【摘要】 叙述了固定床和移动床的形式及特点，指出固定床等为回收废橡胶的低温粉碎提供冷源的重大意义，对固定床等的低温传热进行了分析，同时介绍了这种装置在低温粉碎领域内使用的最新研究结果。更多还原

【Abstract】 A review has been given on the patterns and characteristics of fixed bed and moving bed.It is very important that fixed bed or moving bed provide cooling power for cryogenic comminution in waste rubber recovery. Heat transfer of fixed bed and moving bed in low temperature circumstances has been analyzed. New research results of these beds in the field of cryogenic comminution have been presented.更多还原