CO2 energy storage device for realizing circular power generation by using biomass combustion

An energy storage device and cyclic power generation technology, which is applied in the direction of fuel, combustion method, combustion type, etc., which are burned in a molten state, can solve problems such as insufficient efficiency, and achieve the effects of flexible adjustment and utilization, pollution reduction, and high thermal efficiency.
CN107044634APending Publication Date: 2017-08-15长沙紫宸科技开发有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
长沙紫宸科技开发有限公司
Publication Date
2017-08-15

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Abstract

The invention provides a CO2 energy storage device for realizing circular power generation by using biomass combustion. The CO2 energy storage device is used for converting high-temperature heat energy stored energy, generated by direct absorption of the biomass combustion by a low-pressure liquid-state CO2 fluid, to a supercritical CO2 fluid, and comprises a biomass furnace, a CO2 energy storage mechanism, a check valve and an adjusting valve; the CO2 energy storage mechanism is fixed in the biomass furnace or embedded in an inner wall refractory material; the check valve and the adjusting valve are both arranged out of the biomass furnace; the check valve communicates with an inlet of the CO2 energy storage mechanism; the adjusting valve communicates with an outlet of the CO2 energy storage mechanism; and the CO2 energy storage mechanism uses a CO2 fluid as a working medium. The device locally uses a lot of renewable low-carbon biomass fuels generated in vast national countries as energy for energy storage of the low-temperature CO2 fluid as the high-pressure heat-state supercritical CO2 fluid to generate electricity for a CO2 power generating unit, and is simple in structure, low in self energy consumption, low in investment and low in operation cost.
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Description

technical field

[0001] The invention relates to the technical field of low-carbon and energy utilization equipment, in particular to a CO 2 energy storage device. Background technique

[0002] Climate change has become one of the issues affecting human survival and development, and carbon dioxide emitted by industry is considered to be the main cause of climate warming. As the largest developing country in the world, our country uses coal as its primary energy and thermal power as its secondary energy as its energy structure. With the rapid growth of economic aggregate, the CO of primary energy and secondary energy 2 Emissions are characterized by rapid growth and large volumes. In response to climate change, it has become a consensus to develop low-carbon energy, especially renewable energy and new energy. Biomass power generation and supercritical carbon dioxide power generation have received widespread attention.

[0003] At present, the existing biomass power generat...

Claims

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