Ternary catalyst activating device for gas adding

The utility model relates to a ternary catalyst activating device for gas adding, which comprises a gas adding valve. The utility model is characterized in that the gas adding valve is connected with an activating combustion accelerator in series so as to form an activating gas adding passage. The activating gas adding passage forms a parallel by-pass to a gas intake line of the original air cleaner. One end of the activating gas adding passage is connected with the air cleaner, and the other end is connected with a gas intake of an engine. The utility model is used for carburettor automobiles so as to increase the output of an engine based on avoiding exhaust pollution. The utility model has the advantages of simple structure and convenient use and adjustment.