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介绍了氨吸收制冷工艺和压缩制冷工艺,并进行了两种工艺的比较,大型煤气化和液化生产企业采用氨吸收制冷工艺,既回收了余热,又节省了电能,具有很好的经济效益。
Ammonia absorption refrigeration process and compression refrigeration process were introduced. The comparison of the two processes was made. The large coal gasification and liquefaction production enterprises adopted the ammonia absorption refrigeration process, which not only recovered the waste heat but also saved the electric energy, which had good economic benefits.