潮流能反渗透海水淡化系统理论与仿真研究

发布时间：2018-03-15 11:53

本文选题：潮流能　切入点：反渗透海水淡化　出处：《太原科技大学》2015年硕士论文　论文类型：学位论文

【摘要】：随着人类社会与科技的发展,自然资源日益枯竭,海洋中蕴含的潮流能是一种潜力巨大,绿色环保的可再生能源,具有研究和开发的巨大价值。目前潮流能的开发主流是用来进行发电,关于用之进行海水淡化的研究少之又少。一般的反渗透海水淡化都需要外在的驱动,如利用电机驱动,油泵驱动等,某些深海中的孤立岛屿、远洋船只等各种能源都比较珍贵的场所,开发利用海洋中的潮流能直接驱动来进行海水淡化方式,将具有深远的意义和广阔的市场前景。本文提出潮流能海水淡化系统的研究,通过分析潮流能捕获装置、潮流能利用方式、余能回收系统等潮流能海水淡化相关系统理论,根据捕获潮流能利用方式的不同以及余能回收装置的不同采用方式,设计了潮流能直驱式反渗透海水淡化、潮流能直驱式余能回收反渗透海水淡化和潮流能发电海水淡化三种不同的方案。在流体力学和水液压传动技术基础上,研究系统相关的子系统和元件的特性,并建立了三种方案的系统理论模型。采取适当的控制策略,对三种方案进行了仿真分析,结果表明,直驱式潮能利用形式比间接驱动的方式系统能量利用率高,系统压力相对稳定;余能回收装置对潮流能反渗透海水淡化系统意义重大,较大程度上降低系统的能耗,对系统有良好的压力脉动补偿,使系统整体运行稳定,有效增加反渗透膜组使用寿命。最后根据理论分析结果和仿真分析,对小型的潮流能直驱式余能回收反渗透海水淡化实验平台进行了设计、研制。
[Abstract]:With the development of human society and science and technology, the natural resources are exhausted day by day. The tidal energy contained in the ocean is a kind of renewable energy with great potential and environmental protection. It is of great value in research and development. At present, the mainstream of tidal current energy development is used to generate electricity, and there is very little research on the use of it for desalination. In general, reverse osmosis seawater desalination requires external driving, such as the use of electric motors. Oil pump driving, some isolated islands in the deep sea, ocean-going vessels, and other energy sources are all relatively precious places. The exploitation and utilization of ocean tidal current can be directly driven to desalinate seawater. This paper puts forward the research of tidal current desalination system, through the analysis of tidal current energy capture device, tidal current energy utilization mode, residual energy recovery system and other tidal current energy desalination system theory. According to the different ways of using the captured tidal current energy and the different ways of adopting the residual energy recovery device, the direct drive reverse osmosis seawater desalination with tidal current energy was designed. Reverse osmosis seawater desalination and tidal current power generation seawater desalination are three different schemes. Based on hydrodynamics and hydraulic transmission technology, the characteristics of subsystems and components related to the system are studied. The system theory model of three schemes is established, and the simulation analysis of the three schemes is carried out by adopting appropriate control strategy. The results show that the energy utilization ratio of direct-drive tidal energy system is higher than that of indirect drive mode. The system pressure is relatively stable, the residual energy recovery device is of great significance to the tidal current reverse osmosis seawater desalination system, the energy consumption of the system is reduced to a large extent, and the system has good pressure pulsation compensation, which makes the whole system run stably. Finally, according to the theoretical analysis results and simulation analysis, a small experimental platform for reverse osmosis seawater desalination with direct drive residual energy recovery is designed and developed.
【学位授予单位】：太原科技大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：P747;P743

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