The utility model provides a kind of oil fume separation net, including first outer oil net, inner oil net and second outer oil net, inner oil net is arranged between first outer oil net and second outer oil net, inner oil net is equipped with the inner flow guide piece of interval arrangement, cavity is equipped with between adjacent inner flow guide piece, and cavity is separated into two independent inner layer air ducts by partition column;First outer oil net is equipped with
smoke inlet, and second outer oil net is equipped with
smoke outlet;
Smoke inlet, inner layer air duct and
smoke outlet form separation air duct, form independent inner layer air duct, avoid the collision between the oil fume of different flow direction, reduce disorder, reduce
noise.