Multi-pipe high-pressure jet flotation device

The utility model discloses a multi-tube high-pressure jet flotation device which comprises a flotation box, the flotation box is divided into a concentrate tank, a raw ore tank and a tailing tank through partition plates, a plurality of flotation tanks are arrayed on the upper portion of the concentrate tank, and the flotation tanks are communicated with the raw ore tank and the tailing tank through circulation channels respectively. An adjusting door for controlling opening and closing is arranged between the circulating channel and the raw ore tank, and a discharging valve for controlling opening and closing is arranged between the circulating channel and the tailing tank; a discharge pipe is arranged at the bottom of the concentrate tank, a discharge pipe is arranged at the bottom of the tailing tank, and a return pipe is arranged at the bottom of the raw ore tank. The flotation box is subjected to optimized structural design, the lower washing pipes can be correspondingly arranged according to the number