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A superconducting induction heating device for simultaneous heating of multiple workpieces

A technology of induction heating device and multiple workpieces, applied in induction heating, coil device and other directions, can solve the problem of low utilization rate of superconducting magnets, and achieve the effect of shortening the time required for heating, reducing heat loss and increasing heating power

Active Publication Date: 2022-02-01
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • A superconducting induction heating device for simultaneous heating of multiple workpieces
  • A superconducting induction heating device for simultaneous heating of multiple workpieces
  • A superconducting induction heating device for simultaneous heating of multiple workpieces

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Embodiment Construction

[0034] As mentioned in the background technology, the deficiencies of the prior art are mainly reflected in: the main magnet structure in the existing superconducting DC induction heating technology can only heat a limited one or two workpieces at the same time; the utilization rate of the superconducting magnet is low, and its The advantage of strong magnetic field is not fully reflected in the superconducting induction heating technology; when the superconducting induction heating main magnet is heating the workpiece, excessive radiation and heat leakage caused by convection occupy the time within the heating cycle.

[0035]In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodi...

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Abstract

The application discloses a superconducting induction heating device for simultaneous heating of multiple workpieces, comprising: a magnetically conductive core, a superconducting coil surrounding the magnetically conductive core, and an iron yoke. Wherein, the magnetic conducting core is a cylindrical iron core, and the upper end of the magnetic conducting core is provided with an upper magnetic conducting plate, and the lower end of the magnetic conducting core is provided with a lower magnetic conducting plate; current, and then generate a magnetic field; each iron yoke is connected to the upper magnetic plate and the lower magnetic plate, and each iron yoke is provided with an air gap, and the air gap is used to place the workpiece to be heated; when the workpiece to be heated is placed in the air gap Finally, the permeable core conducts the magnetic field generated by the superconducting coil to multiple iron yokes connected in parallel to form multiple magnetic circuits mixed in series and parallel. The device provided by the application can simultaneously heat multiple workpieces to be heated, and increase the heating efficiency of the workpieces to be heated, and the hybrid magnetic circuit enables the device to have a better adjustment function corresponding to the heating process and power.

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...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B6/36
CPCH05B6/36
Inventor 张东肖立业杨本康刘博黄璞杜晓纪林良真
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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