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Liquid metal purification device

A liquid metal and purification device technology, applied in the field of metallurgy, can solve the problems of insufficient capacity to accommodate filter residues, limit the filtration capacity of filter elements, and frequently replace filter elements, etc., to achieve the advantages of solid impurities settlement, simple heating scheme, and simple slag discharge operation Effect

Active Publication Date: 2016-03-23
天齐锂业(江苏)有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the gap between the filter housing and the filter element, the heat transfer is slow during heating, and the thermal efficiency is not high
In addition, due to structural limitations, the pipeline filter generally has a small filtration area
At the same time, due to the limited space between the filter element and the housing, the ability to accommodate the filter residue is insufficient, which limits the filtering capacity of the filter element. In actual use, the filter element needs to be replaced frequently, which is very inconvenient to use, especially when there are many solid particles in the metal or alloy liquid. And when the particle size is large, ordinary tubular filters are easily blocked, causing production stoppage

Method used

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Embodiment approach

[0035] Liquid metal purification is mainly to remove solid particle impurities in liquid metal. If there are many solid particles passing through the filter element 6, the filter holes will be blocked quickly, which will affect the filtering capacity and filtering efficiency of the filter element 6.

[0036] In order to ensure that the filter core 6 has good filtration capacity and filtration efficiency, as preferred, as figure 1 As shown, there is a space between the filter element 6 and the bottom of the still body.

[0037]When the filter element 6 is arranged in the kettle body 1 close to the bottom of the kettle body, a certain volume space is reserved between the bottom of the kettle body and the lower part of the filter element 6, and this space is also the sedimentation area of ​​solid particle impurities. The size of the volume space is determined by the distance between the filter element 6 and the bottom of the still body. This distance is determined according to ...

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PUM

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Abstract

The invention discloses a liquid metal purification device which comprises a kettle body, a kettle cover, a slag discharge opening, a heating device, a liquid metal discharge pipe, a filter element, a liquid metal inlet and a liquid metal outlet, wherein the kettle cover is arranged on the top end of the kettle body; the slag discharge opening is formed in the bottom of the kettle body; the heating device is arranged on the outer wall of the kettle body; the filter element is arranged in the kettle body; the liquid metal inlet is formed in the kettle body or the kettle cover; the liquid metal outlet is formed in the kettle body; one end of the filter element is sealed, the other end of the filter element is an outlet end, a connecting structure, which is matched with the liquid metal outlet, is arranged on the outlet end, and the filter element is arranged near the bottom of the kettle body; the liquid metal discharge pipe is connected with the filter element by virtue of the liquid metal outlet. According to the liquid metal purification device, an additional heating device is not needed to heat the filter element, and the advantages of a sedimentation method and a filtering method are integrated. Compared with a traditional filtering method, the liquid metal purification device has the advantages of better solid particle removing effect, higher efficiency, larger treatment capacity, lower energy consumption and more convenience in operation and maintenance.

Description

technical field [0001] The invention relates to the technical field of metallurgy, in particular to a liquid metal purification device. Background technique [0002] Many metals, such as metallic lithium or lithium-aluminum alloys used in the manufacture of battery materials, require metal ingots to be made into thin metal strips through extrusion molding or rolling molding processes before use. The thickness of metal thin strips currently produced in industry It can reach 20μm. During the production process of thin metal strips, solid particle impurities existing in metal ingots will seriously affect the production of thin metal strips, especially for thinner high-end metal thin strips. The impact of solid particle impurities on the production of thin metal strips is particularly serious. Therefore, it is necessary to purify the liquid metal during the smelting and casting production process of metal ingots to remove solid particle impurities in the liquid metal. [0003]...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D36/04
Inventor 左永建曹乃珍邓玉松赵本常涂明江罗玉萍李仕红
Owner 天齐锂业(江苏)有限公司
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