The national six post-processing system adopts DOC+DPF+SCR+ASC technology, adopts double NOx sensor, 4 temperature sensor and 1 differential pressure sensor. A non-air assisted urea injection system is employed. The schematic diagram of the post-processing structure of the country is as follows: DOC: Diesel Oxidation Catalyst Diesel Oxidation Catalyst DPF: Diesel Particulate Filter Diesel Particulate Filter SCR: Selective Catalytic Reduction ASC: Ammonia Slip Catalyst Ammonia Purification Catalyst 1. Box type catalytic muffler (for K15/K13/11) Dimensions: 710mm × 622mm × 625mm 2. Box-type integrated muffler (structure is applicable to K09/08/K05/S06) Dimensions: 650mm × 550mm × 625mm 3. One-word drum type integrated muffler (K08\K05\S06\S04\Y30\Y24) Dimensions: φ260mm × 1070mm\φ 258mm × 1005mm\φ 220mm × 950mm 4. U-shaped integrated muffler (K09\K08\K05\S06\S04) Suitable for rear passenger cars, the size varies according to the model 5, S-type integrated muffler (K09\K08\K05\S06\S04) Suitable for rear passenger cars, the size varies according to the model 6, the gas engine country after the six processing overall plan: The gas engine aftertreatment system uses EGR+TWC technology. The schematic diagram of the post-processing structure of the country is as follows: The knowledge points about the post-processing system of the National Sixth are counted here. If you want to get more information about the National Six Engine Aftertreatment System, please pay attention to the follow-up report of China Truck Network.
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Guoliu's post-processing system adopts DOC+DPF+SCR+ASC technology 
Box catalytic muffler 
Box integrated muffler 
One-word drum integrated muffler 
U-shaped integrated muffler 
S type integrated muffler 
Gas engine country six post-processing overall plan
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Do you know the emissions of the country? Inventory of the sixth engine aftertreatment system
Everyone is saying that the "National Six Emission Engine " is not the same as the post-processing system. So what are the overall plans for the post-National Sixth? Then we will take a look at it one by one.