化工进展 ›› 2019, Vol. 38 ›› Issue (01): 80-90.DOI: 10.16085/j.issn.1000-6613.2018-1281
收稿日期:
2018-06-21
修回日期:
2018-10-26
出版日期:
2019-01-05
发布日期:
2019-01-05
通讯作者:
赵玲
作者简介:
奚桢浩(1981—),副教授,硕士生导师,研究方向为聚合反应工程。E-mail:<email>zhhxi@ecust.edu.cn</email>。|赵玲,教授,博士生导师,研究方向为多相反应与传递。E-mail:<email>zhaoling@ecust.edu.cn</email>。
基金资助:
Zhenhao XI(),Xiaoyi QIU,Ling ZHAO()
Received:
2018-06-21
Revised:
2018-10-26
Online:
2019-01-05
Published:
2019-01-05
Contact:
Ling ZHAO
摘要:
聚合物中挥发分含量的不同导致聚合物脱挥过程遵循不同的热质传递机理,基于脱挥过程关键机制开发高能效的聚合物脱挥技术与装备具有重要工程意义。本文分别简述了闪蒸脱挥、起泡脱挥以及扩散脱挥3种脱挥方式的传递机理、过程特征以及过程模型,在此基础上从脱挥工艺和装备两个方面综述了近年来聚合物脱挥过程强化的手段与方法,并系统介绍了栅缝降膜脱挥、超重力旋转强化脱挥、超临界流体辅助脱挥、超声空化强化脱挥等过程强化新技术及其应用现状,提出了未来聚合物脱挥理论与工程实践的研究方向:一方面仍需深入研究扩散脱挥与起泡脱挥的耦合作用机制,建立精准、普适的脱挥过程模型;另一方面指出立式降膜脱挥技术因其能效优势,有望成为未来大规模工业脱挥器的重要选择。
中图分类号:
奚桢浩, 仇枭逸, 赵玲. 聚合物高效脱挥技术进展[J]. 化工进展, 2019, 38(01): 80-90.
Zhenhao XI, Xiaoyi QIU, Ling ZHAO. Advances in high-efficiency polymer devolatilization[J]. Chemical Industry and Engineering Progress, 2019, 38(01): 80-90.
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