Solar energy sea water desalination apparatus

Abstract

The invention discloses a solar seawater desalination device, comprising a solar heat-collecting tube, which is provided with an upper heat-collecting tube in addition to the regular heat-collecting tube. The hot water effluent end of the regular heat-collecting tube is communicated with an evaporator arranged above. The evaporator is provided with a condenser and a temperature sensor inside. Theupper heat-collecting tube is arranged above the evaporator and provided with a fan, the inlet of which is communicated with the steam in the evaporator through the steam outlet tube. The switch of the fan controls and is connected with the temperature sensor; the outlet of the upper heat-collecting tube is communicated with the condenser inlet through the warming up steam tube; the condenser outlet is connected with the distilled water outlet pipe; the front end of the water inlet pipe of the regular heat-collecting tube is communicated with a water level controller. The solar seawater desalination device is suitable for the seawater desalination or the concentration and separation of brackish water and other electrolyte solutions. The solar seawater desalination device has the advantagesof perfect structure, strong automatic control, high efficiency, full utilization of solar energy, power saving and large water yield.

Description

technical field [0001] The invention belongs to the technical field of seawater desalination, in particular to a seawater desalination device with solar heat collection, steam heating technology and efficient utilization of heat energy. Background technique [0002] Lack of water resources and energy crisis have greatly affected human economic development, especially in islands and desert areas, although there are abundant seawater or brackish water resources, but lack of fresh water for living or production. The use of solar energy and seawater to produce fresh water has great social, environmental and economic benefits, and is of great significance to promoting the coordinated development of human society and the environment. Chinese patents CN200988781Y and CN101117246A disclose solar-powered seawater distillation and desalination devices. In terms of the combination of solar energy and seawater desalination technology, solar energy is an energy source with low density an...

AI Technical Summary

Problems solved by technology

Chinese patents CN200988781Y and CN101117246A disclose solar-powered seawater distillation and desalination devices. In terms of the combination of solar energy and seawater desalination technology, solar energy is an energy source with low density and uneven temporal and geographical distribution. These technologies are based on direct heating of solar energy to generate steam. Most of the heat of the solar radiation is used for the latent heat of evaporation. Although the structure is simple and has good practical value, the heat utilization rate is low, which directly affects the popularization and use of the solar seawater desalination device.

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