Combustion furnace with temperature adjusting and dust falling effects

The utility model relates to the field of environmental protection equipment, in particular to a combustion furnace with temperature adjusting and dust falling effects, which comprises a combustion chamber and a settling chamber, an oil gas nozzle is arranged in the combustion chamber, the rear portion of the combustion chamber is connected with the settling chamber, a baffle plate is arranged in the center of the settling chamber, and a collector is arranged at the bottom of the settling chamber. The bottom of the collector is connected with a solid product outlet; a hot air outlet is formed in the upper portion of the side, away from the combustion chamber, of the settling chamber, a smoke cavity is formed in the outer side of the settling chamber, and the hot air outlet is formed in the smoke cavity. According to the combustion furnace with the structure, fuel oil and air or oxygen are directly mixed through the oil gas spray head and then ignited in the combustion chamber, the retention time of hot air in