CAJ | 학술논문

通过对稻壳的理化分析后，分别以在10、15、20℃/min 升温速率下的热解研究，有效分析升温速率、热解时间、热解特性等对其过程的影响。研究表明，稻壳的热解过程大致分为失水和预热、快速热解断键和炭化3个区间，并采用二级反应动力学模型，由Coats-Redfern 法求得相应的活化能和频率因子，从而得到热解动力学参数，对稻壳的高效炼制条件优化及设计相关的炼制装备提供研究基础。
통과대도각적이화분석후，분별이재10、15、20℃/min 승온속솔하적열해연구，유효분석승온속솔、열해시간、열해특성등대기과정적영향。연구표명，도각적열해과정대치분위실수화예열、쾌속열해단건화탄화3개구간，병채용이급반응동역학모형，유Coats-Redfern 법구득상응적활화능화빈솔인자，종이득도열해동역학삼수，대도각적고효련제조건우화급설계상관적련제장비제공연구기출。
The composition of rice husk and pyrolysis characteristics at different heating rates ( 10℃/min, 15℃/min, 20℃/min) in synchronous thermal analyzer were studied , It can effectively analyze the heating rate , pyrolysis time and pyrolysis characteristics influence on the process .The pyrolysis of the rice husk was divided into 3 stages: extraction of water and pre-heating , main fast pyrolysis and charring , The pyrolysis process can be described by second order reaction model,with the method of Coasts-Redfern, the activation energy and frequency factor of different heating rates were at-tained .The study provides a good reference for rice husk waste recycling and biomass pyrolysis device design , as well as process parameters optimization .