The Yangdi ore (YD), Malaysia ore (ML), and Zichanfen ore (ZF) are common iron concentrates without vanadium and titanium elements. The return fines, waste slag, and BF slag are all waste materials discharged by the plant. The quicklime is added to the sintering raw materials to adjust the basicity.
Artificial rich ore for blast furnace use can be produced by sintering ultra-poor vanadium-titanium magnetite (PVTM) with a high-grade iron concentrate. Here, acid (R = 0.33, 0.50), self-fluxing (R = …
Semantic Scholar extracted view of "Effects of Extracted-Vanadium Residue and MgO on the Basic Sintering Characteristics of High-Chromium Vanadium-Titanium Magnetite" by Gongjin Cheng et al.
To achieve high-efficiency utilization of complex and unmanageable iron-containing minerals, the effects of oxygen enrichment on productivity, yield, flame front speed, exhaust gas peak temperature, and desulphurization reaction of the vanadium–titanium magnetite sintering process as well as sinter tumble index and …
The sintering of chromium-containing vanadium-titanium magnetite using different coke contents was studied through the sintering pot tests, X-ray diffraction analysis and mineralogical phase analysis. Results showed that, as the coke content increased from 3.2% to 4.4%, the liquid phase and combustion zone thickness …
In the sintering of iron ores, the partial substitution of anthracite for coke breeze has been considered to be an effective way of reducing pollutant emissions and production cost.
Extracted-vanadium residue (EVR), formed during the smelting and extraction of High-chromium vanadium-titanium magnetite (HCVTM), should be used cyclically, and its use as a sintering material to prepare sinters for blast-furnace smelting is a viable option. The effects of EVR and MgO on the fundamental sintering …
This work studied the effect of B2O3 (analytical reagent) on the parameters of a sintering pot test, as well as the metallurgical properties and microstructure of the sinter samples, to determine the …
The selection of doping materials and their appropriate concentration in tungsten is important for activated consolidation and to improve the shrinkage rate during the sintering process.
In addition, oxygen enrichment sintering could significantly increase the desulphurization level of vanadium–titanium magnetite sinter and the rate of desulphurization reaction during sintering ...
In addition, oxygen enrichment sintering could significantly increase the desulphurization level of vanadium–titanium magnetite sinter and the rate of desulphurization reaction during sintering ...
More importantly, the phase composition of VTM is very complex, whereby iron, vanadium, and titanium closely co-exist in a stable structure, so their reduction is more difficult. To solve this problem, scholars have proposed a method of oxidation sintering of VTM to improve its reduction performance and mechanical properties.
Basing on raw materials conditions of typical iron and steel plant, the sintering experiments were carried out for the Indonesia vanadium titanium magnetite under different basicity and the effect ...
Blast furnace–basic oxygen furnace (BF–BOF) process is the predominant method for smelting vanadium titano-magnetite (VTM) in China. Hydrogen-rich (H2-rich) …
Semantic Scholar extracted view of "Low-temperature sintering vanadium-substituted ZnNb2O6 microwave dielectric ceramics for LTCC applications" by Zipeng Huang et al.
Adopting 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 …
The 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 ...
A new approach is proposed to improve the strength of the vanadium titanium magnetite (VTM) sinter by adding preformed calcium ferrite (CF) to partially substitute the CaO. The effects of the sintering temperature, oxygen partial pressure (pO2), heating time, and substitution ratio of preformed CF on the mineralogy of the …
This study investigated the influences of spent SCR catalysts addition on vanadium–titanium magnetite sintering production process and product quality indexes of finished sinter by sinter pot test. Meanwhile, the mineral phase and microstructure were analyzed to reveal the …
Low-titanium vanadium-titanium magnetite (LVT) sinter exhibits poor properties. Carbon content ( ω (C)) can alter LVT sintering behavior as it affects the mineral phases in the LVT sinter by changing the sintering temperature and environment.
Note: In lieu of an abstract, this is the article's first page.
The coke ratio has an important effect on the behavior of HCVTM sintering as it affects the mineral phases in the high-chromium vanadium and titanium sinter (HCVTS) via changing the sintering ...
The 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. Vanadium extraction by pyrogenic processes can handle raw materials with low-V …
Strong and ductile powder metallurgy (PM) Ti-10V-2Fe-3Al alloy has been fabricated by spark plasma sintering (SPS) of titanium and V-Fe-Al master alloy powder blends at 1100°C for 30 min under 30 MPa. The homogenization of vanadium, which dictates the realization of a uniform microstructure of the Ti-10V-2Fe-3Al alloy, was …
Understanding Sinter and Sinter Plant Operations. Sintering is a process of agglomeration of fine mineral particles into a porous and lumpy mass by incipient fusion caused by heat produced by …
Vanadium-titanium magnetite composite agglomeration process not only improves the quality and quantity indices of sinter, but also optimizes the melting and dripping properties.
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 …
Many problems appear in the sintering process of vanadium-bearing titanomagnetite, such as high energy consumption and low productivity; sinter qualit…
To achieve high efficiency utilization of high-chromium vanadium–titanium magnetite (V–Ti–Cr) fines, an investigation of V–Ti–Cr fines was conducted using a …
