Manufacturing device and manufacturing method of special-grade battery-grade lithium hydroxide
A technology for lithium hydroxide and manufacturing equipment, which is applied in the directions of drying gas arrangement, furnace, lighting and heating equipment, etc., can solve the problems of incomplete drying, wet lithium hydroxide, slow drying of lithium hydroxide, etc., so as to improve the drying efficiency. Effect
Active Publication Date: 2022-06-24
JIANGXI DONGPENG NEW MATERIALS
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Problems solved by technology
[0003] Since lithium hydroxide can absorb carbon dioxide and moisture in the air, the lithium hydroxide after production will be in a wet state. Lithium hydroxide needs to be dried before use and storage. When drying, usually piles of lithium hydroxide are placed on the conveyor belt, and then the lithium hydroxide is dried during the movement of the conveyor belt. The surface layer of the piled lithium hydroxide dries faster, but the hydroxide in the middle and bottom layer Lithium dries slowly, and there is a risk of incomplete drying, which will lead to subsequent drying of lithium hydroxide, which will greatly reduce the efficiency of lithium hydroxide drying
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[0032] see Figure 1-9 , the present invention provides a technical solution: a manufacturing device for extra-grade battery-grade lithium hydroxide, including a support frame 1 and a belt conveyor 2, the support frame 1 is U-shaped, and the belt conveyor 2 is arranged on a support Inside the frame 1, a hot air box 3 is arranged above the belt conveyor 2, and the hot air box 3 is fixedly connected with the inner wall of the support frame 1; The top surface of the bottom surface of the belt conveyor 2 is bonded; the left and right side walls of the hot air box 3 are provided with a feed inlet 4, and the right side wall of the hot air box 3 is provided with a first discharge port 5, The first discharge port 5 is located above the first discharge port 5 on the right side; the right side of the first discharge port 5 is provided with a material distribution box 6, and the material distribution box 6 is fixed with the hot air box 3 connection, the inner wall of the distribution bo...
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The invention discloses a manufacturing device and a manufacturing method of special-grade battery grade lithium hydroxide in the technical field of lithium hydroxide production.The manufacturing device comprises a supporting frame and a belt conveying device, the supporting frame is in a U shape, the belt conveying device is arranged on the inner side of the supporting frame, a hot air box is arranged above the belt conveying device, and the hot air box is connected with the belt conveying device. The hot air box is fixedly connected with the inner wall of the supporting frame. The hot air box is in a hollow rectangular barrel shape with an opening in the bottom, and the bottom face of the hot air box is attached to the top face of the belt conveying device. Feeding ports are formed in the left side wall and the right side wall of the hot air box, a first discharging port is formed in the right side wall of the hot air box, and the first discharging port is located above the first discharging port in the right side; a material distribution box is arranged on the right side of the first discharging opening and fixedly connected with the hot air box; according to the lithium hydroxide drying device, lithium hydroxide can be dried more thoroughly.
Description
technical field [0001] The invention relates to the technical field of lithium hydroxide production, in particular to a manufacturing device and a manufacturing method of super-grade battery-grade lithium hydroxide. Background technique [0002] Lithium hydroxide has a molecular weight of 24 and a solubility of 12.8% at 20 degrees. It can absorb carbon dioxide and water in the air. It is slightly soluble in ethanol and insoluble in ether. Lithium hydroxide monohydrate is a highly corrosive white crystalline powder. The traditional application fields are mainly lithium-based grease, glass ceramics and petrochemical industry. However, with the rising demand for high nickel in the world, battery materials have become the mainstay of the global lithium hydroxide market. core driving force. The low melting point and other characteristics make the positive electrode material sintered by lithium hydroxide often have better electrochemical performance, and it is also an inevitable ...
Claims
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IPC IPC(8): F26B3/08F26B21/00F26B25/00F26B25/02
CPCF26B3/082F26B21/001F26B21/004F26B25/002F26B25/02Y02E60/10
Inventor 孙师根伍华东彭秋华陈凯
Owner JIANGXI DONGPENG NEW MATERIALS