التفاصيل البيبلوغرافية
| العنوان: |
多元固体废弃物颗粒微波辅助热解 过程的多场耦合分析. (Chinese) |
| Alternate Title: |
Multi-field coupling analysis of microwave-assisted pyrolysis process of multivariate solid waste particles. (English) |
| المؤلفون: |
苗晖, 王文亮, 付祎帅, 陈育彤, 王紫薇, 崔洋怡, 刘宇晨, 姚佳远, 潘佳文, 李新平 |
| المصدر: |
Journal of Shaanxi University of Science & Technology; 2024, Vol. 42 Issue 4, p11-24, 7p |
| Abstract (English): |
The microwave-assisted pyrolysis process of multivariate solid waste particles was simulated by COMSOL finite element method. The effects of multivariate particle composition and different particle sizes on the distribution of electric field and temperature field during pyrolysis were studied and the experimental verification was conducted. Results showed that the multi-particles had a significant effect on the temperature field. There was an interfacial polarization effect between different particles and the electric field strength and heating rate of the contact surface were significantly larger than those of the other interfaces, which was beneficial to enhance the dielectric loss capacity of the multivariate solid waste particles and improve the microwave absorption efficiency of the multivariate solid waste particles. While the particle size had little effect on the cavity electric field strength and distribution. Increasing the particle size of the particles would reduce the heating rate of the particles. The verification experiment (microwave power of 800 W, heating time of 240 s) proved that the numerical simulation results were in good agreement with the experimental heating rate results. Moreover, the microwave-assisted pyrolysis products of the experimental multivariate solid waste particles consisted of pyrolysis gas (54.6 wt%), pyrolysis oil (26.0 wt%),and pyrolysis carbon (22.4 wt%). [ABSTRACT FROM AUTHOR] |
| Abstract (Chinese): |
利用COMSOL 有限元软件对多元固体废弃物颗粒的微波辅助热解过程进行了模拟, 研究了多元颗粒组成、不同颗粒粒径对热解过程中的电场和温度场分布的影响, 并通过实验对 模型进行了验证, 结果表明:多元颗粒组成在热解过程中会对温度场造成显著影响, 且不同颗 粒间存在界面极化效应, 接触面电场强度及加热速率都显著大于其余界面, 有利于提高多元固 体废弃物颗粒的介电损耗能力, 增强多元固体废弃物颗粒对微波的吸收效率, 而颗粒粒径对脸 体电场强度及分布影响较小, 增大颗粒的粒径会降低颗粒的升温速率, 通过验证实验(微波功 率800 W, 加热时间2408)证明了数值模拟结果与实验升温速率结果保持良好的-致性, 此 外, 实验多元固体废弃物颗粒微波辅助热解产物为热解气(54.6 wt%)、热解油(26.0 wt%)以 及热解炭(22.4 wt%). [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
