油页岩热解过程中的热破碎特性  

Thermal Fragmentation Characteristic during Pyrolysis of Oil Shale

作　　者：秦宏[1] 许方平 刘洪鹏[1] 迟铭书[1] 王擎[1] 柏静儒[1] 

机构地区：[1]油页岩综合利用教育部工程研究中心,东北电力大学,吉林132012

出　　处：《科学技术与工程》2014年第13期26-30,共5页Science Technology and Engineering

基　　金：国家自然科学基金项目(51276034);国家潜在油气资源(油页岩勘探开发利用)产学研用合作创新建设项目(Shale-OSR-05)资助

摘　　要：在小型干馏装置中进行油页岩热解破碎特性实验,考察升温速率、热解终温、恒温时间对油页岩热破碎的影响。结果表明:提高升温速率、热解终温和延长恒温时间,均在不同程度上促进油页岩的热破碎。升温速率的影响主要体现在10℃/min之下,热解终温的影响主要体现在520℃以上,而恒温时间的影响主要是在2 h之前。经灰色关联计算,结果表明:热解终温对油页岩破碎产生的影响最大,升温速率次之,恒温时间最小。The experiment about thermal fragmentation of oil shale was determined in a small retorting reactor. The factors affecting sample fragmentation were studied such as heating rate, final temperature of pyrolysis and residence time. The result indicates the fragmentation index increases with increasing of the heating rate, final temperature of pyrolysis and residence time individually. The effect of heating rate mainly occurs below 10℃/min, fragmentation take places only above 520℃, and the holding time affects thermal fragmentation obviously mainly before 2h. The extent of influence of operational parameters on fragmentation was studied with gray relational analysis method. The result indicates that the greatest factor of influence is the final temperature of pyrolysis, followed by the heating rate and the residence time is the minimum on thermal fragmentation.

关 键 词：油页岩 热破碎 破碎比 粒度变化率 破碎指数 

分 类 号：TE135.2[石油与天然气工程—油气勘探]