Engine tail gas treatment system
An exhaust gas treatment and engine technology, which is applied in exhaust gas treatment, engine components, combustion engines, etc., can solve the problems of post-processor poisoning, post-processor scrapping, and increase the cost of post-processor use, so as to prevent poisoning and reduce usage. cost, the effect of improving the service life
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[0020] The present invention will be further described below in conjunction with the specific embodiments in the accompanying drawings.
[0021] refer to figure 1 , an engine exhaust gas treatment system, comprising an ECU, an engine 2, a supercharger 3, and an afterprocessor 4 sequentially connected through an exhaust pipe 1, the ECU is connected to the engine 2 by communication, and the connection between the supercharger 3 and the afterprocessor 4 The exhaust pipe 1 is provided with a sulfur dioxide sensor 5 that communicates with the ECU;
[0022] The sulfur dioxide sensor 5 obtains the actual concentration of sulfur dioxide in the exhaust pipe 1 in real time, and sends the actual concentration to the ECU;
[0023] When the actual concentration reaches the first set value, the ECU controls the operation of the engine 2 according to the sulfur dioxide combustion strategy to increase the temperature of the exhaust gas, thereby burning and discharging the sulfur dioxide accu...
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