Tandem-type static electricity-cloth bag composite dust collector

The invention discloses a tandem-type static electricity-cloth bag composite dust collector. An electric field area is arranged on the front section in a square box shape; the rear section in a shell is provided with a filter bag area; an ash receiving hopper and an ash outlet are arranged below the electric field area and the filter bag area in the shell; a wind field optimization device which can guide gases containing power dust to distribute uniformly in the filter bag area is arranged between the electric field area and the filter bag area in the shell; the wind field optimization device is provided with a gas uniformly distributing plate between the electric field area and the filter bag area as well as a gas flow guide plate which is vertically arranged below the filter bag area and above the ash receiving hopper; and ventilating holes are distributed on the gas uniformly distributing plate. According to the invention, when the wind field optimization device which can guide gases containing power dust