Device for extracting high pure aluminum

An extraction device and high-purity technology, applied in the field of foundry metallurgy, can solve the problems of high production cost, high energy consumption, and difficulty in producing high-purity aluminum, and achieve the effect of shortening the purification time and improving the utilization rate

Inactive Publication Date: 2008-06-04
LIDA OPTICAL & ELECTRONICS +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the electromagnetic induction furnace cover of this kind of horizontal furnace is spiral, and the thermal efficiency is low.
The liquid aluminum in the crucible is in a half-filled state, the stirring is insufficient and uneven, and the purification degree i

Method used

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  • Device for extracting high pure aluminum
  • Device for extracting high pure aluminum

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Embodiment Construction

[0008] As shown in the figure, the electromagnetic induction furnace cover 7 is in the shape of a blade cylinder, and there are 6 blades on the upper end of the blade 6 which are the terminals of the three-phase electricity, and the three-phase electricity is connected to the furnace cover 7 thereby. There is a refractory insulation layer 5 on the outer side of the furnace jacket 7, and the surface of the insulation layer 5 is wrapped with metal sheets. The upper and lower ends of the furnace jacket 7 are respectively equipped with annular asbestos pads 8 for insulation and heat insulation; Under the thin frustum-shaped structure. The shell 3 of the furnace 9 is made of high-strength stainless steel plate, so that the crucible 1 in the shell has no faults when it is filled with molten aluminum, and can complete the separation and crystallization of the molten aluminum and impurities when rotating at high speed. The upper flange of the furnace 9 The sealed inlet and outlet are ...

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Abstract

The invention discloses an extraction device for high purity aluminum. The structural characteristics of the invention are that: a vertical blade cylindrical furnace jacket, a vertical conical lining and a lifting mechanism of the lining are adopted; three-phase current which is supplied to the furnace jacket flows along the axial direction of the furnace jacket, and then the furnace jacket becomes a stator of a three-phase asynchronous motor and generates alternating rotating magnetic field; after aluminum raw materials in a lining crucible in the furnace jacket are melted down, aluminum liquor becomes a rotor; under the effect of alternating magnetic field force, the rotor can rotate and stir along an axial line of the lining at high speed, and impurities are separated and pushed to the bottom; the lining is slowly lifted out of the furnace jacket by using the lifting mechanism, and the high purity aluminum is extracted after gradual cooling of the lining. The invention has the advantages of reasonable structural design, energy saving, high efficiency and high purity of products.

Description

1. Technical field [0001] The invention belongs to the technical field of casting metallurgy, and in particular relates to a high-purity aluminum extraction device. 2. Background technology [0002] At present, in the smelting and purification of non-ferrous metals in our country, two methods of vacuum technology and electromagnetic induction heating and stirring, and electromagnetic induction zone and melting pot are relatively slow moving are generally used, namely the so-called directional solidification method and regional melting method. In the process technology, most of them adopt the structure of horizontal electromagnetic induction furnace. However, the electromagnetic induction furnace cover of this kind of horizontal furnace is spiral, and the thermal efficiency is low. The liquid aluminum in the crucible is in a half-filled state, the stirring is insufficient and uneven, and the purification degree is only 99.996%. , It is also difficult to produce more than 99...

Claims

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Application Information

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IPC IPC(8): C22B21/00B04B5/04
Inventor 佟福斌张福成衣庆波
Owner LIDA OPTICAL & ELECTRONICS
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