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Industrial Noise Monitoring
Introduction
Noise is one of the most common types of environmental pollution, which can cause harm to physical and mental health of people. In recent years, with the acceleration of industrialization and urbanization, industrial noise pollution has become increasingly serious, which not only affects workers’ health but also affects the quality of people’s lives. Therefore, industrial noise needs to be monitored and controlled.
Main content
1. Concept and characteristics of industrial noise
Industrial noise, also known as industrial power noise, is the sound generated by the mechanical operation of factories, production workshops, and equipment and machinery, as well as by transportation, generators, and air compressors. Industrial noise has the characteristics of fast spread, wide range of sound source and long duration of interference to environment. It can cause serious psychological and physical disorders of residents nearby and far away.
2. Grounds of industrial noise monitoring
In order to protect the environmental quality and public health, observation and monitoring of noise pollution must be done. According to the provisions of Code for Environmental Noise Control (GB3096-2008) of Ministry of Environmental Protection, the level of basic sound, equivalent continuous sound pressure and maximum sound pressure of lndustrial noise should be strictly controlled and monitored. Industrial noise should be monitored based on the pollution source, environment and peoples health status.
3. Method of industrial noise monitoring
– Digital noise tester
Digital noise tester is a new integrated digital sound intensity meter with high accuracy. It is an ideal instrument for acoustic and noise control in industrial and urban areas. It can be used to measure the equivalent sound pressure at different frequencies, maximum value and time history of noise.
– Noise monitoring system
Noise monitoring system can be used for on-line monitoring and alarm of noise, providing the basis for sound pollution control decisions. It can also help to monitor and track the long-term trends of noise in the environment
4. Conclusions
Industrial noise needs to be monitored and controlled due to its particularity. Several methods, such as digital noise tester and noise monitoring system, can be used to monitor and control industrial noise. However, there is still lack of measures to reduce industrial noise, especially in developing countries. It is suggested that governments of these countries should take more effective measures to reduce industrial noise and protect the environment and peoples health.
