Battery grade lithium metal glove box with fully enclosed metal structure

A metal structure, fully enclosed technology, applied in the field of metal lithium glove box equipment, can solve the problems of difficult to find leakage, entry of outside natural air, long time, etc., to achieve the effect of safe sealing performance, small space, and simple equipment structure.

Active Publication Date: 2015-04-22
南通盛能新材料科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are three main problems in this glass-structured glove box: one is that the glass-structured glove box has poor sealing safety performance
After the equipment is vibrated for a long time, it is easy to leak, causing the outside natural air to enter the box, causing argon pollution. At the same time, this kind of leakage is not easy to find
Second, when repairing equipment in the glove box or replacing damaged gloves, the outside air will enter the glove box, and the argon gas purification device needs to run for a long time to purify the argon gas to a qualified level, which affects the normal production
[0003] Because the glass-structured glove box is prone to leakage and the high-purity argon in the box is polluted, the quality stability of battery-grade metal lithium produced by this equipment process is poor, especially the content of oxygen and nitrogen in metal lithium is unstable, so Affects the stability of the electrical performance and quality of primary lithium batteries

Method used

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  • Battery grade lithium metal glove box with fully enclosed metal structure

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specific Embodiment

[0038] 1) When the glove box is filled with argon and circulated, put on the long-arm gloves of the demoulding box, take out the mold containing the solidified lithium metal through the material channel 8 and place it on the lithium ingot demoulding frame 7, after the mold is automatically turned over , the lithium ingot is separated from the mold, and the demolded lithium ingot 4 is temporarily stored on the argon gas distribution plate 5 in the demoulding box 1 and continues to cool to normal temperature.

[0039] 2) Open the connecting pipe e valve between the demoulding box 1 and the packaging box 10, and open the vacuum gate valve 9 between the demoulding box 1 and the packaging box 10 after the pressure on both sides is balanced.

[0040] 3) Put on the long-arm gloves of the packaging box 10, and transfer the cooled lithium ingots 4 to the packaging box 10 through the vacuum gate valve 9, and store them in the turnover barrel 14 after being packaged by the packaging machi...

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Abstract

The invention relates to lithium metal glove box equipment, in particular to battery grade lithium metal glove box equipment with a fully enclosed metal structure. The battery grade lithium metal glove box equipment includes a demoulding box and an encapsulation box. A vacuum gate valve is arranged between the demoulding box and the encapsulation box, the demoulding box and the encapsulation box are connected with the vacuum gate valve through a flange sealing, so that a demoulding, a cooling and an encapsulation are guaranteed to be conducted in different equipment spaces, and operation is respectively conducted independently. The battery grade lithium metal glove box equipment adopts a fully enclosed metal structure design that the demoulding and the encapsulation are separated, and the system sealing property is safe and reliable.

Description

technical field [0001] The invention relates to a lithium metal glove box device, in particular to a battery-grade lithium metal glove box device with a fully enclosed metal structure. Background technique [0002] In the industrial practice of battery-grade lithium metal, the production of casting, cooling, demolding and packaging of lithium metal is usually completed in a glass glove box filled with argon. There are three main problems in this glass-structured glove box: the first is that the glass-structured glove box has poor sealing safety performance. After the equipment has been vibrating for a long time, it is easy to leak, causing the outside natural air to enter the box, causing argon pollution. At the same time, this kind of leakage is not easy to find. Second, when repairing equipment in the glove box or replacing damaged gloves, outside air will enter the glove box, and the argon gas purification device needs to run for a long time to purify the argon gas to a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D29/04B22D21/02
CPCB22D21/02B22D29/04
Inventor 许文李文生
Owner 南通盛能新材料科技有限公司
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