How can we have the production capacity of whole wet film production line?
Lithium-ion batteries have been hot in recent years as the 3C consumer electronics market continues to heat up and new energy vehicles continue to heat up. Lithium-ion battery separators, one of the important components of lithium-ion batteries, are also receiving attention. A large number of related companies and investors have expanded their production or entered this industry.
At present, the main production processes for lithium ion battery separators are dry and wet methods. The wet separators have become the new development direction of the diaphragm industry because of its advantages in heat shrinkage. New projects and expansion projects have been started in 2012. We are targeting the wet diaphragm line.
The enterprises that have the production capacity of the whole production line of wet separators are currently only one company in China Hualian, and three to four companies in Japan and South Korea can grasp. To measure the success of a wet diaphragm production line, in addition to production speed and product stability, energy consumption is also a crucial point!
The main influence on the energy consumption of the wet diaphragm production line lies in the control of the inlet liquid volume of the extraction tank. Under the premise of guaranteeing the completion of the extraction effect, the smaller the amount of liquid intake means that the later the liquid separation and the amount of the mixed liquid to be processed in other processes are smaller, the corresponding electric energy steam, etc. to be used is less.
At present, Japan and other companies use wet extraction membrane production line extraction tanks to ensure the extraction efficiency, and the liquid intake is about 6m3/h. Qingdao Zhongke Hualian extraction tank uses ultrasonic cleaning and the internal self-circulation of the extraction tank, etc. The liquid intake is 3m3/h. about. The cost of processing 1m3 of mixture per hour is at 150 yuan. The difference in the cost of the liquid in the extraction tank is more than three million yuan a year.
It can be seen that for the wet diaphragm production line, the liquid intake volume of the extraction tank is directly related to the energy consumption of the entire line, which also has an important impact on the profitability of enterprises and the maximization of benefits.
In the context of further declining prices of the entire power battery industry chain in 2017, lower production costs will greatly help improve market competitiveness.
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