Using the numerical modelling, the movement of the solid phase in the form of concentrate particles was analysed in the space of the reaction shaft and in the settler of the flash furnace. The calculations were carried out using a two-phase flow module. It was found that for all analysed concentrate particle sizes their share in the reaction shaft decreased over time. The particles moved in the form of one stream extending along the reaction shaft, accumulating on the side walls of the shaft and settler. Vortices were formed in the region of the settler tub containing particles to the upper spaces of the reaction shaft. The proportion of concentrate particles along the center of the reaction shaft after 60 s is 70 μm 1% - 3% for particles, 80 μm 0.1% - 0.7%, and for 100 μm 0,2m 0.2% - 0.7%. Along the side walls of the shaft, the shares of 70 μm particles varied between 40% and 9% over a shaft length of 5.5 m, and over 1.5 m from 12% to 10%. For 80 μm particles, the shares were 5% to 1%. The shares of 100 μm particles over a length of 1.5 m varied between 7% and 3%, and over a length of 5.5 m from 7% to 2%. Along the 70 μm reaction shaft, the concentrate particles moved the fastest at a speed of 8 m/s to 0.23 m/s. The 80 μm particles moved fastest in the range of 13 m/s to 3 m/s, and the 100 μm particles from 0.4 m/s to 2 m/s.

E. Kolczyk

Archives of Foundry Engineering

Thematic scope includes scientific issues of foundry industry:    Theoretical Aspects of Casting Processes,  Innovative Foundry Technologies and Materials,  Foundry Processes Computer Aiding,  Mechanization, Automation and Robotics in Foundry,  Transport Systems in Foundry,  Castings Quality Management,  Environmental Protection.  Why subscribe and read

The journal "Archives of Foundry Engineering" covers scientific issues related to the foundry industry, including theoretical aspects of casting processes, innovative foundry technologies and materials, computer-aided foundry processes, mechanization, automation, and robotics in foundry, transport systems in foundry, castings quality management, and environmental protection.

《Archives of Foundry Engineering》期刊的主题范围包括铸造行业的科学问题：铸造工艺的理论方面、创新的铸造技术和材料、铸造过程的计算机辅助、铸造中的机械化、自动化与机器人技术、铸造运输系统、铸件质量管理以及环境保护。

Modelling the Movement of Concentrate Particles in a Flash Furnace

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Journal Info

Category	Quartile
METALLURGY & METALLURGICAL ENGINEERING	4