Energy-saving emission-reducing pipe heating device

The invention discloses an energy-saving emission-reducing pipe heating device, comprises a power unit and a heating unit, the power plant comprising a first electromagnet, a second electromagnet anda first permanent magnet, the first permanent magnet is located between the first electromagnet and the second electromagnet, the middle inner side of the first permanent magnet is provided with a cavity structure, a rack is arranged on the inner wall of the cavity structure, the heating device comprises a metal pipe and a rotating disk, the rotating disk is located on the outer layer of the metalpipe, A second permanent magnet is uniformly arranged on the outer surface of the rotating disk, A metal tube is arrange on that outside of the second permanent magnet, and one end of the rotating disk is connected with a gear through a fixed rod, and the gear is meshed and connected with a rack. The invention has reasonable design and simple structure, is a replacement product which replaces thetraditional electric heat,