Liquid collecting and redistributing device for packed tower

The invention provides a liquid collecting and redistributing device for a packed tower, which comprises a liquid redistributing device and a liquid collecting device. The liquid redistributing devicecomprises a supporting frame, a first connecting rod, a plurality of liquid spraying pipes, a flow guide pipe and a plurality of fan blades. The flow guide pipe is vertically arranged below the liquid collecting device and is connected with the liquid collecting device. The multiple liquid spraying pipes are horizontally fixed to the outer side wall of the flow guide pipe and communicated with the flow guide pipe, multiple liquid spraying holes are formed in the bottoms of the liquid spraying pipes in the length direction, and the multiple liquid spraying pipes are arranged around the centeraxis of the flow guide pipe in an annular array mode. The fan blades are horizontally fixed to the outer side wall of the flow guide pipe and located above the liquid spraying pipes. The multiple fanblades are arranged around