Steam generator based on surface local light heat conversion

A steam generating device and light-to-heat conversion technology, which is applied in the field of solar light-to-heat conversion, can solve the problems that heat preservation technology has not been studied in depth, and achieve the effects of reducing heat loss, improving efficiency, and efficient utilization

Active Publication Date: 2018-01-19
GUILIN UNIV OF ELECTRONIC TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the technology of using nano-plasma or black materials as light-absorbing materials to realize local va...

Method used

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  • Steam generator based on surface local light heat conversion

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Embodiment 1

[0029] Such as figure 1 Shown is a steam generating device based on surface localized light-to-heat conversion, which includes a water container 3 with a cover and a foam heat insulation board 2 fixed on the cover of the water container 3 from bottom to top. The top of the foam heat insulation board 2 is provided with a groove, and the bottom of the groove is provided with a base water-transporting material layer 5, and above the base water-transporting material layer 5 is provided with a light-absorbing material layer 1, and also includes a water-transporting channel 4. The lower end of the channel 4 is submerged below the liquid level of the water container 3 with a cover, and the upper end of the water delivery channel 4 runs through the cover of the water container 3 and the foam insulation board 2 from bottom to top, and then communicates with the top concave of the foam insulation board 2. The base water-transporting material layer 5 of the groove provides moisture to th...

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Abstract

The invention discloses a steam generator based on surface local light heat conversion. The steam generator comprises a water container with a cover and a foam heat-insulating board fixed on the coverof the water container from bottom to top; a groove is formed in the top of the foam heat insulating plate, a basement water delivering material layer is arranged at the bottom of the groove, and a light-absorbing material layer is arranged above the basement water delivering material layer; and a water delivering channel is further included. According to the steam generator based on surface local light heat conversion, the cheap heat insulating foam plate is adopted as a heat resistance material, heat energy converted from solar energy is efficiently utilized, and the heat energy is used forproducing of 'interface light-heat steam', the conversion efficiency of the solar light-heat steam is improved, the light-heat steam efficiency can reach 91.2% and efficient steam is produced, the evaporation rate is 1.33 kg m<-2>h<-1>, the steam generator based on surface local light heat conversion can be used in sewage purification, seawater desalination and the like.

Description

Technical field: [0001] The invention relates to the technical field of solar photothermal conversion, in particular to a steam generating device based on surface localized photothermal conversion. Background technique: [0002] As one of the technologies for solar energy utilization, solar photothermal conversion technology has the advantages of high efficiency, greenness, and sustainability, and has attracted extensive attention in the field of new energy. There are two major technical difficulties in the utilization of solar photothermal steam, one is how to efficiently convert light energy into heat energy, and the other is how to effectively use the collected heat energy. [0003] The traditional solar thermal utilization technology mainly uses light collectors (heat collecting tubes, heat collecting chambers) to convert light energy into heat energy, and the plate body heats up and conducts heat energy to the working medium to achieve the effect of heating the working ...

Claims

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Application Information

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IPC IPC(8): F22B1/00F24S70/10C01B32/05
CPCY02A20/142Y02E10/40Y02P20/10Y02P20/133
Inventor 苗蕾刘朋飞邓梓阳周建华苏珲
Owner GUILIN UNIV OF ELECTRONIC TECH
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