Water-gas double-working-medium energy storage method and system
A technology of energy storage system and dual working medium, which is applied in energy storage, hydropower generation, greenhouse gas reduction, etc., can solve problems such as the inability to fully release pressure potential energy, reduce power, and reduce system energy utilization, so as to improve power output and The effect of energy utilization, improving operation stability and reducing heat dissipation
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Embodiment approach 1
[0059] Embodiment 1, the inlet and the first outlet of the first three-way valve 6 are opened, the second outlet of the first three-way valve 6 is closed, the outlet and the first inlet of the second three-way valve 7 are opened, and the second three-way valve 7 The second inlet is closed, and the gas is decompressed by the throttle valve 8 and then flows into the gas buffer cabin 1 for storage;
Embodiment approach 2
[0060] Embodiment 2, when it is necessary to add gas to the system, or to improve the overall working capacity of the system, the inlet and the second outlet of the first three-way valve 6 are opened, the first outlet of the first three-way valve 6 is closed, and the second and third outlets are closed. The outlet and the second inlet of the through valve 7 are opened, the first inlet of the second three-way valve 7 is closed, the gas enters the first inlet of the ejector 9, and the gas of the atmospheric environment is sucked by the second inlet of the ejector 9 , the two gases enter the gas buffer compartment 1 after being mixed.
[0061] Under the setting working condition that the built-in pressure of the gas buffer chamber is 3MPa and the built-in pressure of the gas-liquid coexistence chamber is 4MPa, the cycle efficiency of the present invention is 64.89%.
[0062] In summary, the present invention provides a water-gas duplex energy storage method and system. In the ene...
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