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Ceramic lined channel inductor

An inductor and grooved technology, applied in the field of grooved inductors, can solve problems such as metal leakage, and achieve the effect of optimizing the characteristics of thermal insulation materials and mechanical strength characteristics

Active Publication Date: 2012-12-19
BLUESCOPE STEEL LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Cracking of the refractory material during heating, drying or working, especially along the center plane of the trenched inductor, and subsequent penetration of zinc and / or aluminum metal or zinc vapor into said cracks to cause the cracks to propagate, eventually resulting in Metal Leaks from Trench Sensor

Method used

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  • Ceramic lined channel inductor
  • Ceramic lined channel inductor

Examples

Experimental program
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Embodiment Construction

[0045] figure 1 is a cross-sectional view of main parts of a cored induction furnace 3 for pre-melting Al / Zn alloys used in a metal coating line for steel strips. It is to be noted that the invention is not limited to this use, but may be used as part of any suitable cored induction furnace or for any suitable end application.

[0046] figure 1 The cored induction furnace 3 shown in includes a crucible defined by an outer steel shell 27 and a liner 29 made of a refractory material such as aluminosilicate. In use, the crucible contains a molten pool of Al / Zn alloy. The induction furnace 3 also includes two grooved inductors 31 respectively connected to opposite side walls of the steel casing 27 and each in fluid communication with the molten bath through a throat 33 . In use, molten Al / Zn alloy flows from the bath, flows over and is heated by the trench inductor 31 .

[0047] figure 2 The figure of the trench inductor in is a vertical section view to show the parts of the...

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PUM

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Abstract

A channel inductor of a channel induction furnace is disclosed. The channel inductor comprises a channel liner that defines a channel for a molten metal to flow through the channel inductor. The channel liner comprises an inlet and an outlet for the molten metal and a flange for mounting the channel liner to a refractory material lining of a pot of the channel inductor furnace. The channel liner being formed from a ceramic material that is resistant to chemical attack by the molten metal in the channel, whereby in use of the channel induction furnace direct contact between the molten metal and the channel inductor is limited to contact with the channel liner (including the flange) only and molten metal does not contact other parts of the channel inductor.

Description

technical field [0001] This invention relates to channel inductors for channel induction furnaces. [0002] In particular, the invention relates to channel liners for trenched inductors. [0003] The invention also relates to a cored induction furnace. Background technique [0004] Core induction furnaces are used industrially to melt metals (including metal alloys) and keep the metals in a molten state. For example, cored induction furnaces are used in industries such as electroplating and foundry to melt zinc-containing alloys and aluminum alloys (including Al / Zn-containing alloys) and keep these alloys in a molten state. [0005] Known cored induction furnaces include: (a) a steel shell; (b) a lining within the shell made of a refractory material such as aluminosilicate; (c) a shell lined with a refractory material a defined pot for containing the pool of molten metal; and (d) one or more grooved inductors for heating the metal, the grooved inductor being connected to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27B1/00F27D1/10
CPCF27D11/06F27D1/0003F27B14/061F27D1/0006F27D2099/0015
Inventor 达恩·肯尼思·汤普森内加·塞塔吉乌威廉·约瑟夫·格利森格里·卡多佐约翰·安东尼·斯平克克雷格·鲁尔斯顿
Owner BLUESCOPE STEEL LTD
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