Wave energy and solar energy seawater desalination and salt production apparatus

Abstract

The invention discloses a wave energy and solar energy seawater desalination and salt production apparatus, which comprises an energy capture device, an energy storage voltage stabilization device, areverse osmosis device and a residual energy recovery device, wherein the energy capture device, the energy storage voltage stabilization device, the reverse osmosis device and the residual energy recovery device are sequentially connected through pipelines, the energy storage voltage stabilization device comprises M stages of energy storage voltage stabilization pipelines sequentially arranged side by side, the inlet ends of the two adjacent stages of the energy storage voltage stabilization pipelines are connected by connecting pipes, various connecting pipes form a N-stage connecting pipe,each stage of the connecting pipe is provided with a sequence valve, the outlet ends of the M stages of the energy storage voltage stabilization pipelines are collected to a voltage stabilization water outlet total pipe, pressure stabilized seawater is input into the reverse osmosis device through the voltage stabilization water outlet total pipe, each stage of the energy storage voltage stabilization pipeline is provided with an energy storage device and a pressure reducing valve, and the set output pressures of the M pressure reducing valves of the M stages of the energy storage voltage stabilization pipelines are sequentially increased. Compared with the apparatus in the prior art, the apparatus of the present invention has advantages of stable water production and energy saving.

Description

Technical field [0001] The invention relates to the field of seawater desalination, in particular to a device for seawater desalination and salt production by wave energy and solar energy. Background technique [0002] The lack of fresh water resources in the world has become a growing concern. According to the latest statistics, more than 2 billion people in the world lack fresh water resources. By 2025, more than 4 billion people will lack fresh water. The shortage of fresh water is a problem that affects billions of people today. At the same time, with the continuous improvement of industrialization and urbanization, coastal land resources are becoming more and more tense. The traditional sea salt industry has low utilization rate of land area, large influence of climate factors, and low profit output. The problems of low output value are becoming more obvious. The area of ​​salt fields will continue to decrease in the future. , Haiyan industry's technological innovation is ...

AI Technical Summary

Problems solved by technology

The main disadvantages of current seawater desalination and salt production technology are: high energy consumption, negative impact on aquatic organisms from the discharge of polluted high-concentration brine, environmental pollution from the use of fossil fuels, and the use of fossil fuels to drive hydraulic pumps to pressurize seawater At the same time, it is necessary to convert the thermal energy of fossil fuels into electrical energy first, and then use the electrical energy to drive the hydraulic pump and convert it into hydraulic energy, and the number of energy conversions is large.

Like other new energy sources, wave energy and solar energy are renewable resources, inexhaustible, especially wave energy has the characteristics of high energy density; Using local materials reduces the cost of transportation and power generation equipment. Secondly, it occupies a small area and saves land costs. However, wave energy also has the disadvantages of high pulsation and instability, and solar energy is also greatly affected by climate. Shortcomings

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