High Performance Doc+DPF Diesel Particulate Filter for
CarThis product can be directly oxidized and
decomposed the diesel engine exhaust particulate matter
(PM). Compared to the conventional platinum catalyst , since the
NOx catalyst without passing through the DOC conversion NO2, thus
reducing the amount of expensive platinum, lower cost, and can
obtain the same decomposition performance at lower temperatures,
and in temperature can be increased at the same rate of
decomposition. It can also improve the combustion performance
to the number of PM 's calculations , can reach more than 90%
removal efficiency. Sanhe DPF and DOC units are proudly designed
and manufactured , backed by outstanding warranty coverage and meet
all Euro emissions standards.
Schematic Diagram For Analysis of Filtering Efficiency
of Principle Structure Features:Easy Installation. Exceptional
Durability. Optimum Performance.Ceramic DOC technology with
Zeolites designed to extend the performance of diesel catalytic
converters into the low temperature rangeMaintenance-free, reliable
and cost-effective emission control solutionAvailable in both
universal and direct-fit designs Mufflers are built entirely
from corrosion resistant materials: aluminized and stainless
steelsInstallation time and cost are reduced to a minimumDOC
Catalytic Mufflers match or surpass the original muffler in sound
attenuation and back pressure characteristics with addition
of superior emissions performanceGreat at reducing deadly
emissions,such as Carbon Monoxide(CO) and Hydrocarbons(HC)The
Catalyst Substrate of DPF Particulate Capture: The catalyst
substrate of DPF particle filter is a wall-flow honeycomb
ceramic with cordierite or silicon carbide as raw materials. The
main component of exhaust gas excluded by diesel engine is carbon
particles. DPF particle trap is installed in the exhaust
system of diesel engine. A device for reducing particulate
matter in exhaust gas by filtration has a filtration efficiency of
over 90% for carbon particles. Working Principle: The holes of
honeycomb porous ceramics are blocked alternately, and the wall
holes of ceramics are used to filter and remove particulates.
Characteristic: 1. Large and compact area per
unit volume 2. Small pressure loss and excellent capturing
performance 3. Excellent heat resistance and heat resistance If
Diesel Particulate Filter (DPF) is coated with noble metal (such as
Pt, Pd and Rh), the particulate of emission is captured inside thin
gas hole or entrance. As it lasts, the cumulated layer become
thick, and pressure loss increase. To ensure the performance of
engine, when pressure loss reaches some value, it is a must to
recycle the filter. The recycle is making the particulate burning,
by raising the gas temperature of filer. The particulate condition
is related to the oxygen concentration. Normally, it is buring at
550-650 celsius degree. Usually we raise emission temperature by
adjusting throttle, and increase gas temperature with burner. The
particulate burning temperature can be decreased by catelyzer,
making cumulative particulate burning as soon as possible, thus
recover the pressure loss and fitters performance, then the filter
is recycled.Parameters:Property (uncatalyzed) 100/17200/12Cell
densitycpsi100200cpscm15.531.0Wall thicknessinch 0.0170.012mm0.4320.305Open
frontal area (OFA), %34.534.5Geometric surface area (GSA)Inch
233.347.0m 2 /l1.311.85Hydraulic
diameterInch0.0830.059mm2.111.49Modulus of rupture
(psi/cpscm)350300Porosity (%)4848Coefficient of thermal expansion
10 2 cm/cm/ (20-800) --maximum average55Mean pore size
(micron)1313Melting temperature (celsius
degree)14601460Dimensions:RacetrackRotundityΦ169±x85.7±1x127±1 R30Φ150x100Φ148±1x82±1x127±1 R38Φ150x75Φ144.8±1x81.3±1x76.2±1 R37Φ125x130Φ144.8±1x81.3±1x75±1 R37Φ144x152Φ127±1x61±1x120.7±1 R23Φ118x152Φ145x80x80Φ106x150Φ93±1x61±1x90±1 R30Φ106x100Φ120.6±1x80±1x50.8±1 R39.6Φ103x100Φ120x80x75Φ101.6x100Φ147±1x95±1x70±1 R36.6Φ100x100Φ100x100x75Φ93x130Φ50x50x25Φ93x49.85Diesel
Oxidation Catalyst(DOC) Three-Way Catalytic Filter: When the
high temperature automobile exhaust passes through the purification
device, the purifier in the three-way catalytic converter will
enhance the activity of CO, HC and NOx gases and promote their
oxidation-reduction chemical reactions. Among them, CO is
oxidized to colorless and non-toxic carbon dioxide at high
temperature. HC compounds are oxidized to water (H20) and
carbon dioxide at high temperature. NOx is reduced to nitrogen
and oxygen. Three kinds of harmful gases become harmless
gases, so that the automobile exhaust can be purified. We can make
customized catalytic converter to meet customers'
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