Device for seawater desalination based on solar energy heat collection

A solar heat collection and seawater technology, which is applied in the fields of solar energy application and seawater desalination, can solve the problems of low efficiency and achieve the effects of reasonable system layout, strong scalability, and increased water production

Active Publication Date: 2012-11-28
HANGZHOU DIANZI UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

Moreover, in the traditional seawater desalination technology, the reverse membrane osmosis method, multi-stage flash evaporation and electrodialysis method cannot solve the high temperature heat collection of solar energy, so the efficiency of energy utilization and water production per unit area is very low.

Method used

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  • Device for seawater desalination based on solar energy heat collection

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with accompanying drawing.

[0023] Such as figure 1 As shown, a device based on solar heat collection and desalination of seawater, including a solar heat collection system, a heat transfer oil heat exchange system, a seawater desalination system and a power supply control system;

[0024] Solar heat collection system, including heat collection tank 1, heat collection oil pipe 2, second flow and thermometer 54, heat storage oil tank 55, seventh manual valve 56, sixth centrifugal pump 57, underground tank 58;

[0025] The outlet end of the heat storage oil tank 55 is connected to one end of the sixth centrifugal pump 57 through the heat collecting oil pipe 2 passing through the heat collecting tank 1, and the other end of the sixth centrifugal pump 57 is connected to one end of the seventh manual valve 56 through the heat collecting oil pipe 2. The other end of the seven manual valve is connected with...

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Abstract

The invention discloses a device for seawater desalination based on solar energy heat collection. Traditional seawater desalination technology is quite low in efficiency with respect to both energy utilization and water yield per unit area. The device of the invention comprises a solar energy heat collection system, a heat transfer oil heat exchange system, a seawater desalination system and a power supply control system; the solar energy heat collection system adopts solar energy trough-type heat collection equipment; the heat transfer oil heat exchange system and the seawater desalination system convert the heat of the heat transfer oil into direct energy for seawater desalination through a heat exchanger; the separation of saline water from fresh water is completed by multiple-effect distillation; the power supply control system supplies working voltage for the heat collection equipment, heat exchange equipment, seawater desalination equipment, all driving motors and control equipment, and controls through a control line. The invention realizes the integration of solar energy heat collection and seawater desalination, wherein the recycling of the heat transfer oil improves the utilization rate of solar energy, and the water yield per unit time is also increased greatly.

Description

technical field [0001] The invention belongs to the technical field of solar energy application and seawater desalination, and relates to a device for desalinating seawater based on solar heat collection. Background technique [0002] Fresh water is one of the basic materials for the survival and development of human society. With the rapid economic development of countries all over the world and the rapid growth and concentration of population, countries all over the world, especially China, have an increasing demand for fresh water. However, the fresh water resources on the earth are very limited, and the lack of fresh water resources has become a global problem. How to obtain fresh water is an important issue for people. Problems to be solved. my country's conventional energy is relatively tight, especially in the vast rural areas, isolated islands and other areas that generally lack conventional energy such as electricity, coal, and oil. Solar energy is a renewable ene...

Claims

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Application Information

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IPC IPC(8): C02F1/14C02F103/08
CPCY02A20/124Y02A20/142Y02A20/212
Inventor 刘光宇任海侠徐芬杨航薛安克
Owner HANGZHOU DIANZI UNIV
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