High-efficiency solar photo-thermal tower-type electricity generation and seawater desalinization integral system
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A technology of solar heat collection and solar energy, applied in the field of solar energy applications, to achieve the effects of reducing thermal energy changes, small heat dissipation ratio, and improving thermal energy utilization efficiency
Inactive Publication Date: 2012-02-08
HANGZHOU DIANZI UNIV
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[0006] At present, there is no report on the integrated system of high-efficiency solar power generation and seawater desalination based on heliostat concentrating technology
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[0017] The present invention will be further described below with reference to the schematic diagrams.
[0018] like figure 1 As shown in the figure, the high-efficiency solar thermal tower power generation and seawater desalination integrated system includes four subsystems: solar heat collection system, heat transfer working medium circulation system, power generation system and seawater desalination system, including heliostat 1, positioning 2, heat absorber 3, heat absorber support tower 4, heat transfer working fluid circuit 5, first pump 6, first flow valve 7, sea water heater 8, steam generator 9, steam circuit 10, second flow rate Valve 11, Turbogenerator 12, Power Grid 13, Cold Sea Water Pipeline 14, Second Pump 15, Fresh Water Pipeline 16, Third Pump 17, Brine Pipeline 18, Fourth Pump 19, Multistage Flash Evaporation Plant 20, Third Pump Flow valve 21.
[0019] The connecting line between the axial direction of the center of the heliostat 1 and the axial direction ...
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Abstract
The invention discloses a high-efficiency solar photo-thermal tower-type electricity generation and seawater desalinization integral system, and in the prior art, a mass of non-renewable energy resources are consumed. The integral system provided by the invention comprises a solar thermal collection system, a heat transfer working substance circulating system, an electricity generating system and a seawater desalinization system, and particularly comprises a heliostat, a localizer, a heat absorber, a heat absorber support tower, a heat transfer working substance loop, a pump, a seawater heater, a steam generator, a steam loop, a turbine generator, a power grid, a cold seawater pipeline, a fresh water pipeline, a strong brine pipeline, multilevel flashing equipment and a flow valve, wherein the heat transfer working substance loop and the steam loop are enclosed, and the loop of the seawater desalinization system for generating freshwater is in an open type. The integral system provided by the invention has the advantages of high-efficiency and rapid heat collection function and stability in production of supplying heat, generating electricity and desalinizing seawater; and compared with conventional energy resources, the solar energy is renewable, environmentally-friendly, cost-free and common.
Description
technical field [0001] The invention belongs to the field of solar energy application, and in particular relates to a high-efficiency solar thermal tower power generation and seawater desalination integrated system. Background technique [0002] Traditional power generation technology and seawater desalination technology need to consume a lot of non-renewable energy, which mainly comes from fossil fuels such as coal and oil. The limited reserves of fossil fuels and the pollution and greenhouse gas effects of their combustion products on the environment make human beings face the dual pressures of shortage of fossil fuels and environmental degradation. In order to reduce environmental pollution and the greenhouse effect, and also to ease the pressure of the shortage of fossil fuels, human beings must gradually abandon the energy structure dominated by coal and oil. [0003] Solar energy is a renewable energy with the advantages of unlimited reserves, ubiquitous existence, cl...
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