Material crushing and sorting device for producing seaweed organic fertilizer

The utility model relates to the technical field of crushing and sorting, in particular to a material crushing and sorting device for producing a seaweed organic fertilizer, and provides the material crushing and sorting device for producing the seaweed organic fertilizer, which can crush and screen at the same time and is time-saving and labor-saving. Comprising a crushing and sorting box, a crushing and sorting cavity is formed in the crushing and sorting box, a crushing assembly is used for crushing raw materials, the crushing assembly comprises two groups of crushing rollers, two groups of gears and a first motor, the two groups of crushing rollers are rotationally connected with the crushing and sorting cavity, and the two groups of gears are connected with the two groups of crushing rollers correspondingly and are in meshed connection; the first motor is fixedly mounted on the crushing and sorting box, the output end of the first motor is connected with the input end of the crushing roller, a feeding po