Fixation is one of the key processes in green tea manufacturing, and in the cylinder fixation machine, the guide vane has important role on pushing and throwing the fixing tea leaves, which showed a great influence on the tea taste. In this paper, the helix rise angle of guide vane in tea cylinder fixation machine was analyzed based on the logarithm spiral line, which showed great influence on the uniformity of green tea production. The Fluent software is used to do simulations under the fixing leaves heating condition and pushing situation in the cylinder tea fixation machine under the fixed and subsectional design helix rise angles, respectively. With the simulations, the subsectional design structure can effectively improve the green tea quality. This analysis can guide the design in the cylinder fixation machine, to shorten the design cycle, and to improve the design accuracy.
Key words
fixation /
helix guide vane /
helix rise angle /
spiral line
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