Starch milk online spraying device for film transfer sizing machine

The utility model discloses a starch milk on-line spraying device for a film transfer sizing machine, which comprises a spraying system and a starch storage system, the spraying system is communicated with the starch storage system through a feeding pipe and a return pipe, the starch storage system comprises a storage tank, and the storage tank is connected with a starch milk preparation tank through a connecting pipe; the spraying system comprises atomization nozzles, a universal metal pipe and a spraying pipe, one end of the universal metal pipe is connected with the atomization nozzles, the other end of the universal metal pipe is connected with the spraying pipe, the atomization nozzles are communicated with the spraying pipe through the universal metal pipe, the number of the atomization nozzles is multiple, and the atomization nozzles are transversely arranged in rows along the paper machine; and the nozzle direction of the atomizing nozzle is arranged towards the sizing bottom roller. The on-line spray