Method for preparing oil from whole grains of corns

The invention discloses a method for preparing oil from the whole grains of corns. The corn oil is produced by the procedures of as the whole grains of the corns are used as materials, removing impurities, sieving for classification, roasting, squeezing, primarily filtering, carrying out heat treatment, separating, precisely filtering, cooling and storing. The method disclosed by the invention has the advantages that the freshness and the quality of the materials for preparing the corn oil are effectively guaranteed, the sections of extracting germs, pretreating the corn germs, deeply refining and the like in an existing corn-oil preparation technology are omitted, the production process of the corn oil is simplified, the investment for equipment and facilities is greatly reduced, the production process of the corn oil is shortened, and nutritional substances in the corn oil are retained as possible, so that the high-quality corn oil is obtained and the production cost and the energy consumption are reduced.