Aug. 27, 2021
The main hazards of welding operations include metal smoke (melting electrode and welding parts are prone to produce a large number of heavy metal smoke), toxic gas (welding arc such as carbon monoxide, nitrogen oxide, etc.), arc light radiation (such as infrared, visible and ultraviolet) and so on.Therefore, in order to avoid the harm to your health caused by arc light, welding smoke and harmful gas in welding work, you must take effective personal protective measures, such as welding mask, wearing respiratory protective equipment, etc.
The main occupational hazards of welding are dust, toxic gas, arc light radiation, high frequency electromagnetic field, high temperature, noise, etc., of which welding smoke, toxic gas, arc light radiation is the most common, the most extensive harm.
(1) ozone: is a colorless, has a special pungent smell of harmful gas.It has a strong stimulating effect on respiratory mucosa and lung.
(2) Carbon monoxide: colorless, tasteless and non-irritating gas, mainly generated by the decomposition of carbon dioxide gas under the action of high temperature arc.
(3) nitrogen oxide: a toxic gas with an irritating smell, mainly nitrogen dioxide, which is a reddish-brown gas with a special odor.
(4) Hydrogen fluoride: colorless corrosive gas, severe toxicity.Can be absorbed by the respiratory system and skin, can cause bronchitis and pneumonia, and can have toxic effects on the whole body.
