Occupational noise suppression measures

Occupational noise radon prevention and control measures In industrial production, noise is generated due to mechanical rotation, impact, friction, airflow discharge, operation of transportation vehicles, and the like. Working in a noise-contaminated environment for a long time, early hearing loss or increased hearing threshold may occur, resulting in hearing fatigue. On the basis of the occurrence of hearing fatigue, long-term exposure to strong noise, hearing loss can not be fully restored. This is because the inner ear sense organs are affected by noise, and functional changes have evolved into organically promoted lesions, that is, occupational noise.

The treatment of occupational noise 对 There is currently no effective treatment for noise ,. The emphasis should be on prevention. In the early use of hyperbaric oxygen or to dilate blood vessels, enhance nutrition and metabolism of drugs have partial efficacy. Wearing a hearing aid can play a part.

Occupational noise prevention According to the specific situation, take different measures to control and eliminate noise sources, and take measures such as sound absorption, noise reduction, sound insulation and vibration isolation to control the propagation and reflection of noise. Noise is not effectively controlled at production sites, or personal protective equipment that meets hygiene standards must be worn when working in a special high-intensity noise environment. This is an effective preventive measure.

1, the use of earplugs
(1) When using various earplugs, first pull up the auricles to make the concha lumen straight, and then hold the earplug handles, gently push the earplug cap body part into the external ear canal, and make it as much as possible. The earplug body fits into the concha cavity. But don't try too hard or too deeply, so feel comfortable with yourself.

(2) When you feel bad sound insulation after wearing, you can turn the earplug slightly and adjust it to the best position. If the effect is poor after repeated adjustments, you should consider using earplugs of other models and specifications to try out the best ones.

(3) When wearing foam plastic earplugs, the cylindrical body should be smashed into a cone and then plugged into the ear canal to allow the plug body to rebound and fill the ear canal.

(4) Wear earplugs made of silicone rubber, should distinguish between the left and right plugs, can not be wrong; put the ear canal, the ear plugs should be placed in a positive position, so that it close to the concha cavity.

2, the use of earmuffs
(1) When using the earmuffs, check whether the cover has cracks and air leakage. When wearing it, you should pay attention to the direction of the cover and wear it along the shape of the ear.

2) Place the attachment arches in the proper position on the top of the head so that the earmuffs' soft washers and the surrounding skin are as close as possible to each other. If it is not suitable, move the earmuffs or the bow stand until it is adjusted to a suitable position.

(3) Whether earmuffs or earplugs are worn, they should be worn before entering a noisy workshop. They must not be taken off in the noise area to avoid damage to the eardrum. If you really need to take it off, you should remove the earplug or remove the earmuffs at rest or after leaving.

(4) After the earplugs or earmuffs are cushioned, they must be cleaned with soap and water, then dried and then stored. Rubber products should be heat-resistant and talcum powder should be stored.

China Labor Insurance Network