Fuel cell air supply system for dust removal vehicle

The utility model discloses a fuel cell air supply system for a dust removal vehicle, which comprises a vehicle-mounted dust removal device comprising a fan, and the fan rotates to drive air to flow and be sucked into a purification device to purify the air; the air transmission pipeline is led out from the air outlet of the purification device of the vehicle-mounted dust removal equipment in a branched manner; and the air compressor is connected with the air transmission pipeline, sucks the purified air and transmits the purified air to an air inlet of a rear fuel cell stack, so as to provide air for the fuel cell stack to participate in reaction. Air in the air purification chamber at the rear end of the dust removal equipment of the dust removal vehicle is utilized, the mode that an external air filter is commonly used in an existing fuel cell system is omitted, the purchase and maintenance cost of the air filter is reduced, the integration level is improved, arrangement is facilitated, and the dust remova