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Induction heating furnace provided with half-split panel induction coils

An induction heating furnace and induction coil technology, applied in induction heating, coil devices, lighting and heating equipment, etc., can solve problems such as over-burning at the end, non-operability, over-burning of temperature, etc., and achieve stable heating and improved The effect of product adaptability and high heating efficiency

Active Publication Date: 2016-06-22
BAOSHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When using a transverse magnetic field to heat a single steel plate, although the coil spacing can also be adjusted according to the thickness of the steel plate and the sudden production situation, there is a problem that the current gathers at the front end of the steel plate at the beginning of heating and causes the temperature to overheat there.
If the method of splicing the steel plate at the front end of the steel plate or heating from the middle of the steel plate is adopted, although the problem of overburning at the end can be solved, these methods are not operable at all in the actual mass production process

Method used

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  • Induction heating furnace provided with half-split panel induction coils
  • Induction heating furnace provided with half-split panel induction coils
  • Induction heating furnace provided with half-split panel induction coils

Examples

Experimental program
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Embodiment 1

[0041] The induction heating furnace with split flat plate induction coils of the present invention is mainly aimed at performing induction heating heat treatment on steel plates after they are rolled, so as to improve the structure and mechanical properties. Heating, made of pipeline steel. It is required to heat the steel plate from room temperature to 700 degrees. After the heating is completed, the temperature distribution of the steel plate on the section at the exit of the induction coil is controlled within + / -10 degrees, and the temperature during the heating process does not exceed 710 degrees.

[0042] In order to achieve the above object, the present invention provides a kind of induction heating furnace with split plate induction coil, such as figure 2 As shown, the upper and lower two sets of plate induction coils 2, 6 cover the range of the heated steel plate 1, and the copper pipe 3 is located on a horizontal plane. The two groups of plate induction coils 2 an...

Embodiment 2

[0047] In this embodiment, it is required to heat multiple steel plates with specifications of 2200mm*20mm*25000mm, and the material is mold steel. It is required to heat the steel plate from 200 degrees to 600 degrees. After the heating is completed, the temperature distribution of the steel plate on the section at the exit of the induction coil is controlled within + / -10 degrees, and the temperature during the heating process does not exceed 610 degrees.

[0048] In order to achieve the above object, the present invention provides a kind of induction heating furnace with split flat plate induction coil, the copper tube surface distance of its upper and lower plate induction coils 2, 6: L=80mm; The distance between the front copper tube and the rear copper tube: d=200mm. Since the heat transfer in the thickness direction of the steel plate takes a certain amount of time, when the surface temperature reaches the target temperature, the center temperature does not reach the tar...

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Abstract

The invention relates to an online induction heating technology for steel plates. An induction heating furnace with split flat induction coils, comprising an upper set of flat induction coils (2) and a lower set of flat induction coils (6), the lower set of flat induction coils is fixedly installed on the induction furnace support, and the upper set of flat induction coils The coil is installed on the frame that can move up and down. The upper group of flat induction coils and the lower group of flat induction coils form a pair of flat induction coils. The heated plate (1) passes between the upper and lower two groups of flat induction coils; the flat induction coil includes copper tubes (3) and yoke (4), the yoke is E-shaped, and the two working sections of the multi-turn copper tube coil are respectively placed in two inner grooves of the E-shaped yoke and placed in parallel, and placed in front of the E-shaped groove of the yoke The copper tube inside is the front copper tube, and the copper tube placed at the back of the E-shaped groove of the yoke is the rear copper tube. The current direction flowing through the front copper tube and the rear copper tube is opposite. When encountering a severely warped steel plate during production, the upper set of plate induction coils can be lifted quickly.

Description

technical field [0001] The invention relates to an on-line induction heating technology for steel plates, in particular to an induction heating furnace with a split plate induction coil, which is suitable for the thermomechanical control process technology of medium-thick steel plates. Background technique [0002] With the advancement of science and technology, the scope of material application continues to expand, and people's requirements for material performance are becoming more and more stringent. Thermomechanical control process (TMCP) has an important impact on the performance of materials, and can realize the production of steel plates with special properties, such as those with excellent welding performance. High-strength steel, steel for high-rise buildings, and steel for large ships can greatly improve the quality of thick plates, and have a particularly significant impact on the performance of thick plates. An important feature of the new generation of TMCP tech...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B9/06H05B6/36
Inventor 吴存有周月明金小礼焦四海张春伟朱健桦
Owner BAOSHAN IRON & STEEL CO LTD
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