Solar thermal power generation and seawater desalination integration results

Ministry of Science and Technology website on the 19th, Hainan Tianneng Electric Power Co., Ltd., Chinese Academy of Sciences Institute of Electrical Engineering and Beijing Sunengeng Tianyu Science and Technology Development Co., Ltd. jointly undertaken "the evaluation of solar thermal resources and trough solar thermal power generation key technology research", the equipment The basic strength, corrosion resistance and other special requirements were analyzed and tested. The solar thermal power generation and seawater desalination under the conditions of the tropical islands were carried out through the combined operation of generating electricity, energy storage and seawater desalination using the principles of solar energy and water cogeneration and energy cascade utilization. System integration demonstration and application research.

At present, the project has completed the installation and commissioning of the equipment system. The design, construction and experimental operation of the system are closely linked to the characteristics of tropical islands in Hainan. The design of the mirror field collector reflects light weight, anti-typhoon, and anti-three. Special requirements such as high temperature (high temperature, high humidity and high salt spray), and wind tunnel tests and destructive experiments against hail. After more than one month of trial operation, the seawater desalination equipment, heat collection field control system, steam generation system and safety protection monitoring system all met the design requirements, and the automatic measurement and control system achieved unattended safe operation.

This project is the first solar thermal power generation and seawater desalination system in China, representing the development direction of solar energy resource technology in the world. It provides detailed experimental data for the integration of large-scale solar energy plant integrated water and water production and seawater desalination, and is suitable for the development of the island environment for the future. The large-scale light and heat project provided strong technical support. It is of great significance for Hainan to make full use of the renewable solar energy that is rich in solar energy on the tropical islands and to solve the urgently needed electricity and freshwater issues in the island areas of Sansha City. (Reporter Guo Xiaoping)

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