It has been proved from cold aerodynamic and thermal test, that gas/ oil-fired boiler has the merits of large range to change flame shape, low emission of NOx, easy to adjust and suit for all kinds of furnace. 冷态空气动力场试验和热态燃烧试验证明,火焰可调低NOx燃气(油)燃烧器具有火焰形状变化幅度大、低NOx排放、调节方便等优点,能适应各种锅炉炉膛,符合中国国情。