Two-stage multi-layer spraying absorption tower

The utility model belongs to the field of spraying absorption towers, and discloses a two-stage multilayer spraying absorption tower, a first spraying area and a second spraying area are arranged in a spraying tower main body, the first spraying area is arranged on the peripheral side of the second spraying area, and the first spraying area and the second spraying area are respectively provided with a plurality of packing layers and spraying layers corresponding to the packing layers one by one. The first spraying area is arranged on the peripheral side of the second spraying area, so that the spraying absorption tower is small in occupied area, and the investment cost is saved; gas enters the first spraying area from the flue gas inlet, most of harmful substances in the gas are absorbed after passing through the filler layer and the spraying layer of the first spraying area, and then the gas enters the second spraying area through the connecting hole, passes through the spraying layer and the filler layer of