High-chlorine waste liquid incineration system

The utility model discloses a high-chlorine waste liquid incineration system. Comprising an incineration device used for jetting and incinerating the high-chlorine waste liquid; the cooling device is used for cooling first flue gas generated after incineration and inhibiting regeneration of dioxin; a dust removal device; the second flue gas enters the falling film absorption device to be treated to generate low-temperature hydrochloric acid and third flue gas, and the low-temperature hydrochloric acid is conveyed to the cooling device as a cooling medium through a first circulating system, sprayed out from a spraying nozzle of the cooling device and directly mixed with the first flue gas to cool the first flue gas; an alkaline washing tower and a denitration device. According to the system, the defects of high operation cost and short continuous operation time caused by corrosion, coking and ash deposition blockage of a boiler and castable caused by a large amount of molten alkali residues and alkali ash carr