FIELD: separation.
SUBSTANCE: device comprises dust catcher, adsorber, and sucking device connected via the through passage for supplying air with inlet and outlet branch pipes and mounted on the individual section of the movable platform for permitting mutual connection. The device is provided with the additional section of the movable platform provided with the lock device for connecting with the main sections. The additional section is provided with the device for fine purification of air, which is mounted downstream of the adsorber. The device for fine purification is made of housing that receives vertical grids whose mesh size does not exceeds 0.6 mm. The layers of chemical absorbers are interposed between the grids. The layers catch harmful gases that are generated during welding. The thickness of each layer is 50-80 mm. The specific gas loading of each of the layers does not exceed 1.5 l/min cm2. The device for fine purification of air is provided with the mechanism for discharging of the exhaust chemical absorbers.
EFFECT: enhanced quality of purification.
1 cl, 1 dwg
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