Adjustable crustacean living body shell breaking machine and living body water-saving culture method of eriocheir sinensis

The invention relates to an adjustable crustacean living body shell breaking machine and a living body water-saving culture method of eriocheir sinensis. The adjustable crustacean living body shell breaking machine comprises a feeding hopper, a shell breaking device and a receiving box, wherein the shell breaking device comprises two clamping rollers and a driving motor, the two clamping rollers comprise a fixed clamping roller and a horizontal adjustable clamping roller, shaft heads at the two ends of the fixed clamping roller are fixed into matched bearing seats through bearings, the matched bearing seats are fixed to a rack, and the driving motor directly drives the fixed clamping roller to rotate; the horizontal adjustable clamping roller and the fixed clamping roller are in transmission through a gear-synchronous belt mechanism, the two clamping rollers rotate in opposite directions, and when a crustacean organism to be treated passes through a gap between the two clamping rollers, the carapace of the cr