Jet flotation device and operation method thereof

The invention discloses a jet flotation device and an operation method thereof, and relates to the technical field of flotation machines, and the jet flotation device comprises a tank body assembly, a feeding assembly, a mixing assembly and a spraying assembly. The invention further discloses an operation method of the jet flotation device. The operation method comprises the following steps of ore pulp injection, air injection, mineral separation and concentrate discharge. The groove body assembly is arranged, the feeding assembly is arranged in the groove body assembly, feeding of ore pulp and air can be achieved through the feeding assembly, a material guiding cover is arranged in the feeding assembly, a discharging pipe and an air guiding pipe are arranged in the material guiding cover, and the discharging pipe is arranged at the tangent position of the inner side wall of the material guiding cover; after being sprayed into the material guiding cover through the discharging pipe, ore pulp can do spiral mot