Transverse and longitudinal magnetic alternating induction heating system and heating method

An induction heating, horizontal and vertical technology, which is applied in the field of steel rolling, can solve the problems of uniform heating and heating efficiency, and achieve the effects of broad market application prospects, uniform temperature, and increased yield

Pending Publication Date: 2020-06-12
HUNAN ZHONGKE ELECTRIC
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The problem to be solved by the present invention is to provide a horizontal and vertical magnetic alternating induction heating system and heating method for the problem that the heating uniformity and heating efficiency cannot be balanced in the existing slab induction heating

Method used

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  • Transverse and longitudinal magnetic alternating induction heating system and heating method
  • Transverse and longitudinal magnetic alternating induction heating system and heating method
  • Transverse and longitudinal magnetic alternating induction heating system and heating method

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Embodiment Construction

[0061] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings of the present application. Apparently, the described embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0062] Such as Figure 1-3 As shown, the present embodiment adopts the following technical scheme: a horizontal and vertical magnetic alternating induction heating system, which includes: a position sensor 4, a temperature measuring device (the first temperature measuring device 31, the second temperature measuring device 32, the third temperature measuring device temperature device 33), induction heating device (first induction heating unit 50A, second induction h...

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Abstract

The invention provides a transverse and longitudinal magnetic alternating induction heating system and heating method. A channel for a plate blank to pass through is defined as a plate blank channel,and the induction heating system comprises a first induction heating unit and a second induction heating unit which are alternately arranged in the running direction of the plate blank at intervals. The first induction heating unit comprises K1 first inductors used for generating a transverse magnetic field with the magnetic field direction perpendicular to the surface of the plate blank, and therefore the plate blank located on the plate blank channel is heated. The second induction heating unit comprises K2 second inductors used for generating a longitudinal magnetic field with the magneticfield direction parallel to the surface of the plate blank, and therefore the plate blank located on the plate blank channel is heated. By the adoption of the heating system with the transverse magnets and the longitudinal magnets arranged alternately, the temperature deviation between the corners and the surface of the plate blank can be effectively reduced.

Description

technical field [0001] The invention belongs to the technical field of iron and steel rolling, in particular to an induction heating system and a heating method with alternating horizontal and vertical magnetic fields. Background technique [0002] In the continuous casting and rolling heat treatment process, induction heating technology has become the preferred technology for the plate heat treatment process. Widely used in: the entrance temperature control before finish rolling or preliminary rolling, providing a temperature basis for rolling of different specifications; used for local heating of the corners of the slab, supplementing the heat loss caused by the more serious edge heat loss due to the larger width and thickness of the slab The temperature is too low to reduce corner crack defects. [0003] The principle of induction heating is to use the skin effect of alternating current to generate eddy currents on the surface of the slab. From the heating principle, it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B6/06H05B6/10B21B1/46B21B45/00C21D1/42
CPCB21B1/46B21B45/00C21D1/42H05B6/06H05B6/10Y02P10/25
Inventor 肖红姚海英姜滔彭鹏蒋晓奇易兵陈浪付昊东兰芳肖晓丹胡璐
Owner HUNAN ZHONGKE ELECTRIC
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