CN109184916A - The method of comprehensive energy router device and energy conversion - Google Patents
The method of comprehensive energy router device and energy conversion Download PDFInfo
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- CN109184916A CN109184916A CN201810980329.7A CN201810980329A CN109184916A CN 109184916 A CN109184916 A CN 109184916A CN 201810980329 A CN201810980329 A CN 201810980329A CN 109184916 A CN109184916 A CN 109184916A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 73
- 239000002918 waste heat Substances 0.000 claims abstract description 45
- 230000005611 electricity Effects 0.000 claims abstract description 43
- 238000003860 storage Methods 0.000 claims abstract description 33
- 238000010248 power generation Methods 0.000 claims abstract description 25
- 238000005485 electric heating Methods 0.000 claims abstract description 16
- 238000004146 energy storage Methods 0.000 claims abstract description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000003546 flue gas Substances 0.000 claims abstract description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 46
- 238000005057 refrigeration Methods 0.000 claims description 38
- 239000003345 natural gas Substances 0.000 claims description 24
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- 238000010521 absorption reaction Methods 0.000 claims description 12
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- 238000002485 combustion reaction Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 5
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical compound FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 3
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
- F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
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- 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
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
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- 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
- H02J15/00—Systems for storing electric 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
- H02S10/12—Hybrid wind-PV energy systems
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] 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
- Y02E10/70—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
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The present invention provides a kind of comprehensive energy router device and the methods of energy conversion, the equipment includes: miniature gas turbine, device for generating power by waste heat, electric storage device and heat-storing device etc., which absorbs waste heat from the high-temperature flue gas after miniature gas turbine burning and carry out Organic Rankine Cycle；The method of the energy conversion includes: to determine heat pattern, electricity determining by heat mode and electric heating automatic adjustment mode with electricity；Therefore, the invention proposes it is a kind of comprising solar power generation, wind power generation, energy storage, organic rankine cycle system and traditional cold, heat and power triple supply system comprehensive energy router device, make preferably to interconnect and convert between the energy by comprehensive energy coupling model, so that electric energy and thermal energy flexible allocation well, and establish three economic cost, energy consumption and disposal of pollutants optimization aims；Compared to traditional energy network, equipment of the invention can greatly improve comprehensive utilization rate of energy source, reduce the discharge of pollutant, to increase economic efficiency.
Description
Technical field
The invention belongs to electrical engineering technical fields, and in particular to a kind of comprehensive energy router device and energy conversion
Method.
Background technique
Electric power required for current needs end, heating and natural gas are all supplies separate, and electric power is by power grid system
System supply, heating realize that centralizedly supply, natural gas are supplied directly to user by combustion gas network by community.In order to better adapt to point
The access form of cloth power generation, improves the consumption rate of renewable energy power generation, power supply starts to community-level micro power network
Direction is developed, and supply district is gradually overlapped with community's heating range.Using gas internal-combustion engine or gas turbine as the cool and thermal power of core
Combined supply system recycles the high temperature air generated after combustion power generation, is partially used for subsequent power generation process, is partially used for
Community's heat supply realizes the joint supply of cold heat and power at source, and the comprehensive utilization ratio of the energy greatly improved, this
It is the energy mutual contact mode of comparative maturity at this stage.Although existing cold, heat and power triple supply system comes into operation at present, its heat
The cluster of electricity produces so that power generation and heat production can not flexible allocations well.
In order to more preferably realize the coupling of the energy, the comprehensive utilization ratio of the energy is further promoted, is electrically and thermally needed further
Conversion interconnection, therefore, designing a kind of comprehensive energy router for capableing of depth coupling electric energy and thermal energy is very important.Electricity
Thermal energy can be converted to by equipment such as electric boilers as high-grade energy, and thermal energy can also be promoted by exchanging heat with organic working medium
The mode for making working medium evaporation expand against piston acting generates electricity, at present waste heat hair of the effect preferably based on Organic Rankine Cycle
Electric installation, this provides possibility for the design of comprehensive energy router.
Summary of the invention
With the proposition and development of energy internet concept, the demand of energy source interconnection coupling is constantly promoted, and the present invention is directed to
Deficiency in the prior art, primary and foremost purpose are to provide a kind of comprehensive energy router device.
Second object of the present invention is the method for realizing energy conversion using above-mentioned comprehensive energy router device.
In order to achieve the above objectives, solution of the invention is:
The non-renewable energy that the comprehensive energy router device uses includes solar energy, wind energy and natural gas, and solar energy is used for
Power generation and thermal-arrest, wind energy for generating electricity, natural gas for generating electricity, heat production and gas supply；In fact, the present invention makes full use of the sun
The renewable energy such as energy and wind energy, mainly using clean energy resourcies such as natural gases.
A kind of comprehensive energy router device comprising: miniature gas turbine, device for generating power by waste heat, electric storage device and storage
Thermal.
One end of miniature gas turbine is connected with natural gas, with by the burning of combustion gas by chemical energy be converted to thermal energy and
Mechanical energy, and convert mechanical energy into electric energy.In fact, its electric heating ratio (i.e. the ratio of electric energy and thermal energy) can be taken out by control
Tolerance is adjusted, to realize large range of electric heating distribution ratio, the selection of this range is referring also to miniature gas turbine
Model and applying working condition, it is depending on the circumstances；Combustion gas is natural gas.
Specifically, the Principles of Regulation of electric heating ratio are as follows: generate high-temperature flue gas after miniature gas turbine burning, a portion is followed
Ring is used for the combustion process of miniature gas turbine, to help to promote the efficiency produced electricity；Another part is by way of pumping
It detaches away and injects heat supply network by heat exchange.Therefore, pumping is fewer, and power output is more, and corresponding thermal energy output is fewer.
Device for generating power by waste heat, one end are connected with miniature gas turbine, and the other end is connected with goddess of lightning's line, by micro-gas-turbine
Waste heat in machine is further converted into electric energy.
Electric storage device, and goddess of lightning's line diconnected, to store electric energy when electric energy is in liberal supply, in electric energy insufficient supply
Discharge electric energy.
Heat-storing device, one end are connected with heat supply main pipe, and the other end is connected with thermic load, when thermal energy is in liberal supply
Thermal energy is stored, discharges thermal energy in thermal energy insufficient supply.
Wherein, cold energy can be provided respectively by electric energy and thermal energy, can also be by the two joint supply.
In fact, a kind of comprehensive energy router device, further include: boiler, electric refrigerating machine, Absorption Refrigerator, too
Positive energy power generator, wind power generation plant and solar thermal collector.
Boiler, one end are passed through combustion gas, and the other end is connected with heat supply main pipe, to generate thermal energy by the burning of combustion gas.Pot
Furnace is gas fired-boiler.
Electric refrigerating machine, one end are connected with goddess of lightning's line, and the other end is connected with refrigeration duty, by the electricity in community energy network
Cold energy can be converted to, wherein the source of electric energy may include photovoltaic, wind-powered electricity generation, miniature gas turbine power supply, storage and power grid.
Absorption Refrigerator, one end are connected with heat supply main pipe, and the other end is connected with refrigeration duty, and boiler is generated
Thermal energy is converted to cold energy.
Device of solar generating is connected with goddess of lightning's line, to convert the solar into electric energy.
Wind power generation plant is connected with goddess of lightning's line, to convert wind energy into electric energy.
Solar thermal collector, dispersed placement, to convert the solar into thermal energy.
Preferably, device for generating power by waste heat is the low-temperature cogeneration device based on Organic Rankine Cycle, that is, uses trifluoro two
The organic working medium appropriate of one or more of chloroethanes (R123) or pentafluoropropane (R245fa) is burnt from miniature gas turbine
Waste heat is absorbed in high-temperature flue gas afterwards carries out Organic Rankine Cycle.
Preferably, any one or a few in battery, super capacitor and blowing plant of electric storage device；Storage
Hot charging is set to hot water storage tank.
Preferably, miniature gas turbine, device of solar generating, wind power generation plant, device for generating power by waste heat and storage
Device joint supply electric load；Electric refrigerating machine and Absorption Refrigerator supply refrigeration duty；Solar thermal collector, boiler, miniature combustion
Gas-turbine and heat-storing device joint supply thermic load；Gas load is directly supplied in combustion gas.
Comprehensive energy router device of the invention, for main non-renewable energy, makes full use of solar energy, wind energy with natural gas
Equal renewable resources, a plurality of types of non-renewable energy interconnect conversion in the equipment, to meet refrigeration duty, heat required for user
The gentle load of load, electric load.
A method of energy conversion is realized according to above-mentioned comprehensive energy router device, in addition to electricity determining by heat and with
Outside the fixed hot two kinds of conventional operation strategies of electricity, it is also contemplated that the operation reserve that a kind of electric heating real-time adaptive is adjusted, i.e. electric heating are automatic
Shaping modes.
Preferably, heat pattern is determined using electricity and meets electric load as the electric energy that miniature gas turbine provides, the waste heat generated supplies
To thermic load and refrigeration duty.
Preferably, determined in heat pattern with electricity, if the waste heat that miniature gas turbine generates meets thermic load and refrigeration duty, remained
Under waste heat carry out power generation or heat accumulation；If the waste heat that miniature gas turbine generates is not able to satisfy thermic load and refrigeration duty, boiler
Supply with heat-storing device the difference of thermic load and refrigeration duty.
Because refrigeration duty can be supplied by thermal energy, boiler and heat-storing device can supply thermic load and refrigeration duty simultaneously
Difference.
Preferably, the thermal energy that electricity determining by heat mode generates for miniature gas turbine and boiler meets thermic load, while miniature
Gas turbine provides electric energy.
Preferably, in electricity determining by heat mode, if the electric energy that miniature gas turbine provides is unable to satisfy electric load, from electricity
Net side supplies the difference of electric load；If the electric energy that miniature gas turbine provides meets electric load, the electric energy of surplus is stored or is returned
To power grid.
Preferably, electric heating automatically adjusts mode and using cogeneration technology converts heat energy into electric energy, according to natural environment,
Load variations, energy supply and demand and turn of the market come automatically adjust the mutual conversion of electric energy and thermal energy with and meanwhile meet electric load and heat
Load.
Preferably, when cannot meet electric load and thermic load in electric heating automatic adjustment mode simultaneously, boiler supplies thermic load
With the difference of refrigeration duty, grid side supplies the difference of electric load.
Preferably, electric load is by miniature gas turbine, device of solar generating, wind power generation plant, device for generating power by waste heat
And electric storage device joint supply；Refrigeration duty is supplied by electric refrigerating machine and Absorption Refrigerator；Thermic load by solar thermal collector,
Boiler, miniature gas turbine and heat-storing device joint supply.
By adopting the above scheme, the beneficial effects of the present invention are:
The first, comprehensive energy router device of the invention carries out on the basis of traditional cold, heat and power triple supply system
It improves and upgrades, consider in thermal energy processing links and increase the low-temperature cogeneration technology based on Organic Rankine Cycle, not only
The waste heat for taking full advantage of miniature gas turbine generation improves the energy utilization rate of the equipment, but also is converted by thermal energy
The technology of electric energy alleviates the limitation of thermoelectricity binding production.
The second, comprehensive energy router device of the invention is filled using the clean energy resource natural gas in non-renewable energy as core
Divide using renewable energy such as solar energy, wind energies, further reduce the traditional fossil energy of heavy contamination uses specific gravity, from
And meet the requirement of energy-saving and emission-reduction；In addition, natural gas, solar energy and wind energy increased while combination in the equipment storage,
A variety of stored energy forms such as heat accumulation, and then the stability of energy supply greatly improved.
Third, energy conversion of the invention other than existing " electricity determining by heat " and " with the fixed heat of electricity " two kinds of methods of operation,
Also proposed the method for operation that a kind of electric heating real-time adaptive is adjusted, can according to the external conditions such as natural environment, load with
And market supply and demand and price change, miniature gas turbine and energy storage device (including electric storage device and heat accumulation are adjusted and controlled in real time
Device) power output size and operating status, to change the transformational relation of electric energy and thermal energy, so that electric energy and the fine kobold of thermal energy
Distribution living.
4th, comprehensive energy router device of the invention is under identical load condition, than existing traditional energy net
The energy supply operating cost of network is lower, comprehensive energy efficiency is higher and environment friendly is stronger.
In short, comprehensive energy router device of the invention is in cold, heat and power triple supply system and based on Organic Rankine Cycle
On the basis of low-temperature cogeneration technology, make preferably to interconnect and convert between the energy by establishing comprehensive energy coupling model,
The cold and hot various energy resources form such as electrical of depth coupling, to reach consumption rate, the comprehensive energy utilization rate for improving renewable energy
With the purpose of economic benefit；In addition, comprehensive energy router device of the present invention is not only a kind of responsible energy transmitting and converting
System equipment forms the control core provided multiple forms of energy to complement each other even more in conjunction with coordinated scheduling.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of comprehensive energy router device of the invention.
Fig. 2 is the method for operation flow chart of the method for energy conversion of the invention.
Fig. 3 is the flow chart of the solution procedure of particle swarm algorithm of the invention.
Appended drawing reference: device of solar generating 1, wind power generation plant 2, electric storage device 3, miniature gas turbine 4, waste heat hair
Electric installation 5, solar thermal collector 6, electric refrigerating machine 7, Absorption Refrigerator 8, boiler 9 and heat-storing device 10.
Specific embodiment
The present invention provides a kind of comprehensive energy router device and the methods of energy conversion.
<comprehensive energy router device>
As shown in Figure 1, a kind of comprehensive energy router device comprising: miniature gas turbine 4, device for generating power by waste heat 5,
Boiler 9, electric refrigerating machine 7, Absorption Refrigerator 8, electric storage device 3, heat-storing device 10, device of solar generating 1, wind-power electricity generation dress
Set 2 and solar thermal collector 6.
Wherein, the non-renewable energy which uses includes solar energy, wind energy and natural gas；Solar energy
For power generation and thermal-arrest；Wind energy is for generating electricity；Natural gas for generating electricity, heat production and gas supply.
In fact, solar energy, wind energy etc. belong to renewable energy in community energy network, preferentially uses and make its work
Make in maximum power point (mpp).The natural gas that miniature gas turbine 4 and boiler 9 etc. use belongs to clean energy resource, and pollution relatively passes
Fossil energy of uniting is small, and environmental benefit is good, affected by environment small, can be used as the major regulatory for meeting workload demand.
Wherein, one end of miniature gas turbine 4 is connected with the pipeline of natural gas, the other end respectively with goddess of lightning's line, heat supply
Main pipe and device for generating power by waste heat 5 are connected.Miniature gas turbine 4 selects the method for operation according to the actual situation, passes through the combustion of combustion gas
It burns and provides electric energy for user, be the main power source in comprehensive energy router device, while generating thermal energy；Specifically, electric energy and heat
The ratio (i.e. electric heating ratio) of energy can be adjusted by controlling sucking rate, and combustion gas is natural gas, therefore, miniature gas turbine 4
The joint supply of power generation and heat production is realized by the burning of natural gas.
One end of device for generating power by waste heat 5 is connected with miniature gas turbine 4 by pipeline, and the other end is connected with goddess of lightning's line,
Not only it is connected with electric storage device 3, but also is connected with electric load.Device for generating power by waste heat 5 based on Organic Rankine Cycle, is adopted
It is inhaled from the high-temperature flue gas after the burning of miniature gas turbine 4 with organic working medium appropriate (one or more of R123 or R245fa)
It receives waste heat and carries out Organic Rankine Cycle, the thermal energy in high-temperature flue gas in miniature gas turbine 4 is converted into electric energy, that is, is made full use of
Wherein low-grade thermal energy is converted to high-grade electric energy.
One end of boiler 9 is connected with the pipeline of natural gas, and the other end is connected with heat supply main pipe.Boiler 9 passes through combustion gas
Burning provide thermal energy for user, be the main heat source of comprehensive energy router device.
One end of electric refrigerating machine 7 is connected with goddess of lightning's line, and the other end is connected by pipeline with refrigeration duty.Electric refrigerating machine 7 will
Electric energy in community energy network is converted to cold energy, i.e., provides required refrigeration duty by consumption electric energy for user, wherein electricity
The source of energy may include photovoltaic, wind-powered electricity generation, miniature gas turbine power generation, storage and power grid.
One end of Absorption Refrigerator 8 is connected with heat supply main pipe, and the other end is connected by pipeline with refrigeration duty.It absorbs
The thermal energy that boiler 9 generates is converted to cold energy by formula refrigeration machine 8, i.e., provides required refrigeration duty by consumption thermal energy for user.
Electric storage device 3 and goddess of lightning's line diconnected.Electric storage device 3 stores electric energy when electric energy is in liberal supply, supplies in electric energy
Electric energy is discharged when answering deficiency, wherein electric storage device 3 can be realized by battery, super capacitor and blowing plant etc..
One end of heat-storing device 10 is connected with heat supply main pipe, and the other end is connected by pipeline with thermic load.Heat accumulation dress
It sets 10 and stores thermal energy when thermal energy is in liberal supply, discharge thermal energy in thermal energy insufficient supply, wherein heat-storing device 10 can be by storing
Boiler is completed.
In fact, electric storage device 3 and heat-storing device 10 be under the premise of meeting various constraint conditions, and pass through population etc.
Intelligent algorithm can solve optimal charge and discharge can strategy, the i.e. energy of energy storage device (including electric storage device 3 and heat-storing device 10)
Two-way flow may be implemented, energy can be absorbed when accumulation of energy by filling, and be considered as load, be can be regarded as energy source when releasing energy again
Head plays the role of energy supply peak load shifting.
Device of solar generating 1 is connected by inverter with goddess of lightning's line.Device of solar generating 1 converts the solar into electricity
Energy.
Wind power generation plant 2 is connected with goddess of lightning's line and converts wind energy into electric energy.
6 dispersed placement of solar thermal collector.Thermal energy is converted the solar into, and directly meets the thermic load of user.
Specifically, miniature gas turbine 4, device of solar generating 1, wind power generation plant 2, device for generating power by waste heat 5 and
Electric storage device 3 completes the supply of electric load jointly；Electric refrigerating machine 7 and Absorption Refrigerator 8 supply refrigeration duty；Solar thermal collector
6, boiler 9, miniature gas turbine 4 and heat-storing device 10 complete the supply of thermic load jointly；The pipeline of natural gas is directly supplied
Gas load.
<method of energy conversion>
During comprehensive energy router device of the invention runs control, increase based on Organic Rankine Cycle
After device for generating power by waste heat 5, the distribution of the waste heat of miniature gas turbine 4 includes three kinds of situations: the whole supply thermic load and cold negative of waste heat
Lotus；Waste heat part supplies thermic load and refrigeration duty, and part generates electricity；Waste heat is completely used for generating electricity.But the efficiency of cogeneration compared with
Low, waste heat preferentially supplies thermic load and refrigeration duty, meet thermic load and refrigeration duty or without thermic load, refrigeration duty in the case where,
Waste heat is for generating electricity, and therefore, the angle supplied from electro thermal coupling, the present invention realizes that the energy turns using comprehensive energy router device
The method changed includes: to determine heat pattern, electricity determining by heat mode and electric heating automatic adjustment mode with electricity.
As shown in Fig. 2, when determining heat pattern operation in the method for energy conversion with electricity, the electricity of the offer of miniature gas turbine 4
The electric load of community can preferentially be met, the waste heat supply thermic load and refrigeration duty generated, more than the generation of miniature gas turbine 4
When heat meets thermic load and refrigeration duty and has surplus, the thermal energy of surplus part carries out power generation or heat accumulation；When miniature gas turbine 4 produces
Raw waste heat is not able to satisfy thermic load and when refrigeration duty, and boiler 9 and heat-storing device 10 supply the difference of thermic load and refrigeration duty
Volume.Wherein, because refrigeration duty can be supplied by thermal energy, boiler 9 and heat-storing device 10 can supply thermic load and cold simultaneously
The difference of load.
When electricity determining by heat mode operation in the method for energy conversion, what the waste heat and boiler 9 of miniature gas turbine 4 generated
Thermal energy preferentially meets the thermic load of community, when miniature gas turbine 4 provide electric energy be not able to satisfy the electric load of community when, then from
Supply the difference of electric load in bulk power grid side；When the electric energy that miniature gas turbine 4 provides meets the electric load of community and has surplus,
The electric energy of surplus stores or is returned to power grid.
When automatically adjusting mode operation in the method for energy conversion with electric heating, photovoltaic power output can be according to temperature and illumination
The variation tendency and historical data of intensity are predicted that load prediction can also be according to historical data using neural network algorithm
It obtains, lays the foundation for real-time monitoring.Meanwhile considering energy supply and demand and market price variation, using particle swarm algorithm (as schemed
Shown in 3) the optimal of miniature gas turbine 4 and energy storage device (including electric storage device 3 and heat-storing device 10) is found in feasible zone
Solution, rapidly obtains the optimized operation state of each equipment in this case.In the process, since photovoltaic power output and load need
It asks and is among dynamic change, miniature gas turbine 4, device for generating power by waste heat 5 and energy storage device (including 3 He of electric storage device
Heat-storing device 10) electric heating transformational relation and optimized operation state also follow dynamic change, comprehensive energy router device passes through
The output state of the air inflow, sucking rate real-time monitoring miniature gas turbine 4 that control miniature gas turbine 4 is allowed to work optimal
Operating point, and also work is allowed to by the flow direction of energy in control energy storage device (including electric storage device 3 and heat-storing device 10)
Make in optimized operation point.If when the equipment power output of optimized operation point cannot meet the electric load and thermic load of user simultaneously,
The difference that thermic load and refrigeration duty are supplied by boiler 9 is responsible for supplying the difference of electric load by grid side.Wherein, optimized operation point
Selection principle include economic index, target energy and environmental index, be specifically shown in following objective function.
Specifically, the supply of electric load can by miniature gas turbine 4, device of solar generating 1, wind power generation plant 2,
Device for generating power by waste heat 5 and electric storage device 3 are completed jointly；The supply of refrigeration duty can be by electric refrigerating machine 7 and Absorption Refrigerator 8
It individually completes or completes jointly；The supply of thermic load can be by solar thermal collector 6, boiler 9, miniature gas turbine 4 and storage
Thermal 10 is completed jointly.
In fact, the essence of comprehensive energy router device is to express the function pass of multiple-energy-source input and multiple-energy-source output
System, under the premise of not considering transient state situation in energy sources conversion, can indicate comprehensive energy router device with matrix
Ideal steady-state model, formula specific as follows:
Wherein, Li(i=1,2 ..., n) indicates the output of i-th kind of energy form of comprehensive energy router device；Pj(j=
1,2 ... m) indicate the input of the jth kind energy form of comprehensive energy router device；cijIt is coupling factor, is generally by distribution
Several and efficiency factor two parts composition.
On the basis of comprehensive energy router device, for the operation shape of the comprehensive energy router device of fixed configurations
State carries out multiple-objection optimization solution.The mathematical form of multiple-objection optimization are as follows:
Wherein, x is optimized variable, and Ω is decision space, and y is objective function, fi(i=1,2 ..., n) it is i-th of optimization
Target, G (x) and H (x) are respectively equality constraint and inequality constraints.For comprehensive energy router device, optimization of the invention
Variable is the operating status of miniature gas turbine, heat-storing device and electric storage device, and optimization aim is respectively economic index, the energy
Index and environmental index.
(economic index)
Economic index F1As unit of year, because equipment installation may be influenced by national policy etc., economy
Index only considers operating cost CopWith Energy Consumption Cost Cenergy:
F1=Cop+Cenergy
Operating cost CopAre as follows:
Energy Consumption Cost CenergyAre as follows:
Wherein, NiFor the unit number of units of the i-th class equipment, OMiFor the expense that separate unit the i-th class equipment is run under specific load,
Ei,hFor the i-th class equipment load hourly, VGas, hFor the gas consumption hourly of equipment, PgasFor the price of natural gas, Cele
For from the expense of bulk power grid power purchase.
(target energy)
The present invention is with primary energy consumption amount F2As target energy, primary energy consumption amount refers to system consumption natural gas
The energy of primary energy consumption corresponding to amount and purchase electricity.Primary energy utilization ratio refer to system output energy summation with
The ratio of primary energy consumption amount summation, primary energy utilization ratio is higher, and the energy-saving effect of system is better.
F2=Egridσe+GINσf
Wherein, EgridIt is power grid purchase of electricity, GINIt is the input quantity of natural gas, σeAnd σfRespectively power grid purchase of electricity and natural
The conversion coefficient of non-renewable energy corresponding to gas.
(environmental index)
Environmental index mainly includes two parts of carbon emission amount and nitrogen discharged amount, and the present invention represents environment using carbon emission amount
Index F3:
F3=Egridμe,C+GINμf,C
Wherein, μe,C、μf,CRespectively indicate power grid electric energy and the corresponding carbon emission coefficient of natural gas.
The present invention is further illustrated with reference to embodiments.
Embodiment:
The present invention chooses embodiment of the Guangzhou market building as verifying comprehensive energy router device, the market
Construction area is 6000m2, air-conditioning area coverage is 5037m2, the typical date of winter, summer and conditioning in Transition Season is chosen as research
Basis is simulated its consumption information and is calculated, and specific solve uses particle swarm algorithm, the process of the solution procedure of particle swarm algorithm
Figure is as shown in Figure 3.
Comprehensive energy router device and the existing micro-capacitance sensor comprising distributed energy are compared in analysis, and objective result data are such as
Shown in table 1.
The Optimal Parameters of table 1 traditional energy network and comprehensive energy router device
| Optimization aim | Traditional energy network | Comprehensive energy router device |
| Economic indicator | 1070000 yuan | 1040000 yuan |
| Primary energy consumption amount | 3064.4 megawatt hour | 1990.0 megawatt hour |
| Energy utilization rate | 56.8% | 87.5% |
| Carbon emission amount | 202.2 ton | 131.1 ton |
As shown in Table 1, in terms of economy, the O&M cost of comprehensive energy router device proposed by the present invention is lower than existing
There is system (i.e. traditional energy network), and this economic indicator does not include environmental benefit brought by comprehensive energy router device,
After considering environmental benefit, totle drilling cost of the invention is substantially better than existing traditional energy network.
In terms of energy consumption, the primary energy consumption amount and existing biography of comprehensive energy router device proposed by the present invention
System energy network is compared to having dropped 35.1%, energy utilization rate then improves 30.7%, therefore, it was demonstrated that the present invention refers in the energy
Mark aspect is much better than current traditional energy network.
In terms of environmental benefit, the carbon emission amount of comprehensive energy router device proposed by the present invention is than traditional energy network
Lack 35.2%, while nitrogen discharged amount relevant to environmental index is also accordingly reduced, therefore, comprehensive energy router of the invention
Equipment is main non-renewable energy using solar energy and natural gas, to reduce the total emission volumn of carbon, can preferably be alleviated at present
The environmental problems such as greenhouse effects, meet the thought of energy-saving and emission-reduction, embodied the advantage of new energy coupled system.
Therefore the correctness and superiority of comprehensive energy router device of the invention are demonstrated by this embodiment.
The above-mentioned description to embodiment is that this hair can be understood and used for the ease of those skilled in the art
It is bright.Those skilled in the art obviously readily can make various modifications to these embodiments, and described herein one
As principle be applied in other embodiments, without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments.
Those skilled in the art's principle according to the present invention, not departing from improvement that scope of the invention is made and modification all should be at this
Within the protection scope of invention.
Claims (9)
1. a kind of comprehensive energy router device, it is characterised in that: comprising:
Miniature gas turbine, input terminal are passed through combustion gas, chemical energy is converted to thermal energy and mechanical energy by the burning of combustion gas, and
Convert mechanical energy into electric energy；
Device for generating power by waste heat, one end are connected with the miniature gas turbine, and the other end is connected with goddess of lightning's line, by the miniature combustion
Waste heat in gas-turbine is further converted into electric energy；
Electric storage device is connected with goddess of lightning's line, and to store electric energy when electric energy is in liberal supply, electricity is discharged in electric energy insufficient supply
Energy；And
Heat-storing device, one end are connected with heat supply main pipe, and the other end is connected with thermic load, to store when thermal energy is in liberal supply
Thermal energy discharges thermal energy in thermal energy insufficient supply.
2. comprehensive energy router device according to claim 1, it is characterised in that: its further include:
Boiler, one end are passed through combustion gas, and the other end is connected with heat supply main pipe, to generate thermal energy by the burning of combustion gas；
Electric refrigerating machine, one end are connected with goddess of lightning's line, and the other end is connected with refrigeration duty, to convert electrical energy into cold energy；
Absorption Refrigerator, one end are connected with heat supply main pipe, and the other end is connected with refrigeration duty, and the boiler is generated
Thermal energy is converted to cold energy；
Device of solar generating is connected with goddess of lightning's line, to convert the solar into electric energy；
Wind power generation plant is connected with goddess of lightning's line, to convert wind energy into electric energy；And
Solar thermal collector, dispersed placement, to convert the solar into thermal energy；
Wherein, the device for generating power by waste heat is the low-temperature cogeneration device based on Organic Rankine Cycle；
The boiler is gas fired-boiler；
The combustion gas is natural gas.
3. comprehensive energy router device according to claim 1, it is characterised in that: thermal energy in the miniature gas turbine
It is adjusted with the ratio of electric energy by controlling sucking rate.
4. comprehensive energy router device according to claim 1, it is characterised in that: used in the device for generating power by waste heat
Organic working medium be selected from one or more of trifluorobichloroethane and pentafluoropropane, the organic working medium is from the micro-gas-turbine
Waste heat, which is absorbed, in high-temperature flue gas after machine burning carries out Organic Rankine Cycle.
5. comprehensive energy router device according to claim 1, it is characterised in that: the electric storage device is selected from electric power storage
Any one or a few in pond, super capacitor and blowing plant；
The heat-storing device is hot water storage tank.
6. comprehensive energy router device according to claim 1-5, it is characterised in that: the micro-gas-turbine
Machine, the device of solar generating, the wind power generation plant, the device for generating power by waste heat and electric storage device joint supply
Answer electric load；
The electric refrigerating machine and the Absorption Refrigerator supply refrigeration duty；
The solar thermal collector, the boiler, the miniature gas turbine and the heat-storing device joint supply thermic load；
Gas load is directly supplied in the combustion gas.
7. a kind of method that comprehensive energy router device according to claim 1-5 realizes energy conversion,
It is characterized in that: comprising: which electric heating automatically adjusts mode；
Electric heating automatic adjustment mode converts heat energy into electric energy using cogeneration technology, according to the mutual of electric energy and thermal energy
Conversion to meet electric load and thermic load simultaneously；And/or
When cannot meet electric load and thermic load in the electric heating automatic adjustment mode simultaneously, boiler supplies thermic load and refrigeration duty
Difference, grid side supplies the difference of electric load.
8. the method that comprehensive energy router device according to claim 7 realizes energy conversion, it is characterised in that: it is also
It include: that heat pattern and electricity determining by heat mode are determined with electricity；
Described determine heat pattern using electricity be that the electric energy that miniature gas turbine provides meets electric load, the waste heat supply thermic load of generation
And refrigeration duty；And/or
It is described to be determined in heat pattern with electricity, if the waste heat that the miniature gas turbine generates meets thermic load and refrigeration duty, it is left
Waste heat carry out power generation or heat accumulation；If the waste heat that the miniature gas turbine generates is not able to satisfy thermic load and refrigeration duty, pot
Furnace and heat-storing device supply the difference of thermic load and refrigeration duty；And/or
The electricity determining by heat mode is that the thermal energy that miniature gas turbine and boiler generate meets thermic load, while miniature gas turbine
Electric energy is provided；And/or
In the electricity determining by heat mode, if the electric energy that the miniature gas turbine provides is unable to satisfy electric load, from power grid
Supply the difference of electric load in side；If the electric energy that the miniature gas turbine provides meets electric load, the electric energy storage of surplus or
It is returned to power grid.
9. the method that comprehensive energy router device according to claim 7 realizes energy conversion, it is characterised in that: described
Electric load is by the miniature gas turbine, the device of solar generating, the wind power generation plant, the device for generating power by waste heat
And the electric storage device joint supply；
The refrigeration duty is supplied by the electric refrigerating machine and the Absorption Refrigerator；
The thermic load is joined by the solar thermal collector, the boiler, the miniature gas turbine and the heat-storing device
Close supply.
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| CN111724045A (en) * | 2020-05-29 | 2020-09-29 | 天津大学 | Comprehensive energy system energy efficiency evaluation and promotion method based on data driving |
| CN112282937A (en) * | 2020-11-19 | 2021-01-29 | 北京全四维动力科技有限公司 | Gas turbine system and coupling power system based on gas turbine system and new energy power generation system |
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| CN114256885A (en) * | 2021-12-22 | 2022-03-29 | 西安西热锅炉环保工程有限公司 | Comprehensive energy system of thermal power plant adapting to user load demand change and regulation and control method |
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