CN215294851U - Multi-energy complementary system based on biogas - Google Patents
Multi-energy complementary system based on biogas Download PDFInfo
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- CN215294851U CN215294851U CN202120007700.9U CN202120007700U CN215294851U CN 215294851 U CN215294851 U CN 215294851U CN 202120007700 U CN202120007700 U CN 202120007700U CN 215294851 U CN215294851 U CN 215294851U
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- 230000000295 complement effect Effects 0.000 title claims abstract description 22
- 239000007789 gas Substances 0.000 claims abstract description 28
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000010248 power generation Methods 0.000 claims abstract description 17
- 239000002918 waste heat Substances 0.000 claims abstract description 10
- 238000011084 recovery Methods 0.000 claims abstract description 8
- 238000000855 fermentation Methods 0.000 claims abstract 2
- 238000004519 manufacturing process Methods 0.000 claims abstract 2
- 238000004146 energy storage Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000003546 flue gas Substances 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- 230000004151 fermentation Effects 0.000 claims 1
- 239000002351 wastewater Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 abstract 1
- 239000013589 supplement Substances 0.000 abstract 1
- 239000002028 Biomass Substances 0.000 description 6
- 238000011161 development Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 239000003345 natural gas Substances 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a complementary system of multipotency based on marsh gas, this system include the electric wire netting, photovoltaic power generation device, the battery, the electric refrigerator, air source heat pump, the gas turbine allies oneself with supplies the unit, gas boiler, waste heat recovery boiler, heat transfer device etc. satisfy the demand of the cold and hot electricity tripartite of user. The biogas generated by anaerobic fermentation treatment of garbage and sewage is utilized to drive a biogas generator set to generate electricity and photovoltaic power generation to meet the electrical load, the insufficient power is supplemented by a power grid, an electric refrigerator supplies cold load to the system, the waste heat of a gas boiler and a co-generation unit meets the heat demand of a user through a heat exchange device, and an air source heat pump converts low-grade energy in the air into available heat or cold at proper time by utilizing a small amount of electric energy to supplement a part of load demand. The system can be arranged in an industrial park, the biogas power generation technology provides clean energy, the park pollution discharge residual energy can be reasonably and efficiently utilized, the carbon emission of a co-production system is reduced, the environment is protected, and certain economic benefit is brought to the system.
Description
Technical Field
The utility model relates to a marsh gas electricity generation and the complementary field of multipotency, in particular to multipotency complementary system based on marsh gas.
Background
Energy is an important material basis for human survival and social development. Since the 21 st century, the world economy has rapidly developed and energy consumption has increased. At present, fossil energy such as petroleum, coal, natural gas and the like is still the main form of human energy utilization in the global scope, and in order to meet the increasing energy demand of the human society, non-renewable fossil energy is exploited and utilized in large quantities, which gradually leads to the energy crisis problem. The excessive development and utilization of fossil energy also bring about a series of environmental deterioration problems, such as air pollution, acid rain, water resource pollution, global climate warming and the like. Environmental degradation has made human development of food supply, health and survival facing unprecedented challenges and threats.
In the present day that the shortage of energy and environmental pollution are becoming more serious, the utilization of renewable energy and the research of key science and technology thereof are receiving much attention from people. In particular, biomass energy has the outstanding characteristics of being renewable, large in resource quantity, wide in distribution, low in pollution and the like, and becomes a new energy with great development potential. The multi-energy complementary system is a poly-generation total energy system integrating refrigeration, heating and water supply and power generation based on an energy cascade utilization concept, and provides a brand-new and effective way for utilization and development of biomass energy. China has abundant biomass resource reserves, but the defects of poor popularization rate, low utilization rate and the like are always not solved. Especially, the biomass biogas is only used for cooking, and is in an idle state in the rest time, so that great waste of equipment, capital and resources is caused. Therefore, the biogas is used for generating electricity, and the combined supply of cold, heat and electricity is realized, so that the method has great significance for developing the circular economy, building an environment-friendly society and promoting the sustainable development of the economy and the society.
Meanwhile, most of the existing combined cooling heating and power systems still use natural gas as a main energy source, but because natural gas is limited fossil fuel, the energy-saving and emission-reduction characteristics of a distributed energy supply system are difficult to show to the greatest extent, and the optimal design of a multi-energy complementary system based on methane, which is suitable for an industrial park, so as to meet the urgent demand of biomass utilization, becomes an important problem to be solved, and is concerned by the business and academic circles.
Disclosure of Invention
The utility model provides a multipotency complementary system based on marsh gas, this system adaptation are used for industrial park etc. can reasonable efficient utilize the energy, reach the economic nature of system under different cold and hot electric load demands and reach the optimum.
The multi-energy complementary system based on the biogas comprises an electric network, a photovoltaic power generation device, an electric energy storage device, an electric refrigerator, an air source heat pump, a gas co-generation unit, a gas boiler, a waste heat recovery boiler and a heat exchange device, wherein the co-generation unit converts a part of the biogas into electric energy and flue gas, the other part of the biogas is afterburned by the gas boiler, the electric energy generated by an internal combustion engine and the electric energy generated by the photovoltaic power generation are transmitted to the electric refrigeration unit and the air source heat pump together, the redundant electric energy is stored in a storage battery, the insufficient electric quantity is complemented by the system control electric network, the flue gas is transmitted to the waste heat recovery boiler, the hot water requirement of a user is met by the heat exchange device together with the hot air generated by the afterburning of the gas boiler, and the air source heat pump can complement the cold and hot load required by the user and can effectively reduce the operation cost under the regulation and control of the system.
The utility model has the advantages that:
1. the utility model provides a renewable resources such as complementary energy supply system make full use of solar energy of multipotency and biomass energy have replaced the tradition with the natural gas heating, with the mode of natural gas power supply to furthest, fully consider towards the energy supply of object and compare, reach the high-efficient utilization to the energy, in the local place suit, the peculiar resource of make full use of industry garden has multipotency complementary, and is clean high-efficient, satisfies the utilization of energy step, reaches the purpose to clean energy high-efficient utilization.
2. The utility model discloses established new multipotency complementary system based on marsh gas, be applicable to the industry garden, can effective processing garden domestic waste, according to user's cold and hot electric load demand, the work of dispatch confession system in best operational mode reduces energy resource consumption, reduces the running cost, improves the energy utilization of system and rates, has also reduced the carbon emission in garden simultaneously.
3. The utility model discloses utilized gas boiler and electric wire netting, solved biogas fuel unstable enough, the problem of the unable regulation of heat supply load has guaranteed the heat supply demand, and air source heat pump provides the heat in suitable opportunity under the system regulation and control, can effective lowering system cost.
Drawings
Fig. 1 is a multi-energy complementary system based on biogas.
In the figure: 1-a power grid; 2-a photovoltaic power generation device; 3-biogas; 4-gas combined supply unit; 5-an electrical energy storage device; 6-electrical load; 7-an electric refrigerator; 8-air source heat pump; 9-a gas boiler; 10-a waste heat recovery boiler; 11-cold load; 12-heat exchange means; 13-Heat load.
Detailed Description
The utility model provides a multi-energy complementary system combined with methane, and the working principle of the system is further explained by combining the attached drawings and the specific implementation mode.
Fig. 1 shows a schematic view of a multi-energy complementary system combining biogas. The system is used in a park or a building type building and comprises a power generation system, a heat supply system and a cooling system, and is characterized in that the power generation system mainly comprises a power grid 1, a photovoltaic power generation device 2, an internal combustion engine 4, an electric energy storage device 5, an electric refrigerator 7 and a gas 3, wherein the gas enters a gas co-generation unit 4 to be combusted and generated, the electric energy of the gas co-generation unit 4, the photovoltaic power generation device 2 and the electric energy storage device 5 meets a user electric load 6 in a system configuration coupling mode, insufficient electric loads are complemented by the power grid 1, and redundant electric energy is stored in the electric energy storage device 5. The heating system comprises an air source heat pump 8, a gas boiler 9, a waste heat recovery boiler 10 and a heat exchange device 12, the waste heat recovery boiler 10 recycles high-temperature flue gas generated by the gas combined supply unit 4, the hot water requirement of a user is met through the heat exchange device 12, and in order to control the operation cost to be minimum, the system starts the gas boiler 9 and the air source heat pump 8 at a proper time to meet a heat load 13. The cooling system comprises an electric refrigerator 7 and an air source heat pump 8, and the electric refrigerator and the air source heat pump meet the cooling load 11 of a user under the regulation and control of the system.
The working process is as follows:
a part of pretreated biogas 3 fuel is converted into electric energy and smoke through a gas combined supply unit 4, a part of biogas 3 is combusted through a gas boiler 9 to generate heat, the electric energy generated by a photovoltaic power generation device 2 and biogas power generation are supplied to an electric refrigerator 7 together to meet the electric demand of a user, redundant electric energy is stored in an electric energy storage device 5, and insufficient electric energy is purchased from an electric network 1 or is provided by the electric energy stored by the electric energy storage device 5; the flue gas waste heat and the heat obtained by the gas boiler 9 provide hot water for users through the heat exchange device 12; the air source heat pump 8 makes up the cooling and heating demands of users under the regulation and control of the system.
The present embodiment is merely illustrative of the present patent and does not limit the scope of the patent, and modifications can be made to the details thereof without departing from the spirit and scope of the patent.
Claims (6)
1. A multi-energy complementary system based on biogas comprises a power generation system, a heat supply system and a cooling system, and is characterized in that the power generation system mainly comprises a power grid (1), a photovoltaic power generation device (2), a gas combined supply unit (4), an electric energy storage device (5) and an electric refrigerator (7), wherein biogas (3) enters the gas combined supply unit (4) to be combusted and generated, the electric energy of the gas combined supply unit (4), the photovoltaic power generation device (2) and the electric energy storage device (5) meets a user electric load (6) in a system configuration coupling mode, the insufficient electric load is complemented by the power grid (1), and the redundant electric energy is stored in the electric energy storage device (5); the heat supply system comprises an air source heat pump (8), a gas boiler (9), a waste heat recovery boiler (10) and a heat exchange device (12), wherein the waste heat recovery boiler (10) recovers and utilizes high-temperature flue gas generated by the gas combined supply unit (4), the heat exchange device (12) meets the hot water requirement of a user, and in order to control the operation cost to be minimum, the gas boiler (9) and the air source heat pump (8) are started by the system at a proper time to meet a heat load (13); the cold supply system comprises an electric refrigerator (7) and an air source heat pump (8), and the electric refrigerator and the air source heat pump meet the user cold load (11) under system regulation.
2. The biogas-based multi-energy complementary system of claim 1, wherein the biogas co-production system converts biogas generated by fermentation of the waste and waste water of the park into electric energy and heat energy to satisfy a portion of the electric heat demand of the user.
3. Biogas-based multi-energy complementary system according to claim 1, characterized in that the electrical energy storage means (5) can store electrical energy with a sufficient electrical energy, and discharge when the photovoltaic generator (2) is insufficient to meet the electrical demand of the user.
4. A biogas based multi-energy complementary system according to claim 1, characterized in that the fermented biogas (3) is further connected to a gas boiler (9) for post-combustion.
5. The biogas-based multifunctional complementary system according to claim 1, wherein the heat exchange device (12) is used for supplying hot water to the user by exchanging heat between hot air generated by afterburning the gas boiler (9) and flue gas generated by the biogas cogeneration system and cold water.
6. The multi-energy complementary system based on marsh gas as claimed in claim 1, wherein the air source heat pump (8) is driven by a small amount of high grade electric energy to convert the air as low grade heat source into cold and heat energy respectively to meet a part of cold and heat demands of users.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120007700.9U CN215294851U (en) | 2021-01-05 | 2021-01-05 | Multi-energy complementary system based on biogas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120007700.9U CN215294851U (en) | 2021-01-05 | 2021-01-05 | Multi-energy complementary system based on biogas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215294851U true CN215294851U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120007700.9U Expired - Fee Related CN215294851U (en) | 2021-01-05 | 2021-01-05 | Multi-energy complementary system based on biogas |
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| Country | Link |
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| CN (1) | CN215294851U (en) |
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2021
- 2021-01-05 CN CN202120007700.9U patent/CN215294851U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |