Closed energy conversion remote transmission and carbon sequestration system and method by using magnesium as carrier
An energy conversion, closed-loop technology, applied in the direction of energy input, magnesium carbonate, hydrogen production, etc., can solve the problem of high cost, and achieve the effect of avoiding wind abandonment, large-scale long-distance transmission, and high quality
Active Publication Date: 2019-02-15
SHANGHAI POWER EQUIP RES INST
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Problems solved by technology
At present, it is a feasible way to produce hydrogen from renewable energy and then transport hydrogen over long distances. However, the cost is high and there are still safety issues.
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[0030] Below in conjunction with specific embodiment, further illustrate the present invention.
[0031] figure 1 The schematic diagram of the closed energy conversion remote transmission and carbon fixation system with magnesium as the carrier provided in this embodiment, the closed energy conversion remote transmission and carbon fixation system with magnesium as the carrier includes a renewable energy power plant 15, a renewable energy The power plant 15 transmits redundant power to the electrolytic magnesium plant 16, which produces magnesium and transports it to the magnesium supply device 12 at the place of use through a long-distance transportation link 17 (waterways, railways, roads, etc.). The raw material of electrolytic magnesium is magnesium chloride, which can come from the salt lake in the west.
[0032] In the supercritical carbon dioxide circulation loop, the outlet of compressor 1 is divided into two paths, one path is connected to the low-temperature side in...
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The invention provides a closed energy conversion remote transmission and carbon sequestration system by using magnesium as a carrier, and further provides a closed energy conversion remote transmission and carbon sequestration method by using magnesium as the carrier. The closed energy conversion remote transmission and carbon sequestration system comprises a subsystem for utilizing renewable energy sources to electrolyze magnesium, a magnesium and water reaction power generation and hydrogen production subsystem and a carbon sequestration subsystem. The redundant power of a renewable energysource power plant is supplied to an electrolytic magnesium plant, and magnesium produced by the electrolytic magnesium plant is transported to a use location through a long-distance transportation link. Magnesium reacts with water in a reactor to form hydrogen and magnesium oxide, and the heat of reaction is input into a supercritical carbon dioxide cycle for power generation. Magnesium reacts with water to form the magnesium oxide to a magnesium oxide carbon sequestration device, and the carbonation reaction heat in the magnesium oxide carbon sequestration device is transferred to the carbondioxide cycle for power generation. The closed energy conversion remote transmission and carbon sequestration system can consume a large amount of renewable energy sources, can realize large-scale long-distance transmission of energy, can prepare high-quality hydrogen, can fix carbon dioxide, and can supply the heat to a supercritical carbon dioxide circulating generator set.
Description
technical field [0001] The invention relates to a closed-type 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...
Claims
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IPC IPC(8): F01K27/00F01K25/10F01K7/32C25C3/04C01B3/08C01F5/24
CPCF01K7/32F01K25/103F01K27/00C25C3/04C01B3/08C01F5/24Y02P20/133Y02E60/36Y02P20/54
Inventor 郑开云黄志强
Owner SHANGHAI POWER EQUIP RES INST