Raw oil filtering device

The utility model provides a high-efficiency and high-quality raw oil filtering device. The raw oil filtering device comprises a raw oil tank, a filtering device and a product oil tank which are sequentially connected, wherein a heating bar is arranged in the raw oil tank; the filtering device comprises two filter net groups, each filter net group comprises three layers of filter nets which are sequentially arranged, the mesh number range of the first layer of filter net is within 30-40 meshes, the mesh number range of the second layer of filter net is within 60-80 meshes, the mesh number range of the third layer of filter net is within 100-120 meshes, and electric heating wires are arranged on the filter nets. According to the raw oil filtering device, the heating bar is arranged in the raw oil tank, and the mobility of raw oil is improved by heating raw oil, so that the filtering efficiency is improved; by virtue of the three layers of filter nets having gradually-increased mesh numbers in each group, the q