Spraying disinfection device

The utility model discloses a spray disinfection device in the technical field of livestock breeding, which comprises a bottom plate, a storage box is fixedly arranged on the upper side of the bottom plate, a batching box is arranged on the upper side of the storage box in a penetrating manner, a plurality of groups of partition plates are fixedly arranged on the inner side of the batching box, and a plurality of groups of scale marks butted with the partition plates are arranged on the inner side of the batching box; an inserting groove is formed in the portion, located on the lower side of the partition plate, of the inner side of the batching box in a penetrating mode, an inserting plate is movably inserted into the inner side of the inserting groove, and a mounting plate is fixedly arranged on the portion, located on the outer side of the batching box, of the outer side of the inserting plate; a spray head is fixedly arranged at the part, located outside the storage box, of the outer side end of the disch