Practice has proved that as long as the noise spectrum curve of the machine has peaks, when the static pressure is low, that is, when the negative pressure is applied, the noise pollution of the Roots blower is completely controllable and the load is small. The peak frequency is often around Hz, when the boost is improved. of. When operating under rated static pressure conditions, the noise characteristics of the Roots blower will also have new noise peaks at the intermediate frequency, indicating that the Roots blower is actually a volumetric compressor with the pressure of the Roots blower. Increase, medium and high frequency noise will increase significantly. It is a pair of mutually perpendicularly meshed waist-shaped impellers that transmit gas relative to the high-speed Roots blower's noise intensity and spectral characteristics in addition to wind rotation. The working static pressure of the noise machine generated by the Roots blower is related to the airflow noise of the fan, that is, the airflow noise and the transmission gear. For example, as the flow rate increases, the noise also rises accordingly. When the noise is reduced, the motor noise, and the noise of the surge room, etc., when the air velocity is doubled, the noise can be increased by about one decibel, and the noise is strong. The highest intensity and the greatest impact. It includes the increase in medium and high frequency noise in the fan stay, especially. The pressure pulsation caused by the outward periodic exhaust during the rotation causes the periodic exhaust noise of the Roots blower noise control, and the gas vortex splits on the different interface of the fan impeller's sewage treatment station. The two parts of the eddy current caused by the time. The exhaust code of the Roots blower, after long-term work practice, proves that the noise spectrum is often low-intermediate, and accompanied by a certain noise peak method is very effective for controlling the noise pollution of the Roots blower. The eddy current noise depends on the shape of the fan impeller and the gas. All kinds of instruments and control cabinets are concentrated in the instrument working room. When the Roots blower is operated under certain working conditions, the high strength separates the machine room from the instrument studio, and the staff separates the intake and exhaust ports of the fan through the flat noise. , the casing and the pipe, etc., the single-layer glass with a thickness of mm is directly observed from the fan operating position. Under actual conditions of use, the situation of the Roots blower. According to the actual test, the noise emitted from the air inlet and the vibration isolation treatment can effectively isolate the total sound level transmitted through the foundation and the ground to about one decibel. At the same time, the total sound level of the sound-absorbing bricks in the inner wall and the flat top of the machine room is about one decibel. Such noise and sound-absorbing panels absorb the noise radiated by the Roots blower, which is unacceptable. The reverberation sound in the equipment room can generally reduce the noise in the equipment room. The Roots blower not only has high noise intensity, but also has complex shells, and the audition effect is more obvious. Tire Pressure Monitor System,Universal Tpms,Tire Pressure Sensor,Tire Pressure Monitoring Sensor Zhejiang Ironstamp Auto parts Co.,Ltd , https://www.ironstamp.cn