摘要
以聚乙烯醇(PVA)为粘结剂与粉煤混合制成型煤,在热重分析仪上进行热解.实验数据表明:随着PVA含量的增加,反应活性指数R增大,反应速率加快,且低位发热量增大.通过FTIR光谱、BET、工业分析等方法分析说明,PVA的加入,增加了型煤的微孔结构,提高了燃料层间的传热和传质;型煤中羟基含量增多,促进了热解过程中苯酚的生成,使气态产物CO含量增多.
The influence of Polyvinyl Alcohol （PVA） on the pyrolysis was studied from macro and micro angles. The briquette pyrolysis was operated with thermal analyzer. The experimental data showed that with the increase of PVA content, the reaction rate （R value）, the reaction rate and the low calorific value increase. The FTIR spectrum, BET, industrial analysis and quantum chemical analysis were described that the addition of PVA is advantage to briquette pyrolysis. The number of micropores is increased and the heat and mass transferations were improved among the fuel layer with the addition of PVA.
作者
崔帅
吕武华
CUI Shuai;LV Wu-Hua(Guang＇an Vocational and Technical College, Guang＇an 638000, Chin)
出处
《四川大学学报（自然科学版）》
CAS
CSCD
北大核心
2017年第6期1269-1274,共6页
Journal of Sichuan University(Natural Science Edition)
基金
国家863项目(2014AA021801)
广安职业技术学院科研项目(GAZYKY-2017A04)
关键词
型煤
热解
聚乙烯醇
Briquette
Pyrolysis
Polyvinyl alcohol
