Fish primary screening and temporary rearing life support equipment

The utility model discloses a fish preliminary screening and temporary rearing life support device which comprises a temporary rearing frame serving as a temporary habitat of fishes, the temporary rearing frame is provided with a lifting device, and the lifting device comprises a hole-shaped grid plate used for temporarily lifting the fishes. The porous grid plate drives a chain through a motor to move up and down in the temporary culture frame so as to perform primary screening; meanwhile, the system further comprises a rearing device and a water supplementing device which are used for supplementing oxygen and water into the temporary rearing frames, and a fish releasing device used for releasing fishes in the temporary rearing frames. By means of the vertical movement of the lifting device, the size of the hole of the grid plate and the participation of the water and oxygen supplementing device, fish temporary rearing, fish putting and fish type primary screening can be better achieved, operation is more re