How Does A Diesel Particulate Filter Work
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Understanding Your Diesel Particulate Filter
Diesel Particulate Filters are an EPA requirement on course 5 or higher diesel powered trucks, model twelvemonth 2007 and newer. A DPF is designed to control emissions by trapping the particulate matter within a filter. In essence, your DPF acts as a garbage can for your exhaust organisation.The particulate filter removes soot particles from the exhaust by passing the frazzle gases through a ceramic wall flow filter. Solid soot particles are then trapped on or in the ceramic filter wall.
There are 200 cells per square inch inside the filter, with each cell measuring 3/64" foursquare. This continues throughout the depth of the filter. The cells create a large porous surface area to trap any material entering the filter. Soot can exist trapped along the edge of the wall or anywhere with the "sponge" like construction.
How The Diesel Particulate Filter Works:
On a mod filter, the air will laissez passer through a goad prior to entering the particulate filter. This catalyst oxidizes the air prior to entering the diesel particulate filter. The inlet cells on the DPF are plugged at the opposite end. The plug forces air to pass through the porous wall, which removes particles larger than 5 microns, the thickness of the homo pilus. Subsequently the air is forced through the porous wall, the clean air exits the filter through outlet cells, which are plugged on the inlet finish.
The build up of particle matter (soot) left behind eventually causes back pressure level. This back force per unit area signals the filter needs cleaning and begins the regeneration procedure. At this point the truck places raw fuel on the face of the catalyst, oxidizes the fuel, creating heat and turning the soot into ash. The ash is contained within the filter until information technology is ultimately baked out and cleaned properly.
What Is In Diesel Exhaust:
The soot from diesel fuel fuel itself tin be 100% regenerated, leaving no ash. Unfortunately, there are additives in our fuel, lubricants in our oil, and engine article of clothing metals in diesel exhaust. Particles like this cannot be completely regenerated, leaving ash in your diesel particulate filter.
Follow this link to learn more about DPF cleaning in Iowa.
Images provided by Max Filters.
How Does A Diesel Particulate Filter Work,
Source: https://radiatorpros.com/how-a-dpf-works/
Posted by: jacobssquill1950.blogspot.com
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