Distributed small-unit electric dust remover

The invention discloses a distributed small-unit electric precipitator which comprises a shell with a flue gas inlet and a flue gas outlet, a plurality of electric fields, a plurality of high-voltage introduction devices and a plurality of cathode rapping devices, the electric fields are arranged in the shell and comprise a plurality of cathode frames provided with cathode wires and a plurality of anode frames provided with anode plates, and the cathode frames are arranged in the shell. The cathode frames and the anode frames are alternately arranged, each cathode frame is independently arranged, the shell is provided with a high-pressure lead-in device and a cathode rapping device, each cathode frame is independently powered by one high-pressure lead-in device, and the cathode rapping device is used for rapping the corresponding cathode frame. The cathode wire has the advantages of low cost, wide adaptability to transformation of existing equipment, reliable operation, low energy consumption, good equipment