微波功率对油页岩热解的影响

Influence of microwave power on pyrolysis of oil shale

对甘肃油页岩进行了微波热解实验研究,考察了油页岩在微波场中的升温特性及功率对页岩油、半焦、干馏气产率和组成的影响。结果表明:在微波场中油页岩干馏终温可达800℃以上;不同功率下干馏气组成不同,在480 W时干馏气中有效组分(H2+CH4+CO)达55%以上;随着功率的增大,半焦产率逐渐减小;页岩油产率随功率先增加后减小,在480 W时达到最大值13.5%;而干馏气产率随功率逐渐增大,在480 W时可达10%。

The pyrolysis of Gansu oil shale under the microwave irradiation was investigated.The warming feature of oil shale and the influence of microwave power on the yield and components of shale oil,semi-coke,pyrolysis gas were studied.The results show that the final temperature of oil shale is above 800 ℃,the components of pyrolysis gas are different under different microwave power,the effective components（H2 ＋ CH4 ＋ CO） is up to 55% at 480 W,the yield of semi-coke decrease by increasing microwave power and oil shale yield increase at the beginning then decrease,which is up to the maximum of 13.5% at 480 W.While the yield of pyrolysis gas increase by increasing microwave power and accumulate to 10% at 480 W.