我厂石蜡车间立式发汗装置大水泵房的噪声很大。最初,我们借鉴独山子炼油厂消除电机噪声的经验,采用全包式隔声罩,由于电机温升高,不便检查。后来,在13台电机上把风翅罩拿掉,用隔声罩罩住电动机后半部,在尾部安装阻性消声器(见图1),使泵房的噪声由100分贝降为87.5分贝(A)。 隔 I plant paraffin plant vertical sweating device large pump room noise. Initially, we learn from Dushanzi refinery to eliminate motor noise experience, the use of all-inclusive noise enclosures, the motor temperature rise, inconvenience inspection. Afterwards, the windshield was removed from the 13 electric motors, the rear half of the motor was covered with the noise shield, and a resistive muffler was installed at the rear (see Figure 1) to reduce the pump noise from 100 to 87.5 dB (A ). Every other