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A hybrid magnetic circuit superconducting induction heating device

A technology of induction heating device and hybrid magnetic circuit, applied in induction heating, coil device and other directions, can solve the problem of low utilization rate of superconducting magnet, and achieve the effect of shortening the time required for heating, improving heating power and increasing heating efficiency

Active Publication Date: 2022-02-01
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Summary
  • 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.

Method used

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  • A hybrid magnetic circuit superconducting induction heating device
  • A hybrid magnetic circuit superconducting induction heating device
  • A hybrid magnetic circuit superconducting induction heating device

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Embodiment Construction

[0036] 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.

[0037] 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 embod...

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Abstract

The present application discloses a hybrid magnetic circuit superconducting induction heating device, which includes: a magnetic core, a superconducting coil arranged around the magnetic core, and a plurality of parallel iron yokes distributed around the circumferential direction of the magnetic core. The upper end is provided with an upper magnetic plate, and the lower end of the magnetic core is provided with a lower magnetic plate; the superconducting coil is connected to an external power supply through a current lead so that the superconducting coil can carry a current, thereby generating a magnetic field; the upper end surface of each iron yoke / There is a first air gap for placing the workpiece to be heated between the lower end surface and the side wall of the upper magnetic permeable plate / lower magnetic permeable plate; after the workpiece to be heated is placed in the first air gap, the permeable core converts the superconducting coil to The magnetic field is conducted to multiple parallel iron yokes to form multiple series-parallel hybrid magnetic circuits. 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 hybrid magnetic circuit superconducting induction heating device. 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, casting, etc. [0003] I...

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宋乃浩靖立伟张京业林良真
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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