Multi-energy complementary gas-electric coupling energy supply system
An energy supply, gas-electricity technology, applied in the field of gas-electricity coupling energy supply system, can solve the problem of lack of energy-side complementation, and achieve the effect of facilitating new energy consumption, promoting energy conservation and emission reduction, and realizing gas-electricity complementation
Pending Publication Date: 2019-09-20
上海航天智慧能源技术有限公司
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Problems solved by technology
[0005] The purpose of the present invention is to provide a multi-energy complementary gas-electric coupling energy supply system, focusing on the complementary characteristics of photovoltaic power generation, wind power generation, fuel energy and renewable energy, so as to solve the problem of lack of energy-side complementarity in the prior art, It can meet the needs of gas-electricity complementation and coordinated operation
Method used
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Embodiment 1
[0043] Such as image 3 As shown, when the wind and photovoltaic power generation is less than the power load, the biogas power generation equipment can run and generate electricity to meet the shortage of power. The calculation shows that the typical daily photovoltaic power generation is 3880kWh, wind power generation is 2906kWh, power load is 8119kWh, and biogas power generation is 1333kWh.
Embodiment 2
[0045] Such as Figure 4 As shown, when the amount of wind power and photovoltaic power generation is greater than the power load, the biogas power generation device will be shut down, and the excess power will be used to electrolyze water to synthesize methane. According to calculations, the extra power generation is 7733kWh, and the electrolysis device produces 1m 3 The actual power consumption of hydrogen is about 5kWh, which can produce H 2 About 1546.6m 3 , can synthesize methane 386.65m 3 .
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Abstract
The invention provides a multi-energy complementary gas-electric coupling energy supply system. After marsh gas is purified by a marsh gas purification device, the purified marsh gas is stored in a marsh gas storage device; then, the stored marsh gas enters into a marsh gas purifying device for separated purification, or enters into a marsh gas power generation device for power generation; purified marsh gas is merged into a natural gas pipeline network; electricity generated through the marsh gas power generation device and electricity generated by a wind power generation device and a photovoltaic power generation device are merged, then the merged electricity is introduced into a water electrolyzing device for electrolyzing water, obtained hydrogen is fed into a methane synthesizer and reacts with carbon dioxide separated from the marsh gas purifying device, and generated methane is fed into the natural gas pipeline network; unnecessary electricity is merged into a total power grid or introduced into an electric heating device for providing a heat source for a heat storage water tank; and heat energy is used for a marsh gas source after being obtained from the heat storage water tank. According to the system, gas-electric bidirectional complementary transmission of energy between the power grid and the natural gas network is realized, the ecological environment is improved, energy conservation and emission reduction are promoted, and the additional value utilization of marsh gas is increased.
Description
technical field [0001] The invention relates to a multi-energy complementary gas-electric coupling energy supply system for photovoltaic power generation, wind power generation, fuel energy and renewable energy. Background technique [0002] In recent years, the pace of energy structure adjustment at home and abroad has been accelerated, and actions to address climate change have been accelerating. The characteristics of low-carbon energy structure, intelligent production, informatization of consumption, and multi-polarization of supply and demand are more obvious. "Internet +" smart energy is to build a multi-type energy interconnection network with the power system as the hub, that is, to use Internet thinking and technology to transform the traditional energy industry, to achieve horizontal multi-energy complementarity, and vertical "source-network-load-storage" coordination, A new energy system with a high degree of integration of energy and information. [0003] At pre...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H02J3/00C12M1/00C12M1/107
CPCH02J3/00C12M21/04C12M23/36C12M43/08C12M47/12Y02E50/30
Inventor 郭甲生冯毅唐继旭刘伟唐喜庆黄鸣王重超马伟
Owner 上海航天智慧能源技术有限公司