Flue gas can also beset up waste heat recovery system to increase the thermal efficiency of furnace.
也可以设置烟气余热回收系统来提高加热炉的热效率。
The heat pipe air preheaters are widely used in the recovery of waste heat of gas.
热管式空气预热器广泛应用于烟气的余热回收。
Result shows that decreasing fluid rate and shortening switching time can decrease the temperature of the exhaust gas and increase the recovery rate of waste heat.
结果表明：适当降低流过蓄热体的气体流速，缩短四通换向阀的切换时间，可降低烟气的出口温度，提高系统的余热回收率。
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