Bag baking device

The ladle baking device comprises a rack, a gas main pipe arranged on the rack, a combustion-supporting air main pipe arranged on the rack, a ladle body arranged on the rack, a burner arranged on theladle body, a combustion-supporting air branch pipe and a gas branch pipe, wherein the combustion-supporting air branch pipe and the gas branch pipe are communicated with the burner; wherein the coalgas transition pipe is communicated with the coal gas main pipe, the combustion-supporting air transition pipe is communicated with the combustion-supporting air main pipe, the coal gas branch pipe iscommunicated with the coal gas transition pipe, and the combustion-supporting air branch pipe is communicated with the combustion-supporting air transition pipe. The coal gas/combustion-supporting air branch pipes are arranged between the coal gas/combustion-supporting air main pipe and the coal gas/combustion-supporting air branch pipes, the pressure equalizing and buffering effect is provided for airflow flowing out of t