The utility model discloses an oil fires burning furnace, including the shell, the inside burning chamber that is equipped with of shell, the gas -supply pipe with advance oil pipe and all set up in the clearance in shell and burning chamber, the gas -supply pipe links to each other with the spray tube, the exit end that advances oil pipe is equipped with the rotatory flange that links to each other with the shower nozzle, the inner wall in the chamber of burning is equipped with the unsmooth alternate ripple struction that is on the ripple pipe wall, the inner wall that encloses into the shell and the clearance in chamber of burning also is the ripple struction, is equipped with in the clearance and leads hot fluid, it has the material of nai high -temperature heat insulating still closely to fill in the casing of shell, rotatory flange with the spray tube is just right mutually, the spray tube with the exit end of gas -supply pipe links to each other through the threaded union that two all was equipped with the sealed tube screw thread. Should fire burning furnace and not only can and advance the oil pipe way and fully preheat the gas -supply pipe, bigger degree ground utilizes the heat dissipation in burning chamber, and energy saving and consumption reduction has improved the work efficiency who fires burning furnace more simultaneously.