Method and device for moving molten metal

A technology of molten metal and electromagnetic poles, which is applied in the direction of circulating melting devices, stirring devices, electromechanical devices, etc., and can solve problems such as the depth of molten metal becoming shallower

Inactive Publication Date: 2018-05-29
叶夫盖尼·帕夫洛夫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Applicants have pointed out the problem of stirring small amounts of molten metal with existing methods, which problem manifests itself particularly in the shallow depth of the molten metal

Method used

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  • Method and device for moving molten metal
  • Method and device for moving molten metal
  • Method and device for moving molten metal

Examples

Experimental program
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Embodiment Construction

[0098] Currently, different magnetohydrodynamic (MHD) mixers are widely used in the aluminum industry in alloy preparation to improve temperature homogenization and melting rate. In fact MDH mixers have become a standard in efficient foundry equipment. Traditionally, an MHD mixer for metals in a furnace is a linear induction motor with two-phase or three-phase coils, and can be made according to different structural designs. Figures 1a to 1c An example of a typical coil configuration is shown in . Figure 1a The structure in has overlapping coils; Figure 1b The structure in has coils around the neck wrapping the steel core; and Figure 1c The structure in has a coil wrapped around a salient pole tooth.

[0099] Due to these shapes of the coils, the inductor can have a different number of phases and teeth depending on a two-pole, three-pole or multi-pole design. The inductor can be a salient pole or a non-salient pole asynchronous motor. However, a consistent feature is ...

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Abstract

Methods and apparatus for moving a molten metal are provided in which the electromagnetic inductor includes at least two pairs of electromagnetic pole pairs and in which a first magnetic field component is generated between one pole in a first electromagnetic pole pair and a second pole in a different electromagnetic pole pair, and in which a second magnetic field component is generated between the two poles in one or more electromagnetic pole pairs, the second magnetic field component thereby generating one or more eddy currents in the molten metal. Those eddy currents are generally parallel to the surface of the molten metal and so have greater magnitude and extent that eddy currents perpendicular to the surface. Such eddy currents provide useful additional movement to the molten metal, for instance for stirring purposes, particularly when the depth of molten metal is small.

Description

[0001] Related Improvements to Apparatus and Methods technical field [0002] The present invention relates to improvements related to apparatus for stirring molten metal and / or methods of stirring molten metal. Background technique [0003] Magnetohydrodynamic methods of stirring molten metal are known. The applicant has pointed out a problem with existing methods of stirring small amounts of molten metal, which problem manifests itself particularly in the shallow depth of the molten metal. Contents of the invention [0004] A possible object of the present invention is to provide an improved agitation of a limited amount, especially a limited depth, of molten metal. One of the possible objects of the invention is to provide an alternative method for stirring molten metal. One of the possible objects of the invention is to provide an improved device and / or an improved method for stirring molten metal. [0005] According to a first aspect of the present invention there...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/115B22D11/12B22D27/02H01F7/20H02K44/08H05B6/34F27D27/00
CPCB22D11/115B22D11/122B22D27/02F27D3/14F27D27/00F27D2003/0039F27D2003/0054H01F7/206H02K44/06H05B6/34H05B6/367
Inventor 叶夫盖尼·帕夫洛夫德米特利·尼卡拉叶维奇·伊万诺夫帕崴乐·奥列高维奇·噶萨诺夫安德烈夫·伊万诺维奇·古拉耶夫
Owner 叶夫盖尼·帕夫洛夫
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