Separating apparatus applicable to biodiesel production

The utility model discloses a separating apparatus applicable to biodiesel production, comprising a heat exchanger, a buffering tank, a separator and a centrifugal machine which are successively connected. A third heavy-phase outlet is arranged beside the centrifugal machine. The separating apparatus further comprises a reflux pipe, one end of the reflux pipe is connected with the third heavy-phase outlet, and an outlet at the other end of the reflux pipe is connected with an inlet of the buffering tank. The separating apparatus can continuously separate biodiesel, glycerol and methyl alcohol, is high in separating degree, and has important significance for prompting batch production of biodiesel.