It has the advantages of improving both the draft inducing capacity and cooling efficiency of the cooling tower and reducing the emission concentration and manufacturing and operation cost.
该工艺具有提高冷却塔的抽风能力，提高冷却塔冷却效率，降低污染物排放浓度，降低工程造价和运行费用等优点。
With the increasing capacity of the domestic coal-fired large-scale power plants, boiler draft fan capacity increases.
随着国内燃煤发电厂容量的日趋大型化，锅炉引风机的容量也随之增大。
Roots draft fan air capacity is calculated and the property curve is drew, and control principle of constant pressure complementary air device is discussed.
计算出罗茨风机的风量并绘制出风机的性能曲线；论述了恒压补气装置的控制原理。
Roots draft fan air capacity is calculated and the property curve is drew, and control principle of constant pressure complementary air device is discussed.
计算出罗茨风机的风量并绘制出风机的性能曲线；论述了恒压补气装置的控制原理。
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