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How to effectively reduce the harm of diesel generator noise to human body?
June 01, 2022
Due to its good economy, reliability and long service life, diesel generator sets are widely used as main power or backup power in many industries. In this article, Dingbo Power will focus on the harm of diesel generator noise to the human body and some effective noise reduction methods.
Because of its good economy, reliability and long service life, diesel generator sets are widely used as main power or backup power in many industries, but diesel generator sets also have their defects, that is, the noise effect generated when the unit is running. , In this article, Dingbo Power will focus on the harm of diesel generator noise to the human body and some effective noise reduction methods.
Many people may not have a clear concept of the noise of diesel generator sets. The following examples can help you understand the noise impact of several generators of different sizes on people:
A small 50 kW generator can produce as much noise as city traffic, about 85 decibels. By comparison, a high-powered 1,500-kilowatt generator might emit about 105 decibels of sound, which can be compared to the sound of a jet plane flying 1,000 feet above your head.
In some cases, high levels of noise pollution are more than just an annoyance. According to the Occupational Safety and Health Management Standard, sustained exposure to loud noise can cause serious health hazards, and over time, it can cause Human hearing loss. Therefore, users must pay attention to noise reduction when running diesel generators. The following noise reduction solutions are available for your reference:
1. Built-in noise control
Today's diesel generator manufacturers have produced quieter versions with some improvements in internal combustion control, internal combustion technology, and fuel injection, with newer designs focusing on smooth-running engines and vibration reduction.
2. Noise reduction shell
Some manufacturers of diesel generators also produce enclosures that help with noise reduction. The better ones can reduce noise by 40 decibels. This will easily make most generators fully compliant with noise control standards.
3. Diesel generator muffler
Generator silencers help reduce emissions and noise levels. In addition to reducing noise, some mufflers can help filter emissions to better control environmental pollution and comply with local or Environmental Protection Agency regulations, while also helping to absorb heat.
Diesel generator silencers will also come with noise ratings. As with generators, this rating is expressed in decibels. In this case, they are also divided into different grades. Manufacturers determine these ratings based on the decibel range that the muffler can reduce:
Industrial: 15 to 20DB
Residential: 20 to 25DB
Critical: 25 to 32DB
Supercritical: 30 to 38DB
Hospital: 35 to 42DB
Hospital Additional Services: 35 to 50DB
Extreme: 40 to 55DB
Super extreme: 45 to 60DB
Of course, every generator manufacturer will not produce every style of muffler for every grade. They typically focus their production on the grade and style combinations that customers demand most. You have to take into account that the muffler will restrict airflow to some extent and may affect the performance of the generator.
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