The utility model discloses a hot-blast stove temperature automatic adjusting device in the technical field of hot-blast stoves, which comprises a bottom plate and a
combustion box body, the
combustion box body is fixedly arranged at the upper end of the bottom plate, a
combustion chamber is arranged in the combustion box body, one end of the
combustion chamber penetrates through one side of the combustion box body, and the other end of the
combustion chamber penetrates through the other side of the combustion box body. The other end of the
combustion chamber is connected with a combustion
machine, a gas circulation structure is arranged at the upper end of the combustion box body, and the gas circulation structure comprises a gas inlet
pipe, a
temperature control box body and a gas outlet
pipe; a gas circulation structure is adopted, a combustion chamber is integrally heated through a
combustor, gas in a combustion box body is heated, then temperature adjustment is conducted, the gas output is controlled through a
temperature control structure, the heated gas and unheated gas are proportionally conveyed, and the overall
temperature control effect is guaranteed; the size of an air outlet of the air inlet frame is changed through the arranged electric push rod, and the conveying amount of
cold air is rapidly adjusted.