Optimization of pellet induration process parameters in rotary kiln using simulation results |
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Authors: | Jun-xiao Feng Zhi-yin Xie You-yang Lü Jing-hai Xu Yong-ming Zhang Jin-bao Yang |
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Institution: | 1.School of Mechanical Engineering,University of Science and Technology Beijing,Beijing,China;2.Shougang Mining Company,Qian’an,Hebei, China |
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Abstract: | In order to optimize the pellet induration process parameters of rotary kiln, a mathematical model is developed and solved
by using commercial software FLUENT. Orthogonal regression has been performed by using the simulated results of the pellet
induration in rotary kiln. The functional relations between pellet induration quality and process parameters are obtained.
The main parameters that affect the thermal process are also discussed. The results show that the high temperature zone is
longer and the local high-temperature could be avoided while the velocity difference decreases between the secondary air and
the carbon particle, which leads to more uniformed temperature distribution and better induration quality. The work gives
a right direction on improving of pellet production. |
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Keywords: | |
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