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A solar desalination device

A technology of solar energy and seawater, applied in seawater treatment, general water supply conservation, water/sewage treatment, etc., can solve the problems of low heat energy utilization rate, achieve high heat energy utilization rate, reduce heat energy loss, and be suitable for general promotion and use

Active Publication Date: 2018-01-02
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a kind of solar desalination device in order to solve the problem that the current solar desalination device has a low thermal energy utilization rate, and its technical scheme is as follows:

Method used

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Embodiment Construction

[0019] refer to Figure 1 to Figure 8 , a solar seawater desalination device, which includes a solar air heating device 1, a seawater evaporation device 2 and a steam condensation recovery device 3, the air heated by the solar air heating device 1 heats the seawater to quickly evaporate the seawater, and then condenses it by steam The recovery device 3 condenses and recovers the water vapor;

[0020] The solar air heating device 1 includes an insulated box A1-1, and a heat absorbing plate 1-2 is arranged at the inner bottom of the insulated box A1-1, and the air in the insulated box A1-1 is heated by the heat absorbing plate 1-2. The inner surface of the side wall of the thermal insulation box A1-1 adopts a reflective surface, which can reflect the sunlight irradiated on the side wall to the heat-absorbing plate 1-2, and can make full use of solar energy. In the thermal insulation box A1-1 Air inlets 1-3 and air outlets 1-4 are respectively provided on the opposite sides of t...

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Abstract

The invention relates to a novel solar seawater desalting device, belongs to the field of a seawater desalting device, and is used for solving the problems of the existing solar seawater desalting device that the heat utilization rate is low. The novel solar seawater desalting device comprises a solar air heating device, a seawater evaporation device and a steam condensation recovery device, wherein air heated by the solar air heating device is used for heating the seawater, so that the seawater is rapidly evaporated, and the steam is condensed and recovered by utilizing the steam condensation recovery device. The novel solar seawater desalting device is used for desalting the seawater.

Description

technical field [0001] The invention belongs to the field of seawater desalination equipment, in particular to a solar seawater desalination device. Background technique [0002] Since the beginning of the 21st century, fresh water resources have become increasingly scarce, especially for island residents with small access to fresh water and high investment costs, making it difficult to guarantee domestic water. [0003] There are more than 6,500 large and small islands in my country, including 433 islands with permanent population (except Hainan Island, Hong Kong, Macao and Taiwan), accounting for 6% of the total number of islands, accounting for more than 98% of the total area of ​​islands, and a permanent population of 4.52 million. The amount is large. And now the country is actively developing islands and developing the tourism industry of islands, and the demand for fresh water will also increase sharply. In addition, the number of people drinking brackish water in ru...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/14C02F103/08
CPCY02A20/124Y02A20/142Y02A20/212
Inventor 石雷黄建青王可欣赵文可刘丹
Owner HARBIN INST OF TECH