Numerical Simulation of Flow Field in Burnt Lime Hydrator

Abstract

The flow field distribution in burnt lime hydrator has been investigated by a software FLUENT, with k-ε turbulence model and MRF method. The simulation result shows that when four blades deflect 30°, the whole velocity gradient of flow reduces and the recirculation zones also diminish; when the rotational speed is 75r/min, the turbulence kinetic energy of stir zone between two axes becomes larger, which can raise stirring effect and reduce fugitive dust, so it is easy to achieve the purpose of improving the environment of work condition.

Study on Three-dimensional Impinging Jet Flow and Heat Transfer of Dryer for Gravure Printing and Coating Machine

“…With the extensive application of impinging jet flow in the engineering and the in-depth study of the heat transfer experiment, now more and more researchers begin to explore the impinging jet flow and the heat transfertheory [6]- [8] . However, few researches have been done the theory and the experiments related to the impinging jet flow and the heat transfer drying process of the drying oven with complicated 3D structure in the printing and coating equipment [9]- [11] . As of today, only Prof. Jimei Wu from Xi'an University of Technology and Wenhua Bai, a postgraduate student from Shantou University have made the relevant research [12]- [16] .…”