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A system and process for storing electrical energy

A technology for storing electric energy and technology, which is applied in the field of electric energy storage systems, can solve problems such as difficult wind, difficult storage and grid connection, and achieve the effect of alleviating the relationship between supply and demand and solving large-scale storage problems

Active Publication Date: 2019-03-15
SINOPEC ENG +1
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Problems solved by technology

[0009] The purpose of the present invention is to provide a system and process for storing electric energy, which can solve the problem of large-scale storage of electric energy generated by wind and solar energy and other excess electric energy that are difficult to store and grid-connected, and at the same time solve the problem of exhaust gas from industrial enterprises. The processing of resources and the integration and recycling of resources

Method used

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  • A system and process for storing electrical energy
  • A system and process for storing electrical energy

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Embodiment

[0057] Such as figure 1 and figure 2 As shown, M=3.0 containing CO 2 , CO industrial tail gas, after dedusting and purification treatment, is pressurized and sent to 1# raw material heater 20 through carbon oxide gas compressor 34, and the purified gas after preheating passes through hydrolysis reactor 32, fine desulfurization reactor 31, deoxidation, After the denitrification reactor 30, the obtained purified gas has a sulfur content of 65ppb, a nitrogen content of 150ppm, and an oxygen content of 270ppm.

[0058] The wind power that is difficult to store and grid-connected is rectified by the AC / DC rectifier 35 and introduced into the manganese salt solution electrolytic cell 21 . The manganese salt solution electrolytic cell 21 obtains metal manganese, and the precipitated metallic manganese reacts with dilute sulfuric acid in the manganese dilute acid reaction device 36 to generate a large amount of hydrogen and manganese salt solution. The storage tank 37; the hydroge...

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Abstract

The invention discloses an electric energy storage system and process based on methanation reaction. A carbonic oxygen compound purifying system, a gas generating system, a methanation system, a steam heating system of the methanation system and a product separating system are involved in the system and method. Compared with the prior art, the system and process can achieve large-scale storage of electric energy which is generated from wind energy and solar energy and difficult to store or connect to the grid, and meanwhile treatment of industrial enterprise tail gas and comprehensive and cyclic utilization of resources are achieved.

Description

technical field [0001] The present invention relates to a system and process for storing electrical energy. Background technique [0002] At present, more than 70% of carbon emissions come from coal combustion, and then come from oil, natural gas, cement and other industries in descending order. This not only brings about the global greenhouse effect and frequent occurrence of extreme weather, but also wastes a lot of energy. resource. In addition, due to the bottleneck of access to the Internet, my country's wind power and solar energy seriously restrict the development of wind power and solar energy industries. A large loss of electric energy and loss of equipment and line network in the long term. The increasingly serious environmental problems caused by carbon emissions, the recycling of resources, and the improvement of energy efficiency have prompted people to seek solutions to these problems. [0003] According to incomplete statistics, my country's current cumulati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J15/00
CPCY02E60/36Y02E70/30Y02P10/20Y02P90/50
Inventor 张旭戴文松王子宗蒋荣兴
Owner SINOPEC ENG
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