FIELD: production of aluminium powders. SUBSTANCE: method for treatment aluminium powders produced by spraying consists in passing the dust-gas mixture from the last cyclone through bag filter. In this case, the ratio between the pressure of gas flow at the outlet of bag filter and the pressure in the second stage classifier is maintained within 1-2. The device for treatment of aluminium powders provides for installation of bag filter after cyclones. Bag filter inlet is connected with the last cyclone outlet, and outlet, with the second stage classifier chamber. EFFECT: higher efficiency. 2 cl, 1 dwg
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