Rapid feed mixing device for fish-shrimp comprehensive culture mode

The invention discloses a rapid feed mixing device for a fish-shrimp comprehensive culture mode, which belongs to the field of fish and shrimp culture, is used for feed mixing, and comprises an outer shell consisting of a feed inlet, a feed guide cylinder, a feed distribution section, a first-stage mixing and distributing section, a second-stage mixing and distributing section and a discharge cylinder, an inner barrel body integrally formed by a material guide cone, an inner barrel material guide section, an inner barrel upper material distribution section and an inner barrel lower material distribution section is coaxially arranged in the outer shell, and a distance for feed to flow is reserved between the outer wall of the inner barrel body and the inner wall of the outer shell; a first-stage material distributing device is arranged at the first-stage mixing material distributing section, a second-stage material distributing device is arranged in the inner barrel lower material distributing section, an outl