Vertical fractional column and fractionating device comprising same

The utility model provides a vertical fractional column which is used for a fractionating process in a chemical resin production reaction process and comprises a column body. A gas phase component inlet is arranged at the bottom of the column body, a gas phase component outlet is arranged at the top part of the column body, a cooling water inlet is arranged at the lower part of the side surface of the column body, and a cooling water outlet is arranged at the upper part of the side surface of the column body; and the column body is internally provided with at least one gas guide pipe, the upper end of the gas guide pipe is connected with the gas phase component outlet, and the lower end of the gas guide pipe is connected with the gas phase component inlet; and the column body is internally provided with a spiral baffle. On the basis of the vertical fractional column, the utility model also provides a fractionating device comprising the vertical fractional column and an application method thereof. The fraction