Multiple focal length optothermal concentrating evaporator
A thermal evaporation and evaporator technology, applied in the field of multi-focus concentrating thermal evaporators, can solve the problems of low fresh water output, slow concentrating heat speed, and difficulty in commercialization, and achieve high energy utilization and improved work efficiency , The effect of low manufacturing cost
Pending Publication Date: 2017-08-22
ZHEJIANG UNIV
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Problems solved by technology
Solar evaporators are commonly used in solar salt water desalination technology. Traditional solar evaporators have a slow rate of concentrating heat and low freshwater output, so it is difficult to achieve commercialization.
Method used
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Embodiment Construction
[0012] The invention provides a multi-focus concentrating heat evaporator, which can be used to evaporate salt water and obtain fresh water. Such as figure 1 As shown, the evaporator has a ball-like structure and is composed of a heat-absorbing base plate 1 and a condensing spherical shell 2. The heat-absorbing base plate 1 can be made of titanium metal to prevent corrosion by salt water, and the surface is coated with absorbent Thermal coating enhances the efficiency of absorbing light and heat. An atomizing nozzle 5 is installed in the center of the heat-absorbing bottom plate 1, and a steam outlet 4 is provided on the top of the concentrating spherical shell. Such as figure 2 As shown, the condensing spherical shell 2 is formed by splicing multiple polygonal lenses 3 together. The salt water is processed into spray by the atomizing nozzle 5. After the liquid spray is irradiated by the polygon lens 3 in the evaporation cavity formed by the heat absorption base plate 1 and t...
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The invention discloses a multiple focal length optothermal evaporator. The evaporator is of a segment-like structure, and composed of an endothermic base plate and a focusing spherical shell. The focusing spherical shell is formed by multiple polygon lenses in a splicing mode; an atomized sprinkler head is installed at the center of the endothermic base plate; the top of the focusing spherical shell is provided with a steam outlet. According to the evaporator, by splicing the multiple polygon lenses, the focusing spherical shell similar to footballene is constructed, and sunlight can be received without dead angle; there is no need to install a sunlight tracking device, optothermal concentrating can be realized continuously; the atomized sprinkler head and the endothermic base plate are combined, the rapid evaporation of liquid water can be realized; the evaporator not only is low in manufacturing cost, high in energy utilization rate and continuous in water production, but also has an obvious improvement in working efficiency compared with the prior art, and has a broad market prospect.
Description
Technical field [0001] The invention relates to a multi-focus concentrating heat evaporator. Background technique [0002] Areas with abundant light and heat resources are often accompanied by serious saline-alkali water pollution, which causes great harm to local water safety. Therefore, the use of solar energy for salt water desalination is of great significance to alleviate the pollution of saline water. Solar evaporator is a commonly used method in solar salt water desalination technology. The traditional solar evaporator has slow concentrating heat speed and low fresh water output, so it is difficult to realize commercial promotion. In view of this, the patent of the present invention combines a lens with a soccer ene structure, and utilizes the rapid condensing heat effect of the lens and the non-dead-angle surface light feature of the soccer ene to quickly evaporate salt water to produce a large amount of water vapor, thereby greatly increasing the production of fresh wat...
Claims
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IPC IPC(8): C02F1/12C02F1/14
CPCC02F1/12C02F1/14Y02A20/212
Inventor 孙志林方诗标许丹纪汗青
Owner ZHEJIANG UNIV