1 results about "Hatchling" patented technology

The utility model belongs to fry release technical field especially for the fry release box of aquaculture, including base, the upper surface fixedly connected with box of base is provided with water changing subassembly in one side of box, is provided with the hatchling outlet that opens in the lower part of the other side of box, the upper part fixedly connected with the fixed base of the other side of box, the lower surface rotationally connected with screw rod of fixed base, the outer wall screw thread connection of screw rod has the screw bush, one side fixedly connected with sealing plate of screw bush. The utility model discloses the hatchling outlet lower part of box is provided with the flow guide plate, turns into the flow guide plate in the pool, and then starts the motor, makes it drive screw rod, thereby drives screw bush and sealing plate and carries out axial movement along screw rod, makes sealing plate gradually leave hatchling outlet, realizes the release opening, and the flow guide plate can guide fry to slide slowly to the water body, thereby avoid fry falling into the water and colliding with the water surface, cause harm to the young fry, influence fry subsequent growth.