Waste gas treatment tower

The utility model relates to a waste gas treatment tower. The waste gas treatment tower comprises a vertical rod and a spiral guide plate, the vertical rod is vertically arranged in the tower body; the spiral guide plate is arranged on the vertical rod and is spiral, the inner concave side of the spiral guide plate is completely attached to the outer wall of the vertical rod, the outer convex sideof the spiral guide plate is completely attached to the inner wall of the tower body, the lower end of the spiral guide plate is close to the bottom of the tower body, and the upper end of the spiralguide plate is close to the spraying device. The utility model has the effect that the path through which the waste gas passes can be well prolonged. 本实用新型涉及一种废气处理塔，其包括竖直杆以及螺旋导流板；竖直杆竖直设于塔体内；螺旋导流板设于竖直杆上，螺旋导流板呈螺旋状，螺旋导流板的内凹侧完全贴合于竖直杆的外壁上，螺旋导流板的外凸侧完全贴合于塔体的内壁上，螺旋导流板的下端靠近塔体的底部，螺旋导流板的上端靠近喷淋装置。本实用新型具有能够较好地延长废气所经过的路径的效果。