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Overview of lithium iron phosphate dryer project
Lithium iron phosphate is a new type of electrode material for lithium ion batteries. It is characterized by large discharge capacity, low price, non-toxicity and no environmental pollution.
The performance of lithium-ion battery mainly depends on the positive and negative electrode materials. As the cathode material of lithium-ion battery, lithium iron phosphate has a safety performance and cycle life that cannot be compared with other materials. These are also important technical indicators of power battery. The lithium iron phosphate cathode material is easier to be used in series as a large-capacity lithium-ion battery. To meet the needs of frequent charging and discharging of electric vehicles. It has the advantages of non-toxic, good safety performance, wide source of raw materials, low price, long service life, and is an ideal cathode material for the new generation of lithium ion batteries.
??On the basis of years of accumulated experience in the design and manufacture of spray dryers, our company has set foot in the research of this product from the production of new energy materials of lithium iron phosphate. Through the actual combat of a large number of customer projects, we have constantly summarized, improved and optimized. spray drying of lithium iron phosphate has become a mature experience in design, manufacturing, construction and control operations.
Working principle of lithium iron phosphate dryer
The spray dryer is a drying process that disperses the raw liquid into droplets with an atomizer, and obtains powdered products by directly contacting the droplets with hot air (or other gases). The raw material liquid can be solution, emulsion or suspension, and can also be molten liquid or paste. The dried products can be made into powder, granule, hollow ball or pellet as required. The spray dryer is a drying process that disperses the raw liquid into droplets with an atomizer, and obtains powdered products by directly contacting the droplets with hot air (or other gases). The raw material liquid can be solution, emulsion or suspension, and can also be molten liquid or paste. The dried products can be made into powder, granule, hollow ball or pellet as required.
The high-speed centrifugal spray dryer for battery materials is applied to the drying production of water-soluble liquid materials of lithium iron phosphate cathode materials for lithium batteries. The high-speed centrifugal spray atomization technology is used to obtain spherical particles with uniform particle size, compact structure and good fluidity while realizing continuous drying production. To a large extent, the high-speed centrifugal atomization technology can effectively improve or increase the stacking density of lithium iron phosphate cathode materials, The monomer particles can reach 3~5um and the moisture content of the finished product is 0.5%. The magnetic filtration technology can effectively avoid the incorporation of iron ion impurities in the production process, achieve the purpose of material purification, and maintain the conductivity of the cathode material. The recycling of waste heat gas can also achieve the production purpose of energy conservation and emission reduction, and comply with the transformation of energy conservation and emission reduction and low-carbon production mode advocated by the state. In order to maintain production safety, this machine adopts pulse dust removal cooling protection technology, and realizes cooling protection safety interlock under intelligent control operation. The comprehensive application of innovative technologies provides basic equipment and technical support for the industrial production of new energy lithium battery cathode materials in China. It is an ideal drying equipment for new materials.