摘要:多级闪蒸MSF和多效蒸馏MED海水淡化都是利用低品位余热能在多个有序排列的容器内,将海水加热蒸发产生水蒸汽,蒸汽冷凝后得到高品质淡水。MSF采取降压扩容闪蒸的方法蒸发海水,而MED则是用蒸汽直接加热海水蒸发出蒸汽,由于二者工艺过程的特点,MSF系统的级数要多于MED系统的效数。为提高能源利用率、降低淡水成本,热电联产成为热法海水淡化技术的必然选择,而多级和多效则可使能量得到重复利用或梯级利用。
关键词:海水淡化装置 多级闪蒸 多效蒸馏 med msf
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