Titanium dioxide preparing equipment and oxidation technology process

The invention discloses titanium dioxide preparing equipment. The titanium dioxide preparing equipment comprises a front-end feeding pipe, an opposite-spraying cooling device and an aggregate bin device, wherein the front-end feeding pipe comprises a first feeding pipe, a second feeding pipe, a third feeding pipe and a first discharging pipe; the opposite-spraying cooling device comprises a fourth feeding pipe, a fifth feeding pipe, a sixth feeding pipe and a second discharging pipe; the first feeding pipe, the second feeding pipe and the third feeding pipe are communicated with the first discharging pipe; the fourth feeding pipe, the fifth feeding pipe and the sixth feeding pipe are communicated with the second discharging pipe; the first discharging pipe is connected with the fourth feeding pipe; and the second discharging pipe is communicated with the aggregate bin device. The titanium dioxide preparing equipment is simple in manufacturing, under a high temperature and a high pressure, gas phase reactants