FQFD series Wheat Flour Purifier machine Purifier for grain flour mill is digesting the most advanced technology in the world. Using the combined action of sieving and airflow to select, purify and purify wheat residue, coarse wheat heart, fine wheat heart and coarse powder, so that the materials can be classified according to different qualities and particle sizes, and the bran crumbs can be removed, so as to improve the Flour quality and yield.