Anode furnace is also an important metallurgical equipment for processing blister copper in copper smelting. Its main function is to refine the blister copper produced by blowing in the converter, remove impurities in the blister copper, and produce qualified anode copper. The blister copper refining in the anode furnace has a very short oxidation period, and most of the time in the refining cycle is in the heat preservation state, so the anode furnace needs a heating device.