Method and device for recycling waste circuit boards through ion liquid

The invention discloses a method and a device for recycling waste circuit boards through ion liquid, and belongs to the technical field of solid waste resource development and utilization. The methodcomprises the steps of prilling the waste circuit boards, then mixing the waste circuit board particles and the magnetic ion liquid, heating the mixture, meanwhile, applying voltage on the mixture through an inert electrode or/and applying a magnetic field on the mixture through a magnetic induction loop, carrying out catalytic pyrolysis on the mixture at 200 to 500 DEG C, collecting a gas-phase product, and condensation recycling; and separating solid-phase and liquid-phase products, recycling a liquid phase, and magnetically separating a solid phase. According to the method and the device for recycling the waste circuit boards through the ion liquid provided by the invention, the ion liquid with a high catalytic performance is utilized, electricity or/and magnetism is/are additionally added for producing an elec