Fluorescent concentrating solar seawater desalination device

Abstract

The invention relates to a fluorescent concentrating solar seawater desalination device. The device comprises a fluorescent concentrator, a floating body, a fresh water collection tank, a black capillary tube, a condensation cavity shell, light gas, a heat insulation film, a glass cover plate, a condensation cavity and the like. When the device works, sunlight is absorbed by quantum dots of the fluorescent condenser, then is totally reflected and is transmitted to the side surface of the condenser, at the moment, the black capillary tube tightly attached to the side surface of the fluorescentcondenser absorbs the gathered light, high-temperature heat energy is generated, seawater in the capillary tube is heated and evaporated, and generated water vapor enters the condensation cavity. As the condensation cavity is filled with gas with molar mass smaller than that of water vapor, the water vapor is forced to move downwards, is condensed into fresh water after being in contact with the lower end of the black capillary tube and the inner wall surface of the condensation cavity shell, and finally flows into the fresh water collection tank. The device is light and simple in structure and convenient to install and carry, the black capillary tube can recover latent heat of condensation of water vapor, and efficient and light sea water desalination can be achieved.

Description

[0001] Technical field [0002] The invention belongs to the technical field of solar energy utilization, and in particular relates to a solar-powered seawater desalination device. Background technique [0003] The total amount of water resources in my country is 2.81 trillion cubic meters, ranking sixth in the world. However, due to the large population, the amount of fresh water for human settlements is very small, only 2,300 cubic meters, so it is the country with the most scarce water resources per capita in the world. one. On the basis of rational utilization and conservation of existing freshwater resources, how to use marine resources for seawater desalination has always been a hotly discussed topic. Traditional seawater desalination technologies, such as distillation, ion exchange, and reverse osmosis, consume large amounts of non-renewable energy. Solar energy is a kind of abundant and clean energy, which is inexhaustible and inexhaustible. Therefore, using solar ene...

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Problems solved by technology

[0005] (1) The structure is complex, the operation is cumbersome, it is not conducive to disassembly and carrying, and it is not suitable for small-scale and unitized production

[0006] (2) The concentrating device is bulky and has a low concentrating ratio. It needs to be equipped with a tracking system, and the cost of land occupation is high, which makes the device less economical

[0007

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