Investigation and analysis of underground noise in Sichuan coal mines / 中华劳动卫生职业病杂志
Chinese Journal of Industrial Hygiene and Occupational Diseases
;
(12): 149-151, 2022.
Artigo
em Chinês
| WPRIM
| ID: wpr-935765
ABSTRACT
Objective:
To understand the harm degree of underground noise and provide basis for noise control.Methods:
In November 2019, 13 typical coal mines in Sichuan Province were selected as the research objects, and a total of 1203 sites and 609 jobs of noise exposure were investigated.Results:
The noise intensity P75 >80 dB (A) was measured. The noise intensity of the inspection place of the air compressor is >86 dB (A) , the noise intensity of the inspection place of the gas drainage and the operation place of the main fan is between 80-85 dB (A) .Conclusion:
Besides the harm of dust, noise exposure should also be paid attention to, and the measures of sound absorption and sound insulation should be taken or personal protection should be strengthened.
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Assunto principal:
Exposição Ocupacional
/
Carvão Mineral
/
Minas de Carvão
/
Poeira
/
Ruído
Idioma:
Chinês
Revista:
Chinese Journal of Industrial Hygiene and Occupational Diseases
Ano de publicação:
2022
Tipo de documento:
Artigo
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