Currently

several problems

such as over high NO_xemission

slagging and corrosion

still occurred on units which have already applied the low NO_xcombustion technologies

thus the units are difficult to meet requirements of the new NO_xemission standard.The current situation of low NO_xcombustion technology in China is summarized in this paper.On this basis

the principle and development of the new technology of low NO_x combustion are studied.The theoretical research and experimental verification of the new low NO_xcombustion technology are investigated in detail

such as pulse combustion technology

chemical chain combustion technology

plasma combustion technology

O_2/CO_2 combustion technology and MILD combustion technology.Moreover

several suggestions are put forward against the existing problems.The experimental results show that the new low NO_xcombustion technology can significantly reduce the emissions of NO_x.However

during the actual application

advantages and disadvantages both exist.It suggests that integration of multiple low NO_xcombustion technologies should be optimized while accelerating the development and application of these new technologies.