Safe and environment-friendly burner for acetic anhydride production

The utility model relates to the technical field of acetic anhydride production, in particular to a safe and environment-friendly burner for acetic anhydride production, which can improve the combustion sufficiency of mixed gas and ensure the subsequent gas treatment effect. Comprising a combustion furnace, a mixture combustor, a sliding sleeve, a flow equalizing sleeve, a motor, a transmission sleeve, an air inlet pipe, a chain wheel, a chain disc, a chain and a rotary disc, four sets of supporting legs are arranged at the bottom end of the combustion furnace, an exhaust pipe is arranged at the top end of the combustion furnace, and a sealing access door is rotationally arranged at the front end of the combustion furnace; a gas inlet pipe is arranged at the output end of the mixture combustor and extends into the combustion furnace, the gas inlet pipe is sleeved with the sliding sleeve in a sliding mode, the flow equalizing sleeve is communicated with the right end of the sliding sleeve, the motor is fixedly