Manufacturing method of environmental protection tail gas treatment three-way catalytic converter

The invention relates to the technical field of energy saving and environmental protection, and discloses a three-way catalytic converter for exhaust gas treatment for environmental protection. For the air port, a piston barrel is movably sleeved in the middle of the inner cavity of the tube, and the side of the piston barrel is provided with a connecting hole that communicates the outside world and the inner cavity. The present invention sets up a pressure-increasing and temperature-rising mechanism, so that when the three-way catalyst is initially exhausted, the vent groove is closed in a staggered manner under the cooperation of the spring and the piston cylinder, so that the gas discharged through the exhaust system of the automobile is collected in the three-way In the catalytic converter, and the air pressure gradually increases, the heat is released outward under the action of the reduction of the gas volume, so that the three-way catalyst heats up quickly, and after the internal air pressure increases to a certain degree or the internal temperature reaches a certain temperature, the piston cylinder Move to the right to open the aeration slot, so that the three-way catalyst can catalyze the exhaust gas.

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