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The Significance And Profits From Industrial Acoustics In Cryogenic Applications

by Cinthia Rosa
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Industrial processes can be noisy because the processes as well as the equipment to process and manufacture (petro) chemicals typically contain high-temperature and high pressure equipment.

This could cause excessive noise that can cause harm to workers as well as the environment. suspended ceiling systems  have multiple insulation solutions that could aid in the prevention of noise pollution of processing equipment and piping.

What Exactly Is Noise And Pollution?

The sound is a mechanical phenomenon that is manifested as an acoustic signal through a medium. The sound can be perceived to the human senses within the frequency from 16 Hz to 16,000 Hz. The term “frequency” can be defined as the amount of oscillations per second.

The pitch gets higher when frequency increases. The word “noise” refers to a sound thought to be loud or unwelcome or unpleasant, and causes disturbance. At certain amounts and durations it may have negative impacts on the human body and the environment.

What Is The Reason To Care About Industrial Acoustics?

Industrial processes are typically noisy because the processes and equipment used to create and process (petro) chemicals typically contain high temperature and high pressure compressors, pumps, blowers, agitators, blowers and coolers.

This is usually the case when liquids and gases are operating at high velocity or pressure. The excessive levels of noise are a hazard to employees’ hearing health since noise-induced hearing loss is among the most frequently occurring occupational accidents in (petro) chemical processing settings.

In many cases, these environments have no barriers that are in place to prevent the sound of machinery from going outside the boundaries of the facilities. The increasing stringency of environmental, health and safety regulations have resulted in the importance of looking at noise control in industrial processes.

The goal of these rules is to ensure that the hearing of workers is protected from exposure to excessive levels of noise that could result in long-term hearing loss.

(Work environments can easily exceed the 85 dB threshold, which requires employees to wear hearing protection.) From an ear-zoning perspective the regulations were designed to help keep industrial buildings and property noise levels to the noise level that is required.

An ideal method to improve noise reduction is to add hush soundproofing to the piping and equipment in the process of installation. This will limit the noise levels to the acceptable limit once the equipment is in operation again.

Failure to install the proper Acoustic protection is likely to cause expensive repairs or ban the usage of certain equipment as a result of non-compliance with HSE guidelines.

Solutions For Acoustics In Cryogenic Applications

The first step to reduce noise is the correct selection of materials, equipment and a well-planned design. Utilising an appropriate acoustic insulation system to reduce the sounds from the equipment that is operating and also in the connecting pipes has proven to be among the most effective strategies to safeguard the workers from excessive noise due to process lines.

Noise is usually create in LNG facilities due to equipment that is in use during regasification, liquefaction or simply when loading or unloading. Systems for insulating sound typically design to reduce the amount of noise. When it comes to LNG and ethylene-relate projects losses in insertion for classes C or class D is usually require.

Acoustic floor insulation has developed a new acoustic insulation method for cryogenic applications. It draws advantage of its cryogenic characteristics of cellulose glass in addition to the acoustic qualities of mineral wool.

The system is made up of an old-fashioned insulation system develop to deliver cryogenic thermal insulation and then top off using a wool insulation system develop and test to ensure Class C or D compliance.

Benefits From Savings, As Well As Other Benefits

1. Lower Cost Of Materials

Utilising a cellular glass insulation method and mineral wool you’ll be able to decrease the thickness of your top layer required to meet the requirements of class.

2. Lower Labour Cost

Since the top layer can be thinner, it’s also possible to reduce thickness of the cladding as well as the mass layer, making the whole system easier to work with and install. This can result in faster installations and ultimately lower costs for labour.

3. Pipes Are Lighter And Less Weight

With the ability to use the lower density of mineral wool along with a lower thickness of the cladding and a decrease of the thickness layer the weight of the pipes will become less.

Let’s Look At An Example

Let’s say that you have a home theatre capable of 100 dB at its peak. In a typical room the noise floor would typically be 50 decibels. Things such as HVAC fans, dishwashing machines operating or people walking, sounds emanating from windows or doors.

All can contribute to this. This means that the highest level of dynamic range that a system or room can reach can be 50 decibels (100 DB max, with a noise floor of 50 dB in which sound is mask by the background noise).

If we construct the room properly and pay close attention to isolation and soundproofing, we should be able to bring the noise floor to around 20-30 dB. If it’s 30dB and we’re using the same equipment, we have the maximum volume of dynamic range that is 70dB (100 dB maximum minus 30-dB floor).

This gives us more dynamic range, and less need to make things enough to be able to hear the smallest notes and harmonics, for example. Soundproofing your home can transform your life experience to your advantage.

Soundproofing your house is the most effective method of ensuring you have the most peace. When building new structures it is essential to choose the best system for soundproofing. Thus, the earlier you make plans for soundproofing, the more likely you are to attain a higher quality of living.

As we have mentioned the suspended ceiling panels process has evolved from the realm of convenience and has become one that is legal in certain areas and, more significantly, it is now an issue of public health risk.


Acoustic insulation absorbs and transmits or redirects sound. Energy is transmit through waves. Noises that are not want or unwant aren’t just uncomfortable to listen to. They could be detrimental to health, threaten the safety of workers and cause stress in the body. The negative effects of noise are often severe however; its effects are often overlook.


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