Seawater desalination system driven by combination of solar energy and ocean thermal energy
A kind of solar energy and marine technology, which is applied in the direction of generating mechanical power by solar energy, solar thermal power generation, and mechanisms for generating mechanical power. Utilization efficiency, improving energy utilization efficiency, and improving the effect of full utilization
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example 1
[0030] Such as figure 1 As shown, a seawater desalination system driven jointly by solar energy and ocean temperature difference in the present invention includes four loops of a heat source circulation loop, a power circulation loop, a cold source circulation loop and a seawater desalination loop.
[0031] The heat source circulation loop is to use the warm water pump 1 to pump out the warm seawater on the surface of the ocean, heat it through the solar collector 2, then send it to the evaporator 3 to release heat, and finally discharge it back into the ocean.
[0032] The power cycle loop is a Rankine cycle with low-boiling point organic matter as the circulating working medium, and this cycle is a subcritical or supercritical cycle. When using a subcritical cycle, the circulating working fluid can be R123, R134a, R152a, R245fa, isopentane, etc.; when using a supercritical cycle, the circulating working medium can be R143a, R218, R125, R41, CO 2 Wait. When this cycle works...
example 2
[0036] Such as figure 2 As shown, a seawater desalination system driven jointly by solar energy and ocean temperature difference in the present invention includes four loops of a heat source circulation loop, a power circulation loop, a cold source circulation loop and a seawater desalination loop.
[0037] The difference between it and Example 1 is that the installation position of the solar heat collector 2 is different. In this example, the solar heat collector 2 is installed in the middle of the evaporator 3 and the organic turbine 4 in the power cycle loop, and is arranged in the high-temperature circulating working fluid communication section .
[0038] Its heat source circulation loop is to use the warm water pump 1 to pump out the warm sea water on the surface of the ocean, then directly send it to the evaporator 3 to release heat, and then discharge it back into the ocean.
[0039] In the power cycle loop, the low-boiling-point circulating working fluid absorbs heat...
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