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Analysis and Improvement of Block in the Low-temperature Multi-effect Distillation Seawater Desalination System
Author(s): 
Pages: 20-22
Year: Issue:  1
Journal: Power Station Auxiliary Equipment

Keyword:  海水淡化低温多效蒸馏预处理混凝药品污堵工艺改进;
Abstract: 利用混凝方法进行海水澄清的预处理工艺,是低温多效蒸馏海水淡化系统采用的传统工艺.在实际运行中,这种传统工艺易使海水淡化换热设备产生污堵现象.通过分析得知,在低温条件下,加入混凝药品是下游海水淡化设备产生污堵的主要原因.为此,进行了各项工艺改进试验.改进工艺后,可全年在设备运行中停止加入混凝药品,也能保证预处理出水满足下级设备的水质要求.采用改进后的海水预处理工艺,提高了海水淡化设备运行的经济效益,为低温多效蒸馏海水淡化的系统设计提供了良好范例.
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