世界级合成氨装置的规模越来越大。生产厂家想利用较大的产量带来规模经济效益。 2 0世纪 80年代投产的世界级合成氨装置 ,其平均产量是 1 1 2 0ｔ/ｄ。最近 ,产量在 2 0 0 0ｔ/ｄ左右的几套装置已经建成。未来几年 ,还可能建设更大规模的合成氨装置。规模经济效益是提高产量的 World-class ammonia plant is getting bigger and bigger. Manufacturers want to use larger production to bring economies of scale. World-class ammonia plant put into operation in the 1980s has an average output of 1120 t / d. Recently, several sets of devices with output of about 2000t / d have been built. In the next few years, it is also possible to build larger ammonia plants. Scale economic efficiency is to increase production