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An enhanced solar desalination distiller

A distiller and solar energy technology, applied in the field of water treatment, can solve the problems of limited sun emergence time, reduced carbon cloth production capacity, slow heat conduction rate, etc., and achieve the effects of compact structure, increased temperature, and improved utilization rate

Active Publication Date: 2021-06-11
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, there are still many problems in solar stills based on slanted cores
On the one hand, carbon cloth is a good raw material for fresh water production, but with the increase of input water mass flow rate, the production capacity of carbon cloth decreases
On the other hand, some people have also studied the effect of blackened layers of different sponge thicknesses covering the absorber board. The results show that if the cloth is too thick, the heat conduction rate will be slow, resulting in a decrease in the evaporation rate; if the cloth is too thin, the seawater in the cloth will Slow transfer rate, which affects evaporation efficiency
At the same time, no matter improving the structure to increase the evaporation surface, or changing the covering material of the surface to improve the heat transfer performance, it is a direct use of solar energy, so it is very limited to the time when the sun appears

Method used

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  • An enhanced solar desalination distiller
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  • An enhanced solar desalination distiller

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] The angle between the glass roof and the horizontal plane is 20°, and the angle between the inclined plane and the horizontal plane is 10°. Steel chips, iron chips, and aluminum chips are used as the metal chip layer respectively, and the length of the metal chip is 0.1 cm, the width is 0.2cm, the filling amount is 0.5kg / ㎡, the thickness of the upper nano-cloth and the lower nano-cloth is 0.1mm, and the characteristic size of its micron or nanostructure is 40μm.

[0044] Experiments show that the thermal energy efficiency of the distiller using steel chips, iron chips, and aluminum chips as metal chip layers is 30.86%, 24.36% and 50.31%, respectively.

Embodiment 2

[0046] The angle between the glass roof and the horizontal plane is 30°, and the angle between the inclined plane and the horizontal plane is 20°. Steel chips, iron chips, and aluminum chips are used as the metal chip layer respectively, and the length of the metal chip is 0.3 cm, the width is 0.5cm, the filling amount is 1kg / ㎡, the thickness of the upper nano-cloth and the lower nano-cloth is 1mm, and the characteristic size of the micron or nanostructure is 60μm.

[0047] Experiments show that the thermal energy efficiency of the distiller using steel chips, iron chips, and aluminum chips as metal chip layers is 32.94%, 25.36% and 54.26%, respectively.

Embodiment 3

[0049] The angle between the glass top cover and the horizontal plane is 40°, and the angle between the inclined plane and the horizontal plane is 30°. Steel chips, iron chips, and aluminum chips are used as the metal chip layer respectively, and the length of the metal chip is 0.4 cm, the width is 0.8cm, the filling amount is 2kg / ㎡, the thickness of the upper nano-cloth and the lower nano-cloth is 10mm, and the characteristic size of its micron or nanostructure is 80μm.

[0050] Experiments show that the thermal energy efficiency of the distiller using steel chips, iron chips, and aluminum chips as metal chip layers is 32.03%, 24.14% and 53.25%, respectively.

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Abstract

The invention belongs to the technical field of water treatment and discloses an enhanced solar seawater desalination distiller. The distillation device comprises a distiller base, a glass top cover tightly covered on the distiller base and a sandwich cloth arranged in the distiller base, the distiller base includes an inclined plane and a liquid storage tank, and the glass top cover includes a glass top For the cover and the sump, a part of the sandwich fabric is arranged in close contact with the inclined plane, and the sandwich fabric includes an upper layer of nanometer fabric, a lower layer of nanometer fabric and a layer of metal debris. The present invention makes full use of solar thermal energy to purify water according to specific working conditions, and improves various aspects such as the structural action mechanism of the sandwich fabric on an inclined plane and its installation with other components, and correspondingly can realize heat Localization increases the temperature of localization, thereby improving evaporation efficiency, and also has the advantages of more compact structure, easy manipulation, stronger environmental adaptability and low cost of water purification.

Description

technical field [0001] The invention belongs to the technical field of water treatment such as solar desalination / purification of sewage, and more specifically relates to an enhanced solar desalination distiller. Background technique [0002] Water is very important for human survival and our economic activities, such as agriculture and industry. The increasing demand for water resources under limited resources is the most important problem facing human beings in the past century. Therefore, it is necessary to find effective ways to obtain fresh water from alternative resources such as waste water, salt water, ground, sea water, etc. [0003] Desalination of seawater is a promising technology to meet the global freshwater demand, as 97% of the water on the earth's surface is salt water. Therefore, improving the effectiveness and efficiency of desalination technologies to produce fresh water, while promising to reduce their environmental impact, is considered to be a major ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/14C02F103/08
CPCY02A20/124Y02A20/142Y02A20/212
Inventor 杨诺杨旭代浩马建强
Owner HUAZHONG UNIV OF SCI & TECH
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