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Diesel filters, also known as diesel particulate filters (DPF), are devices used to capture and remove particulate matter (PM) from the exhaust gases of diesel engines. Diesel engines produce PM, which is a mixture of soot and other tiny particles that can be harmful to human health and the environment.
The DPF works by trapping the particulate matter in a filter that is made up of a porous ceramic or metallic material. As the exhaust gases pass through the filter, the particulate matter is trapped, allowing cleaner air to exit the exhaust system.
Over time, the particulate matter accumulates in the filter and needs to be removed. This process, known as regeneration, involves heating the filter to a high temperature to burn off the accumulated PM. Regeneration can occur passively, through normal driving conditions, or actively, through the injection of diesel fuel into the exhaust system to increase the temperature of the filter.
Proper maintenance of diesel filters is important to ensure they function properly and effectively remove particulate matter from the exhaust gases. This may involve regularly cleaning or replacing the filter, depending on the manufacturer's recommendations and the driving conditions.
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+86 183 3391 1399
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