Wood vinegar purification device

A box door is hinged to the rear side of a box body, and an upper transverse partition plate and a lower transverse partition plate are fixed in the box body to divide the box body into a cooling chamber, a processing chamber and a settling chamber in sequence from top to bottom; a cooler is fixed to the top wall of the cooling chamber, a collecting tank is arranged below the cooler, and a liquid outlet is formed in the side wall of the bottom of the collecting tank. An electric heating tank is arranged in the treatment chamber, and the distillation pool is arranged in the electric heating tank; and a settling tank and a distillate collecting tank are arranged in the settling chamber. The pyroligneous liquor purifying device disclosed by the utility model is reasonable in structural design, and tar in a stock solution is precipitated and discharged before the stock solution is distilled, so that the purification purity of pyroligneous liquor can be improved; the temperature sensor can effectively control the