Air Humidification Solution Moisture Absorbing Solar Energy Fresh Water Preparation Device and Using Method

Abstract

The invention discloses an air-moistening and solution-moisture-absorption solar fresh water production device and a use method thereof. The device comprises a sea water circulation system, an air circulation system, a solution circulation system and a vapor circulation condensation system, and mainly comprises an evaporation moistener, a solution moisture absorber, an evaporator and a condenser, so that a process that moisture is transferred to air from sea water, the moisture in the air is retransferred to a moisture absorption solution, and then fresh water extraction is conducted from the moisture absorption solution is achieved. The whole device effectively utilizes low-level heat sources such as solar energy, industrial exhaust heat or living waste heat, has a small dependence degree on electric energy, has the characteristics of high sea water production speed, larger production quantity, compact equipment, low cost, high energy utilization efficiency and the like, and is suitable for areas and occasions short of large sea water desalting equipment establishment conditions, such as unwatered islands, power-insufficient coastal non-urban areas, inland remote brackish water areas, and marine ocean transport.

Description

technical field [0001] The invention relates to a fresh water extraction technology of air humidification, solution moisture absorption and comprehensive utilization of solar energy and waste heat, and belongs to the technical field of seawater desalination and renewable energy utilization. Background technique [0002] The lack of fresh water resources has become an urgent problem to be solved around the world. Some coastal areas have extremely low per capita water resources and are in a state of extreme water shortage. The development of seawater desalination technology can alleviate the crisis of fresh water shortage to a large extent, and some relatively mature technologies have brought huge benefits to the development of society. [0003] The existing seawater desalination technologies mainly include distillation, membrane, crystallization, solvent extraction and ion exchange. Among them, the distillation method and the membrane method are the most widely used methods,...

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Problems solved by technology

These areas generally lack energy and electricity, and the infrastructure is poor. It is not suitable for the establishment of large-scale seawater desalination equipment using distillation and membrane methods. However, the amount of fresh water produced is too small and the speed is too slow when the direct utilization of solar energy with simple equipment is used. And other issues

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