Safe and environment-friendly cracking furnace for acetic anhydride production

The utility model relates to the technical field of acetic anhydride production, in particular to a safe and environment-friendly cracking furnace for acetic anhydride production, which can enable raw materials in a charging basket to be fully combusted, so that the raw materials are uniformly cracked, and the working efficiency of the cracking furnace is improved. Comprising a cracking furnace, a material barrel, a feeding pipe, a material guiding pipe, a first fixing plate, a second fixing plate, four sets of first stand columns, a material discharging pipe, an outer gear ring, a gear, a motor, a motor base, a filter screen, a cleaning door, two sets of hinges, two sets of second stand columns, a gas guiding pipe and a valve, the material barrel is located in the cracking furnace, and the output end of the feeding pipe penetrates through the left end of the cracking furnace and communicates with the left end of the material barrel; the top end of the gas-guide tube is communicated with a plurality of groups