Diesel Particulate Filter of Catalytic Converter

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Beihai Xiaoming International Import and Export Trading Co., Ltd.

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Profile Certified by SGS/BV
DPF
Exhaust System
Carbon Fiber
Center Muffler
Single
Produced as Your Requests
Diesel Engine System Part
Column
as Per Your Order
100-600cpsi
DXY
Wooden Box + Pallet or Packaged as Customers' Need
China
84213990
Product Description


Diesel Particulate Filter is one kind of wall flowed honeycomb ceramic filter with special structure and material. It is applied in the tail gas clean-up plant of diesel. It utilizes the pore of wall flowed filter to cut-off and catch the soot particulate in the tail gas of diesel and then purifies the tail gas. It is made by two materials: Cordierite and SiC.

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.



 


Property (uncatalyzed)
 

100/17
 

200/12
 

Cell density
 

cpsi
 

100
 

200
 

cpscm
 

15.5
 

31.0
 

Wall thickness
 

inch
 

0.017
 

0.012
 

mm
 

0.432
 

0.305
 

Open frontal area (OFA), %
 

34.5
 

34.5
 

Geometric surface area (GSA)
 

Inch 2
 

33.3
 

47.0
 

m 2 /l
 

1.31
 

1.85
 

Hydraulic diameter
 

Inch
 

0.083
 

0.059
 

mm
 

2.11
 

1.49
 

Modulus of rupture (psi/cpscm)
 

350
 

300
 

Porosity (%)
 

48
 

48
 

Coefficient of thermal expansion

10 2 cm/cm/ (20-800) --maximum average
 

5
 

5
 

Mean pore size (micron)
 

13
 

13
 

Melting temperature (celsius degree)
 

1460
 

1460
 

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