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提出了一种利用低品位热能和潮汐能驱动的多效蒸馏海水淡化技术,其特点是利用潮汐能代替传统电泵为系统运行提供动力,从而减少了系统运行对稳定电力供应的依赖,降低造水成本.根据该技术的原理,设计搭建了一套试验系统,测试并分析了给海水温度和加热水温度对该系统运行性能的影响.试验结果表明,当加热水温度为65℃,系统绝对压力为25kPa时,系统的淡水产量为27kg/h.通过试验和理论分析发现,选择合适的加热水温度是维持系统稳定运行的关键因素.
A multi-effect distillation seawater desalination technology driven by low-grade heat and tidal energy is proposed, which is characterized by the use of tidal energy instead of the traditional electric pump to provide power for system operation, thus reducing the dependence of system operation on stable power supply, According to the principle of the technology, a set of test system is designed and tested, and the influence of the seawater temperature and heating water temperature on the system performance is tested and analyzed.The results show that when the heating water temperature is 65 ℃, the system absolute When the pressure is 25kPa, the fresh water production of the system is 27kg / h.Through the test and theoretical analysis, it is found that selecting the proper heating water temperature is the key factor to maintain the stable operation of the system.