Through advanced filtration technology and high - quality materials, we ensure that our DPFs meet the most stringent environmental standards helping to improve air quality and protect the environment.
Through advanced filtration technology and high - quality materials, we ensure that our DPFs meet the most stringent environmental standards helping to improve air quality and protect the environment.
The DPF (diesel particulate filter) in the exhaust treatment system of diesel vehicles is the core component of the National VI emission standard. The DPF system equipped on the Isuzu mu-X Muyouxia diesel version can reduce particulate matter emissions by more than 90% through physical interception and high-temperature regeneration technology. However, there are significant differences in the regeneration logic of DPF in different driving scenarios, which directly affects vehicle performance and maintenance costs.
Core working principle of DPF system
DPF intercepts carbon soot particles in exhaust gas through honeycomb ceramic filter element. When the carbon accumulation reaches the threshold, active regeneration or passive regeneration is required to remove the sediment. Active regeneration requires specific conditions to be met:
High temperature environment: The exhaust temperature needs to be above 550 ℃
Oxygen concentration: It is necessary to maintain an oxygen rich environment of 10% -15%
Engine load: Need to maintain medium high speed (2000-3000rpm)
Passive regeneration relies on NO ₂ in the exhaust gas to oxidize carbon soot above 250 ℃, but the efficiency is relatively low, only able to treat about 30% of carbon deposits.
