怎样降低气体增压泵的噪音?
第一 气体增压泵设计之初At the beginning of the first gas booster pump design为了降低泵的噪声,在泵的设计过程中,我们就注意叶轮叶片数与导叶叶片数的匹配,应互为质数避免共振。In order to reduce the noise of the pump, the pump design process, we will pay attention to the impeller blade number and the number of guide under plate matching, should avoid resonance are prime Numbers.以及叶轮和导叶、蜗壳径向的合理间隙,这几个因素控制不当也会成为噪声源。And impeller and guide vane and diffuser radial clearance, improper control of these factors will also be a noise source.从水泵泵体结构上和水力设计上去减少噪声源,这就保证先天性控制声源的优越性。From the pump pump body structure and hydraulic design to reduce noise, this ensures the superiority of congenital control source.第二 气体增压泵在使用中的噪声控制方法The second gas booster pump noise control methods in use1 水泵安装和操作的合理性1 the rationality of the water pump installation and operation安装时应严格执行安装程序,以防产生噪音。When installation should strictly carry out the installation program, to prevent noise.在操作上要注意排气(排空),保证允许的吸上高度或保证必需的汽蚀余量NPSHr,控制泵的最小流量,和管道离心泵的超负荷流量运行。Attention should be paid to exhaust (empty) on operation, ensure that allowed on the suction height or to ensure that the necessary NPSH NPSHr, control the minimum flow of the pump, and overload flow operation of the pipeline centrifugal pump.2 采取防护措施防止噪音2 take protective measures to prevent the noise在气体增压泵http://www.xinmingte.com/ 安装过程中,在管架的支承部位放置可以起防振作用的垫片,如橡胶垫及棉织物,加大基础的设计并设置隔离墙。In the process of gas booster pump installation, placed in the bearing parts of the pipe rack vibration can prevent the gaskets, such as rubber mat and cotton fabrics, basic design and set up the wall.另外,可以在泵、电机周围设置隔音罩或者增加隔音棉。隔音罩可采取隔音性能好的材料制造,这种方法比较容易办到,收效快。In addition, you can set up around the pump and motor enclosures or increase the sound insulation cotton. Enclosures may take good sound insulation performance materials, this method is easier to manage, has achieved fast.国外、国内均采用此办法来解决噪声超标准机组的噪音问题。Domestic and abroad, adopts the way to solve the problem of noise for excess noise of the unit.3 无脉动消声器3 no pulse muffler无脉动消声器,有膨胀形和相位互扰形两种类型,外制成了双层筒形为这种无脉动消声器的外形。No-pulsation muffler, expansion and phase entangled two types of external made double cylinder for the appearance of this kind of no-pulsation muffler.将这种无脉动消声器安装在装置后,收到了较明显的效果。Will be installed on the device, this kind of no-pulsation muffler received obvious effect.泵压力脉劫产生的频率噪声由于安装了无脉动消声器,这种频率的噪声几乎完全衰减了。Pump pressure pulse of the frequency of the noise is due to installation without pulsation muffler, the frequency of the noise attenuation almost completely.
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2014-09-01
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