在ＨＧ２００８／１８ ．２－ ＹＭ２ 型四角切向燃烧锅炉的冷态模型上，对燃烧器区的流场和水冷壁附近两相邻炉墙的压力进行了实测。实测结果表明：①燃烧器射流根部压差较大，随着射流前展，射流两侧的压差明显减小；②燃烧器射流的几何轴线与前墙夹角α增大时，射流两侧的压差就减小；③随着燃烧器高宽比（ｈ／ｂ） 的增大，壁面区域相对压力的绝对值增大，气流越易贴壁；④燃烧器只开１ 个喷口时，射流偏转比开４ 个喷口时的小得多。数值仿真验证了试验结果 At HG-2008/18. In the cold model of 2-YM2 tangential fired boiler, the flow field in the burner zone and the pressure of two adjacent furnace walls in the vicinity of the water wall were measured. The results show that: (1) the pressure drop at the root of combustor jet is large, and the pressure difference on both sides of the jet decreases obviously as the jet advances; (2) When the angle α between the geometrical axis of the combustor jet and the front wall increases, Of the pressure drop is reduced; ③ with the burner aspect ratio (h / b) increases, the absolute value of the wall area relative pressure increases, the air flow more easily attached to the wall; ④ burner only open a spout, The jet deflection is much smaller than when four jets are opened. Numerical simulation verified the test results