The global economy has ushered in the outbreak of the new energy industry, and the demand for ceramic transportation pipelines has increased sharply. The lithium battery cathode material production line, from raw material delivery, feeding, batching, mixing, sintering (including secondary or tertiary sintering) to final packaging, Each link is connected by pipes to form a closed conveying system, so the amount of pipes is large. In the early days, PU pipes, rubber pipes and stainless steel pipes were usually used. Compared with traditional metal pipes, ceramic lined pipes have been widely used in the lithium battery industry because of their super wear resistance, high temperature resistance, acid and alkali corrosion resistance and other characteristics. application.
It has been 30 years since lithium battery products were born in the early 1990s. In recent years, with the rapid expansion of my country's 3C market and the new energy vehicle market, Chinese enterprises have risen rapidly, breaking the pattern of competition between Japan and South Korea, and occupying the world's largest scale. In 2016, China accounted for 15 of the top 20 lithium battery manufacturers in the world. By 2019, CATL, BYD, etc. have ranked among the top in the world in terms of shipments. Around the upstream and downstream of lithium battery manufacturers, a huge and complete industrial chain has already been formed in China.
In the past three years, the rapid development of the domestic new energy vehicle industry has put forward higher requirements for the safety performance and energy density of battery materials, and high nickel ternary has become the mainstream. Compared with traditional cathode materials such as lithium iron phosphate, high nickel ternary materials have higher hardness, higher requirements for wear resistance of pipelines, and stricter demagnetization (no copper, iron, and zinc). Some manufacturers continue to use the FRP liner, tetrafluoro liner, and even tungsten carbide spray pipe used in the lithium iron phosphate preparation system, but they find that the service life is extremely short after use.
In fact, integral wear resistant ceramic lined pipes have long been widely used in lithium battery production lines in Japan and South Korea. The integral wear resistant ceramic lined elbow has the characteristics of super wear resistance, corrosion resistance and high temperature resistance. At the same time, as a non metallic lining material with ultra high hardness, the ceramic lined elbow can effectively block the harmful substances such as powder and iron. The contact of substances reduces the content of impurities such as iron in the positive electrode material, thereby improving the safety performance of the battery.
The integral wear resistant ceramic tube steel is made of 304 stainless steel integrally formed (hot simmering, non straight tube welding), lined with 92～95 high purity alumina ceramic tube with stable performance, and filled with special viscose for ceramic and steel tube layer ceramics.Different from the general ceramic lined composite pipe, the inner and outer walls of this kind of pipe are smooth, the air flow is smooth, the wear is extremely low, and the pressure resistance and corrosion resistance are good. It has been proved by practice that the wear resistant ceramic pipes produced by Iberno have a service life of at least five years in the high nickel ternary production line.