-
Products
-
-
-
After-sale Service
How can we reduce the noise of a Roots blower? What is the solution?
Release time:
2022-03-21
In fact, it is normal for Roots blowers to produce noise during daily operation. As long as there is no abnormal change in sound, there is no need to worry. If a quiet working environment is required, some soundproofing devices can be used. The mechanism of noise generation in Roots blowers is due to the presence of different noise sources within the fan, but the locations of generation are different, including: first, aerodynamic noise at the inlet and outlet; second, radiated noise from the mechanical chassis and engine; (3) basic sound radiation from solid sounds. Among these noise sources, the aerodynamic noise emitted from the input and output points (referred to as aerodynamic noise) is the strongest, while mechanical noise and other noises such as electromagnetic noise are secondary factors in the normal operation of the fan. Analyzing the frequency spectrum of the noise generated by the Roots fan reveals that its characteristic is low bandwidth. Aerodynamic fan noise is mainly composed of two parts: rotational noise and vortex noise. To eliminate some noise, one can choose to install a silencer at the exhaust port of the Roots blower, which has built-in sound-absorbing inserts. Alternatively, adding a soundproof cover to the Roots blower can not only solve the noise from the casing and motor but also provide overall vibration isolation for the fan base.
In fact, it is normal for Roots blowers to produce noise during daily operation. As long as there is no abnormal change in sound, there is no need to worry. If a quiet working environment is required, some soundproofing equipment can be used. The mechanism of noise generation in Roots blowers is due to the presence of different noise sources within the fan, but the locations of generation are different, including: first, aerodynamic noise at the inlet and outlet; second, radiated noise generated by the mechanical chassis and engine; (3) basic sound radiation of solid sounds. Among these noise sources, the aerodynamic noise emitted from the input and output points (referred to as aerodynamic noise) is the strongest, while mechanical noise and other noises such as electromagnetic noise are secondary factors in the normal operation of the fan.
The analysis of the noise spectrum generated by the Roots fan reveals that its characteristic is low bandwidth. The aerodynamic fan noise is mainly composed of two parts: rotational noise and vortex noise. To eliminate some of the noise, a silencer can be installed at the exhaust port of the Roots blower, with built-in sound-absorbing inserts. Alternatively, a soundproof cover can be added to the Roots blower, which can not only solve the noise from the casing and motor but also provide overall vibration isolation for the fan base.
Key words:
Submit information now to obtain the total solution of wind turbine
To provide users with high-quality products and convenient pre-sale, sale and after-sales service, reflecting the "Ming Feng" to make users satisfied with the whole process of service.
No. 1-3, West First Road North, Fenghuangshan Industrial Park, Puji Street, Zhangqiu District, Jinan City, Shandong Province
Free service hotline