Purification system for waste gas treatment

The utility model provides a purification system for waste gas treatment, which comprises a gas collecting tank, a gas inlet, a gas outlet, a gas inlet pipe, a gas outlet pipe, a gas inlet pipe, a gas outlet pipe, a gas outlet pipe, a gas outlet pipe and a gas outlet pipe, and is characterized in that the gas collecting tank is internally provided with a cavity, and one end of the gas collecting tank is provided with a gas inlet; the drawer is mounted on the gas collection tank, the drawer can be fed into the cavity of the gas collection tank, and a vent hole communicated with the cavity is formed in the drawer; and the plurality of dust removal particles are placed in the drawer. Air containing coating particles flows into the gas collecting box through a pipeline after being combusted through the combustor, waste gas flows into the drawer through the vent holes, and at the moment, pollutants in the waste gas are filtered through dust removal particles. And after the dust removal particles are used for a per