Device for desalinating seawater and brackish water by solar energy and wind energy, and displacement method

A technology for desalination of brackish water and solar and wind energy, applied in chemical instruments and methods, wind power generation, seawater treatment, etc., can solve problems such as low efficiency and insufficient temperature, and achieve simple facilities, large water output, and small maintenance workload Effect

Inactive Publication Date: 2012-02-01
刘方旭
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Problems solved by technology

[0005] At present, to provide a heat source to evaporate seawater, seawater or brackish water needs to be at a higher temperature. The vacuum heat collectors commonly found in China are low temperature (less than 80°C) and produce hot water for bathing, etc., but for seawater desalination , this temperature is not enough, the efficiency is not high

Method used

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  • Device for desalinating seawater and brackish water by solar energy and wind energy, and displacement method

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Embodiment Construction

[0015] a. Heating with heat-conducting oil: multiple heat-collecting tubes 2 are installed side by side on the arc-reflected heat-collecting points of the heat-collecting plates by a plurality of arc-shaped surfaces of the solar panels.

[0016] b. Heat replacement: the high-temperature heat-conducting oil heated by solar energy in the heat-collecting tube is driven by the wind energy compressor 10 to drive the wind-driven pneumatic pump 3-① to be circulated into the heat-collecting and heat-transfer device 4, and the seawater or bittern in the heat-collecting and heat-transfer device Salt water undergoes heat conversion.

[0017] c. Transmission: The wind-powered pneumatic pump 3-② sprays high-temperature seawater or brackish water in the evaporator 5 with the nozzle 9 to obtain a large amount of water vapor.

[0018] d. Emission and residual temperature utilization: The sprayed high-concentration seawater or brackish water is transmitted by the wind-driven pneumatic pump 3-③...

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Abstract

The invention discloses device for desalinating seawater and brackish water by solar energy and wind energy, and a displacement method. The device for desalinating seawater and brackish water by solar energy and wind energy comprises multiple solar cambered reflection heat-collecting plates, heat-collecting pipes, a preheating pot, wind-powered pumps, a heat-collecting and heat-conversion device, an evaporator, a condenser and a fresh water tank. The device for desalinating seawater and brackish water by solar energy and wind energy has the advantages of simple processes, low cost, substantial energy efficiency superiority, safety, reliability, high water yield, good water quality reaching standards, reduction of a cost of product water per unit heat-collection area, simple production flow, energy-saving and environmentally friendly characteristics, convenient use and maintenance, and good applicability for utilization in fresh water-missing areas such as islands and brackish water lakes.

Description

technical field [0001] The invention relates to the technical field of comprehensive utilization of solar energy and wind energy, in particular to a desalination device and replacement method for seawater and brackish water utilizing solar energy and wind energy Background technique [0002] According to the data provided by the World Bank, my country's annual per capita water resources are about 2151 cubic meters, which is only a quarter of the world's average level, and it is one of the countries with the lowest per capita water resources in the world; The annual possession volume is only 757 cubic meters, less than a quarter of that in the South, about one eleventh of the world average, and 1,000 cubic meters lower than the national level usually defined as "water scarcity". [0003] Solar energy and wind energy are inexhaustible and inexhaustible renewable energy, clean, non-toxic, and non-environmental pollution, and water-deficient and arid regions are often areas rich ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/14F03D9/00C02F103/08
CPCY02E10/72Y02A20/124Y02A20/141Y02A20/142Y02A20/212Y02P70/50
Inventor 刘方旭
Owner 刘方旭
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