Iron phosphate integrated drying device, drying system and drying method

The invention relates to the technical field of iron phosphate drying, in particular to an iron phosphate integrated drying device, a drying system and a drying method. The lower filtering piece is provided with a through hole; a stirring member; the air inlet pipe assembly comprises an outer pipe body and an inner pipe body, the inner pipe body can be lifted, and an air inlet hole is formed in the inner pipe body; the inner pipe body has a first state, a second state and a third state. The drying system comprises an integrated drying device, a material collecting box, a rotary drying furnace, a solid-gas separation mechanism and a dehumidifier. According to the iron phosphate integrated drying device, the drying system and the drying method, cleaning, filter pressing and drying of iron phosphate can be integrally completed, drying and dehydration of iron phosphate can be continuously completed through cooperation of the rotary drying furnace, and the problems existing in the prior art are effectively solved.