Abstract: In present, the NOx emission of domestic power plant boilers exceeds the limit of standard badly, so the technical reformation of pulverized coalfired boiler for reducing NOx emission is necessary. The principle of pulverized coalfired burner with lower NOx emission was explained, the technical characteristics of five kinds of burners were analyzed, and actual application example of novel burner in thermal power plant was given. It was pointed out finally that the novel pulverized coalfired burner with lower NOx emission has composite advantages of stable combustion under low load, slagging prevention, anticorrosion in high temperature and reducing NOx emission, and is worth to be spread.

Key words: thermal power plant, novel burner, stable combustion in low load, NOx emission