2.The product powder is too fine, the phenomenon of running powder is serious, and the product yield is low

Product particles too fine will affect its solubility, impact adjustment performance. The reason is that the solid content is too low or the feed amount is too small. The remedial measures are to increase the solid content of the feed liquid, increase the feed quantity and increase the air inlet temperature. The loss of running powder greatly affects the yield of finished products. The general reason is the poor separation effect of cyclone separator. If this happens, check whether the cyclone separator is deformed by percussion or collision; Improve the air tightness of the inlet and outlet of cyclone separator, check whether the inner wall and outlet of spray dryer are clogged with accumulated materials. Of course, the separation efficiency is also related to the specific gravity of the powder and the size of the particle size.

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