通風(fēng)設(shè)備該如何減低噪音？

發(fā)布人：http://www.hkcts.com.cn   發(fā)布時(shí)間：2018-05-15 11:58:28

     通風(fēng)設(shè)備是由電機(jī)帶動(dòng)的，因?yàn)槭菣C(jī)械設(shè)備，所以會(huì)存在一些噪音。很多人對(duì)通風(fēng)設(shè)備的噪音很是反感，那在使用通風(fēng)設(shè)備時(shí)如何降低噪音呢？
    Ventilator is driven by motor, because it is mechanical equipment, so there will be some noise. Many people are disgusted with the noise of ventilation equipment. How to reduce noise when using ventilation equipment?
    選擇合理的機(jī)型。在噪聲控制要求高的場(chǎng)合，應(yīng)選用低噪聲通風(fēng)設(shè)備。不同型號(hào)的通風(fēng)設(shè)備，在同樣的風(fēng)量、風(fēng)壓下，機(jī)翼型葉片的離心通風(fēng)設(shè)備噪聲小，前向板型葉片的離心噪聲大。
    Choose a reasonable model. When noise control requirements are high, low noise ventilation equipment should be selected. Under the same air volume and wind pressure, the centrifugal fans of the airfoil blades have little noise and the centrifugal noise of the forward blade is large under different air volume and wind pressure.
    通風(fēng)設(shè)備的工作效率。同一型號(hào)的通風(fēng)設(shè)備效率越高，噪聲越小。通風(fēng)設(shè)備室的進(jìn)、排氣通道采取消聲措施。
    The efficiency of the ventilation equipment. The higher the efficiency of the same type of ventilation, the smaller the noise. The intake and exhaust passages of the ventilation room adopt noise elimination measures.

    降低轉(zhuǎn)速可降低噪聲。在可能條件下適當(dāng)降低通風(fēng)設(shè)備的轉(zhuǎn)速，通風(fēng)設(shè)備的旋轉(zhuǎn)噪聲與葉輪圓周速度10次方成比例，渦流噪聲與葉輪圓周速度5次方成比例。
    Reducing the speed can reduce the noise. Under the possible conditions, the rotational speed of the ventilator is properly reduced. The rotating noise of the ventilator is proportional to the 10 times of the circumferential velocity of the impeller, and the eddy noise is proportional to the 5 times of the circumference velocity of the impeller.
    通風(fēng)設(shè)備進(jìn)、出口的噪聲級(jí)是通風(fēng)理、風(fēng)壓增加而增大的。因此，設(shè)計(jì)通風(fēng)系統(tǒng)時(shí)，應(yīng)盡量減少系統(tǒng)的壓力損失。當(dāng)通風(fēng)系統(tǒng)的總風(fēng)量和壓力損失較大時(shí)，可將其分為小系統(tǒng)。
    The noise level of inlet and outlet of ventilation equipment increases with ventilation and wind pressure increasing. Therefore, when designing the ventilation system, the pressure loss of the system should be minimized. When the total air volume and pressure loss of ventilation system are large, it can be divided into small systems.
    氣流在管道內(nèi)的流速不宜過高，以免引起再生噪聲。確定管道內(nèi)氣流流速應(yīng)根據(jù)不同要求按有關(guān)規(guī)定選取。
    The velocity of the airflow in the pipeline should not be too high, so as not to cause regenerative noise. The flow velocity in the pipeline should be selected according to different requirements according to the relevant regulations.
    此外，還要注意通風(fēng)設(shè)備與電動(dòng)機(jī)的傳動(dòng)方式。采用直聯(lián)傳動(dòng)的通風(fēng)設(shè)備噪聲較小，用聯(lián)軸器的次之，用沒有接縫的三角皮帶傳動(dòng)的稍差。通風(fēng)設(shè)備應(yīng)配用低噪聲的電動(dòng)機(jī)。
    In addition, we should also pay attention to the transmission mode of ventilation equipment and motor. The ventilation system with direct connection transmission is the least noise, followed by the coupling and slightly worse with the no joint triangle belt drive. A low noise motor should be used for the ventilation equipment.
    本文由山東通風(fēng)管道友情奉獻(xiàn),更多有關(guān)的知識(shí)請(qǐng)點(diǎn)擊http://www.hkcts.com.cn/。我們將用較的產(chǎn)品,為您提供較滿意的服務(wù)。