Semi-closed energy-conversion remote transmission and carbon sequestration system and method taking magnesium as carrier
An energy conversion, semi-closed technology, applied in energy input, chemical instruments and methods, magnesium carbonate, etc., can solve the problem of high cost and achieve the effect of stable chemical properties
Pending Publication Date: 2019-02-22
SHANGHAI POWER EQUIP RES INST
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[0027] Below in conjunction with specific embodiment, further illustrate the present invention.
[0028] figure 1 The schematic diagram of the semi-closed energy conversion remote transmission and carbon fixation system with magnesium as the carrier provided in this embodiment, the semi-closed energy conversion remote transmission and carbon fixation system with magnesium as the carrier includes a renewable energy power plant 11, which can The renewable energy power plant 11 transmits redundant power to the electrolytic magnesium plant 12, which produces magnesium and transports it to the place of use through a long-distance transmission link 13. Magnesium chloride, the raw material for electrolytic magnesium, can come from salt lakes in the west.
[0029] In the supercritical carbon dioxide circulation circuit, the outlet of compressor 1 is divided into three routes, the first route is connected to the low-temperature side inlet of low-temperature regenerator 2, the second r...
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The invention provides a semi-closed energy-conversion remote transmission and carbon sequestration system taking magnesium as a carrier. The semi-closed energy-conversion remote transmission and carbon sequestration system taking magnesium as the carrier comprises a sub-system electrolyzing magnesium by virtue of the electric power of renewable energy sources, a sub-system enabling magnesium to be reacted with carbon dioxide, and a carbon sequestration sub-system. The redundancy electric power of a power plant adopting the renewable energy sources is provided for a magnesium electrolysis plant, and magnesium produced by the magnesium electrolysis plant is conveyed to a use place through a remote transmission link. Magnesium is reacted with carbon dioxide in a reactor to generate magnesiumoxide and carbon, and reaction heat is input to supercritical carbon dioxide and cyclically used for power generation. Magnesium is reacted with carbon dioxide to generate magnesium oxide, magnesiumoxide is supplied to a magnesium oxide carbon sequestration device, and carbonation reaction heat in the magnesium oxide carbon sequestration device is transferred to carbon dioxide and cyclically used for power generation. The invention further provides a semi-closed energy-conversion remote transmission and carbon sequestration method taking magnesium as a carrier. The semi-closed energy-conversion remote transmission and carbon sequestration system and method taking magnesium as the carrier are capable of consuming lots of the renewable energy sources, realizing large-scale remote transmission for energy, realizing high-efficiency power generation, and sequestrating carbon dioxide.
Description
technical field [0001] The invention relates to a semi-closed energy conversion remote transmission and carbon fixation system and method with magnesium as a carrier, belonging to the technical field of new energy. Background technique [0002] Today's society is experiencing an unprecedented energy revolution. On the one hand, renewable energy replaces conventional fossil energy and enters the field of industrial production and energy use in daily life. On the other hand, the carrier of energy has become more diversified. , and energetic materials are energy carriers. Energy technology is changing with each passing day, but it also brings contradictions and conflicts that cannot be ignored. The western region of my country and the three northern regions are areas rich in renewable energy such as solar energy, wind energy, and water energy. However, these new energies cannot be absorbed by the power grid. The situation of abandoning wind, light, and water is quite prominent...
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IPC IPC(8): F01K27/00F01K25/10F01K7/32F01D15/10C01B32/50C01B32/05C01F5/24C25C3/04
CPCF01D15/10F01K7/32F01K25/103F01K27/00C25C3/04C01B32/05C01B32/50C01F5/24Y02P20/129Y02P20/133Y02P20/54
Inventor 郑开云黄志强
Owner SHANGHAI POWER EQUIP RES INST