FIELD: construction equipment, particularly, apparatuses for application of decorative or anticorrosive protective coating to various surfaces with powdery materials. SUBSTANCE: offered device includes combustion chamber and axial tube for supply of sprayed material. Nozzle grate is installed at combustion chamber outlet. Nozzle grate is conical in shape whose vertex is directed inside combustion chamber. Holes of nozzles are arranged over circumference and made with bevel cut to converge gas jets from nozzle to focus behind which working powder is supplied to formed rarefied zone. EFFECT: higher efficiency. 1 dwg
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