The invention relates to the technical field of purifying equipment, in particular to a roller-type waste gas tower. The roller-type waste gas tower comprises a tower body, wherein the tower body is provided with an air inlet and an air outlet, which are communicated with each other; a plurality of roller groups are installed inside the tower body and distributed between the air inlet and the air outlet of the tower body at intervals, and each roller group consists of a plurality of single rollers which are arranged side by side at intervals; a water spraying system is provided with a plurality of spray heads, and the spray heads are respectively distributed on an air inlet end and an air outlet end of each roller group; a filter layer is assembled inside the tower body and on the inner side of the air outlet of the tower body. Under the spraying of the water, the rotating single rollers are collided with the waste gas at a high speed so as to stir the waste gas and further thin the water drop granularity, so that the waste gas is adequately mixed with the water, impurities in the waste gas can be efficiently removed, the formed particles are precipitated under the gravity effect and filtered by the filter layer, a good purifying effect can be realized, the waste gas is more thorough to treat, the environmental pollution is reduced, environmental friendliness is realized, and the roller-type waste gas tower is suitable for being popularized to process the industrial waste gas.