低阶煤气化结渣特性的研究进展A Research Progess on Slagging Characteristics during Gasfication of Low-rank Coal
李振珠,李风海,薛兆民,房倚天
摘要(Abstract):
从影响低阶煤气化结渣的因素(煤质特性、操作条件)、结渣物的形成机理和预防措施方面,对低阶煤气化过程中的结渣特性进行了综述.指出煤质特性是低阶煤气化结渣的关键因素.当操作温度高于煤灰的烧结温度时,煤灰低熔点共融物的粘附作用引起半熔融态灰颗粒团聚,在流化床的"死区"易形成结渣物.阻熔剂和配煤都能改变低阶煤的气化结渣特性,但配煤的方法更为经济高效.
关键词(KeyWords): 低阶煤;气化结渣;特性;预防
基金项目(Foundation): 国家高技术研究发展(863)项目(2008A 050302);; 煤炭转化国家重点实验室开放项目(J12-13-102);; 中国科学院知识创新项目(KGCX2-YW-397)
作者(Author): 李振珠,李风海,薛兆民,房倚天
DOI: 10.16393/j.cnki.37-1436/z.2013.05.011
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