The noise properties of a very large type of outdoor air blower unit in a very big manufacturing aluminum factory are analyzed, so schemes of control for the noise are worked out.

分析了国内某大型铝厂焙烧炉用特大型室外鼓风机组的噪声现状，制定了相应的噪声控制方案。

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The suction is provided by a suction unit of the side channel blower type, with direct coupling between the fan and the motor shaft and no transmission system.

吸尘系统是旁路鼓风马达，是由风扇和马达轴直联而成，没有传输装置。

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