Preparation device and method of algal polysaccharide-containing compound fertilizer

The invention provides a preparation device and method of a compound fertilizer containing algal polysaccharides, and relates to the technical field of compound fertilizer equipment.The preparation device comprises a compound cylinder and a motor, an output shaft of the motor is fixedly connected with a polished shaft, one end of the polished shaft is fixedly connected with a plurality of stirring rods, and one end of the polished shaft is fixedly connected with an inclined rod; a threaded groove is formed in one end of the polished shaft, a gear is rotationally connected to one end of the threaded groove, and an L-shaped rod is rotationally connected to the inner wall of the composite cylinder. Through cooperation of the feeding barrel, the air pipe, the air bag, the rectangular piece, the L-shaped rod, the hemispheroid and the rotating rod, the conveying proportion of the three materials can be manually and freely adjusted, the practicability of the fertilizer device is improved, fertilizers with different