The preparation and characterization of lithium battery positive and negative materials involves a variety of powder equipment, the production process can not be separated from the crushing and grading equipment, the lithium battery positive and negative raw materials are crushed to sufficient fineness, and the different fineness of the micro-powder is divided, efficient use, high-quality production of lithium-ion batteries.

The recovered graphite powder has uniform particle size and high sorting degree. The energy consumption is low, and the finished product rate can reach more than 90-98%.

Pneumatic conveying equipment adopts pneumatic conveying mode to convey powdery materials, which is suitable for power plant fly ash conveying, cement raw material conveying, mineral powder conveying, gypsum powder conveying, kaolin conveying, alumina powder conveying and other conveying. The conveying pipelines are arranged according to specific terrain to realize centralized, decentralized, large height and long-distance conveying. The conveying process is not affected by climatic conditions, which can ensure that materials are not affected by moisture and is conducive to production and environmental protection.

The new lithium iron phosphate production line is a special production line system that integrates high-temperature nitrogen protection airflow crushing and drying systems. High-temperature drying gas is used to superfine pulverize lithium iron phosphate as the cathode material of lithium battery. At the same time, supersonic airflow rotary jet flow field is used to transfer heat and mass transfer and instant drying of water on the surface of the material, thus realizing the integration of superfine pulverization and micro-moisture drying of potassium iron phosphate.

Sodium chloride carbonate (baking soda) raw materials are evenly fed into the pulverizer for ultra-fine grinding through the quantitative feeder at the lower part of the silo. Products with particle fineness (D90:20um or flexibly adjust product particle size according to deacidification requirements) are delivered to the flue gas pipeline by the high-pressure fan and injected into the flue gas. Rapid chemical reaction with acid-containing flue gas. Sodium chloride carbonate decomposes at high temperature to produce sodium carbonate NaCO,HO and CO. The newly generated sodium carbonate Na.CO. It has high reactivity at the moment of generation and can efficiently react with acidic substances in the flue gas.

If the product model and parameters are changed, the right of interpretation belongs to Xiaoyang Machinery Company.

The machine is a fluidized bed airflow grinding technology and self-splitting classification technology composed of material dry ultrafine grinding equipment.

BH packaging machine is designed according to the concept of energy saving and environmental protection, absorbing advanced technology of similar foreign products, optimizing design according to the specific conditions of various domestic powders, adopting spiral blade structure, adjusting the feeding speed through stepless frequency conversion, and controlling the feeding accuracy. It has the characteristics of accurate measurement, rigorous and reasonable structure, flexible operation, and no need to sew the valve pocket.

Ultrafine pulverizer by the main engine, auxiliary machine, electric control three parts, compact design, reasonable structure, with windy, no sieve no net. The machine is equipped with a grading mechanism, which can make crushing and grading complete at one time. The negative pressure conveying discharges the heat generated in the cavity during the crushing operation, so it is also suitable for the crushing of heat-sensitive materials.