Tail gas alkali absorption tower during production of industrial oxalic acid

The utility model belongs to the technical field of chemical engineering, and particularly relates to a tail gas alkali absorption tower during production of industrial oxalic acid. The technical scheme includes that the tail gas alkali absorption tower during production of the industrial oxalic acid comprises a tower body, a gas exhaust port is arranged at the top of the tower body, an alkali liquor inlet is arranged on the upper portion of the tower body, a liquor outlet is arranged on the lower portion of the tower body, a first packing layer and a second packing layer are sequentially arranged below the alkali liquor inlet inside the tower body, the first packing layer is positioned on a first tower plate, the second packing layer is positioned on a second tower plate, a tail gas inlet is arranged on the lower portion of the second tower plate, and at least two support columns are arranged between the bottom of the tower body and the first tower plate along the wall of the tower. The tail gas alkali absor