"Panzhihua vanadium-titanium magnetic iron ore of titanium and quality and stability can increase technology research project" undertaken by the Panzhihua Iron and Steel Mining Company, Panzhihua vanadium-titanium magnetite ore for multi-metal symbiotic, low iron content, high hardness, residual magnetism, With high coercivity, many ore types and large differences in properties, on the basis of detailed and detailed ore process mineralogy research, high-frequency vibrating fine screening is carried out to improve the iron concentrate grade industrial test and cyclone replacement spiral classifier. A series of industrial experimental research and engineering technology research, such as industrial test, simulation two-stage grinding industry test, 16-support series upgraded titanium-enhanced energy-enhancement technology industrial test and engineering transformation, which are self-developed wet-type The magnetic and co-developed 18m2 external filter filter solves the problem of demagnetization and filtration in production. The high-frequency vibrating fine screening improves the iron concentrate grade industrial test and achieves the purpose of improving the iron concentrate grade, and solves the common sieve sieve. The problem that the Panzhihua vanadium-titanium iron ore is not wear-resistant; the industrial test of the cyclone replacing the spiral classifier to improve the classification efficiency solves the problem of insufficient engineering conversion site, breaking through The bottleneck of the upgraded titanium-enhanced energy-increasing engineering technology; the combination of “cyclone+high-frequency fine-screening†is used to ensure the classification efficiency of the second-stage grading operation, the stability of the iron concentrate grade and the implementation of the transformation scheme, which is the system industry. The test provides technical support.
The research of the project is closely combined with the actual production and realized the engineering. The grade of Panzhihua vanadium-titanium magnetite iron concentrate is increased to over 54%, and the content of TiO2 in iron concentrate is controlled below 13%, so that the ore processing capacity of the grinding system is The iron concentrate production has been significantly improved, which solves the need that the original grinding magnetic separation process structure can not adapt to the changes of ore properties and the production of high-grade iron concentrate, providing a technical basis for the efficient use of low-grade complex symbiotic ore. Increase the utilization rate of resources and extend the mine exploitation period. In particular, it has important application and application value for the development and utilization of Baima iron ore and other vanadium-titanium magnetites. It has laid a solid foundation for the realization of Panzhihua Group's “fine material policy†and overall economic efficiency. basis.
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