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Heating device and corresponding apparatus and method

A technology for heating equipment and equipment, applied in the field of heating devices and thin slabs, can solve problems such as reduced productivity, increased energy consumption, and reduced output

Pending Publication Date: 2020-09-22
DANIELI & C OFF MEC SPA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this leads to an increase in energy consumption and requires increased cooling of the coils to prevent them from overheating
[0018] Alternatively, where it is not possible to increase the current, the feed rate of the slab needs to be reduced in order to obtain the required heating, with consequent reduction in productivity
[0019] In addition, known solutions can present problems with maintaining and / or replacing sensors, high storage and material costs, plant downtime costs, reduced yields, and disposal issues
But, in this case too, the helix is ​​not closed by the concentrators corresponding to the edges of the strip
The concentrator surrounds the conductor in a partial manner, does not fill the helix and does not transmit power in a reliable manner

Method used

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  • Heating device and corresponding apparatus and method
  • Heating device and corresponding apparatus and method
  • Heating device and corresponding apparatus and method

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Embodiment Construction

[0064] The embodiments described herein with reference to the drawings relate to a heating device 20 for heating a slab 21 by electromagnetic induction.

[0065] To simplify the description we will refer to slab 21 , a term that includes slabs, strips, plates or other flat metal products having edges 22 and / or corners 23 therein.

[0066] According to the invention, the heating device 20 comprises an electric coil 24 defined around a winding axis Z with at least two longitudinal tracks 25 and at least two transverse connecting tracks 26, the longitudinal tracks 25 being perpendicular to the winding axis Z (see Figure 6 ) extending in the longitudinal direction X, the transverse connection road 26 is connected to the longitudinal road 25. In use, the connecting tracks 26 of the electric coils 24 are arranged outside the respective edges 22 of the slab 21 to be heated.

[0067] In the description here and hereafter, it is intended that the slab 21 advances in a feed direction ...

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PUM

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Abstract

Heating device (20) to heat a slab (21), and in particular its edges (22), by electromagnetic induction, comprising an electric coil (24) and a magnetic concentrator (27) associated with the electriccoil (24). The present invention also concerns a heating apparatus (38) and a heating method.

Description

technical field [0001] The present invention relates to a heating plant for metal products such as slabs, which is used in the field of iron and steel manufacturing, generally but not exclusively in foundries, advantageously for the continuous casting of slabs, advantageously for thin slab. Here and hereinafter, the term "slab" refers to a slab, strip, plate or other flat metal product having edges and / or corners. [0002] More specifically, the invention may be used where it is necessary to heat the slab to a desired temperature. The heating device is configured to heat the slab by electromagnetic induction. [0003] The invention also relates to a heating device suitable for heating the slabs to bring the temperature of their edges and / or corners to a desired value. [0004] The invention also relates to a heating method that enables optimization of the energy used. Background technique [0005] In the production of slabs, it is known that the slabs need to be heated i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D9/60C21D1/42F27D11/06H05B6/02
CPCC21D9/60C21D1/42F27D11/06H05B6/103H05B6/104H05B6/365H05B6/40H05B6/367
Inventor 法比奥·瓜斯蒂尼安德烈埃·科杜蒂马尔科·彼得罗尼奥尼古拉·加利亚尔迪
Owner DANIELI & C OFF MEC SPA