通过建立高炉送风系统模型，模拟了风口尺寸和风口压力变化对风口速度、流量和鼓风动能的影响，并结合理论分析对风口尺寸调节方法进行了探讨。研究结果表明：在高炉操作过程中，只有当多个风口的面积减小时，所有风口的鼓风动能才都会增大； 在实际操作中，因为这些风口的风量明显减少，所以减小少数几个风口的操作能抑止边缘气流的发生。
By building a model of blasting system of blast furnace,the effects of tuyere diameter and blast pressure at tuyere on the velocity, flow rate and kinetic energy of blast were simulated, and the method of tuyere diameter adjustment is discussed with theoretical analysis.Some misunderstandings of blast furnace operation are pointed out as well.The blast kinetic energy at other tuyeres can be increased only by reducing diameter of some tuyeres.
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