Combustion-supporting regeneration method and equipment for filtering body of exhaust particles of diesel engine by spraying anhydrous ethanol

2016 
The invention discloses a combustion-supporting regeneration method and equipment for a filtering body of exhaust particles of a diesel engine by spraying anhydrous ethanol. The anhydrous ethanol serves as heat supply energy during generation of the filtering body, and is sprayed into an exhaust pipe of the diesel engine, an oxidizing catalytic converter oxidizes the anhydrous ethanol and releases energy, so that exhausted gas is heated to ignite the exhaust particles in the filtering body, and regeneration of the filtering body is realized. Compared with the prior art, the combustion-supporting regeneration method and equipment for the filtering body of the exhaust particles of the diesel engine by spraying the anhydrous ethanol have the beneficial effect that 1, the anhydrous ethanol is oxygenated fuel, and oxygen is not required to be supplemented during regeneration; 2, the anhydrous ethanol is volatile and is easy to oxidize completely; 3, coking or carbonization risks are avoided during regeneration; 4, regeneration efficiency is high, regeneration time is short, and safety and reliability are ensured; 5, secondary pollution during regeneration of the filtering body is avoided; 6, the ethanol is renewable energy and is easy to obtain; 7, a system is simple, and extra ignition equipment is not required; 8, the ethanol is easy to store and harmless; and 9, the regeneration method is suitable for various materials.
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