Device suitable for preventing reaction liquid from moving upwards during white latex production

The utility model provides a device for preventing reaction liquid from flowing upwards during white latex production, which is applied to a polymerization process of a white latex production process, a liquid phase outlet of a condenser is positioned above a reaction kettle, and the liquid phase outlet of the condenser is communicated with the inside of the reaction kettle at the top of the reaction kettle through a liquid phase pipeline; the liquid phase pipeline is smoothly bent in an S shape to form two U-shaped pipe sections, the two U-shaped pipe sections are vertically arranged, the vertical surfaces of the two U-shaped pipe sections are vertical, the two U-shaped pipe sections are a first U-shaped pipe section and a second U-shaped pipe section in sequence along the liquid phase flow direction, the opening of the first U-shaped pipe section connected with the liquid phase outlet of the condenser faces upwards, and the opening of the second U-shaped pipe section connected to the top of the reaction ket