中文摘要：

电力工业的快速发展和用电结构的重大变化,使电站锅炉面临来煤多变、煤质特性复杂多样、负荷变化范围大等问题,这些问题直接影响电站锅炉运行的安全性和经济性.燃煤电站锅炉机组在线测量技术的缺乏已经成为制约火电机组优化运行技术发展的瓶颈之一.为此,一种新型的激光光谱技术———激光诱导击穿光谱技术被引入电站运行诊断领域.文中分别介绍了笔者及其所在团队近年来在从煤质分析、粉煤灰未燃碳分析和受热面失效趋势的快速分析3个方面进行的相关研究工作,并探讨了该技术在电站运行诊断领域的发展方向.

英文摘要：

With the rapid development of the electric power industry and the great changes in the power consump- tion structure, the utility boiler encounters many adverse factors, such as the complication of coal characteristics and the large-scale changes in the generation load, which directly affect the safety and economy of the boiler opera- tion. The lack of the online measurement technology for the boiler units of coal-fired power plants has become one of bottleneck problems that limit the development of the optimal operation of the thermal power technology. In this paper, a new laser-spectroscopy-based technology named as LIBS （Laser-Induced Breakdown Spectroscopy） is in- troduced into the boiler diagnosis of power stations, and the relevant researches implemented by the authors and their co-workers are reviewed in terms of the coal quality, the unburned carbon of fly ash, and the failure trend of heat exchange surface. Moreover, the development orientation of LIBS in the boiler diagnosis of power stations is also discussed.