How Does The Silencer Cover of Silencing Generator Work?

In many different industries, facilities, and operations, commercial generators heavily rely on providing reliable backup power in emergency situations (such as power outages). Although fuel type and rated power may be the main considerations when choosing a generator, it is also important to remember the noise level. There may be local noise regulations and rules that enforce noise restrictions, and commercial generators can also be strictly followed. In addition, when choosing commercial backup generators, it may be necessary to strictly follow and adhere to the guidelines of the region and OSHA (Occupational Safety and Health Administration). This is because continuous exposure of the human ear to the noise generated by the generator not only causes damage to the eardrum, but this damage may even be irreversible.

You may want to know how much noise commercial generators can produce? For example, a 50kW diesel generator can typically produce approximately 85dB (A), which is a measurement of the sound that can be heard by the human ear and is equivalent to the sound level from urban traffic. A larger generator set, such as a 1500 kW generator, can be as loud (if not louder) as a jet engine flying 1000 feet above our heads, at a sound level of 105 decibels (A).

It is obvious that this not only makes your neighbors feel annoyed or violates local laws and regulations, but also endangers the health of your employees and nearby residents.

If you plan to install the generator outside the office or facility, purchasing a sound-absorbing casing will help protect the generator from the impact of the natural environment and reduce the noise generated during generator operation.

How does the generator muffler work?

The working principle of the generator noise reduction cover is not only to cover the generator and protect it from various factors (such as wind and rain), but also to reduce the noise generated by the generator.

Most generator manufacturers design casings that are flexible and can be modified to reduce noise levels. As a foundation, many generator manufacturers design and construct enclosures that contribute to sound attenuation, such as steel structures in the 12-14 specification range, creating so-called sound barriers. These are all specially designed to effectively provide a noise control barrier, which can help reduce noise up to 40 decibels (A). Non hygroscopic soundproofing (soundproofing) is a sound-absorbing material installed inside or attached to the interior panel. Vibration isolation suspension helps to absorb vibration, reducing noise and exhaust system. Consider the exhaust system, as the type of generator muffler plays an important role in generating noise.

Sound attenuation shell level

Each major manufacturer designs and produces their own noise reduction covers, which are manufactured for specific generator models, providing varying degrees of noise reduction and the benefits of wind and rain protection. For the noise reduction covers of the generator, they are classified according to the level of noise reduction.

For example, the Cummins sound-absorbing shell is divided into first, second, and third stages.

Level 1- Generator operates at 70 to 89 decibels (A)

Level 2- Generator operates at 63 to 78 decibels (A)

Level 3- Generator operates at 68 to 70 decibels (A)

What is the difference between a windproof and soundproof casing for a generator?

The weather proof casing does provide some sound attenuation, but usually only the minimum sound attenuation can be provided. The soundproof enclosure aims to minimize the noise generated by the generator as much as possible. In addition, the soundproof cover usually has a weather resistant structure to help protect the generator from adverse weather conditions.

Although we want to cover the overall basics of generator casing for you in this article, there are many factors that can come into play, not only to protect your generator, but also to take steps to reduce generator noise.

As a professional diesel generator manufacturer, we always insist on using first-class talents to build a first-class enterprise, create first-class products, create first-class services, and strive to build a first-class domestic enterprise. If you would like to get more information welcome to contact us via sales@dieselgeneratortech.com.