Cobalt hydroxide rotary drying device

Abstract

The invention discloses a cobalt hydroxide rotary drying device which comprises a base, a support, a feeding device, a low-temperature drying device, a high-temperature roasting device and a cooling device. The feeding device, the low-temperature drying device, the high-temperature roasting device and the cooling device are sequentially fixed on the base, wherein the support is arranged at the lower end of the base and used for supporting, the low-temperature drying device comprises a first heat preservation layer and a first electric heating furnace tube arranged in the first heat preservation layer, and the high-temperature roasting device comprises a second heat preservation layer, a second electric heating furnace tube, a rotary cylinder body and a lifting board. The second electric heating furnace tube is arranged between the heat preservation layer and the rotary cylinder body, the lifting board is vertically arranged on the inner wall of the rotary cylinder body, the cooling device comprises a third heat preservation layer and a cooler arranged in the third heat preservation layer, and the cooling device is used for conducting cooling and discharging on dried cobalt hydroxide. The cobalt hydroxide rotary drying device has the advantages that the yield is large, energy consumption is low, the temperature is uniform and few metal foreign bodies are led in.

Description

technical field [0001] The invention relates to the technical field of chemical equipment, in particular to a cobalt hydroxide rotary drying device for rotary drying cobalt hydroxide. Background technique [0002] With the widespread use of mobile devices and digital products, the use of lithium batteries has also greatly increased. At present, the positive electrode material of lithium batteries on the market is spherical cobalt tetroxide, and spherical cobalt tetroxide is made of cobalt hydroxide. In the production process of cobalt hydroxide Medium-drying treatment is a key step, and the drying equipment used by most manufacturers of cobalt hydroxide on the market is mainly a disc drying device, a flash drying device, etc., but these types of devices have the following problems: [0003] 1. The production process consumes a lot of energy and takes a long time, and each ton of cobalt hydroxide needs to consume 2,000 to 3,000 degrees of electricity; [0004] 2. Defects in ...

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Problems solved by technology

[0003] 1. The production process consumes a lot of energy and takes a long time, and each ton of cobalt hydroxide needs to consume 2,000 to 3,000 degrees of electricity;

[0004] 2. Defects in the equipment lead to the mixing of metal impurities inside the equipment, resulting in the chemical composition of the cobalt hydroxide product failing to meet the target;

[0005] 3. The temperature distribution in the equipment furnace is uneven, and the overall heating and cooling process is slow, which affects the characteristics of cobalt hydroxide products

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