Self-cleaning dry dust collector special for tunnel

The utility model discloses a special self-cleaning dry dust remover for a tunnel. The special self-cleaning dry dust remover comprises a mounting frame, a primary dust removal box, a secondary dust removal box, an induced draft fan and a plc (programmable logic controller), wherein the primary dust removal box, the secondary dust removal box, the induced draft fan and the plc are erected on the mounting frame; a dust removal bag is arranged in the primary dust removal box and connected with a spring, primary high-frequency vibrators are installed at the two ends of the spring, the secondary dust removal box is connected with the primary dust removal box, cathode supports are oppositely installed in the secondary dust removal box, a cathode device is arranged between the cathode supports, and the two ends of the cathode device are fixedly connected with the cathode supports. A dust collection pipeline set is arranged on the outer side of the cathode device, and the two ends of the dust collection pipeline set