Practice of application on two boilers in Rizhao Power plant shows that the adjustment of detection distance not only ca日照电厂2台锅炉的应用实践表明,在煤粉气流稳定着火燃烧的情况下,调整火检的检测距离不仅可解决个别火检指示值偏低的问题,而且可节省大量的稳燃油,经济效益显著。