Shell煤气化飞灰与电厂飞灰性质的研究

Study on the Fly Ash Properties of Shell Coal Gasification and Power Plant

采集Shell煤气化飞灰与电厂飞灰,使用激光粒度分析仪测定粒度分布,采用X射线荧光仪(XRF)和扫描电子显微镜(SEM)研究飞灰的化学组成与微观形貌特征。结果表明:DH飞灰粒度大于SH飞灰,两种飞灰均呈球形颗粒状,较大颗粒表面吸附较小颗粒,且颗粒表面较光滑,两种飞灰中Si、Al、Ca、S元素含量差异较大。

Gather Shell coal gasification fly ash and power plant fly ash. Laser Particle Size Analyzer was applied to study on panicle size distribution. And XRF and Scanning Electronic Microscopy were applied to study on chemical composition and morphology. The study results showed that, the panicle size of DH fly ash was greater than the SH fly ash. The two kinds of fly ash were both spherical particle shape. Large particle fly ash surface adsorption smaller particles. In addition, the panicle surface was relatively smooth. Si, Al, Ca, S elements content in the two kinds of fly ash are different.