Slot nozzle for instant freezer

The invention relates to a slot nozzle for an instant freezer. The slot nozzle for the instant freezer comprises a plurality of V-shaped flow guide grooves which are uniformly arranged in parallel along the moving direction of a frozen product conveying plate belt and slot nozzle bodies communicated with the lower end of the V-shaped flow guide grooves; each V-shaped guide groove comprises two strip-shaped plates which are arranged in an inclined manner, the cross section of the V-shaped flow guide groove is in a rectangular shape, the longitudinal section of the V-shaped flow guide groove inthe width direction is in an inverted trapezoid shape, and the upper portions of every two adjacent V-shaped flow guide grooves are connected through a flat plate; each slot nozzle body comprises twostrip-shaped plates which are oppositely arranged in parallel, and the upper ends of the two strip-shaped plates of each slot nozzle body are connected with the lower ends of the two strip-shaped plates of the corresponding V-