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介绍全钢通风柜的风机风管设计规范

       实验室全钢通风柜通过合理布置风管可上升工作效率,减少风管带来的阻力,还可以减少风机工作时带来的噪音。为以免它在运行过程中产生的水蒸气进入到排风管中在寒冷季节所发生的冷凝现象,应当在布置风管时预留2‰~3‰的坡度从而以免冷凝液产生堆积,并可在风管低处设施手动泄水的密闭阀门。
       排风机是实验室全钢通风柜重要的组成之一,在选择排风机时先应当考虑选取耐腐蚀的离心风机;其次在设置风机风量和压头时应当综合考虑到日后可能存在的变化可能性,从而留有特定的余量。在布置排风机的位置时应当尽量以免运行过程中噪声的影响,在风机转速不高于1 450r/min的情况下尽量将其集中布置,并远离对噪声和振动要求较高的房间。
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