Crude titanium tetrachloride hydrolysis watering device

The utility model discloses the field of the refining of crude titanium tetrachloride, particularly a crude titanium tetrachloride hydrolysis watering device which can be used for keeping the pressure stability of a hydrolysis tank. The crude titanium tetrachloride hydrolysis watering device comprises a mixing chamber, a watering pipeline, a crude titanium tetrachloride inlet pipeline and a nozzle, wherein both ends of the mixing chamber are respectively a connecting end of the hydrolysis tank and a mounting end of the nozzle, and the nozzle is mounted at the mounting end of the mixing chamber; one end of the crude titanium tetrachloride inlet pipeline is communicated with the nozzle; an outlet of the watering pipeline is communicated with the mixing chamber using the spouting direction of the nozzle as the forward direction, and the outlet of the watering pipeline is positioned behind a spout of the nozzle. The crude TiCl4 is pumped in by a circulating pump, negative pressure is generated at the back part of