Hertwich, a German company, has completed the comprehensive upgrade design and manufacture of the homogenization and degradation furnace for aluminum ingots. The new generation furnace has the following advantages: the product quality after homogenization is highly controllable and uniform; it is suitable for processing various alloys, and alloy can be changed frequently; the heating time is shortened by 20% ~ 25% by adopting the new air circulation concept; the temperature uniformity is greatly improved; it can It has the lowest source consumption, low power rating, short non working time, low maintenance, low spare parts cost, full automation, low labor cost, strong adaptability and no special requirements for the installation site.