Mechanical vapor compression seawater desalinating device utilizing wind energy

Abstract

The invention discloses a mechanical vapor compression seawater desalinating device utilizing wind energy and belongs to the technical field of utilization of new energy sources. A water inlet pipeline connected with a seawater water inlet pump is connected with a plurality of evaporators, which are connected with one another, through a seawater heat exchanger A and a seawater heat exchanger B; freshwater water outlets of the evaporators are connected with a freshwater water outlet pipeline; the freshwater water outlet pipeline is connected to a condensed water outlet end socket through a freshwater water outlet pump and the seawater heat exchanger A; the freshwater water outlet pipeline is connected with a water supplementing mixer; the freshwater water outlet pipeline is connected to the water supplementing mixer through a water supplementing pipeline; the water supplementing mixer is connected with a mechanical vapor compressor and an evaporator respectively; the mechanical vapor compressor is connected with a wind power generation device. According to the mechanical vapor compression seawater desalinating device disclosed by the invention, the problem of wind power abandoning of islands and coastal areas and the problem of insufficient freshwater are solved; unstable wind energy is effectively utilized and produced freshwater is used for daily life of citizens; the wind energy is directly utilized, and a frequency conversion type compressor is adopted; rectification and control equipment of an electric power system is reduced.

Description

technical field [0001] The invention relates to a seawater desalination device utilizing wind energy, belonging to the technical field of new energy utilization. Background technique [0002] As one of the most mature new energy utilization methods, wind power has developed rapidly in my country in recent years, and its installed capacity ranks first in the world. However, due to the inherent randomness and intermittent nature of wind power, its large-scale grid connection endangers the safety and stability of power grid operation, and poses great challenges to grid frequency regulation and reserve capacity planning, resulting in serious wind abandonment in major wind farms. Cause huge waste of energy, seriously affect economic benefits. In response to this problem, many experts and scholars began to try a variety of methods. [0003] The Chinese invention patent "Wind Energy Utilization Method and System" (application number: 201410213980.3; announcement number: CN1040478...

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Problems solved by technology

[0004] In order to solve the defects existing in the prior art, the object of the present invention is to provide a mechanical vapor compression seawater desalination device which is portable, has good fireproof and heat insulation effects and utilizes wind energy. The device utilizes wind energy more effectively and has a lower application cost. It is compact in structure, stable in operation, flexible in installation, and can realize distributed and large-scale applications, reduce energy waste caused by inability to connect to the grid in wind-rich areas such as offshore and outlying islands, and produce fresh water needed by residents for daily life, solving the problem of traditional Poor flexibility and high energy consumption of seawater desalination system

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