White spirit after-run distillation device and distillation method

The invention discloses a white spirit after-run distillation device and a white spirit after-run distillation method.The white spirit after-run distillation device comprises a steaming bucket of a hollow structure and a steaming cover detachably arranged on the steaming bucket to form sealing fit, and further comprises a distillation mechanism arranged below the steaming bucket and a condenser communicated with the steaming bucket through a white spirit steam guide pipe; the distillation mechanism comprises a reboiler communicated with the bottom of the steaming bucket, and the reboiler is provided with a steam inlet, a condensed water outlet, an after-run feed port and a waste liquid discharge port; and the condenser is communicated with the steaming bucket through a reflux pipeline. The white spirit after-run distillation method comprises an intermittent distillation method and a continuous distillation method. The after-run disclosed by the invention not only can be used as a material to be distilled, but