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Recycling and reusing device for preparing lithium hexafluorophosphate and mounting method of recycling and reusing device

A technology of lithium hexafluorophosphate and lithium fluoride, applied in lithium hexafluorophosphate, chemical instruments and methods, lithium compounds, etc., can solve the problems of easy damage to the structure of the mother liquid tank and easy to dump, so as to achieve less damage, avoid structural damage, and improve The effect of service life

Active Publication Date: 2021-11-05
ZHEJIANG SANMEI CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004]However, in the process of inputting the mother liquor into the mother liquor tank in the prior art, the mother liquor tank is subject to a relatively large impact, which is prone to dumping, and the structure of the mother liquor tank is easily damaged

Method used

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  • Recycling and reusing device for preparing lithium hexafluorophosphate and mounting method of recycling and reusing device
  • Recycling and reusing device for preparing lithium hexafluorophosphate and mounting method of recycling and reusing device
  • Recycling and reusing device for preparing lithium hexafluorophosphate and mounting method of recycling and reusing device

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Embodiment Construction

[0048] Such as Figure 1 to Figure 14 As shown, the recovery and reuse device for preparing lithium hexafluorophosphate in the present invention includes a mother liquor storage tank 1 and a lithium fluoride dissolving tank 2, the mother liquor storage tank 1 is connected to the crystallization tank 5, and the lithium fluoride dissolving tank 2 is stored through a pipeline 3 and the mother liquor The tank 1 is connected, and the lithium fluoride dissolution tank 2 is connected to the microchannel reactor 4. This scheme is a prior art, and the specific reference is the invention patent named a continuous production system for lithium hexafluorophosphate (application number: CN201911254953.X).

[0049] The mother liquor storage tank 1 comprises a first tank body 6, a second tank body 7 and a mounting bracket 9, the first tank body 6 is used for feeding, the second tank body 7 is used for storing the mother liquor after crystallization and filtration of lithium hexafluorophosphate...

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Abstract

The invention discloses a recycling and reusing device for preparing lithium hexafluorophosphate and a mounting method of the recycling and reusing device; a mother liquor storage tank comprises a first tank body, a second tank body and an mounting support, the first tank body comprises a bottom plate, an inclined plate, a surrounding plate and a top plate, the mounting support is provided with a supporting frame, and the supporting frame extends into a supporting space. The method comprises the steps: a, mounting the mounting support; b, adjusting the inclination angle of the supporting frame; c, welding the inclined plate and the bottom plate; d, supporting the inclined plate; e, mounting to obtain the first tank body; f, mounting a pressing plate; g, rotating by 180 degrees, and mounting a material conveying pipe; h, welding a positioning support; i, mounting to obtain the second tank body; j, resetting and integrally taking out the mother liquor storage tank; and k, connecting the mother liquor storage tank with a lithium fluoride dissolving tank. According to the invention, the impact force of mother liquor on the first tank body is transmitted to the mounting support through the supporting frame, and the first tank body buffers the entering mother liquor, so that the structures of the first tank body and the second tank body are not easy to damage.

Description

technical field [0001] The invention belongs to the technical field of lithium hexafluorophosphate preparation, and in particular relates to a recovery and reuse device for preparing lithium hexafluorophosphate and an installation method thereof. Background technique [0002] Lithium hexafluorophosphate is currently the most widely used electrolyte salt in commercial lithium-ion batteries. With the rapid development of the electronics industry and the continuous expansion of the new energy field in the future, the demand for high-performance batteries is increasing, and the market demand for lithium hexafluorophosphate will show a trend of rapid increase. [0003] The Chinese patent disclosed an invention patent named a continuous production system for lithium hexafluorophosphate (application number: CN201911254953.X) on 2019.12.10, in which the output material of the microchannel reactor enters the gas-liquid separator, and the gas-liquid separator separates out The liquid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01D15/00
CPCC01D15/005
Inventor 王晓东马鑫川何胜邵智伟林杨陈涛徐冰洪超徐毅
Owner ZHEJIANG SANMEI CHEM IND
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