摘要
采用自行设计的低温干馏装置,将不同配比下的低阶煤-浒苔混合物进行低温共热解,考察随着浒苔配入量的增加各热解产物的产率和品质的变化.结果表明,当浒苔配入量为30%时,焦油产率达到最大值11.39%,比低阶煤单独热解提高了28.61%.此时,热解焦油中烷烃类含量为48.66%,酚类含量为9.12%,明显高于原始焦油中相应组分的含量,热解焦油的n(H)∶n(C)提高了9.87%,表明热解焦油达到了一定程度的轻质化.同时煤气成分中CH4和H2的含量有所增大.SEM检测显示,混合热解时半焦表面变得粗糙,形成了明显的裂纹中心.混合热解的半焦热值相对于浒苔单独热解的半焦热值有显著提高.
The pyrolysis of low rank coal （LRC）, enteromorpha（EN） and their mixture were carried out in a special prolysis equipment. The experiments showed that the maximum tar yield of blends was 11.39% with an EN ration of 30%, which increased by 28.61% compared to LRC pyrolysis alone. At this time, the alkanes＇ content was 48. 66% and the phenolic was 9.12%, which was significantly higher than the content of the corresponding components of the original tar. The n（H） ： n（C） was increased by 9.87%. It indicated the pyrolysis tar became lighter on some degree. The contents of CH4 and H2 in the pyrolysis gas were increased. SEM analysis showed the surface of co-pyrolysis semi-coke became rough and formed obvious center cracks. The calorific value of co-pyrolysis semi-coke was higher than that of semi-coke which was from pyrolysis of LRC.
出处
《煤炭转化》
CAS
CSCD
北大核心
2015年第2期6-9,共4页
Coal Conversion
关键词
低阶煤
浒苔
共热解
热解产物
low rank coal, enteromorpha, co-pyrolysis, pyrolysis products
作者简介
硕士生
教授
硕士生
硕士生
硕士生
