CN113222215B - Comprehensive energy supply system based on combination of multi-energy complementation and multi-production industry and control method - Google Patents

Comprehensive energy supply system based on combination of multi-energy complementation and multi-production industry and control method Download PDF

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Publication number
CN113222215B
CN113222215B CN202110395032.6A CN202110395032A CN113222215B CN 113222215 B CN113222215 B CN 113222215B CN 202110395032 A CN202110395032 A CN 202110395032A CN 113222215 B CN113222215 B CN 113222215B
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energy
heat
biogas
unit
load
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CN113222215A (en
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张奕
周国文
李佳佳
夏建秋
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Harbin Tianyi Intelligent Technology Co ltd
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Harbin Tianyi Intelligent Technology Co ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
    • F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/16—Stators
    • F03B3/18—Stator blades; Guide conduits or vanes, e.g. adjustable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D15/00—Transmission of mechanical power
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/007—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with means for converting solar radiation into useful energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/008—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with water energy converters, e.g. a water turbine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
    • G06Q10/06315—Needs-based resource requirements planning or analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Energy or water supply
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
    • H02J3/144—Demand-response operation of the power transmission or distribution network
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381—Dispersed generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
    • F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
    • F02B2043/103—Natural gas, e.g. methane or LNG used as a fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/706—Application in combination with an electrical generator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/28—The renewable source being wind energy
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/76—Power conversion electric or electronic aspects
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy
    • 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
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    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • 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
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    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications

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Abstract

The invention discloses a comprehensive energy supply system and a control method based on combination of multi-energy complementation and multi-production, wherein the comprehensive energy supply system comprises four forms of power generation units, the four forms of power generation units are controlled and started and closed by a server terminal according to natural conditions and load demands, and when the total power generation exceeds the load demands, the surplus electric energy is sent to a power grid to generate economic benefits; the system also comprises a thermal load unit which mainly uses the waste heat energy generated by biogas combustion, and a heat storage tank, wherein the thermal load unit is used for biogas pyrolysis supply, biogas gasification, heating of residential users, heating of pasture industry and heating of hot spring industry by recycling the waste heat energy, and all decision execution in the system is controlled by a server terminal. The comprehensive energy supply system is beneficial to solving the technical problems of single economic industry, simple energy supply system, low energy utilization rate and the like in village and town areas.

Description

Comprehensive energy supply system based on combination of multi-energy complementation and multi-production industry and control method
Technical Field
The invention relates to the technical field of energy Internet operation and control, in particular to a comprehensive energy supply system and a control method based on combination of multi-energy complementation and multi-production.
Background
In the traditional energy supply system, only one energy form is taken as a main source, and independent planning construction and operation are carried out on the energy supply system, the energy supply system depending on a single energy form is not flexible enough, and the power load is greatly different in peak and valley time difference and inconvenient to adjust. The world is continuously researched and adjusted on energy supply structures and load conditions so as to adapt to the current high-speed development of economy and society, the energy supply requirements in village and town areas are simpler, the energy is reasonably developed and utilized, the energy is abundant in the village and town areas, the energy has the advantages of great development potential, but the energy development and utilization rate is low, the industry mainly adopts agriculture is single, therefore, the local energy resources are reasonably utilized in the village and town areas, a multi-energy complementary comprehensive energy supply system is developed and established, and ecological civilization villages and towns are established by developing multi-industry groups, so that the energy supply system has great significance for developing economic industries in the village and town residents and improving economic incomes and employment posts of the village and town residents.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent.
Therefore, the invention aims to provide a comprehensive energy supply system based on combination of multi-energy complementation and multi-production, which solves the technical problems of single economic industry, simple energy supply system, low energy utilization rate and the like existing in village and town areas.
Another object of the present invention is to provide a control method of an integrated energy supply system based on a combination of multi-energy complementation and multi-production.
To achieve the above object, in one aspect, an embodiment of the present invention provides an integrated energy supply system based on combination of multi-energy complementation and multi-production, including: the system comprises a comprehensive energy supply module, a server terminal, an energy storage module, a load module, a boosting transformer substation, a depressurization transformer substation and a power grid, wherein the comprehensive energy supply module comprises a photovoltaic power generation unit, a wind power generation unit, a biogas power generation unit and a hydroelectric power generation unit, the photovoltaic power generation unit, the wind power generation unit, the biogas power generation unit and the hydroelectric power generation unit are mutually connected in parallel and are connected with the server terminal and the energy storage module for producing electric energy; the load module at least comprises an electric load unit and a thermal load unit, wherein the electric load unit comprises residential user electricity, hot spring industry electricity and pasture industry electricity, and the thermal load unit at least comprises a biogas generating unit thermal load, a residential heating thermal load, a pasture industry heating thermal load and a hot spring industry heating thermal load and is used for consuming electric energy; the power grid is respectively connected with the boosting transformer substation and the comprehensive energy supply module, and is also respectively connected with the step-down transformer substation and the electric load unit, and is used for boosting the electric energy, then merging the electric energy into the power grid and supplying the electric energy for the electric load unit.
The comprehensive energy supply system based on the combination of the multi-energy complementation and the multi-production industry provided by the embodiment of the invention utilizes the advantage complementation among various energy sources, greatly improves the energy utilization rate of village and town areas, has high load scheduling flexibility, and simultaneously combines the development of multiple industrial groups to establish ecological civilized villages and towns, improves the economic income and employment positions of residents of the villages and towns, solves the technical problems of single economic industry, simple energy supply system, low energy utilization rate and the like of the village and towns, and realizes considerable economic and social benefits.
In addition, the comprehensive energy supply system based on the combination of multi-energy complementation and multi-industry according to the embodiment of the invention can also have the following additional technical characteristics:
further, in one embodiment of the present invention, the photovoltaic power generation unit at least includes a photovoltaic array module unit, a photovoltaic combiner box, and a converter, where the photovoltaic combiner box is connected to each photovoltaic array panel in the photovoltaic array module unit, and is configured to collect current between each photovoltaic array panel; the converter is respectively connected with the photovoltaic combiner box and the server terminal and is used for storing the collected current to the energy storage module according to a control instruction of the server terminal, or boosting the collected current through the boosting transformer and then integrating the boosted current into the power grid or supplying the boosted current to the electric load unit.
Further, in one embodiment of the invention, the wind power generation unit comprises at least a fan impeller assembly, a gear drive system, a fan generator and an alternator, wherein the gear drive system is connected with the fan impeller assembly for transmitting mechanical energy to the fan generator; the fan generator is connected with the gear transmission system and is used for converting mechanical energy into electric energy; the alternating current device is respectively connected with the fan generator and the server terminal and is used for storing electric energy obtained by converting wind energy into the energy storage module according to a control instruction of the server terminal, or boosting the electric energy through the boosting transformer and then combining the electric energy into the power grid or supplying the electric energy to the electric load unit.
Further, in one embodiment of the invention, the biogas generating unit at least comprises a biogas digester raw material pyrolysis unit, a biogas gasification supply unit and a biogas combustion generator set, wherein the biogas digester raw material pyrolysis unit is used for carrying out thermal decomposition on raw materials to generate biogas, and the raw materials are garbage or excrement generated by the pasture industry and residents; the biogas gasification supply unit is connected with the biogas digester raw material pyrolysis unit and is used for gasifying, filtering and purifying biogas; the biogas combustion generator set is respectively connected with the biogas gasification supply unit and the server terminal, and is used for burning the processed biogas to generate heat energy and converting the heat energy into electric energy, and storing the electric energy into the energy storage module according to a control instruction of the server terminal, or boosting the electric energy obtained by burning and converting the biogas through the boosting transformer and then merging the electric energy into the power grid, or supplying the electric energy to the electric load unit.
Further, in one embodiment of the present invention, the heat load unit specifically includes a biogas-fired power generation unit heat exchanger, a biogas digester pyrolysis unit heat exchanger, a biogas gasification supply unit heat exchanger, a heat storage tank, a first thermostatic controller, a second thermostatic controller, a first temperature sensor, a second temperature sensor, residential heating, pasture industry heating, spa industry heating, a first filter, a second filter, a spa pool, a water replenishment tank unit, an auxiliary heater, a filter, and a plurality of control valves.
Further, in one embodiment of the present invention, one end of the biogas-fired power generator unit heat exchanger is connected to the biogas digester pyrolysis unit heat exchanger through the first thermostatic controller, the biogas-fired power generator unit heat exchanger is connected to the biogas gasification supply unit heat exchanger through the second thermostatic controller, the other end of the biogas-fired power generator unit heat exchanger is connected to the heat storage tank through the first control valve, the heat storage tank is connected to the temperature sensor, the heat storage tank is also connected to the residential heating, the pasture industry heating and the spa industry heating through the fourth control valve, the fifth control valve and the sixth control valve, respectively, the spa industry heating is finally led to the spa tank through the first stage filter and the second stage filter, the spa tank is connected to the water supplementing tank through the eighth control valve, the spa tank is connected to the auxiliary heater in parallel, and a second temperature sensor is provided therebetween, and the filter is connected to the biogas-fired power generator unit heat exchanger.
In one embodiment of the present invention, the hot spring industry heat supply is further connected in parallel with a return system, the flow and the on-off of the hot spring industry heat supply are controlled by a seventh control valve, the residential heating, the pasture industry heating and the hot spring industry heat supply are all connected with the return system, a booster pump is further arranged in the return system, the water flow pressure in the return system is used for boosting, the water flow pressurized by the booster pump flows back to the heat storage tank, or the water flow can return to the heat exchanger of the biogas combustion generating set through a tenth control valve, and all the control valves and the booster pump, the water pump, the first constant temperature controller, the second constant temperature controller, the auxiliary heater, the first temperature sensor and the second temperature sensor are electrically connected with the server terminal and controlled by the server terminal.
Further, in one embodiment of the present invention, when the biogas power generation unit contains surplus heat energy, the surplus heat energy is recovered by the biogas combustion generator set heat exchanger, a part of the surplus heat energy is respectively led to the biogas digester pyrolysis unit heat exchanger and the biogas gasification supply unit heat exchanger through the first thermostatic controller and the second thermostatic controller, and is respectively used for providing heat energy for pyrolysis and biogas gasification of biogas raw materials, and the other part of the surplus heat energy is led to the heat storage tank, and is respectively led to the residential heating, the pastoral industrial heating and the hot spring industry heating, wherein the hot spring industry heating is led to the hot spring tank through the first stage filter and the second stage filter, when the water temperature of the hot spring tank is lower than a target temperature, the auxiliary heater is adopted for electric heating, and when the water temperature of the hot spring tank is higher than the target temperature, a part of low-temperature water is supplemented.
Further, in one embodiment of the present invention, the hydro-power generation unit includes at least a water guiding mechanism and a hydro-generator, wherein the hydro-generator is connected to the water guiding mechanism for converting kinetic energy of water into electric energy; the hydraulic generator is connected with the server terminal and is used for storing electric energy obtained by hydraulic conversion to the energy storage module according to a control instruction of the server terminal, or boosting the collected current through the boosting transformer and then integrating the boosted current into the power grid, or supplying the boosted current to the electric load unit.
In order to achieve the above object, another embodiment of the present invention provides a control method of an integrated energy supply system based on combination of multi-energy complementation and multi-production, comprising the following steps: step S1, calculating the total power generation amount and the total power load amount of the comprehensive energy supply system; step S2, calculating the difference value between the total power generation amount and the total energy storage amount of the comprehensive energy supply system and the total power load, wherein whenWherein Pi is the power generated by each unit in the comprehensive energy supply module, C is the total electric quantity of the energy storage module,li is the electric load in the electric load unit, and then the power is supplied to the power grid through the step-down transformer so as to make up the difference requirement of the electric load; when->The surplus generated electricity is merged into a power grid through a step-up transformer to generate economic benefits; when->The energy storage module is used for carrying out electric quantity balance adjustment on the total power generation amount and the total power load amount; step S3, calculating heat Q of heat exchanger of methane combustion generator set in comprehensive energy supply system Total (S) To establish a heat load supply and demand balance, wherein the heat load supply and demand balance control logic, in particular: when-> And T is 1 >T Order of (A) Delta is a heat loss coefficient, qi is Q1 for heat load demand of a heat exchanger of a pyrolysis unit of the biogas digester, Q2 for heat load demand of a heat exchanger of a biogas gasification supply unit, Q3 for heating load demand of residents, Q4 for heating load demand of pasture industry, Q5 for heating load demand of hot spring industry and T Order of (A) For the target heat storage temperature, when the above condition is satisfied, the opening degree of the third control valve is +.>The opening degree of the tenth control valve is +.>The opening of the eighth control valve is adaptively adjusted along with the second temperature sensor, and other control valves are all opened to adjust the water temperature of the heat storage tank, so that the damage to equipment caused by the fact that the heat storage temperature of the heat storage tank is continuously too high is avoided; when->And T is 1 ≤T Order of (A) When the above condition is satisfied, the opening degree of the third control valve is +.>The opening degree of the tenth control valve is +.>The opening of the eighth control valve is adaptively adjusted along with the second temperature sensor, and other control valves are all opened so as to improve the heat accumulation capacity of the heat accumulation pool; when->And T is 1 >T Order of (A) When the above condition is satisfied, the third control valve is closed, and the opening degree of the first control valve is +.>The opening of the eighth control valve is adaptively adjusted along with the second temperature sensor, and other control valves are all opened so as to ensure the heat load requirement of the heat exchanger of the pyrolysis unit of the methane tank and the heat load requirement of the heat exchanger of the methane gasification supply unit preferentially; when->And T is 1 ≤T Order of (A) When the above condition is satisfied, the third control valve is closed, and the opening degree of the first control valve is +.>The opening of the fourth control valve is +.>The opening of the eighth control valve is adaptively adjusted along with the second temperature sensor, other control valves are all opened, and the part with insufficient heat supply and heat load of the hot spring industry is electrically heated by adopting an auxiliary heater so as to ensure the heat load demand of the heat exchanger of the pyrolysis unit of the methane tank and the heat load demand of the heat exchanger of the gasification supply unit of the methane tank preferentially and ensure the supply of residentsA heating load demand, a forage industry heating load demand; and S4, calculating the thermal load unit and the electric load unit in real time, solving the thermal load requirement and the electric load requirement of each component in real time, and controlling and timely responding each control valve and each electric energy circulation path in the comprehensive energy supply system.
The control method of the comprehensive energy supply system based on the combination of the multi-energy complementation and the multi-production industry provided by the embodiment of the invention utilizes the advantage complementation among various types of energy sources, greatly improves the energy utilization rate of village and town areas, has high load scheduling flexibility, and simultaneously combines the development of multi-industry groups to establish ecological civilization villages and towns, improves the economic income and employment positions of residents of villages and towns, solves the technical problems of single economic industry, simple energy supply system, low energy utilization rate and the like of village and towns, and realizes considerable economic and social beneficial benefits.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic diagram of an integrated energy supply system based on a combination of multi-energy complementation and multi-industry according to one embodiment of the present invention;
FIG. 2 is a schematic illustration of the specific connection of the components of an integrated energy supply system based on a combination of multi-energy complementation and multi-industry according to one embodiment of the present invention.
Reference numerals illustrate: 10-comprehensive energy supply system, 100-comprehensive energy supply module, 101-photovoltaic power generation unit, 102-wind power generation unit, 103-marsh gas power generation unit, hydraulic power generation unit, 200-server terminal, 300-energy storage module, 400-load module, 401-electric load unit, 4011-resident user electricity, 4012-hot spring industry electricity, 4013-pasture industry electricity, 402-heat load unit, 4021-marsh gas power generation unit heat load, 4022-resident user heating, 4023-pasture industry heating, 4024-hot spring industry heat supply, 4025-marsh gas pool pyrolysis unit heat exchanger, 4026-marsh gas gasification supply unit heat exchanger, 4027-marsh gas combustion generating set heat exchanger 4028-a heat storage pool, 4029-a first thermostatic controller, 40210-a second thermostatic controller, 40211-a filter, 40212-a water supplementing pool unit, 40213-a hot spring pool, 40214-an auxiliary heater, 40215-a first-stage filter, 40216-a second-stage filter, 40217-a first temperature sensor, 40218-a second temperature sensor, 40219-a first control valve, 40220-a second control valve, 40221-a third control valve, 40222-a fourth control valve, 40223-a fifth control valve, 40224-a sixth control valve, 40225-a seventh control valve, 40226-an eighth control valve, 40227-a ninth control valve, 40228-a tenth control valve, a 500-boosting transformer substation, a 600-step-down transformer substation and 700-power grid.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
The comprehensive energy supply system and the control method based on the combination of the multi-energy complementation and the multi-industry according to the embodiment of the invention are described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of an integrated energy supply system based on a combination of multi-energy complementation and multi-industry according to one embodiment of the present invention.
As shown in fig. 1, the integrated energy supply system 10 includes: the system comprises an integrated energy supply module 100, a server terminal 200, an energy storage module 300, a load module 400, a boosting transformer substation 500, a step-down transformer substation 600 and a power grid 700.
The comprehensive energy supply module 100 comprises a photovoltaic power generation unit 101, a wind power generation unit 102, a biogas power generation unit 103 and a hydroelectric power generation unit 104, wherein the photovoltaic power generation unit 101, the wind power generation unit 102, the biogas power generation unit 103 and the hydroelectric power generation unit 104 are mutually connected in parallel and are connected with the server terminal 200 and the energy storage module 300 for producing electric energy.
Further, the photovoltaic power generation unit 101 at least includes a photovoltaic array module unit, a photovoltaic combiner box and an inverter, where the photovoltaic power generation unit 101 is configured to absorb and convert solar energy, each photovoltaic array panel in the photovoltaic array module unit is connected to the photovoltaic combiner box, the photovoltaic combiner box is configured to collect current between each photovoltaic array module, the photovoltaic combiner box is connected to the inverter, the inverter is connected to the server terminal 200, and the server terminal 200 can control electric energy converted from photovoltaic to be stored in the energy storage module 300, or to be boosted by the boost transformer 500 and then be incorporated into the power grid 700, or to be supplied to the electric load unit 401.
Further, the wind power generation unit 102 is at least composed of a fan impeller assembly, a gear transmission system, a fan generator and an alternator. The fan impeller assembly is used for converting wind energy into mechanical energy, the fan impeller assembly is connected with a gear transmission system, the gear transmission system is used for transmitting the mechanical energy to a fan generator, the fan generator is used for converting the mechanical energy into electric energy, the fan generator is connected with an alternator, the alternator is connected with a server terminal 200, and the server terminal 200 can control the electric energy converted from wind power to be stored in an energy storage module 300 or to be combined into a power grid 700 after being boosted by a booster transformer 500 or to be supplied to an electric load unit 401.
Further, the biogas power generation unit 103 is at least composed of a biogas digester raw material pyrolysis unit, a biogas gasification supply unit and a biogas combustion generator set. The raw material pyrolysis unit of the biogas digester is used for carrying out thermal decomposition on raw materials, the raw material sources can be garbage or excrement produced by pasture industry and residents, the raw material pyrolysis unit of the biogas digester is connected with the biogas gasification supply unit, the biogas gasification supply unit is used for gasifying, filtering and purifying biogas, the gasified and purified biogas is led to the biogas combustion chamber to be combusted, the final conversion of heat energy into electric energy is realized through the biogas combustion generator unit, the biogas combustion generator unit is connected with the server terminal 200, and the server terminal 200 can control the electric energy converted from biogas combustion to be stored in the energy storage module 300, or the electric energy is merged into the power grid 700 after being boosted through the boosting transformer 500, or the electric load unit 401 is supplied.
Further, the hydro-power generation unit 104 is composed of at least a water guiding mechanism and a hydro-generator. The water guide mechanism is connected with a hydraulic generator, the hydraulic generator is used for converting kinetic energy of water into electric energy, the hydraulic generator is connected with the server terminal 200, and the server terminal 200 can control the electric energy converted by hydraulic power to be stored in the energy storage module 300, or the electric energy is boosted by the booster transformer 500 and then is combined into the power grid 700, or the electric energy is supplied to the electric load unit 401.
The load module 400 includes an electric load unit 401 and a thermal load unit 402, wherein the electric load unit 401 includes at least resident user electricity 4011, spa industry electricity 4012, and pastoral industry electricity 4013. The power supply of the electrical load unit 401 further comprises power from the power grid 700, wherein the power grid 700 is connected to the electrical load unit 401 via the step-down transformer 600.
The heat load unit 402 at least comprises methane power generation unit heat loads 4021 and 4022-resident heating, 4023-pastoral industry heating and 4024-hot spring industry heating, and is used for consuming electric energy, and specifically comprises a methane tank pyrolysis unit heat exchanger 4025, a methane gasification supply unit heat exchanger 4026, a methane combustion generating set heat exchanger 4027, a heat storage tank 4028, a first constant temperature controller 4029, a second constant temperature controller 40210, resident heating 4022, pastoral industry heating 4023, hot spring industry heating 4024, a filter 40211, a water supplementing tank unit 40212, a hot spring tank 40213, an auxiliary heater 40214, a first-stage filter 40215, a second-stage filter 40216, a first temperature sensor 40217, a second temperature sensor 40218 and a plurality of control valves.
When the thermal load 4021 of the biogas power generation unit contains a large amount of surplus heat energy, the surplus heat energy is recovered through a heat exchanger of the biogas combustion generating set, the surplus heat energy is recovered as water, one part of the heat exchanger 4027 of the biogas combustion generating set is respectively led to a heat exchanger 4025 of a pyrolysis unit of the biogas generating set and a heat exchanger 4026 of a gasification supply unit of the biogas through a first thermostatic controller 4029 and a second thermostatic controller 40210, the heat exchanger is respectively used for providing heat energy for pyrolysis of the raw material of the biogas and for gasification of the biogas, the front ends of the first thermostatic controller 4029 and the second thermostatic controller 40210 are connected with a second control valve 40220, the other part of the heat exchanger 4027 of the biogas combustion generating set is connected with a heat storage tank 4028, a first control valve 40219 is connected between the heat exchanger 4027 of the biogas combustion generating set and the heat storage tank 4028, the heat storage tank 4028 is connected with a first temperature sensor 40217, the heat storage pool 4028 respectively leads heat to resident user heating 4022, pastoral industry heating 4023 and hot spring industry heating 4024, the hot spring industry heating 4024 finally leads to the hot spring pool 40213 through a first-stage filter 40215, a water pump and a second-stage filter 40216, the water pump is arranged between the first-stage filter 40215 and the second-stage filter 40216, the hot spring pool 40213 is further provided with a water supplementing pool unit 40212, an eighth control valve 40226 is arranged between the water supplementing pool unit 40212 and the hot spring pool 40213, the heat storage pool comprises an auxiliary heater 40214 and a second temperature sensor 40218, the hot spring pool 40213 is connected with the auxiliary heater 40214 in parallel, the second temperature sensor 40218 monitors the water temperature of the hot spring pool 40213 in real time, and when the water temperature of the hot spring pool 40213 is lower than a target temperature, the auxiliary heater 40214 is adopted for electric heating, and when the water temperature of the hot spring pool 40213 is higher than the target temperature, the eighth control valve 40226 and the ninth control valve 27 are opened for supplementing part of low-temperature water 40213. The heat loads of the heating 4022 of the resident user, the heating 4023 of the pastoral industry and the heating 4024 of the hot spring industry respectively pass through a fourth control valve 40222, a fifth control valve 40223 and a sixth control valve 40224, wherein the heating 4024 of the hot spring industry is also connected with another direct connection reflux system in parallel, the route between the reflux system and the heating 4024 of the hot spring industry is controlled by a seventh control valve 40225 to control the flow and the on-off state, the final of the heating 4022 of the resident user, the heating 4023 of the pastoral industry and the heating 4024 of the hot spring industry are all connected with the reflux system, a booster pump is further arranged in the reflux system and used for boosting the water flow pressure in the reflux system, the water flow pressurized by the booster pump can flow back to a heat storage pool 4028 through a filter 40211 or can flow back to a heat exchanger 4027 of a methane combustion generating set through a tenth control valve 40228, and all the control valves and booster pumps, a water pump, a first thermostatic controller 4029, a second thermostatic controller 40210, an auxiliary heater 14 and a temperature sensor are all electrically connected with a server terminal 200, and the server terminal 200 can heat all the control valves and the water pump, the first thermostatic controller 4029 and the auxiliary thermostatic controller 40210.
The specific working process is as follows: the comprehensive energy supply module consists of four types of power generation units, namely a photovoltaic power generation unit, a wind power generation unit, a biogas power generation unit and a hydroelectric power generation unit, wherein the four types of power generation units are controlled and closed by a server control terminal according to natural conditions and load requirements, when the total power generation exceeds the load requirements, part of electric energy is stored into the energy storage module, and the rest part of electric energy is sent to a power grid through a boosting transformer substation so as to generate economic benefits; and when the total power generation amount is insufficient to balance the load demand, the electric energy in the energy storage module is preferentially adopted to compensate the difference part of the load demand, and then the electric energy from the power grid through the step-down transformer substation is adopted to compensate the difference part of the load demand. The heat load module mainly adopts waste heat energy in the biogas combustion power generation process, the waste heat energy is used for recovering working medium to be water, a part of the waste heat energy is used for biogas pyrolysis supply and biogas gasification, the rest part of the waste heat energy is mainly led to the heat storage tank, the heat of the heat storage tank is mainly used for heating residential users, heating in the pasture industry and heating in the hot spring industry, and when the recovered waste heat energy is greater than the total heat load demand and the heat storage heat of the heat storage tank is greater than the demand heat load, the working medium in the reflux system is refluxed to the heat storage tank so as to protect the heat storage tank; when the recovered waste heat energy is greater than the total heat load demand and the heat storage heat of the heat storage tank is less than the demand heat load, the purpose of improving the heat storage capacity of the heat storage tank is achieved; when the recovered waste heat energy is smaller than the total heat load demand and the heat storage heat of the heat storage tank is larger than the demand heat load, the heat load demands of the biogas pyrolysis unit and biogas gasification are prioritized; when the recovered waste heat energy is smaller than the total heat load demand and the heat storage heat of the heat storage tank is smaller than the demand heat load, the heat of the heat storage tank preferentially guarantees the heat load demands of residential heating and pasture industry heating, and the heat load demands of hot spring industry heating are compensated by adopting an auxiliary heater; all decision execution of the invention is controlled by the server control terminal.
According to the comprehensive energy supply system based on the combination of the multi-energy complementation and the multi-production, provided by the embodiment of the invention, the advantage complementation among various energy sources is utilized, the energy utilization rate of village and town areas is greatly improved, the load scheduling flexibility is high, meanwhile, ecological civilization villages and towns are built by combining and developing multi-industry groups, the economic income and employment positions of residents of the villages and towns are improved, the technical problems of single economic industry, simple energy supply system, low energy utilization rate and the like of the village and towns are solved, and considerable economic and social benefits are realized.
Next, a control method of the comprehensive energy supply system based on the combination of multi-energy complementation and multi-industry according to the embodiment of the invention is described.
The control method of the comprehensive energy supply system based on the combination of multi-energy complementation and multi-production comprises the following steps:
in step S1, the total amount of power generation and the total amount of power load of the integrated energy supply system are calculated.
Specifically, the comprehensive energy supply module comprises a photovoltaic power generation unit, a wind power generation unit, a biogas power generation unit and a hydroelectric power generation unit, wherein the photovoltaic power generation unit, the wind power generation unit, the biogas power generation unit and the hydroelectric power generation unit are all electrically connected with the server terminal, the power generation power of the photovoltaic power generation unit is P1, the power generation power of the wind power generation unit is P2, the power generation power of the biogas power generation unit is P3, the power generation power of the hydroelectric power generation unit is P4, and the electricity load comprises electricity consumption of residential users, electricity consumption of hot spring industry and electricity consumption of animal industry, the electricity load of the residential users is L1, the electricity load of the hot spring industry is L2, and the electricity load of animal industry is L3.
In step S2, the difference between the total power generation and energy storage capacity of the integrated energy supply system and the total power load is calculated, wherein,
when (when)Wherein Pi is the power generated by each unit in the comprehensive energy supply module, C is the total electric quantity of the energy storage module, li is each electric load in the electric load unit, and the power is supplied by connecting a step-down transformer into a power grid so as to make up the difference of the electric loadsValue demand;
when (when)The surplus generated electricity is merged into a power grid through a step-up transformer to generate economic benefits;
when (when)And carrying out electric quantity balance adjustment between the total power generation amount and the total power load amount by using the energy storage module.
In step S3, calculating heat Q of heat exchanger of methane combustion generator set in comprehensive energy supply system Total (S) To establish a heat load supply and demand balance, wherein the heat load supply and demand balance control logic, in particular:
when (when)And T is 1 >T Order of (A) Delta is a heat loss coefficient, qi is Q1 for heat load demand of a heat exchanger of a pyrolysis unit of the biogas digester, Q2 for heat load demand of a heat exchanger of a biogas gasification supply unit, Q3 for heating load demand of residents, Q4 for heating load demand of pasture industry, Q5 for heating load demand of hot spring industry and T Order of (A) For the target heat storage temperature, when the above condition is satisfied, the opening degree of third control valve 40221 is +.>The opening degree of the tenth control valve 40228 is +.>The opening of the eighth control valve 40226 is adaptively adjusted along with the second temperature sensor, and other control valves are all opened to adjust the water temperature of the heat storage tank, so that the damage to equipment caused by the fact that the heat storage temperature of the heat storage tank is continuously too high is avoided;
when (when)And T is 1 ≤T Order of (A) When the above condition is satisfied, the opening degree of the third control valve 40221 isThe opening degree of the tenth control valve 40228 is +.>The opening of the eighth control valve 40226 is adaptively adjusted along with the second temperature sensor, and other control valves are all opened to improve the heat accumulation amount of the heat accumulation pool;
when (when)And T is 1 >T Order of (A) When the above condition is satisfied, third control valve 40221 is closed and the opening degree of first control valve 40219 is +.>The opening of the eighth control valve 40226 is adaptively adjusted along with the second temperature sensor, and other control valves are all opened so as to ensure the heat load demand of the heat exchanger of the pyrolysis unit of the biogas digester and the heat load demand of the heat exchanger of the biogas gasification supply unit preferentially;
when (when)And T is 1 ≤T Order of (A) When the above condition is satisfied, third control valve 40221 is closed and the opening degree of first control valve 40219 is +.>The opening degree of the fourth control valve 40222 is +.>The opening of the eighth control valve 40226 is adaptively adjusted along with the second temperature sensor, other control valves are all opened, and the part with insufficient heat supply and heat load in the hot spring industry is electrically heated by an auxiliary heater so as to ensure the heat load requirement of the heat exchanger of the pyrolysis unit of the methane tank and the replacement of the methane gasification supply unit preferentiallyThe heat load requirement of the heater can ensure the heat load requirement of resident heating and the heat load requirement of the forage industry.
In step S4, the thermal load unit and the electrical load unit are calculated in real time, the thermal load requirement and the electrical load requirement of each component are solved in real time, and each electric energy circulation path in each control valve and the comprehensive energy supply system is controlled and responded in time.
According to the control method of the comprehensive energy supply system based on the combination of the multi-energy complementation and the multi-production, provided by the embodiment of the invention, the advantage complementation among various types of energy sources is utilized, the energy utilization rate of village and town areas is greatly improved, the load scheduling flexibility is high, meanwhile, the ecological civilization villages and towns are established by combining and developing multi-industry groups, the economic income and employment positions of residents of the villages and towns are improved, the technical problems of single economic industry, simple energy supply system, low energy utilization rate and the like of the village and towns are solved, and considerable economic and social benefits are realized.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (7)

1. An integrated energy supply system based on combination of multi-energy complementation and multi-production, comprising: the system comprises a comprehensive energy supply module, a server terminal, an energy storage module, a load module, a boosting transformer substation, a step-down transformer substation and a power grid,
the comprehensive energy supply module comprises a photovoltaic power generation unit, a wind power generation unit, a biogas power generation unit and a hydroelectric power generation unit, wherein the photovoltaic power generation unit, the wind power generation unit, the biogas power generation unit and the hydroelectric power generation unit are mutually connected in parallel and are connected with the server terminal and the energy storage module for producing electric energy;
the load module comprises an electric load unit and a thermal load unit, wherein the electric load unit at least comprises residential user electricity, hot spring industry electricity and pasture industry electricity, and the thermal load unit at least comprises a biogas generating unit thermal load, a residential heating thermal load, a pasture industry heating thermal load and a hot spring industry heating thermal load, and is used for consuming electric energy;
the power grid is respectively connected with the boosting transformer substation and the comprehensive energy supply module, and is also respectively connected with the step-down transformer substation and the electric load unit, and is used for boosting the electric energy, then merging the electric energy into the power grid and supplying the electric energy for the electric load unit;
the heat load unit comprises a methane combustion generating set heat exchanger, a methane tank pyrolysis unit heat exchanger, a methane gasification supply unit heat exchanger, a heat storage tank, a first constant temperature controller, a second constant temperature controller, a first temperature sensor, a second temperature sensor, residential heating, pasture industry heating, hot spring industry heating, a first-stage filter, a second-stage filter, a hot spring tank, a water supplementing tank unit, an auxiliary heater, a filter and a plurality of control valves;
one end of the heat exchanger of the biogas combustion generating set is connected with the pyrolysis unit heat exchanger of the biogas digester through the first constant temperature controller, the heat exchanger of the biogas combustion generating set is connected with the heat exchanger of the biogas gasification supply unit through the second constant temperature controller, the other end of the heat exchanger of the biogas combustion generating set is connected with the heat storage tank through the first control valve, the heat storage tank is connected with the temperature sensor, the heat storage tank is also connected with heating of a residential user, heating of the pasture industry and heating of the hot spring industry through the fourth control valve, the fifth control valve and the sixth control valve, the heating of the hot spring industry finally leads to the hot spring tank through the first-stage filter and the second-stage filter, the hot spring tank is connected with the water supplementing tank through the eighth control valve, the hot spring tank is connected with the auxiliary heater in parallel, and a second temperature sensor is arranged between the hot spring tank and the heat exchanger of the biogas combustion generating set, and the filter is connected to the heat exchanger of the biogas combustion generating set;
the hot spring industry heat supply is also connected with a reflux system in parallel, flow and on-off are controlled by a seventh control valve, the residential heating, the pasture industry heating and the hot spring industry heat supply are all connected with the reflux system, a booster pump is further arranged in the reflux system and used for boosting the water flow pressure in the reflux system, the water flow pressurized by the booster pump flows back to the heat storage tank or returns to the methane combustion generator set heat exchanger through a tenth control valve, and all the control valves, the booster pump, the water pump, the first constant temperature controller, the second constant temperature controller, the auxiliary heater, the first temperature sensor and the second temperature sensor are all electrically connected with the server terminal and controlled by the server terminal;
the front ends of the first constant temperature controller and the second constant temperature controller are connected with a second control valve, and the heat exchanger of the biogas combustion generating set is respectively connected with the first constant temperature controller and the second constant temperature controller through the second control valve;
the filter is connected with the heat storage tank through a third control valve;
the hot spring industry heat supply is connected to the reflux system through a seventh control valve;
the outlet end of the hot spring pool is connected with a ninth control valve, and the outlet end of the ninth control valve is respectively connected with the auxiliary heater and the reflux system;
the booster pump is connected between the biogas gasification supply unit heat exchanger and the biogas combustion generator set heat exchanger through a tenth control valve.
2. The comprehensive energy supply system based on the combination of multi-energy complementation and multi-industry according to claim 1, wherein the photovoltaic power generation unit at least comprises a photovoltaic array module unit, a photovoltaic combiner box and a converter, wherein,
the photovoltaic combiner box is connected with each photovoltaic array plate in the photovoltaic array assembly unit and is used for collecting current among the photovoltaic array plates;
the converter is respectively connected with the photovoltaic combiner box and the server terminal and is used for storing the collected current to the energy storage module according to a control instruction of the server terminal, or boosting the collected current through the boosting transformer and then integrating the boosted current into the power grid or supplying the boosted current to the electric load unit.
3. The integrated energy supply system based on the combination of multi-energy complementation and multi-industry according to claim 1, wherein the wind power generation unit comprises at least a fan impeller assembly, a gear train, a fan generator and an alternator, wherein,
the gear transmission system is connected with the fan impeller assembly and used for transmitting mechanical energy to the fan generator;
the fan generator is connected with the gear transmission system and is used for converting mechanical energy into electric energy;
the alternating current device is respectively connected with the fan generator and the server terminal and is used for storing electric energy obtained by converting wind energy into the energy storage module according to a control instruction of the server terminal, or boosting the electric energy through the boosting transformer and then combining the electric energy into the power grid or supplying the electric energy to the electric load unit.
4. The comprehensive energy supply system based on the combination of multi-energy complementation and multi-production according to claim 1, wherein the biogas generating unit at least comprises a biogas digester raw material pyrolysis unit, a biogas gasification supply unit and a biogas combustion generator set, wherein,
the methane tank raw material pyrolysis unit is used for carrying out thermal decomposition on raw materials to generate methane, wherein the raw materials are garbage or excrement generated by the pasture industry and residents;
the biogas gasification supply unit is connected with the biogas digester raw material pyrolysis unit and is used for gasifying, filtering and purifying biogas;
the biogas combustion generator set is respectively connected with the biogas gasification supply unit and the server terminal, and is used for burning the processed biogas to generate heat energy and converting the heat energy into electric energy, and storing the electric energy into the energy storage module according to a control instruction of the server terminal, or boosting the electric energy obtained by burning and converting the biogas through the boosting transformer and then merging the electric energy into the power grid, or supplying the electric energy to the electric load unit.
5. The comprehensive energy supply system based on the combination of the multi-energy complementation and the multi-production according to claim 1, wherein when the biogas power generation unit contains surplus heat energy, the surplus heat energy is recovered through the biogas combustion power generation unit heat exchanger, a part of the surplus heat energy is respectively led to the biogas tank pyrolysis unit heat exchanger and the biogas gasification supply unit heat exchanger through the first thermostatic controller and the second thermostatic controller, the rest heat energy is respectively used for providing heat energy for pyrolysis of biogas raw materials and gasification of biogas, the other part of the surplus heat energy is led to the heat storage tank, the heat is respectively led to the residential user heating, the pasture industry heating and the hot industry heating, wherein the hot spring industry heating is led to the hot spring tank through the first stage filter and the second stage filter, when the water temperature of the hot spring tank is lower than a target temperature, the auxiliary heater is adopted for electric heating, and when the water temperature of the hot spring tank is higher than the target temperature, the supplementary part of low-temperature water is carried out.
6. The integrated energy supply system based on the combination of multi-energy complementation and multi-industry according to claim 1, wherein the hydro-power generation unit comprises at least a water guiding mechanism and a hydro-generator, wherein,
the hydraulic generator is connected with the water guide mechanism and is used for converting the kinetic energy of water into electric energy;
the hydraulic generator is connected with the server terminal and is used for storing electric energy obtained by hydraulic conversion to the energy storage module according to a control instruction of the server terminal, or boosting the collected current through the boosting transformer and then integrating the boosted current into the power grid, or supplying the boosted current to the electric load unit.
7. A control method of an integrated energy supply system based on combination of multi-energy complementation and multi-production, based on the integrated energy supply system based on combination of multi-energy complementation and multi-production as claimed in any one of claims 1-6, characterized by comprising the following steps:
step S1, calculating the total power generation amount and the total power load amount of the comprehensive energy supply system;
step S2, calculating the difference value between the total power generation amount and the total energy storage amount of the comprehensive energy supply system and the total power load,
when (when)Pi is the generated power of each unit in the comprehensive energy supply module, C is the total electric quantity of the energy storage module, li is each electric load in the electric load unit, and the power is supplied to the power grid through the step-down transformer so as to make up the difference requirement of the electric loads;
when (when)The surplus generated electricity is integrated into electricity through the step-up transformerA net to produce economic benefits;
when (when)The energy storage module is used for carrying out electric quantity balance adjustment on the total power generation amount and the total power load amount;
step S3, calculating heat Q of heat exchanger of methane combustion generator set in comprehensive energy supply system Total (S) To establish a heat load supply and demand balance, wherein the heat load supply and demand balance control logic, in particular:
when (when)And T is 1 >T Order of (A) Delta is a heat loss coefficient, qi is Q1 for heat load demand of a heat exchanger of a pyrolysis unit of the biogas digester, Q2 for heat load demand of a heat exchanger of a biogas gasification supply unit, Q3 for heating load demand of residents, Q4 for heating load demand of pasture industry, Q5 for heating load demand of hot spring industry and T Order of (A) For the target heat storage temperature, when the above condition is satisfied, the opening degree of the third control valve is +.>The opening degree of the tenth control valve is +.>The opening of the eighth control valve is adaptively adjusted along with the second temperature sensor, and other control valves are all opened to adjust the water temperature of the heat storage tank, so that the damage to equipment caused by the fact that the heat storage temperature of the heat storage tank is continuously too high is avoided;
when (when)And T is 1 ≤T Order of (A) When the above condition is satisfied, the opening degree of the third control valve is +.>The opening degree of the tenth control valve is +.>The opening of the eighth control valve is adaptively adjusted along with the second temperature sensor, and other control valves are all opened so as to improve the heat accumulation capacity of the heat accumulation pool;
when (when)And T is 1 >T Order of (A) When the above condition is satisfied, the third control valve is closed, and the opening degree of the first control valve isThe opening of the eighth control valve is adaptively adjusted along with the second temperature sensor, and other control valves are all opened so as to ensure the heat load requirement of the heat exchanger of the pyrolysis unit of the methane tank and the heat load requirement of the heat exchanger of the methane gasification supply unit preferentially;
when (when)And T is 1 ≤T Order of (A) When the above condition is satisfied, the third control valve is closed, and the opening degree of the first control valve is +.>The opening of the fourth control valve is +.>The opening of the eighth control valve is adaptively adjusted along with the second temperature sensor, other control valves are all opened, and the insufficient part of the heating heat load of the hot spring industry is electrically heated by adopting an auxiliary heater so as to ensure the heat load demand of the heat exchanger of the pyrolysis unit of the methane tank and the heat load demand of the heat exchanger of the methane gasification supply unit preferentially, and ensure the heating heat load demand of residents and the heating heat load demand of the pastoral industry;
and S4, calculating the thermal load unit and the electric load unit in real time, solving the thermal load requirement and the electric load requirement of each component in real time, and controlling and timely responding each control valve and each electric energy circulation path in the comprehensive energy supply system.
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