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Device for preparing lithium hydroxide micro-nano powder

A lithium hydroxide, micro-nano powder technology, applied in lithium oxide; / hydroxide, nanotechnology, nanotechnology and other directions, can solve the problem of difficulty in refining the average powder particle size, low production cost, moisture absorption and carbonization, etc. problem, to achieve the effect of low production cost, good corrosion resistance and high efficiency

Pending Publication Date: 2019-03-22
湖南众德新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a device for preparing lithium hydroxide micro-nano powder, which can effectively solve the problem of the average powder in the existing lithium hydroxide preparation process. The particle size is difficult to refine, and the problems of moisture absorption and carbonization are prone to occur during the preparation process. Not only the process is simple, but also the efficiency is high, the production cost is low, green and pollution-free, and can be used in the preparation of lithium hydroxide micro-nano powder on a large scale

Method used

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  • Device for preparing lithium hydroxide micro-nano powder

Examples

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Comparison scheme
Effect test

Embodiment 1

[0031] A device for preparing lithium hydroxide micro-nano powder is characterized in that it comprises a reaction system (1), a concentration control system (2), a spray drying system (3) and a gas circulation system (4).

[0032] Wherein said reaction system (1) comprises feed inlet A (11), feed inlet B (12), motor (13), agitator (14), reaction vessel (15); said feed inlet A (11 ) and the feed port B (12) are respectively symmetrically arranged on the left and right sides of the top of the reaction vessel (15) and communicate with the reaction vessel (15), the motor (13) is placed above the reaction vessel (15), and the The rotating shaft of the motor (13) is threadedly connected with the stirring rod of the stirrer (14), and the stirring rod of the stirrer (14) penetrates the top wall of the reaction vessel (15) and goes deep into the inside of the reaction vessel (15).

[0033] Described concentration control system (2) comprises settling tank (21), calcium carbonate stora...

Embodiment 2

[0044] A device for preparing lithium hydroxide micro-nano powder is characterized in that it comprises a reaction system (1), a concentration control system (2), a spray drying system (3) and a gas circulation system (4).

[0045] Wherein said reaction system (1) comprises feed inlet A (11), feed inlet B (12), motor (13), agitator (14), reaction vessel (15); said feed inlet A (11 ) and the feed port B (12) are respectively symmetrically arranged on the left and right sides of the top of the reaction vessel (15) and communicate with the reaction vessel (15), the motor (13) is placed above the reaction vessel (15), and the The rotating shaft of the motor (13) is threadedly connected with the stirring rod of the stirrer (14), and the stirring rod of the stirrer (14) penetrates the top wall of the reaction vessel (15) and goes deep into the inside of the reaction vessel (15).

[0046] Described concentration control system (2) comprises settling tank (21), calcium carbonate stora...

Embodiment 3

[0057] A device for preparing lithium hydroxide micro-nano powder is characterized in that it comprises a reaction system (1), a concentration control system (2), a spray drying system (3) and a gas circulation system (4).

[0058] Wherein said reaction system (1) comprises feed inlet A (11), feed inlet B (12), motor (13), agitator (14), reaction vessel (15); said feed inlet A (11 ) and the feed port B (12) are respectively symmetrically arranged on the left and right sides of the top of the reaction vessel (15) and communicate with the reaction vessel (15), the motor (13) is placed above the reaction vessel (15), and the The rotating shaft of the motor (13) is threadedly connected with the stirring rod of the stirrer (14), and the stirring rod of the stirrer (14) penetrates the top wall of the reaction vessel (15) and goes deep into the inside of the reaction vessel (15).

[0059] Described concentration control system (2) comprises settling tank (21), calcium carbonate stora...

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Abstract

The invention provides a device for preparing lithium hydroxide micro-nano powder. The device is characterized by comprising a reaction system, a concentration regulation and control system, a spraying and drying system and a gas circulating system, wherein the reaction system comprises a feeding opening A, a feeding opening B, a motor, a stirrer and a reaction container; the concentration regulation and control system comprises a settling tank, a calcium carbonate storage tank, a filter and an evaporation concentrator; the spraying and drying system comprises an atomizer, an induction coil, an atomization drying cavity and a lithium hydroxide powder collection chamber; the gas circulating system comprises a gas filter and a nitrogen gas generator. By adopting the device for preparing thelithium hydroxide micro-nano powder provided by the invention, the problems that the average powder granularity is difficultly thinned in an existing lithium hydroxide preparation process and moistureabsorption and carbonization are easy to occur in a preparation process are effectively solved; the device has the advantages of simple technology, high efficiency, low production cost, greenness andno pollution and can be used for preparing the lithium hydroxide micro-nano powder in a large scale.

Description

technical field [0001] The invention belongs to the technical field of material preparation and chemical engineering, and relates to a micro-nano powder preparation device, in particular to a device for preparing lithium hydroxide micro-nano powder. Background technique [0002] Lithium hydroxide is a white monoclinic fine crystal with strong alkalinity. It has a wide range of uses, and can be used to make lithium salts and lithium-based greases, electrolytes for alkaline storage batteries, lithium bromide refrigerator absorbers, lithium soap (lithium soap), lithium salts, developer solutions, etc., or as analytical reagents; With the progress of society and the development of science and technology, its application scope has been further expanded, and it has involved many fields such as petroleum, chemical industry, light industry, nuclear industry, metallurgy, petroleum, glass, ceramics, etc. [0003] Micro-nano powder is a powder with hierarchical structure assembled fro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01D15/02B82Y30/00C08F259/08C08K7/14
CPCB82Y30/00C01D15/02C08F259/08C08K7/14C01P2006/80
Inventor 黄湛明鲍瑞
Owner 湖南众德新材料科技有限公司
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