الجمعة، 27 ديسمبر 2013

Some Basics Related To Industrial Noise Control

مرسلة بواسطة Unknown في 5:02 ص
By Eugenia Dickerson


Excessive noise in the work place is a common problem that is not just a bother but a health hazard as well. Noisy equipment in the workplace includes vacuum pumps, blowers, compressors, stamping presses and air handling equipment. There are a number of options of industrial noise control that are currently available for use. The choice of method is dependent on the amount of masking that is desired. It is common for two or three of these methods to be used in combination.

Sound blankets or sound curtains are some of the most popular choice of masking these environments. The blankets are fitted in the affected areas. They may be affixed onto the walls or the ceilings. They can alternatively be used to wrap equipment such as compressors, pumps and other heavy equipment. They have the main advantage of being effective and easy to use

Sound enclosure has been established to be one of the most effective mechanisms for bringing noise under control. In this approach, several panels made of steel are used in the construction process. The panels are shaped in a manner that will still make access of the affected area possible for the worker. They allow for fitting of ventilation spaces and the floor remains usable for other needs. It is possible for one to request customised panels as per specific needs of their industry.

Sound barrier walls are effective when used both outdoors and indoors. They are recommended for buildings that do not support roofed systems of sound proofing. Materials chosen here are also made of steel and comprise both sheets and panels. Baffles are another alternative that are used in structures where roofed sound masking is impractical. They are mounted onto ceilings so that they can enhance sound absorption.

Silencers are another option that one may wish to consider. These are also known as mufflers or attenuators. They are used when the cause of the problem is excessive airflow. They are fitted inside the ductwork or mounted on the equipment itself. Related to the same is the use of composite foam which is also fitted inside the cabinets of machines and other noisy equipment. They are fairly simple to use.

There are many other options that can be used some of which require some improvisation. Duct lagging is a simple yet quite effective measure. In this method a noisy pipe or duct is wrapped using composite material. This material controls sound transmission through the walls of the pipe or duct.

The alternative to modification of equipment and structures is the creation of a quiet room. The quiet room or test enclosure is an important requirement of quality control departments. It helps keep the room free from noise pollution even when no other measures have been undertaken.

Noise pollution causes great discomfort in the work place. It also poses a huge health risk to the people who work in such environments. The affected persons need to have proper protective gear to minimize the risk of suffering from hearing impairment. At the same time, they need to undergo regular medical check-ups to ensure that they are not affected. Measures that have been put in place for industrial noise control should be checked regular to ensure that they are always in a good state.




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