文章摘要
Study on Heat Transfer Enhancement of Steel Ball with Heat Conducting Medium during Rubber Cracking Process
Received:September 08, 2020  Revised:September 08, 2020
DOI：10.12136/j.issn.1000-890X.2021.10.0764
Key Words: rubber pyrolysis；steel ball；heat conducting medium；rotary kiln；heat transfer enhancement； particle size；filling amount
Author NameAffiliationE-mail
WANG Jingjing Qingdao University of Science and Technology 205290035@qq.com 
CHEN Hongbo Qingdao University of Science and Technology  
HAN Wenwen* National Engineering Laboratory of Tire Advanced Equipment and Key Materials hbhanwenwen@qust.edu.cn 
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Abstract:
      The effect of steel ball size and filling amount on heat transfer enhancement by rubber cracking in rotary kiln was studied.The results showed that when the diameter of steel ball was 15 mm and the volume ratio （volume ratio of rubber） was 20%，the remaining solid mass of rubber cracking was the least，the heat transfer enhancement effect of rubber cracking was the best，the rubber cracking was the most full，and the coking inhibition effect of the inner wall of rotary kiln was good，and it was economical and feasible.
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