Double-swirl flow spray nozzle of combustor

The utility model relates to a double-swirl flow spray nozzle of a combustor, which comprises a housing formed by fixedly connecting a front end cover with a rear end housing; an oil cutting piece, an oil separating piece and an oil hole atomization inner body are arranged in the housing from front to back in sequence; the oil cutting piece is a circular ring body, and an inner concave conical surface is formed on the rear side of the circular ring body; the oil separating piece is a circular disc body, an annular flange is arranged at the circumferential part on the front side of the circular disc body, and a plurality of spiral fog guide grooves are radially arranged on the flange; and the oil hole atomization inner body is a cylinder, a ring of convex ring body is arranged on the peripheral surface of the cylinder, a cavity is arranged in the cylinder, the cavity is in conduction with the rear end of the cylinder by a through hole, a plurality of atomization grooves are axially arranged on the convex ring