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Solar-driven salt extraction evaporator

An evaporator and solar energy technology, which is applied in general water supply saving, chemical instruments and methods, water/sludge/sewage treatment, etc., can solve the problems of poor evaporator stability and low light-to-heat conversion efficiency, and achieve stable desalination performance Effect

Pending Publication Date: 2022-04-29
DONGGUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the technical problems of poor stability and low light-to-heat conversion efficiency of existing evaporators, and provides a solar-driven salt extraction evaporator
Coating method adopts dipping method

Method used

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  • Solar-driven salt extraction evaporator
  • Solar-driven salt extraction evaporator
  • Solar-driven salt extraction evaporator

Examples

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specific Embodiment approach 1

[0030] Specific Embodiment 1: In this embodiment, a solar-driven salt extraction evaporator includes an absorber 2, a water channel 4, a thermal insulation layer 3 and a water storage 1, wherein the absorber 2 covers the water storage 1 Above, the heat insulating layer 3 is arranged between the liquid surface of the water storage and the absorber 2 , and the water channel 4 is arranged inside the water storage 1 , and the water channel 4 passes through the heat insulating layer 3 and the absorber 2 .

specific Embodiment approach 2

[0031] Embodiment 2: This embodiment is different from Embodiment 1 in that: the material of the absorber 2 is glass fiber coated with polypyrrole. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0032] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the diameter of the absorber 2 is 6 cm. Others are the same as in the first or second embodiment.

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Abstract

The invention discloses a solar-driven salt extraction evaporator, and relates to the field of photothermal conversion. The technical problems that an existing evaporator is poor in stability and low in photo-thermal conversion efficiency are solved. The evaporator comprises an absorber, a water channel, a heat insulation layer and a water storage device, the absorber covers the water storage device, the heat insulation layer is arranged between the liquid level of the water storage device and the absorber, the water channel is arranged in the water storage device, and the water channel penetrates through the heat insulation layer and the absorber. According to the one-way salt water flowing structure, salt crystals appear on the edge, and finally stable desalting performance is achieved. The method is used for salt extraction.

Description

technical field [0001] The invention relates to the field of photothermal conversion, in particular to a solar-driven salt extraction device. Background technique [0002] With the development of the economy and the increase of the population, the human demand for water resources continues to increase, and they are faced with the shortage of fresh water resources and energy. 71% of the earth's surface is covered by oceans, but seawater is not directly drinkable, and solar energy, as a renewable energy source, has drawn attention to the use of clean and efficient solar energy to implement photothermal evaporation for seawater desalination. The solar water purification device is a device that purifies salt water and sea water into fresh water. The traditional solar distillation technology will cause unnecessary heating of the water body, and most of the energy will be radiated in other ways during the heating process, resulting in low light-to-heat conversion efficiency. [...

Claims

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Application Information

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IPC IPC(8): C02F1/04C02F1/14C01D3/06
CPCC02F1/14C02F1/043C01D3/06C02F2001/5218Y02A20/212
Inventor 楚家玉于桢冯乐军宋金刚王择颖翟子锋陈逸飞刘湘虹
Owner DONGGUAN UNIV OF TECH
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