氧化铝生产中的一项主要成本因素就是焙烧氢氧化铝时所需要的大量能量。虽然在安装新设备时最普遍地采用了现代化的沸腾床焙烧工艺,但今天仍然有许多传统式回转窑设备在运行。其主要原因就是,沸腾床焙烧炉代替回转窑需要投资。仅就燃料费用高这一项还不能 A major cost factor in alumina production is the amount of energy required to calcine aluminum hydroxide. Although the modern ebullated bed roasting process is most commonly used when installing new equipment, there are still many traditional rotary kiln equipment in operation today. The main reason is that it takes investment to replace the rotary kiln with a fluidized bed roaster. Only one high-cost fuel can not yet