en.Wedoany.com Reported - Ding Hongwei, Director of Industrial Air Filtration Aftermarket Products and Business Development for Asia Pacific at the U.S. filtration technology company Donaldson, recently outlined the common pain points in dust collection for China's lithium battery industry during an interview, using keywords such as "involution," "cost pressure," "short filter cartridge life," and "low efficiency." The solution Donaldson is presenting this time is named the "MAX-FLOW" series.
Ding Hongwei pointed out that the rapid development of the lithium battery industry in China has driven the growth of the industrial dust collection sector. However, many customers encounter problems in actual production, such as poor dust collector performance, high energy consumption, and short filter cartridge life, leading to frequent equipment downtime and driving up operational costs. The MAX-FLOW series is a solution specifically designed for upgrading and retrofitting domestically manufactured dust collectors, with all products manufactured at Donaldson's factories in China.
On a technical level, the series incorporates two core technologies. For PTFE membrane filter bags, Donaldson uses a three-dimensional stretching technology to produce a more uniform membrane, resulting in stronger adhesion between the membrane and the substrate. This allows dust to be released more easily and improves cleaning effectiveness, thereby maintaining low operating resistance and extending filter cartridge service life. The other is fine fiber technology, which applies a layer of nano-scale fine fibers to the filter media surface via electrospinning, enabling precise capture of sub-micron dust particles. The MAX-FLOW series can achieve a MERV 13 filtration efficiency rating. Ding Hongwei interpreted this, stating: "The cleaning system design of many domestic dust collectors is not entirely satisfactory. The MERV 13 rating is precisely a comprehensive optimization solution. It ensures a balance between air permeability and dust holding capacity, guaranteeing stable operation even under poor cleaning conditions, while easily meeting environmental emission standards."
The application of the MAX-FLOW series covers multiple stages of the lithium battery industry chain and extends to fume control generated from processes like sheet metal processing and laser welding in new energy vehicle production. Ding Hongwei stated that Donaldson's Ultra-Web series, when paired with its own dust collectors, can achieve MERV 15 efficiency, while the MAX-FLOW series is positioned to use Donaldson technology to optimize and upgrade non-Donaldson branded domestic dust collectors, making the two series complementary. In the future, this product line will expand to include filter cartridges and oil mist filtration products.
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