Seawater desalination system and desalination method based on solar energy

A technology of solar energy and seawater, applied in the field of seawater desalination system based on solar energy, can solve the problems of low economic efficiency of fresh water and high cost of solar power generation, and achieve the effects of avoiding energy loss, huge income, and preventing the generation of pollutants

Active Publication Date: 2020-03-27
XI AN JIAOTONG UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

Due to the relatively high cost of solar power generation at this stage, it is not economical to use solar power to drive the dialysis process to produce fresh water

Method used

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  • Seawater desalination system and desalination method based on solar energy
  • Seawater desalination system and desalination method based on solar energy
  • Seawater desalination system and desalination method based on solar energy

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Embodiment Construction

[0044] The following will refer to the attached figure 1 To attach Image 6 Specific examples of the present invention are described in more detail. Although specific embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and is not limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0045] It should be noted that certain terms are used in the specification and claims to refer to specific components. Those skilled in the art should understand that they may use different terms to refer to the same component. The specification and claims do not use differences in nouns as a way of distinguishing components, but use differences in functions of components as a criterion for distinguishing. "Includes" or "comprises" mentioned thro...

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Abstract

The invention discloses a seawater desalination system and desalination method based on solar energy. In the desalination system, a second reaction tank is connected with a first reaction tank througha positive ion selective nano-film, an outer pipeline is provided with a first valve for controlling liquid flow, the volumes and concentrations of seawater in the first reaction tank and the secondreaction tank are the same, a first electrode and a second electrode are connected through a first external circuit, a pump is communicated with the second reaction tank and a third reaction tank so as to pump a seawater solution without the positive ion salt from the second reaction tank into the third reaction tank, a fourth reaction tank is connected with the third reaction tank through a negative ion selective nano-film, the third reaction tank is connected with the fourth reaction tank through a second outer pipeline, the second outer pipeline is provided with a third valve for controlling liquid flow, the third reaction tank and the fourth reaction tank have the same seawater solution volume and concentration, the third electrode and the fourth electrode are connected through a second outer circuit, and the fourth reaction tank is provided with a liquid output pipeline.

Description

technical field [0001] The invention relates to the technical field of seawater desalination, in particular to a solar energy-based seawater desalination system and desalination method. Background technique [0002] The scarcity of water resources seriously affects the sustainable development of society and the steady economic growth. One of the most effective ways to solve the shortage of fresh water resources is seawater desalination technology, that is, the process of removing salt in seawater to obtain fresh water, also known as seawater desalination. Seawater desalination methods mainly include distillation (multi-stage flash evaporation, multi-effect evaporation, compressed air distillation), membrane method (reverse osmosis method and electrodialysis method), crystallization method (freezing method and hydrate method), solvent extraction method and ion exchange method, etc. At present, distillation and reverse osmosis are the most widely used methods, but the salt s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/44C02F103/08
CPCC02F1/44C02F2103/08C02F2201/002Y02A20/124B01D61/422B01D61/46C02F1/4604C02F1/46104C02F2201/46115C02F2201/46165C02F2303/10C02F1/4693Y02W10/30B01D2313/367B01D69/02B01D2325/02B01D2325/04B01D2325/42C02F2201/4611C02F2201/46145
Inventor 屈治国刘倩田地
Owner XI AN JIAOTONG UNIV
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