a ...
WhatsApp: +86 18221755073Vanadium dissolved during the sintering process precipitates as VC, VCN, VN and VCN during austenite-ferrite transformation or in the ferrite phase, improving the mechanical properties of microalloyed steel compared to non-alloyed steels . It is known that the formation of carbonitride precipitates in niobium and vanadium microalloyed …
WhatsApp: +86 18221755073the industrial plant sinter contained 84 mass% Fe 2O 3, 13 mass% CaO, 1 mass% SiO 2, and 2 mass% Al 2O 3. 19 The second SFCA type is a low-Fe form, called SFCA, which exhibits a block morphology. ... Effect of Preformed Calcium Ferrite Addition on Sintering Behavior of Vanadium Titanium
WhatsApp: +86 18221755073In the sintering pilot, a test using the mixture described in Table 2 was conducted. The sintering pilot consisted of a conical pot, with the smallest diameter being 270 mm and the largest diameter being 300 mm, a bed height ranging from 400 to 700 mm, and a volume ranging from 25.4 to 43.9 L.The sintering temperature was approximately …
WhatsApp: +86 18221755073This study will examine the effect of sintering condi-tions on vanadium pre-alloyed PM steels by varying the sintering atmosphere and tem-perature. Different material systems based upon pre-alloyed vanadium steel powders and plain iron powders were sintered …
WhatsApp: +86 18221755073High-quality oxidized pellets are the basis to achieve high-efficiency utilization of vanadium–titanium magnetite (VTM) ores. Bentonite was used as a binder of VTM. The main phase composition of VTM is titanomagnetite and ilmenite. When the amount of bentonite is 1%, the compressive strength and dropping strength of VTM …
WhatsApp: +86 18221755073The results were as follows: as the TiO2 content increased from 1.75% to 4.55%, the flame front speed and productivity decreased, while the reduction degradation index (RDI) and softening properties deteriorated. Low-grade vanadiferous titanomagnetite ore (LVTM) is as an important mineral resource for sintering ore manufacturing. …
WhatsApp: +86 18221755073This method generates about 1.2 million tons of extracted-vanadium residue (EVR) at Panzhihua, Chengde, and the Chengde Jianlong Iron and Steel Plant every year [10]. A previous study indicated that the EVR could be returned to the sintering process to prepare sinters. However, the added amount in sintering is limited [11].
WhatsApp: +86 18221755073Request PDF | A promising method to recover spent V2O5–WO3/TiO2 catalyst: treatment by vanadium–titanium magnetite sintering process | A large number of spent selective catalytic reduction ...
WhatsApp: +86 18221755073The coke ratio has an important effect on the behaviour of high-chromium vanadium–titanium magnetite (HCVTM) sintering. The effect of coke breeze content on sintering properties and mechanism of HCVTM was …
WhatsApp: +86 18221755073The effects of different proportions of vanadium carbide(VC) particles instead of V powder on the density, microstructure and properties of powder metallurgy high-speed steel(PM HSS) were studied ...
WhatsApp: +86 18221755073To achieve high-efficiency utilization of complex and unmanageable iron-containing minerals, the effects of oxygen enrichment on productivity, yield, flame front …
WhatsApp: +86 18221755073The selection of either pyrogenic or wet processes to extract vanadium from V-bearing titanoferrous magnetite depends on the V content of the ore (which varies because of regional differences) and the developmental stage of the extraction plant. ... Sintering systems are suitable for sintering in large ferrous metallurgy plants and are …
WhatsApp: +86 18221755073The sintering pot test was used to investigate the effect of TiO2 on the sintering behavior of chromium-bearing vanadium–titanium magnetite (CVTM) sinter. The main characterization methods of X-ray fluorescence (XRF), X-ray diffraction (XRD), scanning electron microscopy-energy disperse spectroscopy (SEM-EDS), and …
WhatsApp: +86 18221755073Results indicate that the productivity, yield, flame front speed, and tumble index of the vanadium titanium magnetite sintering process are all increased to a certain extent after embedding ...
WhatsApp: +86 18221755073Extracted-vanadium residue (EVR), formed during the smelting and extraction of High-chromium vanadium-titanium magnetite (HCVTM), should be used …
WhatsApp: +86 18221755073Basicity has an important effect on the behavior of high-chromium vanadium-titanium magnetite (HCVTM) sinter. The effect of basicity on sintering, reduction, and softening-melting properties was investigated in an experiment-scale sinter pot. The results showed that with the basicity increasing from 1.7 to 2.5, the vertical …
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