The primary refining equipment has the functions of dehydration, dephosphorization, deacidification, decolorization and deodorization, suitable for a variety of plant and animal gross oil, can meet the national standard of first class oil and secondary oil standards. The video shows some of the primary refining equipment, four refining tank of dephosphorizing, deacidifying, decolorizing and deodorization, a plate-frame oil filter, a matching storage tank and a Roots pump, and a power cabinet that can monitor the refining equipment at any time.