Anti-coking semi-waste boiler gasification furnace

The utility model relates to the technical field of coal chemical industry, in particular to an anti-coking semi-waste boiler gasification furnace which comprises a furnace body, a gasification chamber, an upper-section cooler, a downcomer and a chilling chamber are arranged on the inner side of the furnace body, the gasification chamber is located at the upper end in the furnace body, the upper-section cooler is communicated with the bottom of the gasification chamber, and the downcomer is communicated with the bottom of the upper-section cooler. A chilling chamber is arranged between the outer wall of the downcomer and the inner wall of the furnace body and is positioned below the upper-section cooler; and the water cooling wall is directly communicated with the chilling chamber, so that coking in the working production process is avoided, the production efficiency is improved, the maintenance difficulty is reduced, and the maintenance cost is reduced. 本实用新型涉及煤化工技术领域，具体涉及一种防结焦半废锅气化炉，包括炉体，炉体内侧设有气化室、上段冷却器、下降管