Spraying purification tower for factory waste gas treatment

The utility model relates to the technical field of waste gas treatment equipment, in particular to a spray purification tower for factory waste gas treatment, which comprises a spray tower, a circular truncated cone pollution discharge barrel is fixedly mounted at the bottom of the spray tower, the circular truncated cone pollution discharge barrel is in an inverted hollow circular truncated cone shape, and a pollution discharge pipe is fixedly mounted at the bottom end of the circular truncated cone pollution discharge barrel. A support is fixedly installed on a flange plate of the blow-off pipe, shaft holes are formed in the inner walls of the left side and the right side of the support, a protruding block is rotationally connected to the support through a rotating shaft, a plugging cover is fixedly installed at the end of the protruding block, an air inlet pipe is fixedly installed on a bottom cylinder body of the spraying tower, and a liquid discharging pipe is fixedly installed on the circular truncated