Hazardous waste incineration disposal system

The utility model provides a hazardous waste incineration disposal system which comprises a pretreatment and feeding system, a rotary kiln incineration system and a plasma disposal system, the rotary kiln incineration system and the plasma disposal system are respectively connected with the discharge tail end of the pretreatment and feeding system, and the gas outlet end of the rotary kiln incineration system and the gas outlet end of the plasma disposal system are communicated with a waste heat boiler. The gas outlet end of the waste heat boiler communicates with a flue gas purification treatment system, and the flue gas purification treatment system is connected with a chimney. The gas outlet ends of the rotary kiln incineration system and the plasma treatment system are communicated with a secondary combustion chamber; a non-catalytic reduction SNCR device is arranged on the waste heat boiler; and an SCR reaction tower is also arranged in the flue gas purification treatment system. According to the utility