| Crushing Technology and Application Progress of Waste Tires |
| Received:April 03, 2020 Revised:April 03, 2020 |
| DOI：10.12136/j.issn.1000-890X.2021.01.0066 |
| Key Words: waste tire；rubber powder；crushing technology；dry crushing；wet crushing；all-aqueous phase method |
| Author Name | Affiliation | E-mail | | GONG Yuzhu | School of Materials Science and Engineering, South China University of Technology | gongyu960209@163.com | | WANG Xiaoping* | School of Materials Science and Engineering, South China University of Technology | wangxp@scut.edu.cn | | JIA Demin | School of Materials Science and Engineering, South China University of Technology | |
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| Abstract: |
| With the increasing number of waste tires all over the world，the waste tires stacking problem not only causes environmental pollution，but also leads to a waste of rubber resources，so it is imperative to recycle waste tires reasonably.At the present stage，the preparation of rubber powder by crushing waste tires has become one of the most recycling methods of waste tires due to its technological advantages.In this paper，the technologies of crushing waste tires to prepare rubber powder at home and abroad were reviewed，the dry and wet crushing technology and related processes were introduced in detail，in which dry crushing included room temperature comminution and cryo-comminution，wet crushing included RAPRA，room temperature immersion comminution，all-aqueous phase and high-pressure water jet impact comminution methods.The main crushing equipment and its principles were summarized.It was pointed out that the all-aqueous phase method was expected to become the leading direction of the crushing waste tires in the future because of its superior performance rubber powder，economical efficiency and environmental protection. |
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