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Solar-energy evaporator based on capillary driving force

A solar evaporator and driving force technology, applied in solar thermal power generation, solar thermal collectors, solar thermal collectors using working fluid, etc., can solve the problems of low steam productivity, large light energy loss, and small heating surface area of ​​liquids , to achieve the effect of increasing the heating area, strengthening heat transfer, and reducing the volumetric heat capacity

Active Publication Date: 2019-05-07
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, in the devices that use solar thermal energy to generate steam, water is directly evaporated by solar radiation, the steam production rate is generally low, the light energy loss is large, the liquid heating surface area is small, and an external water pump is required to supply water

Method used

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  • Solar-energy evaporator based on capillary driving force
  • Solar-energy evaporator based on capillary driving force
  • Solar-energy evaporator based on capillary driving force

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: as figure 1 As shown, a solar evaporator based on capillary driving force includes a parabolic concentrator 1, a casing 3, and a heat-absorbing plate 8. The bottom end of the casing 3 is fixedly provided with a metal bracket 2, and the bottom end of the metal bracket 2 is fixedly arranged on On the parabolic concentrator 1, the heat absorbing plate 8 is fixed horizontally on the top inner wall of the housing 3, the top surface of the heat absorbing plate 8 is covered with a water absorbing film 9, and the top of the heat absorbing plate 8 is uniformly fixed with several microcolumns 14 and micro Column 14 is perpendicular to heat-absorbing plate 8, and micro-column 14 passes water-absorbing film 9 and the bottom of micro-column 14 is seamlessly connected with water-absorbing film 9, and the center of heat-absorbing plate 8 is provided with liquid reservoir 13, and the bottom of liquid reservoir 13 The bottom is provided with a liquid inlet pipe 4 communica...

Embodiment 2

[0035] Embodiment 2: as Figure 2~6 As shown, a solar evaporator based on capillary driving force includes a parabolic concentrator 1, a casing 3, and a heat-absorbing plate 8. The bottom end of the casing 3 is fixedly provided with a metal bracket 2, and the bottom end of the metal bracket 2 is fixedly arranged on On the parabolic concentrator 1, the heat absorbing plate 8 is fixed horizontally on the top inner wall of the housing 3, the top surface of the heat absorbing plate 8 is covered with a water absorbing film 9, and the top of the heat absorbing plate 8 is uniformly fixed with several microcolumns 14 and micro Column 14 is perpendicular to heat-absorbing plate 8, and micro-column 14 passes water-absorbing film 9 and the bottom of micro-column 14 is seamlessly connected with water-absorbing film 9, and the center of heat-absorbing plate 8 is provided with liquid reservoir 13, and the bottom of liquid reservoir 13 The bottom is provided with a liquid inlet pipe 4 commun...

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Abstract

The invention relates to a solar-energy evaporator based on a capillary driving force and belongs to the technical field of solar-energy evaporators. The solar-energy evaporator comprises a paraboloidcondenser, a housing and an absorber plate, wherein the housing is fixedly arranged on the paraboloid condenser through a metal support; the absorber plate is horizontally and fixedly arranged on theinner wall of the top of the housing; a water absorbing film is laid on the top surface of the absorber plate; a plurality of microcolumns are uniformly and fixedly arranged at the top end of the absorber plate and are perpendicular to the absorber plate; the microcolumns pass through the water absorbing film, and the bottom ends of the microcolumns are in seamless connection with the water absorbing film; a liquid storage tank is arranged in the center of the absorber plate; a liquid inlet pipe communicated with the liquid storage tank is arranged at the bottom of the liquid storage tank; the water absorbing film is in contact with a liquid in the liquid storage tank; an insulating cover is fixedly arranged at the top end of the housing; a steam opening is formed in a gap between the insulating cover and the housing; an overflow channel is formed in a space between the insulating cover and the absorber plate; a light-incident opening is formed in an opening at the bottom end of the housing; and a light beam of the paraboloid condenser passes through the light-incident opening at the bottom end of the housing to be perpendicularly incident onto the bottom surface of the absorber plate.

Description

technical field [0001] The invention relates to a solar evaporator based on capillary driving force and belongs to the technical field of solar evaporators. Background technique [0002] The development of sustainable technologies is essential to reduce human impact on the environment, and to produce fresh water from brackish or sea water, several filtration or distillation methods have been developed. Most of these processes are highly energy-intensive and powered by fossil fuels, while to combine clean water power generation with renewable energy, sustainable alternatives have recently been investigated, with solar distillation being one of the most cost-effective and practical approaches. [0003] High-performance solar steam power technology can help solve key societal issues such as seawater desalination or disinfection. At present, in devices that use solar thermal energy to generate steam, water is directly evaporated by solar radiation, the steam production rate is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B1/00F24S23/71F24S70/12F24S70/25F24S80/65F24S10/60
CPCY02E10/44
Inventor 焦凤李成喆陈洋何永清
Owner KUNMING UNIV OF SCI & TECH