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Production system and production method of ternary precursor

A technology of production system and production method, applied in chemical instruments and methods, solid separation, inorganic chemistry, etc., can solve problems such as abnormal magnetic foreign matter, equipment wear, instability, etc., to reduce the content of magnetic foreign matter and reduce the coefficient of friction , Reduce the friction effect of metal parts

Inactive Publication Date: 2021-08-20
GUANGDONG JIANA ENERGY TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In order to reduce the introduction of magnetic foreign matter in the existing ternary precursor preparation process, stainless steel equipment is usually used to avoid or eliminate the use of copper and zinc parts, and each process is equipped with a pipeline iron remover for demagnetization. After drying and packaging, it passes through an electromagnetic remover Packaging, but the content of magnetic foreign matter in the ternary precursor produced is about 20ppb, and there is instability, and it is prone to abnormal magnetic foreign matter caused by equipment wear and tear, which affects product quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0085] This embodiment provides a production system for a ternary precursor, which includes a reaction kettle, an aging tank, a first permanent magnetic iron remover, a centrifuge, a second permanent magnetic iron remover, a hot air circulation oven, and a third permanent magnetic iron remover connected in sequence. Magnetic iron remover, double-cone spiral mixer, automatic slag and iron remover, double-layer ultrasonic vibrating screen and electromagnetic iron remover.

[0086] The body materials of the reaction kettle, centrifuge, hot air circulation oven and double-cone screw mixer are all stainless steel. The inner wall of the reactor was provided with a first polytetrafluoroethylene coating of 2.5 mm. The hot air circulation oven includes an oven body, a carrier (car frame) and a baking tray for placing on the frame. The oven body has a drying cavity, and the frame is detachable and set in the drying cavity. A second polytetrafluoroethylene coating with a thickness of 4m...

Embodiment 2

[0093] The difference between this embodiment and embodiment 1 is:

[0094] The thickness of the first PTFE coating is 2 mm, the thickness of the second PTFE coating is 3 mm, the thickness of the third PTFE coating is 2 mm, and the thickness of the Halar coating is 1 mm.

[0095] The upper screen is 80-mesh stainless steel screen, and the lower screen is 300-mesh stainless steel screen.

Embodiment 3

[0097] The difference between this embodiment and embodiment 1 is:

[0098] The thickness of the first PTFE coating is 3 mm, the thickness of the second PTFE coating is 5 mm, the thickness of the third PTFE coating is 3 mm, and the thickness of the Halar coating is 2 mm.

[0099] The upper screen is 120-mesh stainless steel screen, and the lower screen is 400-mesh stainless steel screen.

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Abstract

The invention discloses a production system and a production method of a ternary precursor, and belongs to the technical field of ternary precursors. The production system comprises reaction equipment, solid-liquid separation equipment, drying equipment and material mixing equipment which are connected in sequence, wherein a first wear-resistant coating is arranged on the inner wall of the reaction equipment; the drying equipment comprises a drying oven body, a carrier and a drying pan used for being contained on the carrier, the drying oven body is provided with a drying cavity, the carrier is detachably arranged in the drying cavity, and a second wear-resistant coating is arranged at the joint, used for being connected with the drying pan, of the carrier; a third wear-resistant coating is arranged on the inner wall of the mixing equipment; and the solid-liquid separation equipment is provided with a rotary drum, and a fourth wear-resistant coating is arranged on the inner wall of the rotary drum. Compared with existing equipment, the production system has the advantage that pollution caused by friction of metal parts is reduced by arranging the wear-resistant coating. By adopting the production system to produce the ternary precursor, the content of magnetic foreign matter in the ternary precursor product can be reduced.

Description

technical field [0001] The present invention relates to the technical field of ternary precursors, in particular to a production system and production method of ternary precursors. Background technique [0002] In order to reduce the introduction of magnetic foreign matter in the existing ternary precursor preparation process, stainless steel equipment is usually used to avoid or eliminate the use of copper and zinc parts, and each process is equipped with a pipeline iron remover for demagnetization. After drying and packaging, it passes through an electromagnetic iron remover It is packaged, but the content of magnetic foreign matter in the produced ternary precursor is about 20ppb, and there is instability, and it is prone to equipment wear and tear to cause abnormal magnetic foreign matter, which affects product quality. [0003] In view of this, the present invention is proposed. Contents of the invention [0004] One of the objectives of the present invention include...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G53/00B03C1/30F26B25/06F26B25/18
CPCC01G53/006F26B25/06F26B25/18B03C1/30C01P2004/61C01P2006/80
Inventor 郭翔唐攀冉建军
Owner GUANGDONG JIANA ENERGY TECH CO LTD
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