With the continuous development trend of the processing and manufacturing industry, welding has long become an important processing technology in the processing and manufacturing industry at this stage. However, during the whole welding process, welding fumes will be caused. At the same time, along with a lot of heat generation, it will continue to cause environmental pollution, radiation sources and noise, which will harm the physical and mental health of the operators. At the same time, productivity cannot be guaranteed. laser cutting air filter

The composition of welding fume is very complex, it is a mixed chemical substance of arc welding dust, toxic gas and its metal smoke. As far as chemical molecules are concerned, more than 20 varieties have been found, the common ones are Na, Si, Al, Fe, Ca, Mn, Ti, Cu, etc. The main components of the metal chemical substances are Fe2O3, CaO, SiO2, MnO, HF Toxic gases generally include CO, CO2, O3, NOx, etc., among which CO occupies a relatively large proportion of toxic gases. laser cutting smoke extractor

The reflow soldering fume is very harmful to the body. If the concentration of CO in the toxic gas exceeds a certain value, the welding operator can feel headache, nausea, weakness, and even death. NOx can cause irritating taste and harm to the respiratory system of workers. It can make workers feel chest tightness, shortness of breath, shortness of breath, nausea and vomiting. Once workers inhale NO for a long time, they can cause acute pulmonary edema. In terms of heavy metal smoke, long-term inhalation of metal metal oxides by operators can cause welders' pneumoconiosis, skeletal fluorosis, manganese poisoning, metal fever and mental weakness. laser enfraving air filter

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