The mature method for producing lithium iron phosphate domestically and internationally is through the solid-state method. This involves mixing "2C03, FeC2042H2O, and NH4H2PO4, or (NH4)2HPO4" in a stoichiometric ratio, and then decomposing the mixture at around 300°C under an inert atmosphere. Afterward, the temperature is raised to 600-800°C, and the mixture is held at this temperature for more than 12 hours to obtain olivine crystal-type LiFePO4. This method is simple, convenient, and easy to operate.
Lithium iron phosphate kiln circulation lines are equipped with superior safety measures and monitoring technologies, ensuring the safety and stability of the production process. These lines offer advantages such as stability, energy-saving, automation, and safety, and are one of the main production processes for the positive electrode materials of lithium iron phosphate batteries.

The process flow of the lithium iron phosphate kiln circulation line includes material ratioing, blending, preheating, kiln reaction, cooling, and crushing, with the kiln reaction being the core of the entire production process. Inside the kiln, raw materials are subjected to high-temperature treatment and chemical reactions, gradually transforming into intermediate products of lithium iron phosphate. After cooling, these products are returned to the kiln for cyclic treatment until the desired lithium iron phosphate product is obtained.

Lithium Iron Phosphate Furnace Circulation Line is a production line designed for manufacturing cathode materials for lithium iron phosphate batteries. The production line is mainly composed of processes such as raw material blending, mixing, preheating, furnace reaction, cooling, and crushing.

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