Study on Microwave Drying Characteristic for PET Materials

被引：1
作者：
Liao, Chongwei [1 ]
He, Yi [2 ]
Chen, Qian [1 ]
Liu, Changjun [1 ,3 ]
机构：
[1] Sichuan Univ, Sch Elect & Informat Engn, Chengdu 610064, Peoples R China
[2] Sichuan Yibin Plast Packaging Mat Co Ltd, Yibin 644007, Peoples R China
[3] Sichuan Univ, Yibin Ind Technol Res Inst, Yibin 644000, Peoples R China
来源：
2022 IEEE MTT-S INTERNATIONAL MICROWAVE WORKSHOP SERIES ON ADVANCED MATERIALS AND PROCESSES FOR RF AND THZ APPLICATIONS, IMWS-AMP | 2022年
关键词：
D O I：
10.1109/IMWS-AMP54652.2022.10107157
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we studied characteristics of material PET (Polyethylene terephthalate) by the microwave vacuum drying technology, which was performed in a resonant cavity. The test was conducted in -92 kPa to study the relation between power, drying time and moisture content for low moisture content substance during the process of microwave vacuum deep drying. Using moisture tester, moisture content of sample was determined during drying. In vacuum, microwave drying time is restricted to 1 hour. Results shows drying PET with microwave is easy to cause thermal runaway. After a lot of experiments, the lowest moisture content of PET reached 0.01% by microwave when the energy consumption only 1 kWh and drying time is only 30 min for 2 kg PET sample.. There is a balance between power and efficiency in this experiment, which provided data for industrial application of microwave energy in drying PET.
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页数：3
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