A Distributed Energy Supply System Using Carbon Dioxide as Working Fluid
A carbon dioxide, distributed technology, applied in the field of energy storage technology and distributed energy supply, can solve the problems of insufficient development and utilization of carbon dioxide, and achieve the effect of improving energy utilization efficiency, reducing energy loss and high density
Active Publication Date: 2015-12-30
INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
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But on the whole, the current development and utilization of carbon dioxide is not enough
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[0024] In the following, the present invention will be further clarified with reference to the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and not to limit the scope of the present invention. After reading the present invention, those skilled in the art will understand various aspects of the present invention. Modifications in equivalent forms fall within the scope defined by the appended claims of this application.
[0025] Such as figure 1 As shown, the distributed energy supply system using carbon dioxide as the working medium of the present invention consists of a carbon dioxide supplier 1, a carbon dioxide supply end switch valve 2, a carbon dioxide supply end filter 3, a carbon dioxide supply end check valve 4, and a carbon dioxide supply end stable Compressor 5, carbon dioxide energy storage unit motor 6, boost pump 7, carbon dioxide energy storage unit filter 8, carbon dio...
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The invention relates to a distributed energy supply system employing carbon dioxide as a working medium. The distributed energy supply system mainly comprises a carbon dioxide supply device, a booster pump, a carbon dioxide storage device, a preheater, a heater, a turbine, a generator, a pre-cooler, a cooler, a motor, a compressor, a condenser, an expander, an evaporator, a heat storage device, a cold storage device and the like. The system has the advantages that on the basis of a Rankine cycle and an electric compression refrigeration cycle, energy storage can be realized by effectively utilizing redundant electric energy, and electric energy, cold energy and heat energy are provided when a user has an energy requirement. According to different requirements of the user on the electric energy, the heat energy and the cold energy, the system is capable of flexibly regulating the output of the energy, so that the balance between energy supply and energy need is realized. According to the system, renewable energy sources can serve as energy sources; in the operating process, fuel is not consumed, and a pollutant is not generated; the system has better benefits of environmental protection and energy conservation.
Description
Technical field [0001] The invention relates to the field of energy storage technology and distributed energy supply technology. Specifically, it is based on Rankine cycle and electric compression refrigeration cycle, with carbon dioxide as the working medium, and surplus electric energy or surplus wind energy and solar energy as the main energy Source, use energy storage technology to complete energy storage, which can realize a distributed energy supply system that supplies electricity, cold and heat at the same time. Background technique [0002] Distributed energy supply system is an important way to realize the effective use of energy. Electricity, heat, and cooling are the main forms of energy supply for distributed energy supply system. With the development and progress of society and the increase in population, people's demand for electricity, heat, and cold is getting higher and higher, and the changes in demand for electricity, heat and cold over time become more and mo...
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IPC IPC(8): F01K23/02F01K25/10F25B25/00
Inventor 张远洪慧杨科李雪梅徐建中
Owner INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI