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Efficient solar vapor generator based on interface evaporation

A technology of solar steam and generator, which is applied in the steam generation method utilizing solar energy, steam generation, steam generation method, etc., which can solve the problems of unfavorable steam collection and utilization, affecting the incident and absorption of sunlight, etc., to optimize the water supply rate and reduce the The effect of external heat loss and convenient use

Inactive Publication Date: 2019-04-16
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, the design of the diffusion and overflow structure from the light-absorbing surface is not conducive to the collection and utilization of steam. On the other hand, the steam will condense in the air to form water mist, which seriously affects the incidence and absorption of sunlight.

Method used

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  • Efficient solar vapor generator based on interface evaporation
  • Efficient solar vapor generator based on interface evaporation
  • Efficient solar vapor generator based on interface evaporation

Examples

Experimental program
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Effect test

Embodiment 1

[0030] Such as figure 1 and figure 2 As shown in a high-efficiency solar steam generator, the entire solar evaporator is sealed in a plastic container 7, the container 7 is wrapped with a side wall insulation material 5, the transparent cover plate 1 is located on the top of the steam generator, and the light-absorbing plate 2 and The upper opening of the container 7 is sealed and connected, the bottom of the light-absorbing plate 2 is connected to the porous evaporator 3, the lower part of the porous evaporator 3 is connected to the capillary material 6 immersed in the water 8, and the floating heat insulating material 4 connects the porous evaporator 3 to the water 8 at the bottom of the container 7 Separated, the water 8 at the bottom is transported upwards to the porous evaporator 3 through the capillary material 6, is heated and evaporated, and the generated steam is discharged through the side steam outlet pipe 9.

[0031] In this embodiment, the transparent cover plat...

Embodiment 2

[0036]Compared with Example 1, most of them are the same, except that in this example, the transparent cover plate 1 is made of high borate glass, the light absorbing plate 2 is made of black chrome-plated light absorbing plate, and the porous evaporator 3 is made of porous carbon foam , capillary material 6 adopts cotton cloth.

Embodiment 3

[0038] Compared with Example 1, most of them are the same, except that in this example, the transparent cover plate 1 is made of high borate glass, the light-absorbing plate 2 is made of a solar light-absorbing plate coated with blue titanium coating on the surface, and the porous evaporator 3 is made of porous glass. Carbon foam, capillary material 6 adopt cotton.

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Abstract

The invention relates to an efficient solar vapor generator based on interface evaporation. The vapor generator comprises a container, water, a floating heat insulating material, a multi-hole evaporator, a light absorbing plate, and a capillary material, wherein the upper portion of the container is provided with an opening and covered with a transparent cover plate, the water, the floating heat insulating material, the multi-hole evaporator and the light absorbing plate are sequentially contained in the container from bottom to top, the capillary material penetrates through the floating heatinsulating material, one end of the capillary material is arranged in water, and the other end of the capillary material is connected with the multi-hole evaporator. A vapor outlet pipe connected withthe outside is led out of the interior of the multi-hole evaporator in the side direction. Compared with the prior art, the solar vapor generator has efficient solar photo-thermal conversion efficiency, vapor of 100 DEG C can be generated under low illumination intensity and normal pressure can be achieved, and the solar vapor generator has the advantages of being high in heat response speed, simple in structure, stable in operation, and capable of collecting the vapor easily.

Description

technical field [0001] The invention belongs to the technical field of solar steam generators, and relates to a high-efficiency solar steam generator based on interface evaporation. Background technique [0002] With the rapid development of modern society and the rapid growth of the global population, traditional fossil energy continues to be consumed, and people's demand for energy continues to increase, leading to more and more serious global energy crisis and environmental crisis. In order to realize the sustainable development of human society, it is imminent to accelerate the development and efficient utilization of renewable energy. [0003] As a clean, pollution-free, inexhaustible renewable energy source with high radiant energy, solar energy has been widely used in solar water heaters, solar thermal power stations, solar photovoltaic power stations and other fields. Solar thermal utilization is the simplest, most economical and most efficient utilization method. ...

Claims

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Application Information

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IPC IPC(8): F22B1/00
CPCF22B1/006
Inventor 陶鹏邓涛常超付本威宋成轶尚文
Owner SHANGHAI JIAO TONG UNIV
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