The utility model discloses a nimbin evaporation plant, including heating chamber, evaporating chamber, the heating chamber is hollow cuboid form, is stamped the top cap on the heating chamber, makesthe heating chamber become an airtight space, and heating chamber inner wall top is provided with the connecting plate, is equipped with the side hot plate below the connecting plate perpendicularly,the heating chamber bottom is provided with the base heating board, just heating chamber left side wall has been from last to having set gradually steam inlet, manometer, inlet down, and heating chamber right side wall is linked together through first connecting pipe and second connecting pipe and evaporating chamber, still be equipped with condensate outlet on the wall of heating chamber right side, condensate outlet is located and is close to first connecting pipe top department, and condensate outlet is linked together through pipeline and comdenstion water collection tank, the evaporatingchamber lower extreme is provided with the discharge gate, the utility model discloses aim at solving the difficult problem of wasing and can not effectively utilize flash steam and comdenstion waterof current evaporation plant.