Solar power generation system
A power generation system, solar technology, applied in the energy field, can solve the problems of energy quality degradation, lack of thermochemical energy storage technology, and power consumption
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Embodiment 1
[0052] This embodiment provides a solar power generation system, which has a medium flow path 15 for accommodating the circulation of the medium in the solar power generation system. The medium flow path 15 includes a first loop 151 and a second loop 152 .
[0053] In the present invention, the first loop 151 is used as the heat transfer medium flow path of the heat transfer cycle of the solar power generation system, and the second loop 152 is used as the working medium flow path of the power cycle of the solar power generation system.
[0054] Correspondingly, the medium serves as the heat transfer medium in the first circuit 151 , and the medium serves as the working medium in the second circuit 152 .
[0055] The first circuit 151 communicates with the solar heat absorber 1 and the first heat storage / radiation unit 2,
[0056] The first heat storage / radiation unit 2 is arranged downstream of the flow path of the solar heat absorber 1, and utilizes an endothermic reaction o...
Embodiment 2
[0109] The second embodiment of the present invention also relates to a solar power generation system based on MgNa2(CO3)2 / MgO-Na2CO3 energy storage, which is different from the first embodiment in that the arrangement of the Brayton cycle is different.
[0110] Preferably, the Brayton cycle system 17 is any one of a simple Brayton cycle system, a recompressed Brayton cycle system, a recompressed partially cooled Brayton cycle system or a recompressed intercooled Brayton cycle system.
[0111] The selection and coordination of different Brayton cycle systems 17 improve the overall operating efficiency. For example, the difference between the recompression partial cooling Brayton cycle system and the recompression intercooling Brayton unit and the recompression Brayton cycle system is that, The overall efficiency is improved and it is suitable for systems with larger pressure ratios.
[0112] figure 2 Included in the system shown is a recompression Brayton cycle system. The d...
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