Superconducting induction heating device capable of simultaneously heating multiple workpieces

Abstract

The invention discloses a superconducting induction heating device capable of simultaneously heating multiple workpieces. The superconducting induction heating device comprises a magnetic conductive iron core, a superconducting coil and iron yokes, wherein the superconducting coil surrounds the magnetic conductive iron core. The magnetic conductive iron core is a columnar iron core, an upper magnetic conductive plate is arranged at an upper end of the magnetic conductive iron core, and a lower magnetic conductive plate is arranged at a lower end of the magnetic conductive iron core; the superconducting coil is connected with an external power supply through a current lead so that the superconducting coil bears a current to generate a magnetic field; each uniform iron yoke is connected withthe upper magnetic conductive plate and the lower magnetic conductive plate, an air gap is arranged in each iron yoke, and the air gaps are used for placing workpieces to be heated; and after the workpieces to be heated are placed in the air gaps, the magnetic conductive iron core conducts the magnetic field generated by the superconducting coil to the multiple iron yokes connected in parallel soas to form multiple series-parallel connection mixed magnetic circuits. The device provided in the invention can heat the plurality of workpieces to be heated at the same time, heating efficiency ofthe workpieces to be heated is improved, and the device has a better adjusting function corresponding to a heating process and power through the mixed magnetic circuits.

Description

technical field [0001] The present application relates to the technical field of superconducting electrical equipment, in particular to a superconducting induction heating device for simultaneously heating multiple workpieces. Background technique [0002] Induction heating technology is widely used in industrial production such as forging penetration heating, surface quenching heating, medium and high frequency welding and induction melting. Applications in diathermy treatment include diameter expansion of steel pipes, billet hot forging, hot rolling of non-ferrous metals such as copper and aluminum; applications in industrial heat treatment include surface quenching, diathermy quenching, tempering and stress relief, annealing and normalizing, welding Seam annealing, powder metal sintering, etc.; welding applications include metal pipe welding, metal plate welding, etc.; induction heating applications in metal smelting include ferrous metals, non-ferrous metals smelting, ca...

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Problems solved by technology

[0009] In view of this, the embodiment of the present application provides a method for solving the problem that the superconducting induction heating technology can only heat a limited one or two workpieces at the same time, and the utilization rate of the superconducting magnet is low.

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