CN110285398A - The novel co-generation unit of condensation photovoltaic and steam compression cycle - Google Patents
The novel co-generation unit of condensation photovoltaic and steam compression cycle Download PDFInfo
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- CN110285398A CN110285398A CN201910598048.XA CN201910598048A CN110285398A CN 110285398 A CN110285398 A CN 110285398A CN 201910598048 A CN201910598048 A CN 201910598048A CN 110285398 A CN110285398 A CN 110285398A
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- generation unit
- heat exchanger
- way valve
- boiler
- condensation photovoltaic
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- 238000009833 condensation Methods 0.000 title claims abstract description 30
- 230000005494 condensation Effects 0.000 title claims abstract description 30
- 230000006835 compression Effects 0.000 title claims abstract description 23
- 238000007906 compression Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000012530 fluid Substances 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 20
- 239000002826 coolant Substances 0.000 claims description 16
- 238000010248 power generation Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000013307 optical fiber Substances 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 21
- 239000001257 hydrogen Substances 0.000 abstract description 21
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 17
- 238000005868 electrolysis reaction Methods 0.000 abstract description 8
- 239000000446 fuel Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 230000005611 electricity Effects 0.000 abstract description 6
- 239000002803 fossil fuel Substances 0.000 abstract description 5
- 150000002431 hydrogen Chemical class 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010025 steaming Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- -1 methanol Chemical class 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
Abstract
The present invention provides the novel co-generation unit of a kind of condensation photovoltaic and steam compression cycle, belongs to the technical field of the preparation facilities of hydrogen energy source.Co-generation unit of the invention includes condensation photovoltaic CPV electricity generation system and steam compression circulating system, CPV is converted to electric energy and partial heat energy using solar energy, power output carries out electrolytic preparation hydrogen to extraneous water electrolyser, thermal energy conduction heats water to steam compression circulating system, so that the water of extraneous water electrolyser is heated up and increases electrolytic efficiency.Co-generation unit of the invention utilizes solar energy, it can be used to combine with extraneous apparatus for electrolyzing, constitute the recyclable holonomic system for preparing hydrogen, avoid introducing fossil fuel or other electric energy that from can just preparing the defect of hydrogen with electrolysis water, whole process does not generate tail gas pollution, lays the foundation especially for realization efficient and environment-friendly type hydrogen fuel cell.
Description
Technical field
The invention belongs to the technical fields of hydrogen as energy source production equipment, and in particular to a kind of novel co-generation unit.
Background technique
Currently, hydrogen is as a kind of environmentally friendly fuel, production and apply civil field popularity rate still
Lower, main problem is that the efficiency for preparing hydrogen and cost are difficult to balance, it is difficult to reach ideal business application and environmental protection balancing.
Hydrogen energy source realizes commercialization in the fuel cell field (Fuel cell " FC "), and FC technology is mainly answered at present as commercial product
For electric vehicle and house, industrial site minisize thermoelectric coproduction (m-CHP) system in.
The prior art of production hydrogen includes the reformation of fossil fuel or natural gas, and this method is based on FC in many
M-CHP product in be used.But the reformation of fossil fuel or natural gas will consumption of fossil fuels and discharge harmful pollution
Object can not fundamentally solve fossil energy crisis and protection environment.
A kind of approach there are also existing production hydrogen is electrolysis water or simple hydrocarbon, such as methanol, the electrolysis of water
It is more favourable, because it is not related to discharging harmful pollution, such as carbon dioxide.Realize electrolysis requirement be with it is pure electricity, it is pure heat or
The form input energy that the two combines.The situation of pure heat is needed commonly known as to be pyrolyzed, however, such case is seldom in practice
It uses, because temperature needed for reaching this effect is usually more than 2300K.The method for needing pure electricity is that existing application is relatively more
, usually it is electrolysed using high-voltage electricity.However, hindering existing electrolytic hydrogen production method widespread commercial on hydrogen fuel cell
Main problem be electrolyzer power source demand, and input power must be provided by another form of power generation, so
Can not be formed it is a set of can efficient circulation production hydrogen as energy source system, apply on hydrogen fuel cell and still to need to convert fossil combustion
Material cannot achieve the environmentally friendly purpose of zero exhaust emissions to provide the power supply of electrolysis water.
Summary of the invention
To solve the deficiencies in the prior art referred in aforementioned background art, the present invention provides a kind of novel thermoelectricity connection
Production system, the system are able to carry out self power generation and heat to water, can be used for that External electrolytic slot is cooperated to electrolyze the water
To obtain hydrogen, and has the advantages that the emission-free pollution of self-loopa generating and heating, high-efficiency environment friendly.
Technical solution provided by the invention is as follows:
A kind of novel co-generation unit of condensation photovoltaic and steam compression cycle, including concentrating photovoltaic power generation device and steaming
Vapour pressure contracting circulator；Concentrating photovoltaic power generation device includes condensation photovoltaic panel；Steam compression cycle device includes steam circulation
Path and boiler；Steam circulation inside track has coolant liquid；Steam circulation path includes heat absorbing end and release end of heat, steam circulation
The heat absorbing end connection condensation photovoltaic panel in path carries out heat exchange, and release end of heat connects boiler and carries out heat exchange；The boiler
Including inlet and outlet.
Energy transfer process in the system are as follows: condensation photovoltaic panel receives solar energy, to concentrating photovoltaic power generation device
Outside output electric energy, exports thermal energy to steam compression cycle device；Steam compression cycle device be connected to condensation photovoltaic panel to
Position except positive side；Coolant liquid in steam circulation path receives thermal energy from condensation photovoltaic panel, then arrives thermal energy conduction
Release is exchanged with boiler junction, returns and continues to thermal energy at the heat absorbing end in steam circulation path.
Further, concentrating photovoltaic power generation device further includes hub, and hub is the component for summarizing optical fiber, even
It connects in the day side of condensation photovoltaic panel, hub is for concentrating extraneous sunlight to be input to condensation photovoltaic panel.
Further, steam circulation path includes fluid heat exchanger, compressor, heat exchanger, air radiator, extension
Device, the first three-way valve and the second three-way valve；Fluid heat exchanger is connect with condensation photovoltaic panel, receives condensation photovoltaic panel
Thermal energy；Compressor one end connecting fluid heat exchanger, the other end connect the first port of the second three-way valve；Second triple valve
Second port, the third port of door are separately connected heat exchanger, air radiator；Heat exchanger is connect with boiler, defeated to boiler
Thermal energy out；Second port, the third port of first three-way valve are separately connected heat exchanger, air radiator, third port connection
Wherein one end of expander；The other end connecting fluid heat exchanger of expander.
Preferably, steam compression cycle device further includes thermal management controller, and thermal management controller is with temperature sensing
The electronic equipment of device, control switch and microprocessor, temperature sensor are set at boiler, and control switch is respectively arranged at
Two and second at three-way valve；Microprocessor is electrically connected with temperature sensor, control switch respectively.
Preferably, air radiator is fan-cooled radiator.
Further, the specific circulating path of the coolant liquid in steam circulation path is followed successively by fluid heat exchanger, compression
Machine, the second three-way valve, air radiator or heat exchanger, the first three-way valve, expander, fluid heat exchanger.
Further, boiler is made of heat-barrier material, and boiler further includes hot water outlet.
Compared with prior art, the novel co-generation unit of condensation photovoltaic of the invention and steam compression cycle, has
Beneficial effect is: condensation photovoltaic panel CPV is an existing efficient generation technology, and cooperation is using inexpensive hub
Multiple and different spectral regions can be captured, whole spectrum of sunlight is efficiently utilized, improves photovoltaic cell in unit
The quantity that can be placed on area, to bring possibility for realization device miniaturization.Steam circulation path is as active cooling
System, by the thermal energy conduction generated in concentrating photovoltaic power generation device power generation process to elsewhere, avoiding CPV panel temperature mistake
The problem of CPV cell power generation efficiency caused by height sharply declines, the irreversible damage for also protecting CPV panel to generate by high temperature.
Existing Active Cooling System or too simple and low efficiency precision difference or apparatus structure excessively complexity cannot achieve small
Type.The thermal energy that steam circulation path generates concentrating photovoltaic power generation device is transmitted to heat by coolant liquid in circulating path
In water tank, the water in boiler is heated, External electrolytic slot is flow to again after the water heating in boiler, can be used for mentioning
High water electrolysis process generates the electrolytic efficiency of hydrogen, returns to after coolant liquid heat release extension and carries out next round at condensation photovoltaic panel
Compress refrigeration cycle.Simultaneously because the structure of device is simple and compressor, expander, heat exchanger etc. are all small-sized components,
Cooperate condensation photovoltaic electrification CPV die device and external water electrolyser, under the driving of sunlight, may be implemented one it is renewable from following
The others small cogeneration systems such as hydrogen fuel cell of ring and zero exhaust emissions CHP.
Detailed description of the invention
Fig. 1 is the system structure diagram of one of embodiment of the present invention；
Fig. 2 be Fig. 1 in embodiment electricity, thermally and chemically can energy transition diagram；
Fig. 3 is the control algolithm flow chart of the thermal management controller of embodiment in Fig. 1.
Specific embodiment
For the principle that the present invention is further explained and system structure and the course of work, now in conjunction with the content of Figure of description
One such embodiment is specifically described.
One of embodiment such as Fig. 1 of a kind of condensation photovoltaic and the novel co-generation unit of steam compression cycle is extremely
Shown in 3.
As shown in Figure 1, the co-generation unit of the embodiment includes that concentrating photovoltaic power generation device and both vapor compression are followed
Loop device.Concentrating photovoltaic power generation device includes condensation photovoltaic CPV panel, the hub to collect optical fiber.Vapour pressure
It include fluid heat exchanger, compressor, three-way valve V2, air-cooled air radiator, heat exchanger, threeway in contracting circulator
Valve V1, expander, the thermal management controller with thermometer and control switch and microprocessor, the heat made of heat-barrier material
Water tank.Fluid heat exchanger, compressor, three-way valve V2, air-cooled air radiator, heat exchanger, three-way valve V1, extension
Device constitutes the steam circulation path of steam compression cycle device, relies on coolant liquid to conduct heat in entire steam circulation path
Energy；Wherein air radiator, heat exchanger, three-way valve V1, expander constitute the release end of heat in steam circulation path, and fluid thermal is handed over
Parallel operation, compressor, three-way valve V2 constitute the heat absorbing end in steam circulation path；Thermal management controller constitutes steam circulation road
The console in thermal energy conduction path in diameter.Boiler also has water inlet, hot water outlet and electrolysis water out.
Present embodiment structural principle, energy transfer paths shown in Fig. 2 and thermal energy control shown in Fig. 3 as shown in Figure 1
Algorithm flow processed, wherein the power inverter of Fig. 2 refers to the various heat exchanges in CPV panel above-mentioned and steam circulating device
Component.
The day side of condensation photovoltaic CPV panel is connected with hub, and sunlight is irradiated to optically focused light by hub convergence
The battery in CPV panel is lied prostrate, solar energy conversion is produced electricl energy into P by solar batterypv, then by electric energy PpvBe output to compressor,
Expander, external water electrolyser, while extra power output to external electrical network, the thermal energy of generation can also be then transmitted to steaming
Vapour pressure contracting circulator.Position of the condensation photovoltaic CPV panel except day side is connected with fluid heat exchanger, and CPV panel produces
Raw thermal energy enters the coolant liquid in steam compression cycle device here.One end connect compressor of fluid heat exchanger, it is cold
But liquid is obtained in fluid heat exchanger enters compressor after the thermal energy that the conduction of CPV panel comes.Compressor receives CPV panel electric energy
Power supply WcIt works, compressor is also connected with the first port of three-way valve V2, and coolant liquid is further pressed in compressor
Contracting is promoted after thermal energy through three-way valve V2, under the control of thermal management controller, selective flow to air radiator or is changed
Hot device.Second and the third port of three-way valve V2 is separately connected air radiator, heat exchanger.Air radiator is by extra thermal energy
QambIt is radiated in air.Heat exchanger is connect with boiler, by the thermal energy exchange carried in coolant liquid into boiler, from hot water
The water of case water inlet input heats up by heat exchange, and hot water is output to external water electrolyser from electrolysis water out again by boiler
It is electrolysed out hydrogen, is output to external user hot water terminal from hot water outlet by hot water.Second and the third port of three-way valve V1
It is separately connected air radiator or heat exchanger, first port connects expander, and coolant liquid passes through heat exchanger and three-way valve V1
Afterwards, further decompression discharges thermal energy in expander.The other end of expander is connect with fluid heat exchanger, and coolant liquid is extended
Device is transported to fluid heat exchanger and carries out next circulation.
The thermometer design of thermal management controller is at boiler.Control switch is respectively arranged at three-way valve V1, V2,
It can control three respective folding conditions in port of three-way valve V1, V2.The microprocessor of thermal management controller is built-in with control
The program of algorithm.As shown in figure 3, the temperature at boiler is represented as Tw, a temperature upper limit valve is set in control algolithm
Value is Th, being also set with a lowest temperature threshold values is Tl.When beginning, thermometer reads the water temperature T in boilerw, by micro- place
Manage the threshold temperature T of device and settinghWith TlIt is compared, works as TwLower than Tl, control switch make three-way valve V1 and V2 close cooling
Channel of the liquid stream through air radiator is all taken heat to heat exchanger by coolant liquid and is swapped to the water in boiler；
Continuing the water in heat hot water case, so that TwGreater than TlAnd it is less than ThWhen, control switch makes three-way valve V1 and V2 keep current
Channel；Work as TwHigher than ThWhen, then control switch makes three-way valve V1 and V2 close the path that coolant liquid flows through heat exchanger, makes to cool down
Liquid is at air radiator by excessive thermal energy radiation into air；Finally work as TwNumerical value return to greater than TlAnd it is less than ThWhen, after
It is continuous remain turned-off coolant liquid flow through the path of heat exchanger and only by the channel of air radiator.
Present embodiment compares existing co-generation unit, has abandoned traditional fossil fuel power and has mentioned for water electrolyser
Power supply source, the mode heated for water of generating heat, uses efficient condensation photovoltaic CPV panel instead and is generated electricity and heated, that is, avoid
Tail gas pollution also constitutes the co-generation unit of a self-loopa.Hub is applied on CPV panel, can be captured multiple
Different spectral regions efficiently utilizes whole spectrum of sunlight, and improving photovoltaic cell can put on unit area
The quantity set, and then to realize that the miniaturization of power generating and heating device brings basis.Steam compression cycle device makes full use of the face CPV
A large amount of waste heats that plate generates, both heated the water in water phase, and prepared hydrogen for External electrolytic water and provide better reaction
Condition also also achieves simultaneously and cools down to CPV panel, avoids CPV panel temperature is excessively high generating efficiency is caused to be greatly reduced
The problem of even damaging photovoltaic cell.Steam compression cycle is better than other typical technologies, such as thermoelectric (al) cooler, because it can be mentioned
For the higher coefficient of performance, it means that energy consumption is lower.In addition, in order to further increase the power efficiency of system, it is used
Steam compression cycle also relates to the alternative path being made of air radiator and one group of switch valve to decide whether to use this
The path of component or hot water.Two different steam compression cycle paths, the circulation path of the cooperation thermal management controller to coolant liquid
Diameter is selected, and entire co-generation unit is allowed to maintain the process of an energy input output dynamic equilibrium.Due to steaming
Vapour pressure contracting circulator and optically focused light generating device can realize miniaturization, then the co-generation unit of present embodiment can
It is New Hydrogen to combine external water electrolyser to form a small-sized hydrogen-fueled system that can be carried out renewable power generation by the sun
The miniaturization of fuel cell and heating equipment brings good prospect.
Embodiment of above is one of scheme of the invention, to explain technical principle of the invention, not originally
The whole embodiments of invention.It will be apparent to those skilled in the art that on the basis of the above embodiment, it is any do not make it is prominent
Substantive specific and marked improvement equivalents out, each fall within the scope of the present invention.The protection of technical solution of the present invention
Range is defined by tbe claims.
Claims (7)
1. the novel co-generation unit of a kind of condensation photovoltaic and steam compression cycle, including concentrating photovoltaic power generation device and steam
Compress circulator, it is characterised in that: the concentrating photovoltaic power generation device includes condensation photovoltaic panel；The steam compression cycle
Device includes steam circulation path and boiler；The steam circulation inside track has coolant liquid；Steam circulation path includes inhaling
The heat absorbing end connection condensation photovoltaic panel of hot end and release end of heat, steam circulation path carries out heat exchange, and release end of heat connects boiler
Carry out heat exchange；The boiler includes inlet and outlet.
2. co-generation unit according to claim 1, which is characterized in that the concentrating photovoltaic power generation device further includes collection
Line device, the hub are the component for summarizing optical fiber, are connected to the day side of condensation photovoltaic panel, concentrate the extraneous sun
Light is input to condensation photovoltaic panel.
3. co-generation unit according to claim 2, it is characterised in that: the steam circulation path includes that fluid thermal is handed over
Parallel operation, compressor, heat exchanger, air radiator, expander, the first three-way valve and the second three-way valve；The fluid thermal is handed over
Parallel operation is connect with condensation photovoltaic panel, receives the thermal energy of condensation photovoltaic panel；Compressor one end connecting fluid heat exchanger,
The other end connects the first port of the second three-way valve；Second port, the third port of second three-way valve are separately connected
Heat exchanger, air radiator；The heat exchanger is connect with boiler, exports thermal energy to boiler；First three-way valve
Second port, third port are separately connected heat exchanger, air radiator, and third port connects wherein one end of expander；It is described
The other end connecting fluid heat exchanger of expander.
4. co-generation unit according to claim 3, which is characterized in that the steam compression cycle device further includes heat
Management Controller, the thermal management controller is the electronic equipment with temperature sensor, control switch and microprocessor, described
Temperature sensor is set at boiler, and control switch is respectively arranged at the second and second three-way valve；Microprocessor difference
It is electrically connected with temperature sensor, control switch.
5. co-generation unit according to claim 3, which is characterized in that the air radiator is air-cooled heat dissipation
Device.
6. co-generation unit according to claim 4 or 5, which is characterized in that the cooling in the steam circulation path
The specific circulating path of liquid be followed successively by fluid heat exchanger, compressor, the second three-way valve, air radiator or heat exchanger,
First three-way valve, expander, fluid heat exchanger.
7. co-generation unit according to claim 6, which is characterized in that the boiler is made of heat-barrier material, institute
Stating boiler further includes hot water outlet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910598048.XA CN110285398A (en) | 2019-07-04 | 2019-07-04 | The novel co-generation unit of condensation photovoltaic and steam compression cycle |
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| CN201910598048.XA CN110285398A (en) | 2019-07-04 | 2019-07-04 | The novel co-generation unit of condensation photovoltaic and steam compression cycle |
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| CN110285398A true CN110285398A (en) | 2019-09-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623608A (en) * | 2022-03-18 | 2022-06-14 | 成都理工大学 | Concentrating photovoltaic thermal system for poly-generation |
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| CN101614451A (en) * | 2009-06-23 | 2009-12-30 | 王言明 | Heat pump type air conditioning system and heat recovery system |
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Application publication date: 20190927 |
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