| 摘要 |
The present invention relates to a dual grinding apparatus provided with a dual grinder having different rotation rates. The present invention is to provide a dual grinding apparatus having a millstone type grinder and a knife type grinder, in which the millstone type grinder and the knife type grinder are rotated at rotation rates different from each other to maximize grinding efficiency. Thus, a dual grinding apparatus grinding foods or food waste into small pieces by a rotation of a grinder of the present invention includes a first grinder firstly grinding foods or food waste and a second grinder disposed under the first grinder to secondly grind the foods or food waste into small pieces, wherein the first and second grinders are coaxially rotated at different rotation rates from each other. |
