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The Roots blower manufacturer introduces how to handle noise!
Release time:
2020-11-09
Those who have used a Roots blower should be aware that this type of equipment is good in many ways, but it does produce noise. Today, the editor of Mingfeng will teach everyone how to reduce the noise.
Those who have used Roots blowers should be aware that this type of equipment is good in many ways but can be noisy. Today, the editor will teach everyone how to reduce noise.
Many friends may have heard of two terms: sound absorption and noise reduction. In fact, these two are the same mode, specifically used to control the intensity of noise during transmission. This type of sound absorption is relatively strong and common.
Another method of noise reduction through fans is a special noise control device. It is applied to various machinery and has good effects. It can reduce noise and can be installed on mechanical equipment.
Next, we will take a look at the specific methods together:
1. Methods to control mechanical noise.
For the mechanical noise of Roots fans, the main control method is to improve installation accuracy. Replace old ball bearings or switch to rolling bearings, use sliding bearings to keep the rotor in a dynamic balance state; connect the motor and blower to an elastic coupling; strengthen equipment maintenance, oiling and lubrication, tighten connection bolts, replace damaged parts, etc.
2. General control methods for aerodynamic noise.
(1) Install silencers.
Generally, the aerodynamic noise at the intake and exhaust ports of the fan is higher than that of other components. Therefore, to control fan noise, suitable silencers should be installed on the duct.
Furthermore, silencers should be used on the fan, and the selection, design, and installation of the silencer should be based on actual conditions.
(2) Install sound enclosures.
The method of using soundproof enclosures involves enclosing the entire fan unit with a closed soundproof enclosure. The key to this process is what cooling measures are used to ensure the normal operation of the fan. Air cooling is commonly used both domestically and internationally. The main cooling forms include: self-exhaust fan ventilation cooling, negative pressure suction ventilation cooling, air circulation ventilation cooling in fume hoods, and external mechanical ventilation cooling.
(3) Renovation of the fan room.
If the fan room is equipped with a dedicated fan, it can be transformed into a soundproof room based on site conditions. In other words, the interior of the fan is enclosed, so noise will not spread. Main technical measures include using soundproof doors, soundproof windows, soundproof barriers, walls, etc., and using suitable sound-absorbing materials.
(4) To reduce the noise generated by the fan duct, pipes can be wrapped together to prevent noise diffusion.
(5) When using vibration isolators, consider factors such as stability and ease of maintenance, eliminating rigid connections between machinery and equipment, thereby reducing low solid vibration noise.
Through the above explanation, everyone should have a certain understanding. If after reading this article you have any other questions aboutRoots bloweryou can consult us!
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