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热效率是指在同一时间内输出热量与输入热量的百分比,它是衡量加热炉性能的关键指标。输入热量由所耗燃料量及燃料发热值决定,输出热量则主要取决于输出热风速度和风温等因素。输出热量 Qk 计算公式:
Thermal efficiency refers to the percentage of output heat and input heat at the same time, which is a key indicator of furnace performance. The amount of heat input is determined by the amount of fuel consumed and the calorific value of the fuel. The amount of heat output depends mainly on the output hot air velocity and wind temperature. Output heat Qk formula: