The tuyere raceway of blast furnace is an important reaction area in blast furnace.The formation and reaction of raceway greatly affect the airflow at the bottom of BF, the activity of hearth charge falling and the chemical energy and heat energy needed for production in BF.The characteristics of the tuyere raceway of the blast furnace research to create the opti-mal conditions of blast furnace smelting has important significance.%高炉风口回旋区是高炉内的重要反应区域，回旋区的形成和反应情况，将直接影响着高炉下部煤气的分布、上部炉料的均衡下降以及整个高炉内的传热传质过程，因此，对高炉风口回旋区特征研究对创造最佳化的高炉冶炼条件具有相当重要的意义。
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