CN108625913A - It is a kind of to be electrically connected for system based on optically focused frequency division photovoltaic photo-thermal and the distributed cold and heat of duplex conjunction Rankine cycle technology - Google Patents
It is a kind of to be electrically connected for system based on optically focused frequency division photovoltaic photo-thermal and the distributed cold and heat of duplex conjunction Rankine cycle technology Download PDFInfo
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- CN108625913A CN108625913A CN201810648233.0A CN201810648233A CN108625913A CN 108625913 A CN108625913 A CN 108625913A CN 201810648233 A CN201810648233 A CN 201810648233A CN 108625913 A CN108625913 A CN 108625913A
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- 238000005516 engineering process Methods 0.000 title claims abstract description 22
- 238000011084 recovery Methods 0.000 claims abstract description 26
- 239000002918 waste heat Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000005057 refrigeration Methods 0.000 claims abstract description 20
- 238000010248 power generation Methods 0.000 claims abstract description 13
- 229910001220 stainless steel Inorganic materials 0.000 claims description 27
- 239000010935 stainless steel Substances 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 14
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 8
- 150000008282 halocarbons Chemical group 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 10
- 239000003546 flue gas Substances 0.000 abstract description 10
- 238000002485 combustion reaction Methods 0.000 abstract description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 239000003345 natural gas Substances 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 15
- 239000010408 film Substances 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical compound FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- -1 R123 Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
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- 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
- 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
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
-
- 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
- F01K23/04—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 condensation heat from one cycle heating the fluid in another cycle
-
- 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
- F01K23/065—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 the combustion taking place in an internal combustion piston engine, e.g. a diesel engine
-
- 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
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
- F02G5/02—Profiting from waste heat of exhaust gases
- F02G5/04—Profiting from waste heat of exhaust gases in combination with other waste heat from combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
-
- 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
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G2260/00—Recuperating heat from exhaust gases of combustion engines and heat from cooling circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
- F24F2005/0067—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy with photovoltaic panels
-
- 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
- Y02E10/60—Thermal-PV hybrids
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a kind of distributed cold and heats closing Rankine cycle technology based on optically focused frequency division photovoltaic photo-thermal and duplex to be electrically connected for system, Rankine cycle exhaust heat recovery power generation subsystem, optically focused frequency division photovoltaic photo-thermal device, heat pump cycle heat supply/for refrigeration subsystem, AC/DC inverters, controller, DC/AC inverters, accumulator are closed including jacket water waste heat recovery subsystem, duplex, it is burnt in internal combustion engine using natural gas and generates electric power, the high-temperature flue gas waste heat and high temperature jacket water waste heat that recycling internal combustion engine generates are for generating electricity；Using sunlight by optically focused and frequency splitting technology, part sunlight is used for photovoltaic cell capable of generating power, the present invention has energy utilization efficiency high, and energy utilization mode is reasonable；It is not influenced by area, weather, time change, it can be achieved that can realize personalized energy output while stable energy exports according to user demand again；It is compact-sized, be easy to modularization installation；Realize the advantages of new energy is combined with traditional energy, reaches energy-saving and emission-reduction and environmental protection.
Description
Technical field
The invention belongs to cogeneration of heat and power technical field, more particularly to one kind are bright based on optically focused frequency division photovoltaic photo-thermal and duplex conjunction
The distributed cold and heat for agreeing circulating technology is electrically connected for system.
Background technology
Photovoltaic cell its generating efficiency commercially produced on the market at present is probably 20% or so.Why generate electricity
It is and the sunlight quilt of remaining wave band because the sunlight that photovoltaic cell only absorbs specific band is allowed to produce electricl energy that efficiency is relatively low
Photovoltaic cell, which absorbs generation heat, makes battery temperature increase.And the generating efficiency of photovoltaic cell with the raising of battery temperature and under
Drop, to the problem for causing photovoltaic cell capable of generating power inefficient.
Optically focused frequency division photovoltaic photo-thermal technology is a kind of new paragon of Solar use.Sunlight is assembled using beam condensing unit
Get up, branched away the sunlight of different-waveband by the method for frequency dividing and is used using reasonable manner.Common point
Frequency method is liquid absorptive frequency dividing and film interference formula frequency dividing.Liquid absorptive frequency dividing is to use some special liquid, example
Such as ethylene glycol, propylene glycol, nano-fluid are inhaled using the different feature of its absorption (transmission) rate to different-waveband sunlight
The low light of yield penetrates liquid, and the high light of absorptivity generates heat by liquid absorption and the temperature of liquid is made to increase；Film interference
Formula frequency dividing is then that the optical thin film of two kinds or the above different refractivity is periodically superimposed so that a certain wave band
Solar energy largely penetrates film, and remainder is realized and filtered by film reflector.
Organic Rankine Cycle is a kind of new paragon of heat recovery, using low-boiling-point organic compound as cycle fluid,
The recycling of middle-low temperature heat can be achieved.Organic Rankine Cycle is excellent because its equipment volume is small, easy for installation, application field is wide etc.
Point, development prospect will be significantly larger than traditional rankine cycle.
Existing combustion gas cold, heat and electricity triple supply system, the high-temperature flue gas for generation that typically combustion gas is burnt in internal combustion engine
(500 °C or so) are directly used in absorption refrigerating equipment or the heat source as heat pump cycle realizes refrigeration or heating.But pair and city
For public building, family's building among city, the heat source temperature needed for these equipment often can reach heating less than 200 DEG C
Or the effect of refrigeration, this will result in the loss of a big chunk waste heat acting ability.And existing Organic Rankine Cycle is used
In the related patents that cold, heat and electricity triple supply is realized in waste heat recovery, typically high-temperature flue gas is driven directly as heat source organic bright
Agree cycle, but heat source temperature is excessively high to be adversely affected to the performance of cycle fluid, and then influences the working efficiency of system.
Invention content
The present invention is insufficient according to prior art and defect, it is proposed that one kind is closed based on optically focused frequency division photovoltaic photo-thermal and duplex
The distributed cold and heat of Rankine cycle technology is electrically connected for system, and it is an object of the present invention to provide a kind of energy utilization efficiency is high, energy utilization side
Formula is reasonable；It is not influenced by area, weather, time change, it again can be according to user demand reality while realizing stable energy output
Existing personalized energy output；Realize the new system that new energy is combined with traditional energy.
The technical solution adopted by the present invention is as follows：
It is a kind of to be electrically connected for system, packet based on optically focused frequency division photovoltaic photo-thermal and the distributed cold and heat of duplex conjunction Rankine cycle technology
Include jacket water waste heat recovery subsystem, duplex closes Rankine cycle exhaust heat recovery power generation subsystem, optically focused frequency division photovoltaic photo-thermal device,
Heat pump cycle heat supply (cooling) subsystem, AC/DC inverters, controller, DC/AC inverters and accumulator；
The jacket water waste heat recovery subsystem is passed through not by oil-electric engine group, the second heat exchanger, the second working medium pump
Rust steel conduit is in turn connected to form the cylinder sleeve water-flow circuit of closure, and the jacket water in jacket water waste heat recovery subsystem passes through the
Two heat exchangers exchange heat with the working medium in low-temperature circulating system；Internal combustion engine power generation in the jacket water waste heat recovery subsystem
The electric power that unit generates is transmitted to AC/DC inverters by conducting wire.
It includes high temperature circulation system and low-temperature circulating system that the duplex, which closes Rankine cycle exhaust heat recovery power generation subsystem,；Institute
High temperature circulation system is stated by First Heat Exchanger, the first expanding machine, the first generator, the first condenser, the first working medium pump to be passed through not
Rust steel conduit is in turn connected to form the working medium circulation circuit of closure, and cycle fluid selects water；The low-temperature circulating system is by second
Heat exchanger, the first condenser, first flow regulating valve, first flowmeter, the second expanding machine, the second generator, the second condenser,
Third working medium pump is in turn connected to form the working medium circulation circuit of closure by stainless steel pipes, and cycle fluid selects halogenated hydrocarbons, example
Such as R123, R245fa；High temperature circulation system and low-temperature circulating system are coupled by the first condenser；Realize that duplex closes Rankine cycle
Waste heat recovery；The electric power that first generator of the high temperature circulation system and the second generator of low-temperature circulating system generate passes through
Conducting wire is transmitted to AC/DC inverters.
Heat pump cycle heat supply (cooling) subsystem is led to by second flow regulating valve, second flowmeter, third condenser
It crosses after stainless steel pipes are connected into a channel, passes through with by third flow control valve, third flowmeter, absorption refrigeration unit
After another article of channel parallel connection going of stainless steel pipes series connection again with third heat exchanger, compressor, motor, the 4th working medium pump
The working medium circulation circuit of closure is in turn connected to form by stainless steel pipes, cycle fluid selects halogenated hydrocarbons, such as R123.
The optically focused frequency division photovoltaic photo-thermal device is made of photovoltaic part and photo-thermal part.Wherein, the photo-thermal part is
Equipped with the double-deck quartz glass sleeve above the spectroscope of plated film, solid frequency divider, solid are housed in internal layer quartz glass tube
The material selection of frequency divider (37)Semiconductor microcrystallite doped-glass, equipped with absorbing in the internal layer quartz glass tube
Liquid, absorbing liquid select ethylene glycol or propylene glycol；The internal layer quartz glass tube is by stainless steel pipes and heat pump cycle for heater
Third heat exchanger connection in system；Photovoltaic part is to be equipped with equipped with photovoltaic cell and photovoltaic cell bottom in reflector bottom
Radiated rib.Electric energy is transmitted to controller by the photovoltaic part by conducting wire.
A direct current part from AC/DC inverters and photovoltaic part is passed to accumulator storage by the controller
It stores away, another part supplies DC load, and another part is changed into alternating current by DC/AC inverters, supplies AC load.
Controller also is used for regulating and controlling the charge and discharge process of accumulator, ensures that accumulator will not be overcharged or be crossed and puts, extends its use
Service life.
Whole power Transmission processes in the system are realized by conducting wire.
Beneficial effects of the present invention：
1, by traditional using fossil fuel as the distributed CCHP system of the energy and gathering using the sun as the energy
Light frequency division photovoltaic photo-thermal device is combined, and is realized heating or refrigeration by solar energy when sunny, is reduced the use of fossil fuel
Amount, thereby reduces CO2、SO2、NOxThe discharge of equal gases, achievees the purpose that energy-saving and emission-reduction and environmental protection.
2, energy utilization efficiency is high, and energy utilization mode is reasonable：Close what Rankine cycle recycling internal combustion engine generated using duplex
High-temperature flue gas waste heat and jacket water waste heat, avoid conventional gas distributed cold and heat electricity three even for system by high-temperature flue gas directly
The loss of waste heat acting ability caused by heating or refrigeration, in turn avoids that Organic Rankine Cycle is directly used for high-temperature flue gas
Waste heat recovery causes organic working medium to decompose to have adverse effect on thermal efficiency of cycle.It is high that Rankine cycle recycling is closed with duplex
Warm fume afterheat recycles solar heat by heat pump cycle, and the two combination can be better achieved the cascade utilization of energy, improve energy
Measure utilization ratio.
3, the energy output, it can be achieved that stablizing is not influenced by area, weather, time change：The sun spoke of different regions
Penetrate intensity difference, and if can not at this time still need to carry out using solar energy when raining, snowing either at night to heat or
Refrigeration, can open the 4th flow control valve, and a part is heated in the first condenser becomes gaseous low-temperature circulating working medium
Third heat exchanger is introduced, heat source driving heat pump cycle work is made, so as to avoid caused by solar energy supply is unstable
Heating load or the unstable problem of refrigerating capacity.
4, personalized energy may be implemented according to user demand to export：When sunny, photovoltaic light is divided by optically focused
Thermal receives solar energy and is converted into heat-driven heat pump cycle realization heating or freezes, and the second flow tune is adjusted in user
Section valve and the third flow control valve flow through the cycle of the third condenser and the absorption refrigeration unit to control
Working medium flow, and then adjust heating capacity or refrigerating capacity；When sunlight deficiency, opens the 4th flow control valve and adjust described the
Four flow control valves and the first flow regulating valve, the high-temperature gas working medium of part low-temperature circulating is drawn by stainless steel pipes
Enter third heat exchanger to drive heat pump cycle as heat source, then adjusts the second flow regulating valve and the third flow tune
Save the adjusting that valve realizes refrigerating capacity and heating capacity.In conclusion no matter sunny or sunlight is insufficient, the system can be real
Existing personalized energy output.
Description of the drawings
Fig. 1 is operating diagram of the system of present invention when sunny.
Fig. 2 is operating diagram of the system of the present invention in sunlight deficiency.
Fig. 3 is the structural schematic diagram of concentrating photovoltaic photo-thermal device.
Wherein, 1, oil-electric engine group, the 2, second heat exchanger, the 3, second working medium pump, 4, photo-thermal part, 5, photovoltaic portion
Point, 6, First Heat Exchanger, the 7, first expanding machine, the 8, first generator, the 9, first condenser, the 10, first working medium pump, 11, first
Flowmeter, 12, first flow regulating valve, the 13, second expanding machine, the 14, second generator, the 15, second condenser, 16, third work
Matter pumps, and 17, third heat exchanger, 18, compressor, 19, motor, 20, second flowmeter, 21, second flow regulating valve, 22, the
Three condensers, 23, third flowmeter, 24, third flow control valve, 25, absorption refrigeration unit, the 26, the 4th working medium pump, 27,
AC/DC inverters, 28, controller, 29, DC/AC inverters, 30, accumulator, the 31, the 4th flow control valve, the 32, the 4th flow
Meter, the 33, the 5th working medium pump, 34, linear Fresnel speculum, 35, the spectroscope of plated film, 36, quartz glass sleeve, 37, solid
Frequency divider, 38, reflector, 39, photovoltaic cell, 40, radiated rib, a, jacket water waste heat recovery subsystem, b, high temperature circulation system
System, c, low-temperature circulating system, d, stainless steel pipes, e, heat pump cycle heat supply/for refrigeration subsystem, f, stainless steel pipes.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used for explaining the present invention, not
For limiting the present invention.
As shown in Figure 1, a kind of distributed cold and heat electricity closing Rankine cycle technology based on optically focused frequency division photovoltaic photo-thermal and duplex
Even Rankine cycle exhaust heat recovery power generation subsystem, optically focused frequency dividing are closed for system, including jacket water waste heat recovery subsystem a, duplex
Photovoltaic and photothermal device, heat pump cycle heat supply (cooling) subsystem e, AC/DC inverter 27, controller 28, DC/AC inverters 29,
Accumulator 30.
Jacket water waste heat recovery subsystem a is by oil-electric engine group 1, the second heat exchanger 2, the second working medium pump 3 by not
Rust steel conduit is in turn connected to form the cylinder sleeve water-flow circuit of closure, and the jacket water in jacket water waste heat recovery subsystem a passes through
Second heat exchanger 2 exchanges heat with low-temperature circulating system c；Oil-electric engine in the jacket water waste heat recovery subsystem a
The high-temperature flue gas that group 1 generates imported into First Heat Exchanger 6 by stainless steel smoke feed channel and exchanges heat with high temperature circulation working medium；The cylinder
The electric power that oil-electric engine group 1 in set water waste heat recovery subsystem a generates passes through wire transmission to AC/DC inverters 27.
It includes high temperature circulation system b and low-temperature circulating system c that duplex, which closes Rankine cycle exhaust heat recovery power generation subsystem,；And height
Warm circulatory system b is led to by First Heat Exchanger 6, the first expanding machine 7, the first generator 8, the first condenser 9, the first working medium pump 10
The working medium circulation circuit that stainless steel pipes are in turn connected to form closure is crossed, cycle fluid selects water；C is by second for low-temperature circulating system
Heat exchanger 2, the first condenser 9, first flowmeter 11, first flow regulating valve 12, the second expanding machine 13, the second generator 14,
Second condenser 15, third working medium pump 16 are in turn connected to form the working medium circulation circuit of closure, circulation industrial by stainless steel pipes
Matter selects halogenated hydrocarbons, such as R123, R245fa；High temperature circulation system b and low-temperature circulating system c is coupled by the first condenser 9,
Realize that duplex closes Rankine cycle waste heat recovery.In high temperature circulation system b and low-temperature circulating system c respectively by the first expanding machine 7,
Second expanding machine 13 and the first generator 8, the second generator 14 are coaxially connected, and mechanical work is passed to generator and realized by expanding machine
Power generation, the electric power that the first generator 8, the second generator 14 generate pass through wire transmission to AC/DC inverters 27.This fact Example
In, the first expanding machine 7 and the second expanding machine 13 select screw expander or positive-displacement expansion engine.
Heat pump cycle heat supply/for refrigeration subsystem e is by second flowmeter 20, second flow regulating valve 21, third condenser 22
After being connected into a channel by stainless steel pipes, and by third flowmeter 23, third flow control valve 24, Absorption Refrigerator
Group 25, by after another channel parallel connection going of stainless steel pipes series connection again with third heat exchanger 17, compressor 18, electronic
Machine 19, the 4th working medium pump 26 are in turn connected to form the working medium circulation circuit of closure, cycle fluid selection by stainless steel pipes
R123；Wherein, compressor 18 selects positive displacement compressor；Motor and the compressor 18 are coaxially connected, by motor drive
Compressor 18 works, the conversion of realization electric energy-mechanic energy-gas internal energy, and electric power can be by through DC/AC inverters needed for motor
29 transformed alternating currents provide.
Such as Fig. 3, optically focused frequency division photovoltaic photo-thermal device is by linear Fresnel speculum 34, the spectroscope 35 of plated film, quartzy glass
Glass casing 36, solid frequency divider 37, reflector 38, photovoltaic cell 39, the composition of radiated rib 40, the wherein spectroscope 35 of plated film,
Quartz glass sleeve 36, solid frequency divider 37 form the photo-thermal part of optically focused frequency division photovoltaic photo-thermal device, reflector 38, photovoltaic electric
Pond 39 and radiated rib 40 form the photovoltaic part of optically focused frequency division photovoltaic photo-thermal device.The glass outer of quartz glass sleeve 36
It is vacuum between inner layer glass, inner layer glass tube is connect with stainless steel pipes d, is inside flowed through absorbing liquid and is placed solid frequency dividing
Device 37.Absorbing liquid selects ethylene glycol or propylene glycol, the material selection of solid frequency dividerSemiconductor microcrystallite doped-glass
It is made.
Accumulator 30 is used for storing through the transformed Partial DC electricity of inverter, it is ensured that ensures stabilization in electricity shortage
Power demands；Common accumulator is lead-acid accumulator, also contemplates for ultracapacitor.
In order to preferably explain technical scheme of the present invention, below in conjunction with the course of work of the invention to the technology of the present invention
Scheme is further explained：
Natural gas burns in interior fuel engine power generation unit 1 and then the electric power generated is transported to AC/DC inverters by conducting wire
In 27, the high-temperature flue gas generated after burning is first imported by stainless steel pipes in the heating high temperature circulation system of First Heat Exchanger 6 b
Liquid refrigerant water, so that liquid refrigerant water is become gaseous high temperature and pressure working medium, gaseous state high temperature and pressure working medium is through the first expanding machine 7
Acting driving the first generator 8 power generation, the steam exhaust after acting become liquid and in the first working medium pump after the condensation of the first condenser 9
The heat exchange of First Heat Exchanger 6 is again introduced under the action of 10, to complete a high temperature circulation.The high temperature jacket water of engine exhaust
It exchanges heat by the second heat exchanger 2, the working medium for preheating low-temperature circulating, then oil-electric engine group 1 is imported by the second working medium pump 3
Complete a jacket water waste heat recovery cycle.The heat that steam exhaust discharges after the condensation of the first condenser 9 is for heating low-temperature circulating
The liquid refrigerant of system c is allowed to become gaseous state, and first flow regulating valve 12 is opened completely, and gaseous working medium fully enters the second expansion
Acting driving the second generator 14 power generation of machine 13, the steam exhaust after acting become liquid and in third after the condensation of the second condenser 15
The preheating of the second heat exchanger 2 is again introduced under the action of working medium pump 16, to complete a low-temperature circulating c；First generator 8 and
The electric power that two generators 14 generate is transported to by conducting wire in AC/DC inverters 27.
A heat exchanger can be arranged again after First Heat Exchanger 6 for system, by high-temperature flue gas after the heat exchange of First Heat Exchanger 6
The low-temperature flue gas become passes to this heat exchanger by stainless steel pipes as heat source and exchanges heat with tap water, Jin Erti
Domestic hot-water supply, an and exhaust gas processing device should be arranged at the heat exchanger exit will discharge after heat exchange and after exhaust-gas treatment
Into environment.
After the linear Fresnel reflection mirror reflecting and gathering of sunlight, first the spectroscope 35 through plated film is by some visible light and close
Infrared light (between 600nm-1100nm) reflection sets reflector 38 and carries out second of optically focused, and then photovoltaic cell 39 is made to generate electricity, light
Volt battery 39 is lost because of the heat that power generation generates by the radiated rib 40 at battery back；Point of the light of remaining wave band through plated film
Light microscopic 35 focuses on quartz glass sleeve 36, and the absorbing liquid for flowing through quartz glass sleeve inner tube absorbs far red light
(between 1100nm-2500nm), the solid frequency divider for being located at quartz glass sleeve inner tube absorb ultraviolet light and some visible light
(between 280nm-600nm), the two collective effect make absorbing liquid heat up and then as heat source and heat pump cycle heat supply/cooling subsystem
Working medium in system e carries out heat exchange driving cycle.Absorbing liquid after heat exchange again flows into quartz glass sleeve through stainless steel pipes d
Inner tube flows into third heat exchanger 17 through stainless steel pipes d after heat temperature raising and exchanges heat again.
Such as Fig. 1, when sunny, the optically focused frequency division photovoltaic photo-thermal device for being installed on building roof receives the sun
Light makes absorbing liquid heat up by dividing method absorbs part sunlight, and high temperature absorbing liquid passes through stainless steel as heat source
Pipeline d enters third heat exchanger 17 and heat pump cycle heat supply/exchange heat for the liquid refrigerant of refrigeration subsystem e, is allowed to become gaseous state,
Gaseous working medium through compressor 18 acting become high-temperature high-pressure state enter third condenser 22 be condensed into liquid and release heat with
Room air heat exchange achievees the effect that heating, or enters 25 driving equipment of absorption refrigeration unit as heat source and reach refrigeration
Effect.The working medium for being condensed into liquid is again introduced into third heat exchanger 17 under the action of the 4th working medium pump 26, completes a heat pump
Circulation heating/for refrigeration subsystem e, second flow regulating valve 21 is adjusted in user and third flow control valve 24 realize refrigerating capacity and
The adjusting of heating capacity, generates extra heat or cold can be stored by corresponding energy-storage system makes for other seasons
With, such as across season underground heat reservoir, ice storage technology etc..
The direct current generated by AC/DC inverters 27 and optically focused frequency division photovoltaic photo-thermal device photovoltaic part 5 is defeated by conducting wire
It is sent to controller 28.
As shown in Fig. 2, when sunlight deficiency, optically focused frequency division photovoltaic photo-thermal device can not work normally；It is cold first
9 exit of condenser is sequentially connected the 4th flowmeter 31, the 4th flow control valve 32, third heat exchanger by stainless steel pipes f
17, the arrival end of the 5th working medium pump 33 and the second condenser 15；At this point, opening and adjusting the 4th flow control valve 32 and first-class
The working medium of the heated vaporizations of part low-temperature circulating system c is introduced into third heat exchanger 17 and drives heat pump as heat source by adjustable valve 12
Circulation heating/realize refrigeration for refrigeration subsystem e and heat；Working medium after the heat exchange of third heat exchanger 17 is in the 5th working medium pump 33
15 inlet of the second condenser is returned under effect to mix with the working medium in remaining low-temperature circulating system c, enters back into the second condenser
15 are condensed.Adjust the tune of second flow regulating valve 20 and third flow control valve 23 equally achievable refrigerating capacity and heating capacity
Section, the waste heat or cold of generation can equally be stored by energy-storage system to be used for other seasons.
The controller 27 will come from AC/DC inverters 27 and optically focused frequency division photovoltaic photo-thermal device photovoltaic part 5 generates
Direct current, a part stored by accumulator 30, another part is output to next link；It is transported to the straight of next link
A galvanic electricity part is directly fed to DC load, and another part is converted to alternating current supply exchange by DC/AC inverters 29 and bears
It carries.
When the electricity of generation is sufficient and workload demand is not high, system charges to accumulator 30, conversely, in peak of power consumption
When, accumulator 30 discharges direct current, and part supplies DC load, partly supplies AC load after the conversion of DC/AC inverters 29.
The charge and discharge process regulation and control of accumulator are realized by controller 28.
Above example is merely to illustrate the design philosophy and feature of the present invention, and its object is to make technology in the art
Personnel can understand the content of the present invention and implement it accordingly, and protection scope of the present invention is not limited to the above embodiments.So it is all according to
According to equivalent variations or modification made by disclosed principle, mentality of designing, within protection scope of the present invention.
Claims (9)
1. a kind of distributed cold and heat being closed Rankine cycle technology based on optically focused frequency division photovoltaic photo-thermal and duplex is electrically connected for system, special
Sign is, including jacket water waste heat recovery subsystem a, duplex close Rankine cycle exhaust heat recovery power generation subsystem, optically focused divides light
Lie prostrate photo-thermal device, heat pump cycle heat supply/for refrigeration subsystem e, AC/DC inverter (27), controller (28), DC/AC inverters
(29), accumulator (30)；
The jacket water waste heat recovery subsystem a is by oil-electric engine group (1), the second heat exchanger (2), the second working medium pump (3)
The cylinder sleeve water-flow circuit to form closure, second heat exchanger (2) and low-temperature circulating system (c) are connected by stainless steel pipes
Coupling；The oil-electric engine group (1) connects AC/DC inverters (27) by conducting wire；
It includes high temperature circulation system (b) and low-temperature circulating system (c) that the duplex, which closes Rankine cycle exhaust heat recovery power generation subsystem,；
The high temperature circulation system (b) by First Heat Exchanger (6), the first expanding machine (7), the first generator (8), the first condenser (9),
First working medium pump (10) connects the working medium circulation circuit to form closure by stainless steel pipes；The low-temperature circulating system (c) by
Second heat exchanger (2), the first condenser (9), first flow regulating valve (12), first flowmeter (11), the second expanding machine (13),
Second generator (14), the second condenser (15), third working medium pump (16) connect the working medium to form closure by stainless steel pipes
Circulation loop, high temperature circulation system (b) and low-temperature circulating system (c) are coupled by the first condenser (9)；First generator
(8) and the second generator (14) is transmitted to AC/DC inverters (27) by conducting wire；
The heat pump cycle is for thermal sub-system (e) by second flow regulating valve (21), second flowmeter (20), third condenser
(22) after being connected into a channel by stainless steel pipes, with by third flow control valve (24), third flowmeter (23), absorb
Formula refrigeration unit (25) by after another channel parallel connection going of stainless steel pipes series connection again with third heat exchanger (17), press
Contracting machine (18), motor (19), the 4th working medium pump (26) connect the working medium circulation circuit to form closure by stainless steel pipes,
The optically focused frequency division photovoltaic photo-thermal device is made of photovoltaic part (5) and photo-thermal part (4).The photo-thermal part (4) is even
Connect third heat exchanger (17), photovoltaic part (5) the connection controller (28).
2. a kind of distribution for closing Rankine cycle technology based on optically focused frequency division photovoltaic photo-thermal and duplex according to claim 1
It is cold and hot to be electrically connected for system, which is characterized in that the cycle fluid in high temperature circulation system (b) working medium circulation circuit selects water.
3. a kind of distribution for closing Rankine cycle technology based on optically focused frequency division photovoltaic photo-thermal and duplex according to claim 1
It is cold and hot to be electrically connected for system, which is characterized in that the cycle fluid selection in low-temperature circulating system (c) working medium circulation circuit is halogenated
Hydrocarbon.
4. a kind of distribution for closing Rankine cycle technology based on optically focused frequency division photovoltaic photo-thermal and duplex according to claim 1
It is cold and hot to be electrically connected for system, which is characterized in that the heat pump cycle heat supply/for the cycle in refrigeration subsystem (e) working medium circulation circuit
Working medium selects halogenated hydrocarbons.
5. a kind of distribution for closing Rankine cycle technology based on optically focused frequency division photovoltaic photo-thermal and duplex according to claim 1
It is cold and hot to be electrically connected for system, which is characterized in that the photo-thermal part (4) is above the spectroscope (35) of plated film equipped with the double-deck quartz
Glass bushing (35), the intermediate double-deck quartz glass sleeve (35) is vacuum section, equipped with solid in internal layer quartz glass tube (35)
Body frequency divider (37) is equipped with absorbing liquid in the internal layer quartz glass tube (35)；The internal layer quartz glass tube (35) is not by
Rust steel conduit is connect with third heat exchanger (17).
6. a kind of distribution for closing Rankine cycle technology based on optically focused frequency division photovoltaic photo-thermal and duplex according to claim 5
It is cold and hot to be electrically connected for system, which is characterized in that the absorbing liquid selection ethylene glycol in the internal layer quartz glass tube (35) or propylene glycol.
7. a kind of distribution for closing Rankine cycle technology based on optically focused frequency division photovoltaic photo-thermal and duplex according to claim 1
It is cold and hot to be electrically connected for system, which is characterized in that the material selection of the solid frequency divider (37)Semiconductor microcrystallite adulterates
Glass.
8. a kind of distribution for closing Rankine cycle technology based on optically focused frequency division photovoltaic photo-thermal and duplex according to claim 1
It is cold and hot to be electrically connected for system, which is characterized in that the photovoltaic part (5) be reflector (38) bottom be equipped with photovoltaic cell (39) with
And photovoltaic cell (39) bottom is equipped with radiated rib (40), the photovoltaic part (5) is transmitted to controller (28) by conducting wire.
9. a kind of distribution for closing Rankine cycle technology based on optically focused frequency division photovoltaic photo-thermal and duplex according to claim 1
It is cold and hot to be electrically connected for system, which is characterized in that the controller (28) will come from AC/DC inverters (27) and photovoltaic part
A direct current part passes to accumulator (30) and stores, and another part supplies DC load, and another part is inverse by DC/AC
Become device and be changed into alternating current, supplies AC load.
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