System and production process for producing cobaltosic oxide through spray roasting method

A technology of cobalt tetroxide and spray roasting method, applied in cobalt oxide/cobalt hydroxide, chemical industry, preparation with chloride, etc., can solve problems such as environmental pollution, and achieve the effect of environmental protection, low temperature and good preparation effect

Pending Publication Date: 2019-12-03
CHENGDU YIZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] During the preparation process of cobalt tetroxide, a large amount of waste gas, dust and waste water will be

Method used

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  • System and production process for producing cobaltosic oxide through spray roasting method
  • System and production process for producing cobaltosic oxide through spray roasting method
  • System and production process for producing cobaltosic oxide through spray roasting method

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Example Embodiment

[0036] Example 1

[0037] Such as figure 1 , 2 As shown, a system for producing cobalt tetroxide by spray roasting method disclosed in the present invention includes a raw material tank 1 for storing cobalt chloride solution, and a pre-concentrator 2 connected with the raw material tank 1 for concentrating the cobalt chloride solution. , Connected with the pre-concentrator 2 for adding acidic solution to the pre-concentrator 2 acid storage tank 3, connected with the pre-concentrator 2 for spray roasting the concentrated cobalt chloride solution roaster 4, one end with roasting The furnace 4 is connected with the pre-concentrator 2 at the other end, a cyclone dust collector 5 for removing dust in the roaster gas, a collecting device 6 connected with the roasting furnace 4 for collecting cobalt tetroxide powder, and a pre-concentrator 2 connected waste gas recovery processing device 7.

[0038] When in use, the cobalt chloride solution is filtered from the raw material tank through ...

Example Embodiment

[0044] Example 2

[0045] Such as image 3 As shown, a production process for producing cobalt tetroxide by spray roasting method disclosed in the present invention includes the above-mentioned system for producing cobalt tetraoxide by spray roasting method, and is carried out according to the following steps:

[0046] (S1) The cobalt chloride solution in the raw material tank is filtered through a filter to remove impurities and then input into the pre-concentrator, the cobalt chloride solution is concentrated by 20-35%, and the filtered gas is passed into the roaster Combustion air is used for roaster gas heating.

[0047] (S2) The cobalt chloride solution concentrated by the pre-concentrator is sprayed into the roasting furnace under pressure by the feed pump of the roasting furnace for spray roasting, and the cobalt chloride is decomposed into cobalt tetroxide, HCl gas, and water vapor, where the spray Adopt high pressure and use filtered compressed air for atomization, and the...

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Abstract

The invention discloses a system and production process for producing cobaltosic oxide through a spray roasting method. The problems that the cobaltosic oxide production and preparation efficiency islow, and waste gas, dust and waste liquid generated during preparation cannot be effective treated are mainly solved. The system comprises a raw material tank for storing a cobalt chloride solution and further comprises a preconcentrator communicating with the raw material tank, an acid storing tank communicating with the preconcentrator, a roasting furnace communicating with the preconcentrator,a cyclone dust collector, a collecting device communicating with the roasting furnace, and a waste gas recovery treatment device communicating with the preconcentrator, wherein one end of the cyclonedust collector communicates with the roasting furnace, and the other end of the cyclone dust collector communicates with the preconcentrator. The production system is suitable for preparing the cobaltosic oxide through the spray roasting method, the product degree and the production efficiency are high, in the production technological process, the temperature is low, energy consumption is less, energy is saved, meanwhile, the waste gas and the dust in the production process are recovered though a waste gas recovery treatment device, thus polluted gas in the preparation process reaches the emission standard, and the energy is saved.

Description

technical field [0001] The present invention relates to the production and preparation technical field of tricobalt tetroxide, specifically, relate to a kind of system that adopts spray roasting method to produce tricobalt tetroxide and its production technology. Background technique [0002] Cobalt tetroxide (Co 3 o 4 ) is an important functional material, which is the main raw material for the preparation of lithium cobalt oxide, the positive electrode material of lithium-ion batteries, and is also widely used in supercapacitors, ceramics, catalysts and other fields. Tricobalt tetroxide is mainly prepared by spray roasting method by using its metal oxide. [0003] The spray roasting method is a promising material preparation method. Compared with the traditional preparation technology, it has many advantages: such as the controllable particle size of the product, high product purity, good particle dispersion, and high production efficiency. , and the process temperature...

Claims

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Application Information

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IPC IPC(8): C01G51/04C01B7/03C01B7/07B01D50/00B01D53/18
CPCC01G51/04C01B7/035C01B7/0706B01D53/18B01D53/1418B01D53/1456B01D50/40Y02P20/10
Inventor 苏宗华宋兵王红梅张博远黄燕张运宽吴志平龚跃万文龙力华田晓颖
Owner CHENGDU YIZHI TECH CO LTD
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