Solar-powered seawater desalination device

A solar energy technology, applied in the field of solar energy utilization and seawater desalination, can solve the problems of seawater desalination efficiency and inability to work at night, achieve rapid and convenient heat storage process, avoid large deformation, and improve thermal conductivity.

Active Publication Date: 2019-12-03
JIANGSU UNIV
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  • Application Information

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Problems solved by technology

[0004] In order to solve the technical problems of the seawater desalination efficiency of the solar seawater desali

Method used

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  • Solar-powered seawater desalination device

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Embodiment Construction

[0015] The technical solution of the present invention will be described in more detail below in conjunction with the accompanying drawings.

[0016] Such as figure 1 As shown, a kind of solar seawater desalination device provided by this embodiment includes a heat transfer oil tank 13, a solar vacuum heat collecting tube 1, a seawater evaporation device 3 and a heat storage device 8, and the outer tube of the solar vacuum heat collecting tube 1 is a glass tube , the inner tube is a metal tube, and the outer wall of the inner tube is coated with a selective absorbing coating, such as figure 2 As shown, the part of the heat transfer oil circulation pipeline 14 in the seawater evaporation device 3 and the heat storage device 8 is arranged in a serpentine shape, and the steam heat exchange tube 9 in the heat storage device 8 Some are arranged in a serpentine shape. The heat-conducting oil tank 13 is equipped with a heat-conducting oil circulation pipeline 14, and the heat-cond...

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Abstract

The invention discloses a solar-powered seawater desalination device. The solar-powered seawater desalination device includes a heat conduction oil tank, a solar vacuum heat collecting pipe, a seawater evaporation device and a heat storage device, the heat conduction oil tank is provided with a heat conduction oil circulation pipeline, the heat conduction oil circulation pipeline penetrates through the solar vacuum heat collecting pipe, the seawater evaporation device and the heat storage device in turn and then back flows to the heat conduction oil tank, the seawater evaporation device is internally filled with seawater, a glass cover plate is mounted above the seawater evaporation device, an extraction fan is mounted on the upper part side wall of the seawater evaporation device, a steamheat exchange pipe is mounted at the output end of the extraction fan, the steam heat exchange pipe is connected with a distilled water storage tank after penetrates through the heat storage device,and the heat storage device is internally provided with a thermal phase change material; and a heat pipe is arranged between the heat storage device and the seawater evaporation device. According to the solar-powered seawater desalination device, the problems of low energy utilization ratio and difficult to work at night of current solar desalination devices can be solved.

Description

technical field [0001] The invention relates to the fields of solar energy utilization and seawater desalination, and relates to a solar energy desalination system and device, in particular to a seawater evaporation system that utilizes phase-change energy storage materials to store energy and can work at night. Background technique [0002] Insufficient fresh water supply is a serious problem facing our country. In order to increase the supply of fresh water, in addition to adopting conventional measures, such as water diversion nearby or cross-basin water diversion, a favorable way is to desalinate seawater or brackish water nearby, especially This method is more suitable for those areas with scattered and remote water consumption. There are many methods for desalination of seawater or brackish water, but conventional methods, such as distillation, ion exchange, dialysis, reverse osmosis membrane and freezing, consume a lot of fuel or electricity. [0003] Due to its simp...

Claims

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Application Information

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IPC IPC(8): C02F1/14C02F103/08
CPCC02F1/14C02F2103/08Y02A20/142Y02A20/212Y02A20/124
Inventor 屈健王志昊孙芹商璐周智程关凤渤
Owner JIANGSU UNIV
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